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Note: This page contains sample records for the topic "dehumidifiers dishwasher furnaces" from the National Library of EnergyBeta (NLEBeta).
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1

Building Technologies Office: Residential Dishwashers, Dehumidifiers, and  

NLE Websites -- All DOE Office Websites (Extended Search)

Residential Residential Dishwashers, Dehumidifiers, and Cooking Products, and Commercial Clothes Washers ANOPR Public Meeting to someone by E-mail Share Building Technologies Office: Residential Dishwashers, Dehumidifiers, and Cooking Products, and Commercial Clothes Washers ANOPR Public Meeting on Facebook Tweet about Building Technologies Office: Residential Dishwashers, Dehumidifiers, and Cooking Products, and Commercial Clothes Washers ANOPR Public Meeting on Twitter Bookmark Building Technologies Office: Residential Dishwashers, Dehumidifiers, and Cooking Products, and Commercial Clothes Washers ANOPR Public Meeting on Google Bookmark Building Technologies Office: Residential Dishwashers, Dehumidifiers, and Cooking Products, and Commercial Clothes Washers ANOPR

2

List of Dehumidifiers Incentives | Open Energy Information  

Open Energy Info (EERE)

Dehumidifiers Incentives Dehumidifiers Incentives Jump to: navigation, search The following contains the list of 159 Dehumidifiers Incentives. CSV (rows 1 - 159) Incentive Incentive Type Place Applicable Sector Eligible Technologies Active AEP Ohio (Gas) - Residential Energy Efficiency Rebate Program (Ohio) Utility Rebate Program Ohio Residential Building Insulation Ceiling Fan Central Air conditioners Custom/Others pending approval Dehumidifiers Duct/Air sealing Heat pumps Lighting Motors Programmable Thermostats Windows Yes Alexandria Light and Power - Residential Energy Efficiency Rebate Program (Minnesota) Utility Rebate Program Minnesota Residential Central Air conditioners Clothes Washers Dehumidifiers Dishwasher Energy Mgmt. Systems/Building Controls Heat pumps Lighting

3

Dishwasher | OpenEI  

Open Energy Info (EERE)

Dishwasher Dishwasher Dataset Summary Description The following data-set is for a benchmark residential home for all TMY3 locations across all utilities in the US. The data is indexed by utility service provider which is described by its "unique" EIA ID ( Source National Renewable Energy Laboratory Date Released April 05th, 2012 (2 years ago) Date Updated April 06th, 2012 (2 years ago) Keywords AC apartment CFL coffeemaker Computer cooling cost demand Dishwasher Dryer Furnace gas HVAC Incandescent Laptop load Microwave model NREL Residential television tmy3 URDB Data text/csv icon Residential Cost Data for Common Household Items (csv, 14.5 MiB) Quality Metrics Level of Review Some Review Comment Temporal and Spatial Coverage Frequency Annually Time Period License License Open Data Commons Public Domain Dedication and Licence (PDDL)

4

List of Dishwasher Incentives | Open Energy Information  

Open Energy Info (EERE)

Dishwasher Incentives Dishwasher Incentives Jump to: navigation, search The following contains the list of 364 Dishwasher Incentives. CSV (rows 1 - 364) Incentive Incentive Type Place Applicable Sector Eligible Technologies Active Agricultural Energy Efficiency Program (New York) State Rebate Program New York Agricultural Agricultural Equipment Boilers Chillers Custom/Others pending approval Dishwasher Furnaces Heat pumps Heat recovery Lighting Lighting Controls/Sensors Motor VFDs Motors Water Heaters Commercial Cooking Equipment Commercial Refrigeration Equipment Food Service Equipment Yes Alabama - Residential Energy-Efficient Appliance Rebate Program (Alabama) State Rebate Program Alabama Residential Clothes Washers Dishwasher Refrigerators No Alaska - Residential Energy-Efficient Appliance Rebate Program (Alaska) State Rebate Program Alaska Residential Clothes Washers

5

Dishwasher | Open Energy Information  

Open Energy Info (EERE)

Community Login | Sign Up Search Page Edit History Facebook icon Twitter icon Dishwasher Jump to: navigation, search TODO: Add description List of Dishwasher Incentives...

6

Energy saving dishwasher  

SciTech Connect

A control circuit for a dishwashing machine to economize its energy consumption and usage is described. In order to conserve energy, the dishwashing machine has a control system for automatically actuating the components such as the heating elements of the dishwashing machine.

Helwig, W.F.

1981-03-10T23:59:59.000Z

7

Water-heating dehumidifier  

DOE Patents (OSTI)

A water-heating dehumidifier includes a refrigerant loop including a compressor, at least one condenser, an expansion device and an evaporator including an evaporator fan. The condenser includes a water inlet and a water outlet for flowing water therethrough or proximate thereto, or is affixed to the tank or immersed into the tank to effect water heating without flowing water. The immersed condenser design includes a self-insulated capillary tube expansion device for simplicity and high efficiency. In a water heating mode air is drawn by the evaporator fan across the evaporator to produce cooled and dehumidified air and heat taken from the air is absorbed by the refrigerant at the evaporator and is pumped to the condenser, where water is heated. When the tank of water heater is full of hot water or a humidistat set point is reached, the water-heating dehumidifier can switch to run as a dehumidifier.

Tomlinson, John J. (Knoxville, TN)

2006-04-18T23:59:59.000Z

8

Apartment and Condo New Construction Efficiency Services | Open...  

Open Energy Info (EERE)

Insulation, Central Air conditioners, Clothes Washers, Dehumidifiers, Dishwasher, Energy Mgmt. SystemsBuilding Controls, Equipment Insulation, Furnaces, Heat pumps, Heat...

9

Duquesne Light Company - Residential Energy Efficiency Program...  

Open Energy Info (EERE)

Central Air conditioners, Clothes Washers, Dehumidifiers, Dishwasher, Furnaces, Heat pumps, Lighting, Lighting ControlsSensors, Pool Pumps, Programmable Thermostats,...

10

Energy saving dishwashing method with heater control  

SciTech Connect

A control circuit for a dishwashing machine to economize its energy consumption and usage. In order to conserve energy, the dishwashing machine has a control system for automatically actuating the components such as the heating elements of the dishwashing machine.

Helwig, W.F.

1982-05-25T23:59:59.000Z

11

Performance optimization of rotary dehumidifiers  

SciTech Connect

A rotary dehumidifier consists of a rotating porous matrix made of a desiccant with mechanically supporting materials. The dehumidification performance of a rotary dehumidifier wheel depends on its rotational speed, the sorption properties of the desiccant, the heat and mass transfer characteristics of the matrix, and the size of the dehumidifier. The effect of the rotational speed on the dehumidification performance of a rotary dehumidifier has been investigated by Zheng, Worek, and Novosel (1993). this paper extends that previous work and investigates the effects of desiccant sorption properties, the heat and mass transfer characteristics, and the size of the rotary dehumidifier on the dehumidification performance. The results show that the using desiccant materials in a rotary dehumidifier with different adsorption characteristics results in a wide variation in dehumidification performance. However, the maximum performance of a rotary dehumidifier occurs for a desiccant material having an isotherm shape that can be characterized to have a separation factor of 0.07. Also, as the desiccant moisture uptake increases, the dehumidifier performance also increases. However, the performance improvement for a desiccant matrix having a maximum moisture uptake of larger than 0.25 by weight is not significant. The heat and mass transfer properties and the size of rotary dehumidifier are characterized by the number of transfer units NTU. Generally, the larger the NTU, the better dehumidification performance. However, similar to the maximum moisture uptake, when the NTU is larger than 12, the performance will not improve significantly. Also, the dehumidifier with the most favorable adsorption characteristic has a slower rotational speed, which results in lower power requirements to rotate the desiccant wheel and smaller carry-over losses.

Zheng, W.; Worek, W.M. [Univ. of Chicago, IL (United States). Dept. of Mechanical Engineering; Novosel, D. [Gas Research Inst., Chicago, IL (United States)

1995-02-01T23:59:59.000Z

12

Solar powered dehumidifier apparatus  

SciTech Connect

A thermally insulated light transmitting housing forms a chamber containing a desiccant and having a first gas port open to the ambient and a second gas port connected by a two way valve to a volume to be dried. Solar energy transmitted through the housing heats and dries the desiccant. The increased air pressure due to the heating of the volume to be dried causes the air from the volume to be expelled through the valve into the chamber. The desiccant is then cooled by shielding it from solar energy before the volume cools thereby increasing its moisture absorbing capacity. Then the volume is allowed to cool drawing dehumidified air through the desiccant and the valve into the volume to be dried. This cycle is then repeated.

Jebens, Robert W. (Skillman, NJ)

1980-12-30T23:59:59.000Z

13

Dishwasher: 1; Human: 0 | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Dishwasher: 1; Human: 0 Dishwasher: 1; Human: 0 Dishwasher: 1; Human: 0 December 21, 2009 - 10:58am Addthis Amy Foster Parish My dishwasher and I have been locked in mortal combat for almost a month now, ever since it decided to quit working at nearly the same moment I decided to start washing the Thanksgiving dinner dishes. Over the past week it has started to look as if the dishwasher may have won the battle. And so, while I've been contemplating washing all those Christmas dishes by hand this year, I've also been shopping for a new energy-efficient dishwasher to replace my old one. As someone who's planning on buying a new appliance in the near future, I've been really excited about the possibility of taking advantage of new state rebates for the purchase of ENERGY STAR® qualified appliances.

14

City of Palo Alto Utilities - Commercial Energy Efficiency Rebate...  

Open Energy Info (EERE)

MeasuresWhole Building, CustomOthers pending approval, Dehumidifiers, Dishwasher, Energy Mgmt. SystemsBuilding Controls, Equipment Insulation, Furnaces, Heat pumps,...

15

Georgia Environmental Finance Authority - Residential Energy...  

Open Energy Info (EERE)

Air conditioners, Clothes Washers, Dehumidifiers, Dishwasher, Doors, DuctAir sealing, Energy Mgmt. SystemsBuilding Controls, Furnaces, Heat pumps, Refrigerators, Water...

16

City of Plano - Smart Energy Loan Program (Texas) | Open Energy...  

Open Energy Info (EERE)

Washers, CustomOthers pending approval, Dehumidifiers, Dishwasher, DuctAir sealing, Energy Mgmt. SystemsBuilding Controls, Furnaces, Heat pumps, Lighting, Programmable...

17

Renewable Energy and Energy Efficiency Project Financing (Illinois...  

Open Energy Info (EERE)

MeasuresWhole Building, CustomOthers pending approval, Dehumidifiers, Dishwasher, Energy Mgmt. SystemsBuilding Controls, Furnaces, Heat pumps, Lighting, Lighting Controls...

18

Energy Loan Fund | Open Energy Information  

Open Energy Info (EERE)

Chillers, Clothes Washers, CustomOthers pending approval, Dehumidifiers, Dishwasher, Energy Mgmt. SystemsBuilding Controls, Furnaces, Heat pumps, Lighting, Lighting Controls...

19

Cedar Falls Utilities - Commercial Energy Efficiency Rebate Program...  

Open Energy Info (EERE)

Clothes Washers, Compressed air, Dehumidifiers, Dishwasher, DuctAir sealing, Energy Mgmt. SystemsBuilding Controls, Furnaces, Heat pumps, Lighting, Lighting Controls...

20

Dehumidifying Heat Pipes | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Dehumidifying Heat Pipes Dehumidifying Heat Pipes Dehumidifying Heat Pipes June 24, 2012 - 4:32pm Addthis In order to make a room comfortable in hot, humid climates, an air conditioner must lower the indoor humidity level as well as the air temperature. If an air conditioner fails to lower the humidity adequately, the air will be cool, but will feel uncomfortably damp. Inappropriately sized air conditioners are prone to this problem; large units quickly cool the air, but cycle off before they can properly dehumidify it. In extremely humid climates, even correctly sized air conditioning equipment could fail to maintain a home at a comfortable humidity level. One technology that addresses this problem is the dehumidifying heat pipe, a device that enables an air conditioner to dehumidify better and still

Note: This page contains sample records for the topic "dehumidifiers dishwasher furnaces" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


21

Experimental Results on Advanced Rotary Desiccant Dehumidifiers  

E-Print Network (OSTI)

The Solar Energy Research Institute (SERI) has developed the Cyclic Test Facility (CTF) to develop and validate analytical methods for evaluating and predicting the performance of advanced rotary dehumidifiers. This paper describes the CTF, the dehumidifiers tested at the CTF, and the analytical methods used. The results reported provide an engineering data base and a design tool for evaluating rotary dehumidifiers for desiccant cooling applications.

Barathan, D.; Parsons, J. M.; MaClaine-Cross, I.

1986-01-01T23:59:59.000Z

22

Experimental results on advanced rotary desiccant dehumidifiers  

DOE Green Energy (OSTI)

The Solar Energy Research Institute (SERI) has developed the Cyclic Test Facility (CTF) to develop and validate analytical methods for evaluating and predicting the performance of advanced rotary dehumidifiers. This paper describes the CTF, the dehumidifiers tested at the CTF, and the analytical methods used. The results reported provide an engineering data base and a design tool for evaluating rotary dehumidifiers for desiccant cooling applications.

Bharathan, D.; Parsons, J.; Maclaine-cross, I.

1986-08-01T23:59:59.000Z

23

Water-heating dehumidifier - Energy Innovation Portal  

A water-heating dehumidifier includes a refrigerant loop including a compressor, at least one condenser, an expansion device and an evaporator including an evaporator ...

24

Laboratory Performance Testing of Residential Dehumidifiers  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Laboratory Performance Laboratory Performance Testing of Residential Dehumidifiers Building America Stakeholders Meeting Jon Winkler March 2, 2012 2 Motivation * Solution: Performance map across a variety of operating conditions Dehumidifier Manufacturer Data ( ) in in RH T f e Performanc , = 80 F 60% RH Normalized Energy Factor Entering Drybulb Temperature (°C) Simulation Tool Input ? 3 ENERGY STAR Efficiency Criteria 1 2 3 4 0 30 60 90 120 150 Energy Factor (L/kWh) Dehumidifier Capacity (pints/day) ENERGY STAR v2.0 Efficiency Criteria Dehumidifiers Tested ENERGY STAR Products Non ENERGY STAR Products v3.0 Criteria 4 NREL Technical Report Laboratory Test Report for Six ENERGY STAR® Dehumidifiers Jon Winkler, Dane Christensen, and Jeff Tomerlin NREL/TP-5500-52791 December 2011

25

Dehumidifying Air for Cooling & Refrigeration: Nanotechnology Membrane-based Dehumidifier  

SciTech Connect

Broad Funding Opportunity Announcement Project: Dais is developing a product called NanoAir which dehumidifies the air entering a building to make air conditioning more energy efficient. The system uses a polymer membrane that allows moisture but not air to pass through it. A vacuum behind the membrane pulls water vapor from the air, and a second set of membranes releases the water vapor outside. The membranes high selectivity translates into reduced energy consumption for dehumidification. Dais design goals for NanoAir are the use of proprietary materials and processes and industry-standard installation techniques. NanoAir is also complementary to many other energy saving strategies, including energy recovery.

None

2010-10-01T23:59:59.000Z

26

NREL Tests Dehumidifiers, Defines Simplified Simulation Model (Fact Sheet)  

Science Conference Proceedings (OSTI)

Study of residential dehumidifiers results in practical performance curves for use in whole-building simulation tools.

Not Available

2012-05-01T23:59:59.000Z

27

Furnace | OpenEI  

Open Energy Info (EERE)

Furnace Furnace Dataset Summary Description The following data-set is for a benchmark residential home for all TMY3 locations across all utilities in the US. The data is indexed by utility service provider which is described by its "unique" EIA ID ( Source National Renewable Energy Laboratory Date Released April 05th, 2012 (2 years ago) Date Updated April 06th, 2012 (2 years ago) Keywords AC apartment CFL coffeemaker Computer cooling cost demand Dishwasher Dryer Furnace gas HVAC Incandescent Laptop load Microwave model NREL Residential television tmy3 URDB Data text/csv icon Residential Cost Data for Common Household Items (csv, 14.5 MiB) Quality Metrics Level of Review Some Review Comment Temporal and Spatial Coverage Frequency Annually Time Period License License Open Data Commons Public Domain Dedication and Licence (PDDL)

28

Performance of cross-cooled desiccant dehumidifiers  

DOE Green Energy (OSTI)

A cross-cooled silica gel desiccant dehumidifier model was designed, built and tested. The performance of the unit was studied as a function of inlet process stream dew point, process stream and cooling stream flowrates and regeneration stream temperature and dew point. The tests were also simulated by a computer program and were compared to the experimental results.

Mei, V.C.; Lavan, Z.

1980-01-01T23:59:59.000Z

29

Laboratory Performance Testing of Residential Dehumidifiers (Presentation)  

SciTech Connect

Six residential vapor compression cycle dehumidifiers spanning the available range of capacities and efficiencies were tested in the National Renewable Energy Laboratory's Heating, Ventilating, and Air-Conditioning Systems Laboratory. Each was tested under a wide range of indoor air conditions to facilitate the development of performance curves for use in whole-building simulation tools.

Winkler, J.

2012-03-01T23:59:59.000Z

30

DOE Solar Decathlon: News Blog Blog Archive Run, Dishwasher...  

NLE Websites -- All DOE Office Websites (Extended Search)

Run, Dishwasher, Run Saturday, September 24, 2011 By Alexis Powers The typical college student does about two loads of laundry a week. However, the student decathletes must go...

31

DOE Energy Star Testing Reveals Inefficient ASKO Dishwasher | Department of  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Energy Star Testing Reveals Inefficient ASKO Dishwasher Energy Star Testing Reveals Inefficient ASKO Dishwasher DOE Energy Star Testing Reveals Inefficient ASKO Dishwasher June 1, 2010 - 2:07pm Addthis DOE testing in support of the Energy Star program has revealed that an ASKO dishwasher (model D5122XXLB), which the company had claimed was Energy Star compliant, consumes more energy than permitted by the Energy Star program. Test results for the ASKO model at issue show that, when tested in accordance with DOE's test procedure, it consumed 12 percent more energy than the Energy Star requirement. Based on this testing, DOE is referring ASKO Model D5122XXLB to the U.S. Environmental Protection Agency for appropriate action with respect to the Energy Star program. DOE's testing revealed that dishwasher model D5122XXLB also may not meet

32

DOE Closes Investigation of ASKO Dishwasher | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

ASKO Dishwasher ASKO Dishwasher DOE Closes Investigation of ASKO Dishwasher September 8, 2010 - 4:50pm Addthis The Department of Energy has closed its investigation into the energy efficiency of ASKO Appliance Inc.'s dishwasher model D5122XXLB. After testing this model, the Department has found the model to be compliant with federal energy conservation standards. The Notice of Compliance Determination can be found here. DOE previously referred this model, which ASKO labeled as ENERGY STAR, to the U.S. Environmental Protection Agency (EPA) based on DOE testing showing that it consumed more energy than permitted by the ENERGY STAR program requirements. EPA has since delisted this model from the ENERGY STAR program. Addthis Related Articles DOE Energy Star Testing Reveals Inefficient ASKO Dishwasher

33

Residential Dishwashers, Purchasing Specifications for Energy-Efficient Products (Fact Sheet)  

Science Conference Proceedings (OSTI)

Performance and purchasing specifications for residential dishwashers under the FEMP-designated product program.

Not Available

2010-06-01T23:59:59.000Z

34

Assessment of dehumidifier geometries for desiccant cooling systems  

DOE Green Energy (OSTI)

Five dehumidifier designs are evaluated in this report - three from existing prototype cooling systems (from AiResearch, IGT, and IIT) and two (from UCLA and SERI) that have not yet been tested in a complete cooling system. The basic principles of heat and mass regenerators and the requirements of the solar cooling application have been combined to generate a list of desirable characteristics for dehumidifiers. The five designs are described and compared quantitatively; compared characteristics are related directly to the list of desirable characteristics. System performance is considered as well as isolated dehumidifier parameters. Preliminary simulations indicate that a system using the SERI dehumidifier design could achieve a design-point COP greater than unity without causing significant increases in parasitic power, system size, or system cost, compared with existing prototypes. Because of the high potential of the wound-ribbon design, it is recommended that a research program be carried out to fully characterize this type of dehumidifier.

Barlow, R.S.

1983-06-01T23:59:59.000Z

35

Experimental study of an advanced silica gel dehumidifier  

DOE Green Energy (OSTI)

This report contains results of work done to experimentally characterize the performance of an advanced, rotary, desiccant dehumidifier and to develop and validate analytical methods for evaluating its performance in air-conditioning systems. A facility, the Cyclic Test Facility, and a test and analysis procedure were developed to evaluate the performance of the dehumidifier. A series of tests was undertaken to understand the simultaneous heat- and mass-transfer processes. An advanced dehumidifier test article was tested under cyclic operation to fully characterize its performance. Brief accounts of this facility, with its hardware and instrumentation, and detailed accounts of the test data and data reduction and analysis methods are presented. The data provide an engineering data base for evaluating rotary dehumidifiers for cooling applications. The dehumidifier's performance, as measured by the effectiveness, agreed with theory to within plus or minus 10%. 16 refs., 16 figs., 1 tab.

Bharathan, D.; Parsons, J.M.; Maclaine-cross, I.L.

1987-11-01T23:59:59.000Z

36

Covered Product Category: Residential Dishwashers | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Residential Dishwashers Residential Dishwashers Covered Product Category: Residential Dishwashers October 7, 2013 - 11:17am Addthis ENERGY STAR Qualified Products FEMP provides acquisition guidance across a variety of product categories, including residential dishwashers, which are an ENERGY STAR®-qualified product category. Federal laws and executive orders mandate that agencies meet these efficiency requirements in all procurement and acquisition actions that are not specifically exempted by law. Most manufacturers display the ENERGY STAR label on complying models. For a model not displaying this label, check the manufacturer's literature to determine if it meets the efficiency requirements outlined by ENERGY STAR. Performance Requirements for Federal Purchases For the most up-to-date efficiency levels required by ENERGY STAR, look for

37

Covered Product Category: Residential Dishwashers | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Dishwashers Dishwashers Covered Product Category: Residential Dishwashers October 7, 2013 - 11:17am Addthis ENERGY STAR Qualified Products FEMP provides acquisition guidance across a variety of product categories, including residential dishwashers, which are an ENERGY STAR®-qualified product category. Federal laws and executive orders mandate that agencies meet these efficiency requirements in all procurement and acquisition actions that are not specifically exempted by law. Most manufacturers display the ENERGY STAR label on complying models. For a model not displaying this label, check the manufacturer's literature to determine if it meets the efficiency requirements outlined by ENERGY STAR. Performance Requirements for Federal Purchases For the most up-to-date efficiency levels required by ENERGY STAR, look for

38

A desiccant dehumidifier for electric vehicle heating  

DOE Green Energy (OSTI)

Vehicle heating requires a substantial amount of energy. Engines in conventional cars produce enough waste heat to provide comfort heating and defogging/defrosting, even under very extreme conditions. Electric vehicles (EVs), however, generate little waste heat. Using battery energy for heating may consume a substantial fraction of the energy storage capacity, reducing the vehicle range, which is one of the most important parameters in determining EV acceptability. Water vapor generated by the vehicle passengers is in large part responsible for the high heating loads existing in vehicles. In cold climates, the generation of water vapor inside the car may result in water condensation on the windows, diminishing visibility. Two strategies are commonly used to avoid condensation on windows: windows are kept warm, and a large amount of ambient air is introduced in the vehicle. Either strategy results in a substantial heating load. These strategies are often used in combination, and a trade-off exists between them. If window temperature is decreased, ventilation rate has to be increased. Reducing the ventilation rate requires an increase of the temperature of the windows to prevent condensation. An alternative solution is a desiccant dehumidifier, which adsorbs water vapor generated by the passengers. Window temperatures and ventilation rates can then be reduced, resulting in a substantially lower heating load. This paper explores the dehumidifier heating concept. The first part shows the energy savings that could be obtained by using this technology. The second part specifies the required characteristics and dimensions of the system. The results indicate that the desiccant system can reduce the steady-state heating load by 60% or more under typical conditions. The reduction in heating load is such that waste heat may be enough to provide the required heating under most ambient conditions. Desiccant system dimensions and weight appear reasonable for packaging in an EV.

Aceves, S.M.; Smith, J.R.

1996-09-01T23:59:59.000Z

39

Performance predictions of silica-gel desiccant dehumidifiers  

DOE Green Energy (OSTI)

The analysis of a cross-cooled desiccant dehumidifier using silica gel in the form of sheets is described. This unit is the principal component of solar powered desiccant air conditioning system. The mathematical model has first been formulated describing the dynamics of the dehumidifier. The model leads to a system of nonlinear coupled heat and mass transfer equations for the sorption processes and linear heat transfer equations for the purging processes. The model accounts for the gas film resistance and for the moisture diffusion in the desiccant. The governing equations are solved by a finite difference scheme to obtain periodic steady state solutions. The accuracy of the theoretical predictions is ascertained by comparing them with the experimental results. The performance of the dehumidifier, for a chosen set of initial conditions and dehumidifier parameters, has also been given.

Mathiprakasam, B.; Lavan, Z.

1980-01-01T23:59:59.000Z

40

Development of a solar desiccant dehumidifier. Third technical progress report  

DOE Green Energy (OSTI)

This program is aimed at the development of a solar desiccant dehumidifier featuring a rotary bed of granular silica gel and a rotary regenerator. Design, fabrication, performance, commercialization studies, and test stand development are described in detail. (WHK)

Gunderson, M.E.

1979-06-12T23:59:59.000Z

Note: This page contains sample records for the topic "dehumidifiers dishwasher furnaces" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


41

Heat and mass transfer analysis of a desiccant dehumidifier matrix  

DOE Green Energy (OSTI)

This report documents the SERI Single-Blow Test Facility's design, fabrication, and testing for characterizing desiccant dehumidifiers for solar cooling applications. The first test article, a silica-gel parallel-plate dehumidifier with highly uniform passages, was designed and fabricated. Transient heat and mass transfer data and pressure drop data across the dehumidifier were obtained. Available heat and mass transfer models were extended to the parallel-place geometry, and the experimental data were compared with model predictions. Pressure drop measurements were also compared with model predictions of the fully developed laminar flow theory. The comparisons between the lumped-capacitance model and the experimental data were satisfactory. The pressure drop data compared satisfactorily with the theory (within 15%). A solid-side resistance model that is more detailed and does not assume symmetrical diffusion in particles was recommended for performance. This study has increased our understanding of the heat and mass transfer in silica gel parallel-plate dehumidifiers.

Pesaran, A.A.

1986-07-01T23:59:59.000Z

42

Experimental Investigation of the Padding Tower for Air Dehumidifier  

E-Print Network (OSTI)

Air conditioning with all fresh air is founded on the principle of dehumidifying by liquid desiccant. It has the characteristics of being clean, power-saving, easy to operate, and requiring low-grade heat. It is suitable for applying waste heat, and solar power as the heat source for regeneration. Hence, this system has a great latent potential for energy savings and environmental protection. The system chooses the padding tower as a dehumidifier and regenerator, which are often used in petrochemical industry. The system chooses a padding tower as a dehumidifier, and LiCl-Water as a liquid desiccant. The vapor in the air is absorbed by the spray of the LiCl solution, and then the absorbed vapor will be released by heating the absorbent. These processes form the circle of absorptive refrigeration operating in atmospheric pressure. This paper describes studies on the theory and experiment of the padding tower of the dehumidifying air conditioning, including selecting different padding and measuring the speed of the air flow and the solution flow and the pressure drop between the layers of the padding. The experimental and computational results indicate that the design parameters of the padding tower significantly influence the characteristics of the liquid desiccant air conditioning. Of these design parameters, the framework of the padding tower, ratio of the air and the concentration of the inlet solution is largest through the tower, the temperature and effects of the dehumidifying capability of the tower.

Wang, J.; Liu, J.; Li, C.; Zhang, G.; An, S.

2006-01-01T23:59:59.000Z

43

Performance of a cross-cooled desiccant dehumidifier prototype  

DOE Green Energy (OSTI)

The cross-cooled dehumidifier prototype was constructed in the form of a cube with a side dimension of 0.6 m. The cross-cooling was achieved by passing air through rectangular channels perpendicular to process channels which are lined with desiccant sheets consisting of 9..mu..m Syloid 63/sup TM/ silica gel held in a Teflon web. The process for the manufacture of the silica gel sheets was developed at the Illinois Institute of Technology. The dehumidifier prototype was installed in a test system that simulated the performance of a cross-cooled desiccant cooling system and monitored the performance of the prototype. The dehumidifier prototype was operated over a wide range of operating conditions which would be typically encountered in the field installation of such a system. Variables measured were the moisture cycled, cooling capacity, total cooling capacity and coefficient of performance.

Worek, W.M.; Lavan, Z.

1981-08-01T23:59:59.000Z

44

Statistical analysis of a silica gel rotary dehumidifier  

SciTech Connect

A regression analysis was conducted on experimental data obtained during the testing of a solid desiccant dehumidifier at the Solar Energy Research Institute (SERI has since been renamed the National Renewable Energy Laboratory). The data obtained was studied using statistical techniques to determine the regression equation for the temperature and humidity at the processed air outlet of the dehumidifier. These variables determine the cooling capacity and efficiency (Coefficient of Performance) of any desiccant cooling cycle. The analysis is used to determine the relative impact the input parameters have on the outlet temperature and humidity.

Kini, A.; Waugaman, D.G.; Kettleborough, C.F. (Texas A and M Univ., College Station (United States))

1993-01-01T23:59:59.000Z

45

Laboratory Test Report for Six ENERGY STAR Dehumidifiers  

Science Conference Proceedings (OSTI)

This report documents the measured performance of six residential ENERGY STAR vapor compression dehumidifiers. The performance of each was measured over a wide range of inlet air conditions and fit to a numerical model for capacity and efficiency. Performance curves were developed for use in EnergyPlus. Test data from all six dehumidifiers were also fit to generic performance curves. This work can be used by energy modelers and equipment manufacturers to understand how current products will operate in a wide range of environments, and to develop advanced space conditioning systems for efficient, safe, durable and healthy homes.

Winkler, J.; Christensen, D.; Tomerlin, J.

2011-12-01T23:59:59.000Z

46

Facility design for cyclic testing of advanced solid desiccant dehumidifiers  

DOE Green Energy (OSTI)

The development of high performance components is required to reach the goal of desiccant cooling system cost-competitiveness with conventional vapor compensation air conditioning systems. SERI has designed a laminar flow, parallel passage dehumidifier that has this potential. The goal of SERI's desiccant cooling research program is to fully characterize experimentally the performance of the parallel passage dehumidifier under a wide range of operating conditions, investigate improvements in design, and verify existing models of dehumidifier performance against experimental results. This report documents the design of the SERI Desiccant Cooling Test Facility for performing the above testing. With slight modifications, the testing can be used for testing other desiccant cooling system components. The dehumidifier processes and the parameters and variables needed to control and characterize its performance are presented. The physical layout of the test loop and instrumentation for monitoring the operating conditions and dehumidifer performance and the controls for maintaining the operating conditions are specified. The computerized data acquisition system conversion equations and an error analysis of measurement variables are also presented.

Schlepp, D.; Schultz, K.; Zangrando, F.

1984-08-01T23:59:59.000Z

47

Analysis of a Fabric/Desiccant Window Cavity Dehumidifier  

E-Print Network (OSTI)

This paper presents the results of an exploratory study of a fabric/desiccant window cavity dehumidifier system for possible use in commercial buildings. The objective was to evaluate fabrics commonly used in buildings, and system concepts that employ these fabrics, which can be used to dehumidify room air. We developed a first-order energy/mass balance model to determine the performance of a window cavity dehumidifier that uses silica gel encapsulated in a fabric matrix rotating on a belt alternately through dehumidification and regeneration chambers; the modeling effort was supplemented by environmental chamber measurements of the moisture absorption characteristics of 16 fabric/desiccant combinations. We ran the model for a typical office building module, for outside air design conditions characteristic of the most difficult humidity regime in Texas. Two flow configurations, outside air and return air, were evaluated to determine the capability of such a system to dehumidify the air streams under consideration. Issues addressed included the physical limitations on the amount of desiccant that can be included in this configuration and the degree of dehumidification achievable.

Hunn, B. D.; Grasso, M. M.; Vadlamani, V.

1994-01-01T23:59:59.000Z

48

Development of an Energy Efficient Desiccant Dehumidifier : Final Report.  

SciTech Connect

Humidity control in space conditioning has received a good deal of attention in the past twenty or so years. Perhaps the most familiar application is the use of humidifiers in the winter months. Of equal concern is the use of air conditions and dehumidifiers in the summer months. High humidity levels in summer months require lower coil temperatures in order to achieve human comfort levels, and may result in significant product and property damage if humidity levels are not controlled at appropriate level. This study addresses the solid desiccant dehumidifier using IR heaters as an energy efficient desiccant dehumidifier (EEDD). The study is divided into two phases; Phase 1 -- Application assessment; and Phase 2: Prototype design, manufacture, and testing. Phase 1 addresses the total electrical energy usage by all possible applications of the EEDD and evaluates the energy performance of the EEDD in terms of its percentage energy savings compared to the conventional vapor compression cooling and also with the state-of-the-art desiccant dehumidifiers. During Phase 2, a functional EEDD prototype unit was designed and manufactured. The work of Phase 2 was divided into four tasks: Task 1, conceptual design; Task 2, mechanical (blueprint) design; Task 3, manufacture and factory testing; and Task 4, performance testing. 17 refs., 21 figs., 30 tabs.

Relwani, Suresh M.; Moschandreas, Demetrios J.

1990-04-01T23:59:59.000Z

49

Shutdown Protection of Steam Turbines Using Dehumidified Air  

Science Conference Proceedings (OSTI)

EPRI research has determined that proper protection of the steam turbine during shutdown periods is essential to the prevention of damage by stress corrosion cracking and corrosion fatigue. This report provides information on both the incipient damage of improper shutdown and techniques for assessing and applying dehumidified air for shutdown protection.

2008-03-26T23:59:59.000Z

50

Laboratory Test Report for Six ENERGY STAR Dehumidifiers  

NLE Websites -- All DOE Office Websites (Extended Search)

Test Report for Six Test Report for Six ENERGY STAR ® Dehumidifiers Jon Winkler, Ph.D., Dane Christensen, Ph.D., and Jeff Tomerlin Technical Report NREL/TP-5500-52791 December 2011 NREL is a national laboratory of the U.S. Department of Energy, Office of Energy Efficiency & Renewable Energy, operated by the Alliance for Sustainable Energy, LLC. National Renewable Energy Laboratory 1617 Cole Boulevard Golden, Colorado 80401 303-275-3000 * www.nrel.gov Contract No. DE-AC36-08GO28308 Laboratory Test Report for Six ENERGY STAR ® Dehumidifiers Jon Winkler, Ph.D., Dane Christensen, Ph.D., and Jeff Tomerlin Prepared under Task No. BE11.0201 Technical Report NREL/TP-5500-52791 December 2011 NOTICE This report was prepared as an account of work sponsored by an agency of the United States government.

51

High-performance dehumidifier for solar desiccant cooling systems  

DOE Green Energy (OSTI)

An advanced-design, one-tenth-scale dehumidifier for use in residential solar desiccant-cooling systems has been built and tested. The new dehumidifier was designed using a parallel-passage geometry, where air flows through channels formed by walls coated with fine-ground silica gel desiccant. This concept has a high heat and mass transfer effectiveness and promises to double the coefficient of performance of the desiccant cooling system to 1.1 kW cooling output/kW thermal input. The parallel-passage design was found to have very low pressure drop, typically 20 Pa (.08 in. water) at design conditions. The low fan power required to drive such low pressure drop components indicates that electrical COP's in the range of 8.0 to 8.2 kW cooling output/kW electrical input are possible. Results presented include parametric studies of the effect of conditions such as temperature and humidity and design parameters such as desiccant particle size and channel spacing on dehumidifier performance.

Schlepp, D.

1983-05-01T23:59:59.000Z

52

Tube furnace  

DOE Patents (OSTI)

A vermiculite insulated tube furnace is heated by a helically-wound resistance wire positioned within a helical groove on the surface of a ceramic cylinder, that in turn is surroundingly disposed about a doubly slotted stainless steel cylindrical liner. For uniform heating, the pitch of the helix is of shorter length over the two end portions of the ceramic cylinder. The furnace is of large volume, provides uniform temperature, offers an extremely precise programmed heating capability, features very rapid cool-down, and has a modest electrical power requirement.

Foster, K.G.; Frohwein, E.J.; Taylor, R.W.; Bowen, D.W.

1990-01-01T23:59:59.000Z

53

Enameling Furnaces  

Science Conference Proceedings (OSTI)

Table 13 Cycles for firing ground-coated and cover-coated sheet steel parts in a continuous furnace...Architectural panels 16-22 805 1480 2-4 Home laundry equipment 18-22 805 1480 4-5 Water heater tanks 7-16 870 1600 8-12 Range equipment 18-24 805 1480 3-5 Sanitary ware 14-18 815 1500 4-6 Signs 16-22 805 1480 3-5 (a) Temperature varies with composition of frit. (b) Time in hot zone of furnace...

54

Furnace assembly  

DOE Patents (OSTI)

A method of and apparatus for heating test specimens to desired elevated temperatures for irradiation by a high energy neutron source. A furnace assembly is provided for heating two separate groups of specimens to substantially different, elevated, isothermal temperatures in a high vacuum environment while positioning the two specimen groups symmetrically at equivalent neutron irradiating positions.

Panayotou, Nicholas F. (Kennewick, WA); Green, Donald R. (Richland, WA); Price, Larry S. (Pittsburg, CA)

1985-01-01T23:59:59.000Z

55

Formulating Detergents and Personal Care ProductsChapter 6 Hand and Machine Dishwashing Products  

Science Conference Proceedings (OSTI)

Formulating Detergents and Personal Care Products Chapter 6 Hand and Machine Dishwashing Products Surfactants and Detergents eChapters Surfactants - Detergents Press Downloadable pdf of\tChapter 6 Hand and Machine

56

Development of a solar desiccant dehumidifier. Second technical progress report  

SciTech Connect

Research and development of a solar desiccant dehumidifier featuring a rotary bed of granular silica gel and a rotary regenerator for air conditioning is described. The results of the system optimization studies are presented. The studies involved an extensive investigation of the energy saving potential and economic viability of the solar desiccant dehumidifier in different locations in the United States. Conventional electric vapor compression, and solar absorption and Rankine systems also were investigated for comparison. In general, it was found that the solar desiccant equipment, either by itself or in a hybrid system with an electric vapor compression air conditioner, is economically viable for all three locations considered. Substantial energy savings can be effected as well. Seal tests done at AiResearch to develop practical dynamic air seals are described. Leakage and friction tests were performed on a variety of material combinations and configurations. Dacron felt and silicone rubber were found to give an acceptable combination of leakage, friction, and cost characteristics. As part of the commercialization studies for the desiccant equipment, a questionnaire was sent to residential air conditioning equipment distributors. The results of the questionnaire are presented. The specifications and drawings for the 1.5-ton prototype are included. (WHK)

Gunderson, M.E.; Hwang, K.C.; Railing, S.M.; Rousseau, J.

1978-11-10T23:59:59.000Z

57

Performance Test and Energy Saving Analysis of a Heat Pipe Dehumidifier  

E-Print Network (OSTI)

Heat pipe technology applied to ventilation, dryness, and cooling and heating radiator in a building is introduced in this paper. A new kind of heat pipe dehumidifier is designed and tested. The energy-saving ratio with the heat pipe dehumidifier ranges from 11.81% to 30.34% compared with the normal dehumidifier, according to the performance testing. The dehumidification capacity and the surface cooler power increases, but the energy saving ratio is reduced with the increase of air relative humidity, dry bulb temperature and air quantity

Zhao, X.; Li, Q.; Yun, C.

2006-01-01T23:59:59.000Z

58

Analysis of a Flat-Plate, Liquid-Desiccant, Dehumidifier and Regenerator.  

E-Print Network (OSTI)

??A numerical model for isothermal and non-isothermal flat-plate liquid-desiccant dehumidifiers and regenerators was developed and implemented. The two-dimensional model takes into account the desiccant, water (more)

Mesquita, Lucio Cesar De Souza

2008-01-01T23:59:59.000Z

59

LiCl Dehumidifier LiBr absorption chiller hybrid air conditioning system with energy recovery  

SciTech Connect

This invention relates to a hybrid air conditioning system that combines a solar powered LiCl dehumidifier with a LiBr absorption chiller. The desiccant dehumidifier removes the latent load by absorbing moisture from the air, and the sensible load is removed by the absorption chiller. The desiccant dehumidifier is coupled to a regenerator and the desiccant in the regenerator is heated by solar heated hot water to drive the moisture therefrom before being fed back to the dehumidifier. The heat of vaporization expended in the desiccant regenerator is recovered and used to partially preheat the driving fluid of the absorption chiller, thus substantially improving the overall COP of the hybrid system.

Ko, Suk M. (Huntsville, AL)

1980-01-01T23:59:59.000Z

60

Performance predictions of silica-gel desiccant dehumidifiers. Technical report No. 3  

SciTech Connect

The analysis of a cross-cooled desiccant dehumidifier using silica gel in the form of sheets is described. This unit is the principal component of solar powered desiccant air conditioning system. The mathematical model has first been formulated describing the dynamics of the dehumidifier. The model leads to a system of nonlinear coupled heat and mass transfer equations for the sorption processes and linear heat transfer equations for the purging processes. The model accounts for the gas film resistance and for the moisture diffusion in the desiccant. The governing equations are solved by a finite difference scheme to obtain periodic steady state solutions. The accuracy of the theoretical predictions is ascertained by comparing them with the experimental results. The performance of the dehumidifier, for a chosen set of initial conditions and dehumidifier parameters, has also been given.

Mathiprakasam, B.; Lavan, Z.

1980-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "dehumidifiers dishwasher furnaces" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


61

NREL Tests Dehumidifiers, Defines Simplified Simulation Model (Fact Sheet), NREL Highlights, Research & Development, NREL (National Renewable Energy Laboratory)  

NLE Websites -- All DOE Office Websites (Extended Search)

residential dehumidifiers residential dehumidifiers results in practical performance curves for use in whole-building simulation tools. Dehumidifiers remove moisture from a home's indoor environment, thereby increasing occupant comfort, improving air quality, and reducing the likelihood of mold, rot, and dust mites. To help energy professionals more easily evaluate this technology for the market, National Renewable Energy Laboratory (NREL) researchers tested the efficiency and capacity of a variety of dehumidifiers and developed a generalized approach to simulate any residential dehumidifier. The test results and modeling method are documented in a new report. Typically, dehumidifiers are only rated at a single temperature and humidity, so rating data alone cannot determine whether a product will meet the moisture removal

62

Energy consumption and usage characteristics from field measurements of residential dishwashers, clothes washers and clothes dryers  

SciTech Connect

The measured energy consumption and usage characteristics for household dishwashers, clothes washers, and clothes dryers for ten townhouses at Twin Rivers, N.J., are presented. Whenever the dishwashers and/or clothes washers were in use, the energy consumption, water consumption, frequency of usage, and water temperature were measured by a data acquisition system. The electrical energy of electric clothes dryers and the gas consumption of gas clothes dryers were measured, as well as their frequency and duration of use, and exhaust temperature. Typical household usage patterns of these major appliances are included.

Chang, Y.L.; Grot, R.A.

1980-10-01T23:59:59.000Z

63

Cross-cooled dehumidifier model test results and computer simulations  

DOE Green Energy (OSTI)

Research on the development of a solar operated cross-cooled desiccant cooling system is described. A 15 cm x 15 cm x 15 cm (6'' x 6'' x 6'') cross-cooled silica gel desiccant dehumidifier model was designed, built and tested. The process of producing the silica gel sheets, the design and construction of the unit, the test setup and the test procedures are described in detail. A total of twenty tests were performed to determine the effect of inlet process stream dew point, process stream and cooling stream flowrates and regeneration stream temperature and dew point, on the performance of the unit. The test results show that the unit performance improves with increasing regeneration temperature, process stream flowrate and process air inlet dew point. The unit performance decreases with increase of the regeneration stream dew point. The results clearly show that the process stream inlet dew point is the dominating factor and that the concept of cross-cooling works very well. With moderate cross-cooling, the unit performance can increase over 50%. All tests were simulated by a computer program. The experimental and theoretical results are in very good agreement.

Mei, V.; Lavan, Z.

1979-11-01T23:59:59.000Z

64

Convective heat and mass transfer in compact regenerative dehumidifiers  

Science Conference Proceedings (OSTI)

Regular-density silica gel is identified as the candidate desiccant for regenerative dehumidification of humid air operating at low-regeneration temperatures and high-process humidities. The literature on the equilibrium sorption uptake of water vapor by R. D. silica gel is reviewed in this work, and a large number of experimental sorption data is collected from various technical reports. The Dubinin-Polanyi sorption theory for microporous adsorbents is discussed and applied to the sorptive data. A graphical presentation of the experimental data establishes the characteristic curve for the sorption of water vapor on silica gel. The Dubinin-Astakhov correlation is used to represent the equilibrium sorption isotherm and values for the characteristic sorption energies are determined by curve fitting with the experimental data. An accurate, generalized isotherm equation for the sorption of water vapor on regular density silica gel is presented in the first part of this work. The second part of this work presents an analytical and experimental investigation of the transient heat and mass transfer in laminar flow of humid air over a silica gel surface. Experimental results are presented for the transient response of a parallel-plate dehumidifier matrix in single-blow type experiments.

Van den Buick, E.

1987-01-01T23:59:59.000Z

65

Facilities for testing desiccant materials and geometries of dehumidifiers for solar-regenerated desiccant cooling systems  

SciTech Connect

Four experimental test facilities for characterizing the performance of solid desiccant materials and dehumidifier matrices which have the potential to be used in solar-regenerated desiccant cooling systems are reviewed. The water equilibrium capacity and sorption rates of desiccant materials, depending on their form, can be either measured with a quartz crystal microbalance or a desiccant sorption test facility. Pressure drop, heat- and mass-transfer rates and transient equilibrium dehumidification capacity of a dehumidifier matrices are measured in a desiccant heat and mass transfer test facility. The performance and steady state dehumidification capabilities of prototype dehumidifier components under realistic conditions are measured in a desiccant cyclic test facility. The description of the test apparatus, experimental procedure, measurement errors, and typical results for the four test facilities are presented here. 15 refs., 9 figs., 1 tab.

Pesaran, A.A.; Bingham, C.E.

1988-12-01T23:59:59.000Z

66

Testing of a solar powered cooling system using cross-cooled desiccant dehumidifiers  

DOE Green Energy (OSTI)

A solar powered desiccant cooling system using two fixed bed silica gel dehumidifiers has been designed, built and is being tested. The dehumidifiers, 0.6 x 0.6 x 0.6 m each, are constructed of 80 channels lined with 64 m/sup 2/ of 1.5 mm thick silica gel sheets. The bed is cooled by air flowing in an equal number of perpendicular channels. Both sets of channels are two mm wide, the dehumidifiers undergo adsorption, preheating, desorption and precooling in a cyclic fashion. The cooling capacity of the experimental system is one ton at ARI design conditions. The system has a high cooling capacity, high COP, low parasitic power consumption and requires low regeneration temperatures.

Monnier, J.B.; Worek, W.M.; Lavan, Z.

1981-01-01T23:59:59.000Z

67

Furnaces and Energy  

Science Conference Proceedings (OSTI)

Cast Shop for Aluminum Production: Furnaces and Energy ... Computational Analysis of Thermal Process of a Regenerative Aluminum Melting Furnace: Jimin ... and the appearance of innovative and competing stirrer systems in the market.

68

Anode Baking Furnace Operation  

Science Conference Proceedings (OSTI)

The course is directed toward plant managers, anode area managers, process engineers, technical managers, and baking furnace ... ENERGY MANAGEMENT.

69

Furnace Design and Operation  

Science Conference Proceedings (OSTI)

...S. Lampman, Energy-Efficient Heat-Treating Furnace Design and Operation, Heat Treating, Vol 4, ASM Handbook, ASM International,

70

Energy saving furnace controller  

Science Conference Proceedings (OSTI)

This patent describes a forced air heating system including a furnace controlled by a household thermostat. The furnace includes a burner, burning valve, heat exchanger, plenum and fan for circulating air through the heat exchanger and plenum. An auxiliary controller comprises: relay means connectable between the household thermostat and the furnace burner valve; and timing means for controlling the duty cycle of the furnace burner valve by opening and closing the relay. The timing means includes means for timing alternating first and second intervals, the first interval at least substantially equal to the length of time the furnace delays between a cell for heat from the household thermostat and the start of the furnace fan when the furnace is started from a cool state. The second interval corresponds to a percentage of the first interval.

Johnson, H.R.; Lombardi, S.E.

1987-05-26T23:59:59.000Z

71

Experimental studies of heat and mass exchange in parallel-passage rotary desiccant dehumidifiers for solar cooling applications  

DOE Green Energy (OSTI)

This report presents results of work done to experimentally characterize the performance of rotary desiccant dehumidifiers and to develop and validate analytical methods for evaluating their performance in air-conditioning systems. A facility, the Cyclic Test Facility, and a test-and-analysis procedure were developed to evaluate the performance of the rotary dehumidifiers. Experiments were performed to develop a basic understanding of the simultaneous heat- and mass-transfer processes in the dehumidifiers. Two test articles were tested under cyclic operation to characterize their performance. Detailed accounts of the Cyclic Test Facility, its hardware and instrumentation, the two test articles, and data reduction and analysis methods are provided. The data provide an engineering data base for evaluating rotary desiccant dehumidifiers for cooling applications. 46 refs., 26 figs., 3 tabs.

Bharathan, D.; Parsons, J.M.; Maclaine-cross, I.L.

1987-11-01T23:59:59.000Z

72

Furnaces and Boilers  

Energy.gov (U.S. Department of Energy (DOE))

Furnaces heat air and distribute the heated air through a building using ducts; boilers heat water, providing either hot water or steam for heating.

73

Mass transfer of volatile organic compounds from drinking water to indoor air: The role of residential dishwashers  

Science Conference Proceedings (OSTI)

Contaminated tap water may be a source of volatile organic compounds (VOCs) in residential indoor air. To better understand the extent and impact of chemical emissions from this source, a two-phase mass balance model was developed based on mass transfer kinetics between each phase. Twenty-nine experiments were completed using a residential dishwasher to determine model parameters. During each experiment, inflow water was spiked with a cocktail of chemical tracers with a wide range of physicochemical properties. In each case, the effects of water temperature, detergent, and dish-loading pattern on chemical stripping efficiencies and mass transfer coefficients were determined. Dishwasher headspace ventilation rates were also measured using an isobutylene tracer gas. Chemical stripping efficiencies for a single cycle ranged from 18% to 55% for acetone, from 96% to 98% for toluene, and from 97% to 98% for ethylbenzene and were consistently 100% for cyclohexane. Experimental results indicate that dishwashers have a relatively low but continuous ventilation rate that results in significant chemical storage within the headspace of the dishwasher. In conjunction with relatively high mass transfer coefficients, low ventilation rates generally lead to emissions that are limited by equilibrium conditions after approximately 1--2 min of dishwasher operation.

Howard-Reed, C.; Corsi, R.L. [Univ. of Texas, Austin, TX (United States). Dept. of Civil Engineering; Moya, J. [Environmental Protection Agency, Washington, DC (United States)

1999-07-01T23:59:59.000Z

74

Furnace Black Characterization  

E-Print Network (OSTI)

Furnace Black Characterization Sid Richardson Carbon Co Fort Worth, TX Dr. Michel Gerspacher #12 of Crystallographic Studies #12;005F7 Methodologies #12;005F8 Summary · For all furnace carbon black 12? Surface Unorganized Carbon Identified #12;005F11 SRCC's Model #12;005F12 Carbon Black Surface Activity

75

Alexandria Light and Power - Residential Energy Efficiency Rebate...  

Open Energy Info (EERE)

Technologies Central Air conditioners, Clothes Washers, Dehumidifiers, Dishwasher, Energy Mgmt. SystemsBuilding Controls, Heat pumps, Lighting, Programmable Thermostats,...

76

Furnace Black Characterization  

NLE Websites -- All DOE Office Websites (Extended Search)

Furnace Black Furnace Black Characterization Sid Richardson Carbon Co Fort Worth, TX Dr. Michel Gerspacher 005F 2 Definitions Particle Aggregate = 20nm to 100nm "Diameter" = 200nm to 1,000nm "Length" = Set of Percolated Aggregates Particle (?) Aggregate Agglomerate Constituents Size = Tech/Scientific Challenge 005F 3 Furnace Process High Temperature Refractory Feedstock Oil Air Natural Gas Reaction Zone Quench 005F 4 Specific Surface Area 005F 5 Structure 3-D Morphology Key Characteristic Summary of Crystallographic Studies 005F 7 Methodologies 005F 8 Summary * For all furnace carbon black 12Å < L C < 17Å * Crystallite L a ≈ 25Å * Amorphous Carbon * No micropores * Very few surface groups (hetero atoms) { 005F 9 Effect of Heat Treatment on Amorphous Carbon

77

Furnace Systems Technology Workshop  

Science Conference Proceedings (OSTI)

TMS Networking and Online Tools, X ... TMS Social Network and Site Tools .... furnace technology, fundamentals of fans and blowers, reduction of melt loss, refractory ... Sutton - Harbison-Walker Refractories; Jon Gillespie - Gillespie & Powers...

78

High temperature furnace  

DOE Patents (OSTI)

A high temperature furnace for use above 2000.degree.C is provided that features fast initial heating and low power consumption at the operating temperature. The cathode is initially heated by joule heating followed by electron emission heating at the operating temperature. The cathode is designed for routine large temperature excursions without being subjected to high thermal stresses. A further characteristic of the device is the elimination of any ceramic components from the high temperature zone of the furnace.

Borkowski, Casimer J. (Oak Ridge, TN)

1976-08-03T23:59:59.000Z

79

On the use of the parabolic concentration profile assumption for a rotary desiccant dehumidifier  

SciTech Connect

The current work describes a model for a desiccant dehumidifier which uses a parabolic concentration profile assumption to model the diffusion resistance inside the desiccant particle. The relative merits of the parabolic concentration profile model compared with widely utilized rotary desiccant wheel models are discussed. The periodic steady-state parabolic concentration profile model developed is efficient and can accommodate a variety of materials. These features make it an excellent tool for design studies requiring repetitive desiccant wheel simulations. A quartic concentration profile assumption was also investigated which yielded a 2.8 percent average improvement in prediction error over the parabolic model.

Chant, E.E. [Univ. of Turabo, Gurabo (Puerto Rico); Jeter, S.M. [Georgia Inst. of Technology, Atlanta, GA (United States). George W. Woodruff School of Mechanical Engineering

1995-02-01T23:59:59.000Z

80

Argonne Software Licensing: Glass Furnace Model (GFM)  

The Glass Furnace Model (GFM) The Glass Furnace Model (GFM) Version 4.0, a computational fluid dynamic (CFD) glass furnace simulation code was developed at Argonne ...

Note: This page contains sample records for the topic "dehumidifiers dishwasher furnaces" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


81

Partially Reduced Feedstocks and Blast Furnace Ironmaking ...  

Science Conference Proceedings (OSTI)

... Partially Reduced Feedstocks and Blast Furnace Ironmaking Carbon Intensity ... simple Rist-style blast furnace mass and energy balance, assuming furnace...

82

Method for Evaluating Energy Use of Dishwashers, Clothes Washers, and Clothes Dryers: Preprint  

SciTech Connect

Building America teams are researching opportunities to improve energy efficiency for some of the more challenging end-uses, such as lighting (both fixed and occupant-provided), appliances (clothes washer, dishwasher, clothes dryer, refrigerator, and range), and miscellaneous electric loads, which are all heavily dependent on occupant behavior and product choices. These end-uses have grown to be a much more significant fraction of total household energy use (as much as 50% for very efficient homes) as energy efficient homes have become more commonplace through programs such as ENERGY STAR and Building America. As modern appliances become more sophisticated the residential energy analyst is faced with a daunting task in trying to calculate the energy savings of high efficiency appliances. Unfortunately, most whole-building simulation tools do not allow the input of detailed appliance specifications. Using DOE test procedures the method outlined in this paper presents a reasonable way to generate inputs for whole-building energy-simulation tools. The information necessary to generate these inputs is available on Energy-Guide labels, the ENERGY-STAR website, California Energy Commission's Appliance website and manufacturer's literature. Building America has developed a standard method for analyzing the effect of high efficiency appliances on whole-building energy consumption when compared to the Building America's Research Benchmark building.

Eastment, M.; Hendron, R.

2006-08-01T23:59:59.000Z

83

Method for Evaluating Energy Use of Dishwashers, Clothes Washers, and Clothes Dryers: Preprint  

SciTech Connect

Building America teams are researching opportunities to improve energy efficiency for some of the more challenging end-uses, such as lighting (both fixed and occupant-provided), appliances (clothes washer, dishwasher, clothes dryer, refrigerator, and range), and miscellaneous electric loads, which are all heavily dependent on occupant behavior and product choices. These end-uses have grown to be a much more significant fraction of total household energy use (as much as 50% for very efficient homes) as energy efficient homes have become more commonplace through programs such as ENERGY STAR and Building America. As modern appliances become more sophisticated the residential energy analyst is faced with a daunting task in trying to calculate the energy savings of high efficiency appliances. Unfortunately, most whole-building simulation tools do not allow the input of detailed appliance specifications. Using DOE test procedures the method outlined in this paper presents a reasonable way to generate inputs for whole-building energy-simulation tools. The information necessary to generate these inputs is available on Energy-Guide labels, the ENERGY-STAR website, California Energy Commission's Appliance website and manufacturer's literature. Building America has developed a standard method for analyzing the effect of high efficiency appliances on whole-building energy consumption when compared to the Building America's Research Benchmark building.

Eastment, M.; Hendron, R.

2006-08-01T23:59:59.000Z

84

Consumer-products minimum energy-efficiency-standards program. Topical report on Subtask 3. 1. Evaluation of energy consumption savings of boost heaters in dishwashers  

SciTech Connect

An analysis of the energy conservation and life cycle cost benefits of boost heaters for dishwashers is presented to provide technical information to assist in determining whether to modify the dishwasher test procedure to include boost heaters. Two manufacturers are offering dishwashers which have an inlet water temperature requirement of 120/sup 0/F. Cleaning performance in these appliances is maintained with an electric coil in the sump of the dishwasher, which boosts the incoming water to its final temperature. Both manufacturers have petitioned DOE for exemption from efficiency standards, since current DOE test procedures give no credit for water heater energy savings. The evaluation shows boost heaters to be energy conserving for all conditions. The life cycle cost analysis indicates boost heaters are cost effective in all cases for homes with electric water heaters, and in most cases for homes having gas water heaters. Additionally the proposed standards for dishwashers will lower water consumption in 1985 model dishwashers such that boost heaters will become cost effective in all cases.

Not Available

1980-05-01T23:59:59.000Z

85

Comparison of the performance of open cycle air conditioners utilizing rotary desiccant dehumidifiers  

DOE Green Energy (OSTI)

This paper presents the results of an investigation of open cycle cooling systems using rotary desiccant dehumidifiers. Three systems, the ventilation, recirculation, and Dunkle cycles have been modeled. The performance of these systems coupled with an air-based solar system has been determined using TRNSYS simulations of system operation in four representative US climates. The system COP, fraction of the total cooling load met by the desiccant system, and fraction of the thermal energy provided by solar energy are compared. An assessment of the effect of climate and system parameters on the relative performance of the three system configurations is made. It is shown that in order to meet residential loads of 7 to 11 kW with a COP on the order of unity, systems with high effectiveness must be employed. These systems were also found to perform well when operated solely with a solar thermal input.

Jurinak, J.J.; Beckman, W.A.

1985-01-01T23:59:59.000Z

86

Tritium extraction furnace  

DOE Patents (OSTI)

This invention is comprised of apparatus for heating an object such as a nuclear target bundle to release and recover hydrogen and contain the disposable residue for disposal. The apparatus comprises an inverted furnace, a sleeve/crucible assembly for holding and enclosing the bundle, conveying equipment for placing the sleeve onto the crucible and loading the bundle into the sleeve/crucible, a lift for raising the enclosed bundle into the furnace, and hydrogen recovery equipment including a trap and strippers, all housed in a containment having, negative internal pressure. The crucible/sleeve assembly has an internal volume that is sufficient to enclose and hold the bundle before heating; the crucible`s internal volume is sufficient by itself to hold and enclose the bundle`s volume after heating. The crucible can then be covered and disposed of, the sleeve, on the other hand, can be reused.

Heung, L.K.

1992-12-31T23:59:59.000Z

87

SERI Desiccant Cooling Test Facility. Status report. Preliminary data on the performance of a rotary parallel-passage silica-gel dehumidifier  

DOE Green Energy (OSTI)

This report describes the SERI Desiccant Cooling Test Facility. The facility can test bench-scale rotary dehumidifiers over a wide range of controlled conditions. We constructed and installed in the test loop a prototype parallel-passage rotary dehumidifier that has spirally wound polyester tape coated with silica gel. The initial tests gave satisfactory results indicating that approximately 90% of the silica gel was active and the overall Lewis number of the wheel was near unity. The facility has several minor difficulties including an inability to control humidity satisfactorily and nonuniform and highly turbulent inlet velocities. To completely validate the facility requires a range of dehumidifier designs. Several choices are available including constructing a second parallel-passage dehumidifier with the passage spacing more uniform.

Schultz, K.J.

1986-04-01T23:59:59.000Z

88

Design and testing a solar cooling system employing liquid desiccants: Dehumidifier experiments in Colorado State University Solar House II: Final report, 1986--1987  

DOE Green Energy (OSTI)

A nominal 3-ton (10.5-kW) lithium bromide, open-cycle desiccant cooling system has been designed, installed, and operated. This experimental system dehumidifies ambient air in a packed bed utilizing an aqueous solution of lithium bromide. The absorbent solution is distributed by spray nozzles and flows countercurrent to the air. The dilute solution exiting the dehumidifier is concentrated in a packed bed regenerator by solar heated air. The strong solution is cooled by two heat exchangers before reentering the dehumidifier. Provisions to simulate conditions of high ambient humidity and temperature have been made. Experiments on the dehumidifier operating in a decoupled mode (without countercurrent regenerator operation) have been carried out. Cooling capacities in the range of 1.0--4.0 refrigeration tons have been achieved, depending upon the operating conditions. The effect of different independent variables on the capacity of the dehumidifier has been studied. An empirical equation correlating the variables have been obtained by statistical analysis of the data. The equation obtained indicates that the capacity of the dehumidifier depends strongly on the solution concentration, solution flow rate, air inlet temperature and the air humidity. Two other variables studied, the solution inlet temperature and the air flow rate, did not affect the cooling capacity greatly. The dependence of condensation rate on each of the variables is analyzed. 22 refs., 17 figs., 3 tabs.

Lenz, T.G.; Loef, G.O.G.; Patnaik, S.

1987-12-01T23:59:59.000Z

89

HIGH TEMPERATURE MICROSCOPE AND FURNACE  

DOE Patents (OSTI)

A high-temperature microscope is offered. It has a reflecting optic situated above a molten specimen in a furnace and reflecting the image of the same downward through an inert optic member in the floor of the furnace, a plurality of spaced reflecting plane mirrors defining a reflecting path around the furnace, a standard microscope supported in the path of and forming the end terminus of the light path.

Olson, D.M.

1961-01-31T23:59:59.000Z

90

Development of a solar desiccant dehumidifier. Volume 1. Summary. Volume 2. Detailed technical information. Technical progress report  

DOE Green Energy (OSTI)

Research and development work aimed at the development of a solar desiccant dehumidifier is described in detail. The system features a rotary bed of granular silica gel and a rotary regenerator. The dehumidifier can be used for air conditioning through adiabatic saturation of the process airstream. Detailed technical information is presented in the appendices: (A) management, (B) review of the literature: state-of-the-art survey and SERI meeting, (C) review of the literature: adsorbent survey, (D) design requirements and evaluation criteria, (E) design requirements and evaluation criteria, single-family house model, (F) design requirements and evaluation criteria, economic model, (G) design requirements and evaluation criteria: conventional system models for comparison, (H) candidate cooling subsystems, (I) subsystem computer model, (J) subsystem performance map, and (K) subsystem preliminary design. (WHK)

Gunderson, M.E.; Hwang, K.C.; Railing, S.M.

1978-03-31T23:59:59.000Z

91

Reduce Air Infiltration in Furnaces  

Science Conference Proceedings (OSTI)

This DOE Industrial Technologies Program tip sheet describes how to save energy and costs by reducing air infiltration in industrial furnaces; tips include repairing leaks and increasing insulation.

Not Available

2006-01-01T23:59:59.000Z

92

Cupola Furnace Computer Process Model  

Science Conference Proceedings (OSTI)

The cupola furnace generates more than 50% of the liquid iron used to produce the 9+ million tons of castings annually. The cupola converts iron and steel into cast iron. The main advantages of the cupola furnace are lower energy costs than those of competing furnaces (electric) and the ability to melt less expensive metallic scrap than the competing furnaces. However the chemical and physical processes that take place in the cupola furnace are highly complex making it difficult to operate the furnace in optimal fashion. The results are low energy efficiency and poor recovery of important and expensive alloy elements due to oxidation. Between 1990 and 2004 under the auspices of the Department of Energy, the American Foundry Society and General Motors Corp. a computer simulation of the cupola furnace was developed that accurately describes the complex behavior of the furnace. When provided with the furnace input conditions the model provides accurate values of the output conditions in a matter of seconds. It also provides key diagnostics. Using clues from the diagnostics a trained specialist can infer changes in the operation that will move the system toward higher efficiency. Repeating the process in an iterative fashion leads to near optimum operating conditions with just a few iterations. More advanced uses of the program have been examined. The program is currently being combined with an ''Expert System'' to permit optimization in real time. The program has been combined with ''neural network'' programs to affect very easy scanning of a wide range of furnace operation. Rudimentary efforts were successfully made to operate the furnace using a computer. References to these more advanced systems will be found in the ''Cupola Handbook''. Chapter 27, American Foundry Society, Des Plaines, IL (1999).

Seymour Katz

2004-12-31T23:59:59.000Z

93

Regenerative Burners Assessment in Holding Reverberatory Furnace  

Science Conference Proceedings (OSTI)

The assessment showed that the regenerative burner furnaces are not profitable in saving energy in addition to the negative impact on the furnace life.

94

High pressure furnace  

DOE Patents (OSTI)

A high temperature high pressure furnace has a hybrid partially externally heated construction. A metallic vessel fabricated from an alloy having a composition of at least 45% nickel, 15% chrome, and 10% tungsten is utilized (the preferred alloy including 55% nickel, 22% chrome, 14% tungsten, 2% molybdenum, 3% iron (maximum) and 5% cobalt (maximum). The disclosed alloy is fabricated into 11/4 or 2 inch, 32 mm or 50 mm bar stock and has a length of about 22 inches, 56 cm. This bar stock has an aperture formed therein to define a closed high temperature, high pressure oxygen chamber. The opposite and closed end of the vessel is provided with a small blind aperture into which a thermocouple can be inserted. The closed end of the vessel is inserted into an oven, preferably heated by standard nickel chrome electrical elements and having a heavily insulated exterior.

Morris, Donald E. (Kensington, CA)

1993-01-01T23:59:59.000Z

95

High pressure oxygen furnace  

DOE Patents (OSTI)

A high temperature high pressure oxygen furnace having a hybrid partially externally heated construction is disclosed. A metallic bar fabricated from an alloy having a composition of at least 45% nickel, 15% chrome, and 10% tungsten is utilized, the preferred alloy including 55% nickel, 22% chrome, 14% tungsten, 2% molybdenum, 3% iron (maximum) and 5% cobalt (maximum). The disclosed alloy is fabricated into 11/4 inch bar stock and has a length of about 17 inches. This bar stock is gun drilled for over 16 inches of its length with 0.400 inch aperture to define a closed high temperature, high pressure oxygen chamber. The opposite and closed end of the bar is provided with a small support aperture into which both a support and a thermocouple can be inserted. The closed end of the gun drilled bar is inserted into an oven, preferably heated by standard nickel chrome electrical elements and having a heavily insulated exterior. 5 figs.

Morris, D.E.

1992-07-14T23:59:59.000Z

96

High pressure oxygen furnace  

DOE Patents (OSTI)

A high temperature high pressure oxygen furnace having a hybrid partially externally heated construction is disclosed. A metallic bar fabricated from an alloy having a composition of at least 45% nickel, 15% chrome, and 10% tungsten is utilized (the preferred alloy including 55% nickel, 22% chrome, 14% tungsten, 2% molybdenum, 3% iron (maximum) and 5% cobalt (maximum). The disclosed alloy is fabricated into 11/4 inch bar stock and has a length of about 17 inches. This bar stock is gun drilled for over 16 inches of its length with 0.400 inch aperture to define a closed high temperature, high pressure oxygen chamber. The opposite and closed end of the bar is provided with a small support aperture into which both a support and a thermocouple can be inserted. The closed end of the gun drilled bar is inserted into an oven, preferably heated by standard nickel chrome electrical elements and having a heavily insulated exterior.

Morris, Donald E. (Kensington, CA)

1992-01-01T23:59:59.000Z

97

High pressure furnace  

DOE Patents (OSTI)

A high temperature high pressure furnace has a hybrid partially externally heated construction. A metallic vessel fabricated from an alloy having a composition of at least 45% nickel, 15% chrome, and 10% tungsten is utilized (the preferred alloy including 55% nickel, 22% chrome, 14% tungsten, 2% molybdenum, 3% iron (maximum) and 5% cobalt (maximum)). The disclosed alloy is fabricated into 11/4 or 2 inch, 32 mm or 50 mm bar stock and has a length of about 22 inches, 56 cm. This bar stock has an aperture formed therein to define a closed high temperature, high pressure oxygen chamber. The opposite and closed end of the vessel is provided with a small blind aperture into which a thermocouple can be inserted. The closed end of the vessel is inserted into an oven, preferably heated by standard nickel chrome electrical elements and having a heavily insulated exterior. 19 figures.

Morris, D.E.

1993-09-14T23:59:59.000Z

98

WaterFurnace Renewable Energy Inc formerly WaterFurnace Industries Inc WFI  

Open Energy Info (EERE)

WaterFurnace Renewable Energy Inc formerly WaterFurnace Industries Inc WFI WaterFurnace Renewable Energy Inc formerly WaterFurnace Industries Inc WFI Jump to: navigation, search Name WaterFurnace Renewable Energy Inc (formerly: WaterFurnace Industries, Inc (WFI)) Place Indiana Zip 46809 Sector Geothermal energy Product WaterFurnace develops and manufactures geothermal heating and cooling systems. References WaterFurnace Renewable Energy Inc (formerly: WaterFurnace Industries, Inc (WFI))[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. WaterFurnace Renewable Energy Inc (formerly: WaterFurnace Industries, Inc (WFI)) is a company located in Indiana . References ↑ "WaterFurnace Renewable Energy Inc (formerly: WaterFurnace Industries, Inc (WFI))"

99

Fossil fuel furnace reactor  

DOE Patents (OSTI)

A fossil fuel furnace reactor is provided for simulating a continuous processing plant with a batch reactor. An internal reaction vessel contains a batch of shale oil, with the vessel having a relatively thin wall thickness for a heat transfer rate effective to simulate a process temperature history in the selected continuous processing plant. A heater jacket is disposed about the reactor vessel and defines a number of independent controllable temperature zones axially spaced along the reaction vessel. Each temperature zone can be energized to simulate a time-temperature history of process material through the continuous plant. A pressure vessel contains both the heater jacket and the reaction vessel at an operating pressure functionally selected to simulate the continuous processing plant. The process yield from the oil shale may be used as feedback information to software simulating operation of the continuous plant to provide operating parameters, i.e., temperature profiles, ambient atmosphere, operating pressure, material feed rates, etc., for simulation in the batch reactor.

Parkinson, William J. (Los Alamos, NM)

1987-01-01T23:59:59.000Z

100

Variable frequency microwave furnace system  

DOE Patents (OSTI)

A variable frequency microwave furnace system designed to allow modulation of the frequency of the microwaves introduced into a furnace cavity for testing or other selected applications. The variable frequency microwave furnace system includes a microwave signal generator or microwave voltage-controlled oscillator for generating a low-power microwave signal for input to the microwave furnace. A first amplifier may be provided to amplify the magnitude of the signal output from the microwave signal generator or the microwave voltage-controlled oscillator. A second amplifier is provided for processing the signal output by the first amplifier. The second amplifier outputs the microwave signal input to the furnace cavity. In the preferred embodiment, the second amplifier is a traveling-wave tube (TWT). A power supply is provided for operation of the second amplifier. A directional coupler is provided for detecting the direction of a signal and further directing the signal depending on the detected direction. A first power meter is provided for measuring the power delivered to the microwave furnace. A second power meter detects the magnitude of reflected power. Reflected power is dissipated in the reflected power load. 5 figs.

Bible, D.W.; Lauf, R.J.

1994-06-14T23:59:59.000Z

Note: This page contains sample records for the topic "dehumidifiers dishwasher furnaces" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


101

Assessing Consumer Values and the Supply-Chain Market for the Integrated Water Heater/Dehumidifier  

SciTech Connect

This paper presents a case study of the potential market for the dual-service residential integrated water heater/dehumidifier (WHD). Its principal purpose is to evaluate the extent to which this integrated appliance might penetrate the residential market sector, given current market trends, producer and consumer attributes, and technical parameters. The report's secondary purpose is to gather background information leading to a generic framework for conducting market analyses of technologies. This framework can be used to assess market readiness as well as factor preferred product attributes into the design to drive consumer demand for this product. This study also supports analysis for prototype design. A full market analysis for potential commercialization should be conducted after prototype development. The integrated WHD is essentially a heat-pump water heater (HPWH) with components and controls that allow dedicated dehumidification. Adequate residential humidity control is a growing issue for newly constructed residential homes, which are insulated so well that mechanical ventilation may be necessary to meet fresh air requirements. Leveraging its successful experience with the energy-efficient design improvement for the residential HPWH, the Oak Ridge National Laboratory's (ORNL's) Engineering Science and Technology Division's (ESTD's) Building Equipment Group designed a water-heating appliance that combines HPWH efficiency with dedicated dehumidification. This integrated appliance could be a low-cost solution for dehumidification and efficient electric water heating. ORNL is partnering with Western Carolina University, Asheville-Buncombe Technical Community College, American Carolina Stamping Company, and Clemson University to develop this appliance and assess its market potential. For practical purposes, consumers are indifferent to how water is heated but are very interested in product attributes such as initial first cost, operating cost, performance, serviceability, product size, and installation costs. The principal drivers for penetrating markets are demonstrating reliability, leveraging the dehumidification attributes of the integrated WHD, and creating programs that embrace first-cost and life-cycle cost principles.

Ashdown, BG

2005-01-11T23:59:59.000Z

102

Furnace Blower Electricity: National and Regional Savings Potential  

E-Print Network (OSTI)

Inc. Pigg, Scott. 2003. Electricity Use by New Furnaces: Astage furnaces offer national electricity savings, but withABORATORY Furnace Blower Electricity: National and Regional

Franco, Victor; Florida Solar Energy Center

2008-01-01T23:59:59.000Z

103

Residential Two-Stage Gas Furnaces - Do They Save Energy?  

E-Print Network (OSTI)

Method for Measuring the Energy Consumption of Furnaces andcalculating the energy consumption of two-stage furnaces.residential gas furnace energy consumption in the DOE test

Lekov, Alex; Franco, Victor; Lutz, James

2006-01-01T23:59:59.000Z

104

Assessing Consumer Values and the Supply-Chain Market for the Integrated Water Heater/Dehumidifier  

SciTech Connect

This paper presents a case study of the potential market for the dual-service residential integrated water heater/dehumidifier (WHD). Its principal purpose is to evaluate the extent to which this integrated appliance might penetrate the residential market sector, given current market trends, producer and consumer attributes, and technical parameters. The report's secondary purpose is to gather background information leading to a generic framework for conducting market analyses of technologies. This framework can be used to assess market readiness as well as factor preferred product attributes into the design to drive consumer demand for this product. This study also supports analysis for prototype design. A full market analysis for potential commercialization should be conducted after prototype development. The integrated WHD is essentially a heat-pump water heater (HPWH) with components and controls that allow dedicated dehumidification. Adequate residential humidity control is a growing issue for newly constructed residential homes, which are insulated so well that mechanical ventilation may be necessary to meet fresh air requirements. Leveraging its successful experience with the energy-efficient design improvement for the residential HPWH, the Oak Ridge National Laboratory's (ORNL's) Engineering Science and Technology Division's (ESTD's) Building Equipment Group designed a water-heating appliance that combines HPWH efficiency with dedicated dehumidification. This integrated appliance could be a low-cost solution for dehumidification and efficient electric water heating. ORNL is partnering with Western Carolina University, Asheville-Buncombe Technical Community College, American Carolina Stamping Company, and Clemson University to develop this appliance and assess its market potential. For practical purposes, consumers are indifferent to how water is heated but are very interested in product attributes such as initial first cost, operating cost, performance, serviceability, product size, and installation costs. The principal drivers for penetrating markets are demonstrating reliability, leveraging the dehumidification attributes of the integrated WHD, and creating programs that embrace first-cost and life-cycle cost principles.

Ashdown, BG

2005-01-11T23:59:59.000Z

105

Wakefield Municipal Gas & Light Department - Residential Conservation...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

include programmable thermostats, clothes washers, dishwashers, room and central AC units, dehumidifiers, and water heaters. All appliances must be Energy Star labeled , with...

106

Wellesley Municipal Light Plant - Residential Energy Efficiency...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Refrigerator: 100 Clothes Washing Machine: 75 Central AC: 100 Room AC Unit: 50 Dishwasher: 75 Dehumidifier: 50 Wellesley Municipal Light Plant (WMLP) offers a number of...

107

Page not found | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Certain Consumer Products (Dishwashers, Dehumidifiers, Microwave Ovens, and Electric and Gas Kitchen Ranges and Ovens) http:energy.govnepadownloadsea-1662-final-environmental...

108

Missouri River Energy Services (23 Member Cooperatives) - Residential...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Rebate Program Rebate Amount Ceiling Fan: 25 Clothes Washer: 50 Decorative Light String: 3.50string (6 string limit) Dehumidifier: 10 Dishwasher: 25 Refrigerator: 50...

109

Furnaces and Boilers | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Furnaces and Boilers Furnaces and Boilers Furnaces and Boilers June 24, 2012 - 4:56pm Addthis Upgrading to a high efficiency furnace or boiler is an effective way to save money on home heating. Upgrading to a high efficiency furnace or boiler is an effective way to save money on home heating. What does this mean for me? To maintain your heating system's efficiency and ensure healthy indoor air quality, it's critical to maintain the unit and its venting mechanism. Proper maintenance extends the life of your furnace or boiler and saves you money. Most U.S. homes are heated with either furnaces or boilers. Furnaces heat air and distribute the heated air through the house using ducts. Boilers heat water, and provide either hot water or steam for heating. Steam is distributed via pipes to steam radiators, and hot water can be distributed

110

Measurement of airflow in residential furnaces  

E-Print Network (OSTI)

cut out of a piece of plywood that is attached to the inlet.the size of the furnace outlet cut in the plywood. ESLtaped the furnace to the plywood and strapped it in place.

Biermayer, Peter J.; Lutz, James; Lekov, Alex

2004-01-01T23:59:59.000Z

111

Furnace Systems Technology Workshop Brochure (PDF)  

Science Conference Proceedings (OSTI)

To register, visit the furnace systems technology ... transfer, atmospheres and purging requirements, effective control systems, and fuel efficiency, production...

112

Improving Comfort in Hot-Humid Climates with a Whole-House Dehumidifier, Windermere, Florida (Fact Sheet)  

SciTech Connect

Maintaining comfort in a home can be challenging in hot-humid climates. At the common summer temperature set point of 75 degrees F, the perceived air temperature can vary by 11 degrees F because higher indoor humidity reduces comfort. Often the air conditioner (AC) thermostat set point is lower than the desirable cooling level to try to increase moisture removal so that the interior air is not humid or "muggy." However, this method is not always effective in maintaining indoor relative humidity (RH) or comfort. In order to quantify the performance of a combined whole-house dehumidifier (WHD) AC system, researchers from the U.S. Department of Energy's Building America team Consortium of Advanced Residential Buildings (CARB) monitored the operation of two Lennox AC systems coupled with a Honeywell DH150 TrueDRY whole-house dehumidifier for a six-month period. By using a WHD to control moisture levels (latent cooling) and optimizing a central AC to control temperature (sensible cooling), improvements in comfort can be achieved while reducing utility costs. Indoor comfort for this study was defined as maintaining indoor conditions at below 60% RH and a humidity ratio of 0.012 lbm/lbm while at common dry bulb set point temperatures of 74 degrees -80 degrees F. In addition to enhanced comfort, controlling moisture to these levels can reduce the risk of other potential issues such as mold growth, pests, and building component degradation. Because a standard AC must also reduce dry bulb air temperature in order to remove moisture, a WHD is typically needed to support these latent loads when sensible heat removal is not desired.

Not Available

2013-11-01T23:59:59.000Z

113

Direct current, closed furnace silicon technology  

Science Conference Proceedings (OSTI)

The dc closed furnace technology for smelting silicon offers technical operating challenges, as well as, economic opportunities for off-gas recovery, reduced electrode consumption, reduced reductant oxidation losses, reduced energy consumption, and improved silicon recovery. The 10 mva dc closed furnace is located in East Selkirk, Manitoba. Construction of this pilot plant was started in September 1990. Following successful commissioning of the furnace in 1992, a number of smelting tests have been conducted aimed at optimization of the furnace operation and the raw material mix. The operation of a closed furnace is significantly different from an open furnace operation. The major difference being in the mechanical movement of the mix, off-gas recovery, and inability to observe the process. These differences made data collection and analysis critical in making operating decisions. This closed furnace was operated by computer control (state of the art in the smelling industry).

Dosaj, V.D. [Dow Corning Corp., Midland, MI (United States); May, J.B. [Dow Corning Corp., Freeland, MI (United States); Arvidson, A.N. [Meadow Materials, Manitoba (Canada)

1994-05-01T23:59:59.000Z

114

Open cycle liquid desiccant dehumidifier and hybrid solar/electric absorption refrigeration system. Annual report, January 1993--December 1993. Calendar year 1993  

DOE Green Energy (OSTI)

This annual report presents work performed during calendar year 1993 by the Florida Solar Energy Center under contract to the US Department of Energy. Two distinctively different solar powered indoor climate control systems were analyzed: the open cycle liquid desiccant dehumidifier, and an improved efficiency absorption system which may be fired by flat plate solar collectors. Both tasks represent new directions relative to prior FSEC research in Solar Cooling and Dehumidification.

Nimmo, B.G.; Thornbloom, M.D.

1995-04-01T23:59:59.000Z

115

Furnace and Boiler Basics | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Furnace and Boiler Basics Furnace and Boiler Basics Furnace and Boiler Basics August 16, 2013 - 2:50pm Addthis Furnaces heat air and distribute the heated air through a building using ducts; boilers heat water, providing either hot water or steam for heating. Furnaces Furnaces are the most common heating systems used in homes in the United States. They can be all electric, gas-fired (including propane or natural gas), or oil-fired. Boilers Boilers consist of a vessel or tank where heat produced from the combustion of such fuels as natural gas, fuel oil, or coal is used to generate hot water or steam. Many buildings have their own boilers, while other buildings have steam or hot water piped in from a central plant. Commercial boilers are manufactured for high- or low-pressure applications.

116

Ferrosilicon smelting in a direct current furnace  

DOE Patents (OSTI)

The present invention is a process for smelting ferrosilicon alloy. The process comprises adding a carbon source and tailings comprising oxides of silicon and iron to a substantially closed furnace. Heat is supplied to the furnace by striking a direct current arc between a cathode electrode and an anode functional hearth. In a preferred embodiment of the present invention, the cathode electrode is hollow and feed to the substantially closed furnace is through the hollow electrode. 1 figure.

Dosaj, V.D.; May, J.B.

1992-12-29T23:59:59.000Z

117

List of Furnaces Incentives | Open Energy Information  

Open Energy Info (EERE)

Furnaces Incentives Furnaces Incentives Jump to: navigation, search The following contains the list of 688 Furnaces Incentives. CSV (rows 1-500) CSV (rows 501-688) Incentive Incentive Type Place Applicable Sector Eligible Technologies Active AEP (Central and North) - CitySmart Program (Texas) Utility Rebate Program Texas Commercial Industrial Institutional Local Government Schools Boilers Central Air conditioners Chillers Comprehensive Measures/Whole Building Custom/Others pending approval Energy Mgmt. Systems/Building Controls Furnaces Heat pumps Lighting Lighting Controls/Sensors Motor VFDs Motors Roofs Windows Yes AEP (Central, North and SWEPCO) - Commercial Solutions Program (Texas) Utility Rebate Program Texas Commercial Industrial Institutional Local Government Nonprofit

118

Energy Control in Primary Aluminium Casthouse Furnaces  

Science Conference Proceedings (OSTI)

In order to effectively run a furnace with low energy consumption the burner's fuel ... Oxidation of Commercial Purity Aluminium Melts: An Experimental Study.

119

Dataplot Commands for Furnace Case Study  

Science Conference Proceedings (OSTI)

... variable label run Run Number variable label zone Furnace Location variable label wafer Wafer Number variable label filmthic Film Thickness (ang ...

2012-03-31T23:59:59.000Z

120

Blast Furnace Granulated Coal Injection System Demonstration...  

NLE Websites -- All DOE Office Websites (Extended Search)

2 Blast Furnace Granulated Coal Injection System Demonstration Project: A DOE Assessment June 2000 U. S. Department of Energy National Energy Technology Laboratory P.O. Box 880,...

Note: This page contains sample records for the topic "dehumidifiers dishwasher furnaces" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


121

Condensing furnaces: Lessons from a utility  

SciTech Connect

for the last several years about 90% of the new natural gas furnaces installed in Wisconsin have been condensing furnaces and a number of lessons have been learned. If you avoid the common mistakes, condensing furnaces typically can deliver heating savings of 20-35 % assuming the old furnace was in the 60% AFUE range. This article describes the common mistakes and how to avoid them: outside air needed 100%; benefits of sealed combustion; follow the installation manual scrupulously; how to avoid potential problems; tips on venting.

Beers, J. [Madison Gas and Electric Company, WI (United States)

1994-11-01T23:59:59.000Z

122

Measurement of airflow in residential furnaces  

SciTech Connect

In order to have a standard for furnaces that includes electricity consumption or for the efficiency of furnace blowers to be determined, it is necessary to determine the airflow of a furnace or furnace blower. This study focused on airflow testing, in order to determine if an existing test method for measuring blower airflow could be used to measure the airflow of a furnace, under conditions seen in actual installations and to collect data and insights into the operating characteristics of various types of furnace blowers, to use in the analysis of the electricity consumption of furnaces. Results of the measured airflow on furnaces with three types of blower and motor combinations are presented in the report. These included: (1) a forward-curved blower wheel with a typical permanent split capacitor (PSC) motor, (2) a forward-curved blower wheel with an electronically-commutated motor (ECM), and (3) a prototype blower, consisting of a backward-inclined blower wheel matched to an ECM motor prototype, which is being developed as an energy-saving alternative to conventional furnace blowers. The testing provided data on power consumption, static and total pressure, and blower speed.

Biermayer, Peter J.; Lutz, James; Lekov, Alex

2004-01-24T23:59:59.000Z

123

High Performance Sealing for Anode Baking Furnaces  

Science Conference Proceedings (OSTI)

Operation of an Open Type Anode Baking Furnace with a Temporary Crossover ... Wireless Communication for Secured Firing and Control Systems of Anode...

124

Energy Efficiency Improvement in Anode Baking Furnaces  

Science Conference Proceedings (OSTI)

One of the high energy consumption facilities in a smelter is the Anode Baking ... Hydro Aluminium's Historical Evolution of Closed Type Anode Baking Furnace...

125

VAPOR SHIELD FOR INDUCTION FURNACE  

DOE Patents (OSTI)

This patent relates to a water-cooled vapor shield for an inductlon furnace that will condense metallic vapors arising from the crucible and thus prevent their condensation on or near the induction coils, thereby eliminating possible corrosion or shorting out of the coils. This is accomplished by placing, about the top, of the crucible a disk, apron, and cooling jacket that separates the area of the coils from the interior of the cruclbIe and provides a cooled surface upon whlch the vapors may condense.

Reese, S.L.; Samoriga, S.A.

1958-03-11T23:59:59.000Z

126

Vertical two chamber reaction furnace  

DOE Patents (OSTI)

A vertical two chamber reaction furnace is disclosed. The furnace comprises a lower chamber having an independently operable first heating means for heating the lower chamber and a gas inlet means for admitting a gas to create an ambient atmosphere, and an upper chamber disposed above the lower chamber and having an independently operable second heating means for heating the upper chamber. Disposed between the lower chamber and the upper chamber is a vapor permeable diffusion partition. The upper chamber has a conveyor means for conveying a reactant there through. Of particular importance is the thallinating of long-length thallium-barium-calcium copper oxide (TBCCO) or barium-calcium-copper oxide (BCCO) precursor tapes or wires conveyed through the upper chamber to thereby effectuate the deposition of vaporized thallium (being so vaporized as the first reactant in the lower chamber at a temperature between about 700 and 800 C) on TBCCO or BCCO tape or wire (the second reactant) at its simultaneous annealing temperature in the upper chamber of about 800 to 950 C to thereby replace thallium oxide lost from TBCCO tape or wire because of the high annealing temperature or to deposit thallium on BCCO tape or wire. Continuously moving the tape or wire provides a single-step process that effectuates production of long-length TBCCO superconducting product. 2 figs.

Blaugher, R.D.

1999-03-16T23:59:59.000Z

127

Optimized Design of a Furnace Cooling System  

E-Print Network (OSTI)

This paper presents a case study of manufacturing furnace optimized re-design. The bottleneck in the production process is the cooling of heat treatment furnaces. These ovens are on an approximate 24-hour cycle, heating for 12 hours and cooling for 12 hours. Pressurized argon and process water are used to expedite cooling. The proposed modifications aim to minimize cycling by reducing cooling time; they are grouped into three fundamental mechanisms. The first is a recommendation to modify current operating procedures. This entails opening the furnace doors at higher than normal temperatures. A furnace temperature model based on current parameters is used to show the reduction in cooling time in response to opening the furnace doors at higher temperatures. The second mechanism considers the introduction of forced argon convection. Argon is used in the process to mitigate part oxidation. Cycling argon through the furnace during cooling increases convection over the parts and removes heat from the furnace envelope. Heat transfer models based on convective Nusselt correlations are used to determine the increase in heat transfer rate. The last mechanism considers a modification to the current heat exchanger. By decreasing the temperature of the water jacket and increasing heat exchanger efficiency, heat transfer from the furnace is increased and cooling time is shortened. This analysis is done using the Effectiveness-NTU method.

Morelli, F.; Bretschneider, R.; Dauzat, J.; Guymon, M.; Studebaker, J.; Rasmussen, B. P.

2013-01-01T23:59:59.000Z

128

Thermal Imaging Control of Furnaces and Combustors  

Science Conference Proceedings (OSTI)

The object if this project is to demonstrate and bring to commercial readiness a near-infrared thermal imaging control system for high temperature furnaces and combustors. The thermal imaging control system, including hardware, signal processing, and control software, is designed to be rugged, self-calibrating, easy to install, and relatively transparent to the furnace operator.

David M. Rue; Serguei Zelepouga; Ishwar K. Puri

2003-02-28T23:59:59.000Z

129

Precision control of high temperature furnaces  

DOE Patents (OSTI)

It is an object of the present invention to provide precision control of high temperature furnaces. It is another object of the present invention to combine the power of two power supplies of greatly differing output capacities in a single furnace. This invention combines two power supplies to control a furnace. A main power supply heats the furnace in the traditional manner, while the power from the auxiliary supply is introduced as a current flow through charged particles existing due to ionized gas or thermionic emission. The main power supply provides the bulk heating power and the auxiliary supply provides a precise and fast power source such that the precision of the total power delivered to the furnace is improved. Further, this invention comprises a means for high speed measurement of temperature of the process by the method of measuring the amount of current flow in a deliberately induced charged particle current.

Pollock, G.G.

1994-12-31T23:59:59.000Z

130

Building Technologies Office: Residential Furnaces and Boilers Framework  

NLE Websites -- All DOE Office Websites (Extended Search)

Residential Furnaces Residential Furnaces and Boilers Framework Meeting to someone by E-mail Share Building Technologies Office: Residential Furnaces and Boilers Framework Meeting on Facebook Tweet about Building Technologies Office: Residential Furnaces and Boilers Framework Meeting on Twitter Bookmark Building Technologies Office: Residential Furnaces and Boilers Framework Meeting on Google Bookmark Building Technologies Office: Residential Furnaces and Boilers Framework Meeting on Delicious Rank Building Technologies Office: Residential Furnaces and Boilers Framework Meeting on Digg Find More places to share Building Technologies Office: Residential Furnaces and Boilers Framework Meeting on AddThis.com... About Standards & Test Procedures Implementation, Certification & Enforcement

131

Insulation of Pipe Bends Improves Efficiency of Hot Oil Furnaces  

E-Print Network (OSTI)

Thermodynamic analyses of processes indicated low furnace efficiencies on certain hot oil furnaces. Further investigation, which included Infrared (IR) thermography testing of several furnaces, identified extremely hot surfaces on the outside of the convective sections. Consultation with the furnace manufacturer then revealed that furnaces made in the 1960's tended to not insulate the pipe bends in the convective section. When insulation was added within the covers of the pipe bends on one furnace, the energy efficiency improved by approximately 11%. The total savings are approximately 14,000 Million Btu/yr on one furnace. Insulation will be applied to several other furnaces at the site.

Haseltine, D. M.; Laffitte, R. D.

1999-05-01T23:59:59.000Z

132

Residential Energy Efficiency Rebates (Offered by 11 Utilities) |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Residential Residential Savings Category Heating & Cooling Cooling Commercial Heating & Cooling Appliances & Electronics Construction Heating Heat Pumps Commercial Lighting Lighting Water Heating Home Weatherization Windows, Doors, & Skylights Program Info State South Dakota Program Type Utility Rebate Program Rebate Amount Ceiling Fan: $25 Clothes Washer: $50 Decorative Light String: $3.50/string (6 string limit) Dehumidifier: $10 Dishwasher: $25 Refrigerator: $50 Room A/C: $15 Central A/C: $100 Furnace with ECM: $150 Air Handler with ECM: $150 Air-Source Heat Pump: $200 - $350 Geothermal Heat Pump: $200/ton Desuperheater: $250 Heat Pump Water Heaters: $300 Provider Missouri River Energy Services Bright Energy Solutions offers energy efficiency cash incentive programs to

133

Ladle Refining Furnaces for the Steel Industry  

Science Conference Proceedings (OSTI)

There has been a tremendous interest in the use of ladle refining furnaces in the last few years. Several units have been or are being constructed in the United States and most steel companies are seriously considering installing them. The purpose of this report is to inform the member companies of EPRI of the development and operations of ladle furnaces and to assist steel companies in determining if ladle furnaces fit their goals and which particular unit would be best for their operation. In this repo...

1990-01-31T23:59:59.000Z

134

Furnaces and Boilers | Department of Energy  

NLE Websites -- All DOE Office Websites (Extended Search)

and Boilers June 24, 2012 - 4:56pm Addthis Upgrading to a high efficiency furnace or boiler is an effective way to save money on home heating. Upgrading to a high efficiency...

135

Multiple hearth furnace for reducing iron oxide  

SciTech Connect

A multiple moving hearth furnace (10) having a furnace housing (11) with at least two moving hearths (20) positioned laterally within the furnace housing, the hearths moving in opposite directions and each moving hearth (20) capable of being charged with at least one layer of iron oxide and carbon bearing material at one end, and being capable of discharging reduced material at the other end. A heat insulating partition (92) is positioned between adjacent moving hearths of at least portions of the conversion zones (13), and is capable of communicating gases between the atmospheres of the conversion zones of adjacent moving hearths. A drying/preheat zone (12), a conversion zone (13), and optionally a cooling zone (15) are sequentially positioned along each moving hearth (30) in the furnace housing (11).

Brandon, Mark M. (Charlotte, NC); True, Bradford G. (Charlotte, NC)

2012-03-13T23:59:59.000Z

136

Optical Furnace offers improved semiconductor device ...  

This means that the furnace is almost immune to the contamination from hot walls of ... NREL 94-26 US 5,897,331 High Efficiency Low Cost Thin Film ...

137

Estimates of achievable potential for electricity efficiency improvements in U.S. residences  

E-Print Network (OSTI)

U.S. DOE, Dec 1990). (9) Dishwashers: DOE Level 3 standardFuture Standard DOE 5 Dishwasher DOE 3 Cooking Furnace FansClotheswasher Clothesdryer Dishwasher Cooking Notes: (1)

Brown, Richard

1993-01-01T23:59:59.000Z

138

Air Leakage of Furnaces and Air Handlers  

NLE Websites -- All DOE Office Websites (Extended Search)

Air Leakage of Furnaces and Air Handlers Air Leakage of Furnaces and Air Handlers Title Air Leakage of Furnaces and Air Handlers Publication Type Journal Article LBNL Report Number LBNL-5553E Year of Publication 2010 Authors Walker, Iain S., Mile Lubliner, Darryl J. Dickerhoff, and William W. Delp Journal 2010 ACEEE Summer Study on Energy Efficiency in Buildings The Climate for efficiency is now Date Published 08/2010 Abstract In recent years, great strides have been made in reducing air leakage in residential and to a lesser extent small commercial forced air duct systems. Several authorities have introduced low leakage limits for thermal distribution systems; for example, the State of California Energy Code for Buildings gives credit for systems that leak less than 6% of the total air flow at 25 Pa.

139

Waste Heat Recovery Submerged Arc Furnaces (SAF)  

E-Print Network (OSTI)

Submerged Arc Furnaces are used to produce high temperature alloys. These furnaces typically run at 3000F using high voltage electricity along with metallurgical carbon to reduce metal oxides to pure elemental form. The process as currently designed consumes power and fuel that yields an energy efficiency of approximately 40% (Total Btus required to reduce to elemental form/ Btu Input). The vast majority of heat is lost to the atmosphere or cooling water system. The furnaces can be modified to recover this heat and convert it to power. The system will then reduce the amount of purchased power by approximately 25% without any additional use of fuel. The cost of this power is virtually unchanged over the life of the project because of the use of capital to displace fuel consumed from the purchased power source.

O'Brien, T.

2008-01-01T23:59:59.000Z

140

Combustion Air Preheat on Steam Cracker Furnaces  

E-Print Network (OSTI)

Beginning in 1978, Exxon has started up nine large new steam cracking furnaces with various levels of air preheat, and has seven more under construction. Sources of heat have included process streams, flue gas and gas turbine exhaust. Several aspects of the technology employed have been patented in the U.S. and elsewhere. This paper discusses the use of process heat and gas turbine exhaust for air preheat to provide plant fuel savings of about 8% over and above a modern, fuel efficient alternative furnace without air preheat.

Kenney, W. F.

1983-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "dehumidifiers dishwasher furnaces" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


141

Control of energy use in a furnace  

Science Conference Proceedings (OSTI)

This patent describes, in a residential furnace of the type which is responsive to a thermostat and has an electronic ignitor, and a circulating air blower that May be operated on a continuous basis, an improved process of controlling the thermostat, electrical ignitor and blower in an ignition sequence of the furnace. It comprises: upon receiving a call for heat from a thermostat, checking to determine if the circulating air blower is on; if the blower is on, turning it off; and only after the blower is turned off, turning on the ignitor to initiate the combustion process.

Ballard, G.W.; Dempsey, D.J.

1990-01-02T23:59:59.000Z

142

Segmented ceramic liner for induction furnaces  

DOE Patents (OSTI)

A non-fibrous ceramic liner for induction furnaces is provided by vertically stackable ring-shaped liner segments made of ceramic material in a light-weight cellular form. The liner segments can each be fabricated as a single unit or from a plurality of arcuate segments joined together by an interlocking mechanism. Also, the liner segments can be formed of a single ceramic material or can be constructed of multiple concentric layers with the layers being of different ceramic materials and/or cellular forms. Thermomechanically damaged liner segments are selectively replaceable in the furnace. 5 figs.

Gorin, A.H.; Holcombe, C.E.

1994-07-26T23:59:59.000Z

143

Measure Guideline: High Efficiency Natural Gas Furnaces  

SciTech Connect

This Measure Guideline covers installation of high-efficiency gas furnaces. Topics covered include when to install a high-efficiency gas furnace as a retrofit measure, how to identify and address risks, and the steps to be used in the selection and installation process. The guideline is written for Building America practitioners and HVAC contractors and installers. It includes a compilation of information provided by manufacturers, researchers, and the Department of Energy as well as recent research results from the Partnership for Advanced Residential Retrofit (PARR) Building America team.

Brand, L.; Rose, W.

2012-10-01T23:59:59.000Z

144

Modeling Energy Consumption of Residential Furnaces and Boilers...  

NLE Websites -- All DOE Office Websites (Extended Search)

Energy Consumption of Residential Furnaces and Boilers in U.S. homes Title Modeling Energy Consumption of Residential Furnaces and Boilers in U.S. homes Publication Type Report...

145

Design and fabrication of a tin-sulfide annealing furnace  

E-Print Network (OSTI)

A furnace was designed and its heat transfer properties were analyzed for use in annealing thin-film tins-ulfide solar cells. Tin sulfide has been explored as an earth abundant solar cell material, and the furnace was ...

Lewis, Raymond, S.M. (Raymond A.) Massachusetts Institute of Technology

2011-01-01T23:59:59.000Z

146

Grate Furnace Combustion: A Submodel for the Solid Fuel Layer  

Science Conference Proceedings (OSTI)

The reduction of NOx-formation in biomass fired grate furnaces requires the development of numerical models. To represent the variety in scales and physical processes playing a role in the conversion, newly developed ... Keywords: Grate furnace, biomass, reverse combustion

H. A. Kuijk; R. J. Bastiaans; J. A. Oijen; L. P. Goey

2007-05-01T23:59:59.000Z

147

Furnace Blower Electricity: National and Regional Savings Potential  

E-Print Network (OSTI)

Ducts Total Electricity Consumption (kWh/year) ity ni x FrDucts Total Electricity Consumption (kWh/year) nt a ni x Fryear. Furnace blowers account for about 80% of the total furnace electricity consumption

Franco, Victor; Florida Solar Energy Center

2008-01-01T23:59:59.000Z

148

Dehumidifiers | Open Energy Information  

Open Energy Info (EERE)

source History View New Pages Recent Changes All Special Pages Semantic SearchQuerying Get Involved Help Apps Datasets Community Login | Sign Up Search Page Edit History Facebook...

149

Furnace Efficiency Energy and Throughput - Programmaster.org  

Science Conference Proceedings (OSTI)

About this Symposium. Meeting, 2011 TMS Annual Meeting & Exhibition. Symposium, Furnace Efficiency Energy and Throughput. Sponsorship, The Minerals...

150

The information furnace: consolidated home control  

Science Conference Proceedings (OSTI)

?The Information Furnace is a basement-installed PC-type device that integrates existing consumer home-control, infotainment, security and communication technologies to transparently provide accessible and value-added services. A modern home contains ... Keywords: Automation, Consumer electronics, Home-control, Multi-modal interfaces

Diomidis D. Spinellis

2003-05-01T23:59:59.000Z

151

Field Demonstration of the Thermostone III Electric Thermal Storage Furnace  

Science Conference Proceedings (OSTI)

Heat storage furnaces use low-cost, off-peak electricity to satisfy all of a customer's heating needs. This field demonstration showed that prototype heat storage furnaces maintained comfort under diverse climate conditions, usage patterns, and lengths of off-peak periods. In addition, these furnaces effectively shifted the load to off-peak hours.

1992-04-01T23:59:59.000Z

152

Technical support document: Energy conservation standards for consumer products: Dishwashers, clothes washers, and clothes dryers including: Environmental impacts; regulatory impact analysis  

SciTech Connect

The Energy Policy and Conservation Act as amended (P.L. 94-163), establishes energy conservation standards for 12 of the 13 types of consumer products specifically covered by the Act. The legislation requires the Department of Energy (DOE) to consider new or amended standards for these and other types of products at specified times. This Technical Support Document presents the methodology, data and results from the analysis of the energy and economic impacts of standards on dishwashers, clothes washers, and clothes dryers. The economic impact analysis is performed in five major areas: An Engineering Analysis, which establishes technical feasibility and product attributes including costs of design options to improve appliance efficiency. A Consumer Analysis at two levels: national aggregate impacts, and impacts on individuals. The national aggregate impacts include forecasts of appliance sales, efficiencies, energy use, and consumer expenditures. The individual impacts are analyzed by Life-Cycle Cost (LCC), Payback Periods, and Cost of Conserved Energy (CCE), which evaluate the savings in operating expenses relative to increases in purchase price; A Manufacturer Analysis, which provides an estimate of manufacturers' response to the proposed standards. Their response is quantified by changes in several measures of financial performance for a firm. An Industry Impact Analysis shows financial and competitive impacts on the appliance industry. A Utility Analysis that measures the impacts of the altered energy-consumption patterns on electric utilities. A Environmental Effects analysis, which estimates changes in emissions of carbon dioxide, sulfur oxides, and nitrogen oxides, due to reduced energy consumption in the home and at the power plant. A Regulatory Impact Analysis collects the results of all the analyses into the net benefits and costs from a national perspective. 47 figs., 171 tabs. (JF)

1990-12-01T23:59:59.000Z

153

Technical support document: Energy conservation standards for consumer products: Dishwashers, clothes washers, and clothes dryers including: Environmental impacts; regulatory impact analysis  

SciTech Connect

The Energy Policy and Conservation Act as amended (P.L. 94-163), establishes energy conservation standards for 12 of the 13 types of consumer products specifically covered by the Act. The legislation requires the Department of Energy (DOE) to consider new or amended standards for these and other types of products at specified times. This Technical Support Document presents the methodology, data and results from the analysis of the energy and economic impacts of standards on dishwashers, clothes washers, and clothes dryers. The economic impact analysis is performed in five major areas: An Engineering Analysis, which establishes technical feasibility and product attributes including costs of design options to improve appliance efficiency. A Consumer Analysis at two levels: national aggregate impacts, and impacts on individuals. The national aggregate impacts include forecasts of appliance sales, efficiencies, energy use, and consumer expenditures. The individual impacts are analyzed by Life-Cycle Cost (LCC), Payback Periods, and Cost of Conserved Energy (CCE), which evaluate the savings in operating expenses relative to increases in purchase price; A Manufacturer Analysis, which provides an estimate of manufacturers' response to the proposed standards. Their response is quantified by changes in several measures of financial performance for a firm. An Industry Impact Analysis shows financial and competitive impacts on the appliance industry. A Utility Analysis that measures the impacts of the altered energy-consumption patterns on electric utilities. A Environmental Effects analysis, which estimates changes in emissions of carbon dioxide, sulfur oxides, and nitrogen oxides, due to reduced energy consumption in the home and at the power plant. A Regulatory Impact Analysis collects the results of all the analyses into the net benefits and costs from a national perspective. 47 figs., 171 tabs. (JF)

Not Available

1990-12-01T23:59:59.000Z

154

Reduce Air Infiltration in Furnaces (English/Chinese) (Fact Sheet)  

Science Conference Proceedings (OSTI)

Chinese translation of the Reduce Air Infiltration in Furnaces fact sheet. Provides suggestions on how to improve furnace energy efficiency. Fuel-fired furnaces discharge combustion products through a stack or a chimney. Hot furnace gases are less dense and more buoyant than ambient air, so they rise, creating a differential pressure between the top and the bottom of the furnace. This differential, known as thermal head, is the source of a natural draft or negative pressure in furnaces and boilers. A well-designed furnace (or boiler) is built to avoid air leakage into the furnace or leakage of flue gases from the furnace to the ambient. However, with time, most furnaces develop cracks or openings around doors, joints, and hearth seals. These openings (leaks) usually appear small compared with the overall dimensions of the furnace, so they are often ignored. The negative pressure created by the natural draft (or use of an induced-draft fan) in a furnace draws cold air through the openings (leaks) and into the furnace. The cold air becomes heated to the furnace exhaust gas temperature and then exits through the flue system, wasting valuable fuel. It might also cause excessive oxidation of metals or other materials in the furnaces. The heat loss due to cold air leakage resulting from the natural draft can be estimated if you know four major parameters: (1) The furnace or flue gas temperature; (2) The vertical distance H between the opening (leak) and the point where the exhaust gases leave the furnace and its flue system (if the leak is along a vertical surface, H will be an average value); (3) The area of the leak, in square inches; and (4) The amount of operating time the furnace spends at negative pressure. Secondary parameters that affect the amount of air leakage include these: (1) The furnace firing rate; (2) The flue gas velocity through the stack or the stack cross-section area; (3) The burner operating conditions (e.g., excess air, combustion air temperature, and so on). For furnaces or boilers using an induced-draft (ID) fan, the furnace negative pressure depends on the fan performance and frictional losses between the fan inlet and the point of air leakage. In most cases, it would be necessary to measure or estimate negative pressure at the opening. The amount of air leakage, the heat lost in flue gases, and their effects on increased furnace or boiler fuel consumption can be calculated by using the equations and graphs given in Industrial Furnaces (see W. Trinks et al., below). Note that the actual heat input required to compensate for the heat loss in flue gases due to air leakage would be greater than the heat contained in the air leakage because of the effect of available heat in the furnace. For a high-temperature furnace that is not maintained properly, the fuel consumption increase due to air leakage can be as high as 10% of the fuel input.

Not Available

2011-10-01T23:59:59.000Z

155

Cascade Natural Gas - Commercial Efficiency Rebate Program (Washington...  

Open Energy Info (EERE)

Boilers, Building Insulation, Clothes Washers, Dishwasher, Doors, Furnaces, Steam-system upgrades, Water Heaters, Commercial Cooking Equipment, Food Service Equipment,...

156

Projected Regional Impacts of Appliance Efficiency Standards for the U.S. Residential Sector  

E-Print Network (OSTI)

Heating Equipment, Mobile Home Furnaces, Kitchen Ranges and Ovens,heating, dishwasher motor, domes dryer, gas range and gas oven

Koomey, J.G.

2010-01-01T23:59:59.000Z

157

Energy Efficient Home Improvements Tax Credit (Michigan) | Open...  

Open Energy Info (EERE)

Insulation, Clothes Washers, Dishwasher, Furnaces, Refrigerators, Water Heaters, Windows Active Incentive No Incentive Inactive Date 01010212 Implementing Sector State...

158

Gas-Fired Boilers and Furnaces | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Gas-Fired Boilers and Furnaces Gas-Fired Boilers and Furnaces Gas-Fired Boilers and Furnaces May 16, 2013 - 4:36pm Addthis A residential natural gas meter. A residential natural gas meter. What does this mean for me? Your gas boiler or furnace may be oversized, particularly if you've upgraded the energy efficiency of your home. Your gas boiler or furnace can be retrofitted to improve its energy efficiency. Gas boilers and furnaces can be fueled by either natural gas or propane with simple modifications accounting for the different characteristics of the fuels. Propane is usually more expensive as a fuel, but is available throughout the United States. Natural gas supplies depend on having a natural gas distribution system in your area, and areas at the end of the pipeline (such as the Northeast) tend to pay higher prices for natural gas.

159

Gas-Fired Boilers and Furnaces | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Gas-Fired Boilers and Furnaces Gas-Fired Boilers and Furnaces Gas-Fired Boilers and Furnaces May 16, 2013 - 4:36pm Addthis A residential natural gas meter. A residential natural gas meter. What does this mean for me? Your gas boiler or furnace may be oversized, particularly if you've upgraded the energy efficiency of your home. Your gas boiler or furnace can be retrofitted to improve its energy efficiency. Gas boilers and furnaces can be fueled by either natural gas or propane with simple modifications accounting for the different characteristics of the fuels. Propane is usually more expensive as a fuel, but is available throughout the United States. Natural gas supplies depend on having a natural gas distribution system in your area, and areas at the end of the pipeline (such as the Northeast) tend to pay higher prices for natural gas.

160

Assessment of selected furnace technologies for RWMC waste  

SciTech Connect

This report provides a description and initial evaluation of five selected thermal treatment (furnace) technologies, in support of earlier thermal technologies scoping work for application to the Idaho National Engineering Laboratory Radioactive Waste Management Complex (RWMC) buried wastes. The cyclone furnace, molten salt processor, microwave melter, ausmelt (fuel fired lance) furnace, and molten metal processor technologies are evaluated. A system description and brief development history are provided. The state of development of each technology is assessed, relative to treatment of RWMC buried waste.

Batdorf, J.; Gillins, R. [Science Applications International Corp., Idaho Falls, ID (United States); Anderson, G.L. [EG and G Idaho, Inc., Idaho Falls, ID (United States)

1992-03-01T23:59:59.000Z

Note: This page contains sample records for the topic "dehumidifiers dishwasher furnaces" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


161

Buildings Energy Data Book: 9.1 ENERGY STAR  

Buildings Energy Data Book (EERE)

6 6 Specification Dates for ENERGY STAR-Labeled HVAC and Residential Appliances Heating and Cooling Equipment Dates of updated specification Central AC 1995 2002, 2006, 2009 Air-Source Heat Pumps 1995 2002, 2006, 2009 Oil Furnaces 1995 2006, 2008, 2012, 2013 Gas Furnaces 1995 2006, 2008, 2012, 2013 Programable Thermostats - Gas Boilers 1996 2002 Oil Boilers 1996 2002 Gas-Fired Heat Pumps - Geothermal Heat Pumps 2001 2009, 2011, 2012 Ventilating Fans 2001 2003, 2009, 2012 Ceiling Fans 2001 2003, 2006, 2009, 2012 Light Commercial HVAC 2002 2004, 2010, 2011 Residential Appliances Dishwashers 1996 2001, 2007, 2009, 2011, 2012, 2014 Room AC 1996 2000, 2003, 2005 Refrigerators 1996 2001, 2003, 2004, 2008 Clothes Washers 1997 2001, 2004, 2007, 2009, 2011 Dehumidifiers 2001 2006, 2008 Freezers 2004 2008 Air Cleaners

162

Energy Conmation Program tor  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

44086 Federal Register / Vol. 45, No. 127 / Monday. J 44086 Federal Register / Vol. 45, No. 127 / Monday. J u n e 30, 1980 / Proposed Rules 10 CFR Part 430 room air conditioners, home hetliing impact of setting energy efficiency Energy Conmation Program tor equipment, not including furnaces. standards for the ninefypes of Consumer Products kitchen ranges and ovens, central air consumer products covered by the conditioners (cooling only), and notice. Subsequent to publication of this AOECR Deportment o f Energy. furnaces. Stundards for dishwashers, odvance not;,e, advunce notices were A ~ N : Notice of availability of television sets, clothes washers. and published indicating that POE is environmental assessment and finding humidifiera and dehumidifiers are considering energy efficiency staodilrds of no significant impact.

163

BPM Motors in Residential Gas Furnaces: What are the Savings...  

NLE Websites -- All DOE Office Websites (Extended Search)

or a Brushless Permanent Magnet (BPM) motor. Blowers account for the majority of furnace electricity consumption. Therefore, accurate determination of the blower electricity...

164

Recovering Zinc and Lead from Electric Arc Furnace Dust  

Science Conference Proceedings (OSTI)

Aug 1, 2000 ... Non-member price: 25.00. TMS Student Member price: 10.00. Product In Stock. Description Increasing amounts of electric arc furnace dust...

165

Improved Furnace Efficiency through the Use of Refractory Materials  

Science Conference Proceedings (OSTI)

... refractory users, and academic institutions, to improve energy efficiency of U.S. industry through increased furnace efficiency brought about by the employment...

166

Furnace Efficiency Energy and Throughput - Programmaster.org  

Science Conference Proceedings (OSTI)

Since throughput and energy efficiency are very closely tied together, this symposium looks to optimize furnace operations in both areas. Specific methods to...

167

Biological Kraft Chemical Recycle for Augmentation of Recovery Furnace Capacity  

DOE Green Energy (OSTI)

The chemicals used in pulping of wood by the kraft process are recycled in the mill in the recovery furnace, which oxidizes organics while simultaneously reducing sulfate to sulfide. The recovery furnace is central to the economical operation of kraft pulp mills, but it also causes problems. The total pulp production of many mills is limited by the recovery furnace capacity, which cannot easily be increased. The furnace is one of the largest sources of air pollution (as reduced sulfur compounds) in the kraft pulp mill.

Stuart E. Strand

2001-12-06T23:59:59.000Z

168

Energy Efficient Operation of Secondary Aluminum Melting Furnaces  

Science Conference Proceedings (OSTI)

Jun 1, 2007 ... Energy Efficient Operation of Secondary Aluminum Melting Furnaces by P.E. King, J.J. Hatem, and B.M. Golchert...

169

The Comparison between Vertical Shaft Furnace and Rotary Kiln for ...  

Science Conference Proceedings (OSTI)

Therefore, calcination of coke used for aluminum reduction by vertical shaft furnace is more competitive based on the existing quality of the green petroleum ...

170

Biomass Boiler and Furnace Emissions and Safety Regulations in...  

Open Energy Info (EERE)

in the Northeast States Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Biomass Boiler and Furnace Emissions and Safety Regulations in the Northeast States Agency...

171

Residential Two-Stage Gas Furnaces - Do They Save Energy?  

E-Print Network (OSTI)

Air-Handler Efficiency. ASHRAE Transactions, V. 110, Pt.1,Air Heating System Performance. ASHRAE Transactions, V. 104,Furnace Air Handlers Save? , ASHRAE Transactions, V. 110,

Lekov, Alex; Franco, Victor; Lutz, James

2006-01-01T23:59:59.000Z

172

NRELs Optical Furnace Technology Sparks Solar Industry Interest  

NREL Principal Engineer Bhushan Sopori has fired up an optical furnace he developed to efficiently fabricate solar cells. Credit: Ray David, NREL

173

Breakthrough Furnace Can Cut Solar Industry Costs (Fact Sheet)  

SciTech Connect

A game-changing Optical Cavity Furnace (OCF), developed by NREL, uses optics to heat and purify solar cells at unmatched precision, while also boosting the cells' efficiency.

Not Available

2013-08-01T23:59:59.000Z

174

Induction Furnace Quench & Temper of Oil Field Tubular Goods  

Science Conference Proceedings (OSTI)

Because of the unique operating features of an induction furnace, each pipe is individually heat treated, producing more uniform properties than possible with...

175

140th Annual Meeting & Exhibition Furnace Efficiency Energy and ...  

Science Conference Proceedings (OSTI)

140th Annual Meeting & Exhibition. February 27 to March 3, 2011. San Diego Convention Center San Diego, California USA. Furnace Efficiency Energy and ...

176

Effect Of Batch Charging Equipment On Glass Furnace Efficiency  

Science Conference Proceedings (OSTI)

This paper investigates the effects of batch pattern in the melt space caused by charging equipment on the energy efficiency of the furnace focusing on the...

177

The Limitations of CFD Modeling for Furnace Atmosphere ... - TMS  

Science Conference Proceedings (OSTI)

Feb 1, 2002 ... The Limitations of CFD Modeling for Furnace Atmosphere Troubleshooting by P.F. Stratton, N. Saxena and M. Huggahalli...

178

Maximum Rate of Pulverized Coal Injection into Blast Furnace with ...  

Science Conference Proceedings (OSTI)

The pulverized coal consumption efficiency is determined by means of microscopic and chemical analysis. The carbon structure of coke fines in the blast furnace...

179

Furnace Blower Electricity: National and Regional Savings Potential  

E-Print Network (OSTI)

cooling operation or standby, which account for a largethe cooling season, and standby. Furnace electricity use isElectricity Use during Standby PE standby Burner Operating

Franco, Victor; Florida Solar Energy Center

2008-01-01T23:59:59.000Z

180

Development of Reverberatory Furnace Using in Copper Scrape ...  

Science Conference Proceedings (OSTI)

... Furnace Using in Copper Scrape Smelting by Reformed Natural Gas ... Oxidation Kinetics of Fe-Cr and Fe-V liquid Alloys under Controlled Oxygen Pressures.

Note: This page contains sample records for the topic "dehumidifiers dishwasher furnaces" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


181

Alloys for Ethylene Production Furnaces - Energy Innovation Portal  

Ethylene production is one of the most energy intensive processes in the chemical industry, due to the decoking necessary to maintain ethylene furnace ...

182

Control of carbon balance in a silicon smelting furnace  

DOE Patents (OSTI)

The present invention is a process for the carbothermic reduction of silicon dioxide to form elemental silicon. Carbon balance of the process is assessed by measuring the amount of carbon monoxide evolved in offgas exiting the furnace. A ratio of the amount of carbon monoxide evolved and the amount of silicon dioxide added to the furnace is determined. Based on this ratio, the carbon balance of the furnace can be determined and carbon feed can be adjusted to maintain the furnace in carbon balance.

Dosaj, V.D.; Haines, C.M.; May, J.B.; Oleson, J.D.

1992-12-29T23:59:59.000Z

183

Economics of Residential Gas Furnaces and Water Heaters in United...  

NLE Websites -- All DOE Office Websites (Extended Search)

single-family home construction market, the choice of what gas furnace and gas water heater combination to install is primarily driven by first cost considerations. In this...

184

Appliances and Commercial Equipment Standards  

NLE Websites -- All DOE Office Websites (Extended Search)

Dishwashers, Dehumidifiers, and Conventional Cooking Products Standby Mode and Off Mode Test Procedure Dishwashers, Dehumidifiers, and Conventional Cooking Products Standby Mode and Off Mode Test Procedure Sign up for e-mail updates on regulations for this and other products The Department of Energy (DOE) is amending its test procedures for residential dishwashers, dehumidifiers, and conventional cooking products (kitchen ranges and ovens) to provide for measurement of standby mode and off mode energy use by these products. This activity is mandated by the Energy Policy and Conservation Act (EPCA). This Rulemaking is related to the Residential Dishwashers and Residential Dehumidifiers Standard and Test Procedure. Recent Updates | Public Meeting Information | Submitting Public Comments | Milestones and Documents | Related Rulemakings | Statutory Authority | Contact Information

185

Post combustion trials at Dofasco's KOBM furnace  

DOE Green Energy (OSTI)

Post combustion trials were conducted at Dofasco's 300 tonne KOBM furnace as part of the AISI Direct Steelmaking Program. The purpose of the project work was to measure the post combustion ratio (PCR) and heat transfer efficiency (HTE) of the post combustion reaction in a full size steelmaking vessel. A method of calculating PCR and HTE using off gas analysis and gas temperature was developed. The PCR and HTE were determined under normal operating conditions. Trials assessed the effect of lance height, vessel volume, foaming slag and pellet additions on PCR and HTE.

Farrand, B.L.; Wood, J.E.; Goetz, F.J.

1992-01-01T23:59:59.000Z

186

Comparison of Furnace Flue Gas Temperature Monitors  

Science Conference Proceedings (OSTI)

This report summarizes the results of a temperature monitor comparison study performed at Ameren Sioux Station, in Missouri. The study compared the accuracy and ease of use of two radiation-based monitors, an Infra-View and SpectraTemp, and a newer tunable-diode laser (TDL) absorption-based device, the LTS-100. The instruments, installed in the upper furnace and allowed to run continuously for approximately 8 weeks, monitored and recorded exit gas temperatures during normal boiler operation and one brief...

2006-09-22T23:59:59.000Z

187

Molten metal holder furnace and casting system incorporating the molten metal holder furnace  

DOE Patents (OSTI)

A bottom heated holder furnace (12) for containing a supply of molten metal includes a storage vessel (30) having sidewalls (32) and a bottom wall (34) defining a molten metal receiving chamber (36). A furnace insulating layer (42) lines the molten metal receiving chamber (36). A thermally conductive heat exchanger block (54) is located at the bottom of the molten metal receiving chamber (36) for heating the supply of molten metal. The heat exchanger block (54) includes a bottom face (65), side faces (66), and a top face (67). The heat exchanger block (54) includes a plurality of electrical heaters (70) extending therein and projecting outward from at least one of the faces of the heat exchanger block (54), and further extending through the furnace insulating layer (42) and one of the sidewalls (32) of the storage vessel (30) for connection to a source of electrical power. A sealing layer (50) covers the bottom face (65) and side faces (66) of the heat exchanger block (54) such that the heat exchanger block (54) is substantially separated from contact with the furnace insulating layer (42).

Kinosz, Michael J. (Apollo, PA); Meyer, Thomas N. (Murrysville, PA)

2003-02-11T23:59:59.000Z

188

Heat pipes and use of heat pipes in furnace exhaust  

DOE Patents (OSTI)

An array of a plurality of heat pipe are mounted in spaced relationship to one another with the hot end of the heat pipes in a heated environment, e.g. the exhaust flue of a furnace, and the cold end outside the furnace. Heat conversion equipment is connected to the cold end of the heat pipes.

Polcyn, Adam D. (Pittsburgh, PA)

2010-12-28T23:59:59.000Z

189

Application of Regenerative Combustion Technology on Reheating Furnace in PISCO  

Science Conference Proceedings (OSTI)

The key features of the regenerative combustion technology were introduced and its application in the reheating furnace of Rail & Beam plant of PISCOPanzhihua Iron & Steel Co.was discussedComparedwith the traditional combustion technologythe ... Keywords: Regenerative Style, Combustion Technology, Reheating Furnace, Energy Conservation

Chen Yong; Pan Hong; Xue Nianfu

2011-02-01T23:59:59.000Z

190

Business Case for Energy Efficiency in Support of Climate Change Mitigation, Economic and Societal Benefits in the United States  

E-Print Network (OSTI)

Power, Televisions, Electric Ovens, Space Heating and WaterHeatingEquipment Dishwashers DVDPlayersandRecorders ExternalPowerSupplies Furnaces FurnaceFans MicrowaveOvens

Bojda, Nicholas

2011-01-01T23:59:59.000Z

191

ENERGY STAR Qualified Gas Furnaces | Data.gov  

NLE Websites -- All DOE Office Websites (Extended Search)

Gas Furnaces Gas Furnaces Consumer Data Apps Challenges Resources About Blogs Let's Talk Feedback Consumer You are here Data.gov » Communities » Consumer » Data ENERGY STAR Qualified Gas Furnaces Dataset Summary Description Gas Furnaces that have earned the ENERGY STAR are more efficient than standard models. ENERGY STAR is the trusted symbol for energy efficiency helping consumers save money and protect the environment through energy-efficient products and practices. More information on ENERGY STAR is available at www.energystar.gov. Tags {Furnaces,"Energy Star",products,"energy efficiency",efficient,"greenhouse gas emissions",climate,utility,utilities,household,savings,labels,partners,certification} Dataset Ratings Overall 0 No votes yet Data Utility

192

Furnace Standards Enforcement Policy Statement | Department of Energy  

NLE Websites -- All DOE Office Websites (Extended Search)

Furnace Standards Enforcement Policy Statement Furnace Standards Enforcement Policy Statement Furnace Standards Enforcement Policy Statement On January 11, 2013, the Department of Justice, on behalf of DOE, and the American Public Gas Association (APGA) filed a joint motion asking the court to enter an agreement to settle APGA's challenge to DOE's June 27, 2011 Direct Final Rule. The settlement agreement would, among other things, vacate the energy conservation standards applicable to non-weatherized gas furnaces established in the DFR. In an exercise of its enforcement discretion, DOE will, during the pendency of the litigation, act in a manner consistent with the terms of the settlement agreement with regard to the enforcement of the standards. Furnace Standards Enforcement Policy Statement - April 5, 2013

193

Method of operating a centrifugal plasma arc furnace  

DOE Patents (OSTI)

A centrifugal plasma arc furnace is used to vitrify contaminated soils and other waste materials. An assessment of the characteristics of the waste is performed prior to introducing the waste into the furnace. Based on the assessment, a predetermined amount of iron is added to each batch of waste. The waste is melted in an oxidizing atmosphere into a slag. The added iron is oxidized into Fe{sub 3}O{sub 4}. Time of exposure to oxygen is controlled so that the iron does not oxidize into Fe{sub 2}O{sub 3}. Slag in the furnace remains relatively non-viscous and consequently it pours out of the furnace readily. Cooled and solidified slag produced by the furnace is very resistant to groundwater leaching. The slag can be safely buried in the earth without fear of contaminating groundwater. 3 figs.

Kujawa, S.T.; Battleson, D.M.; Rademacher, E.L. Jr.; Cashell, P.V.; Filius, K.D.; Flannery, P.A.; Whitworth, C.G.

1998-03-24T23:59:59.000Z

194

Simple Maintenance Saves Costly Furnace Repair/Replacement | Department of  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Simple Maintenance Saves Costly Furnace Repair/Replacement Simple Maintenance Saves Costly Furnace Repair/Replacement Simple Maintenance Saves Costly Furnace Repair/Replacement January 6, 2010 - 8:26am Addthis Chris Stewart Senior Communicator at DOE's National Renewable Energy Laboratory For the past few weeks, my forced-air gas furnace has been on the fritz. I blame this on the fact that I haven't been as diligent as I should have been with regular furnace maintenance, which includes: Checking the condition of the vent connection pipe and chimney Checking the physical integrity of the heat exchanger Adjusting the controls to provide optimum water and air temperature settings for both efficiency and comfort Having a technician perform a combustion-efficiency test Checking the combustion chamber for cracks. Testing for carbon monoxide

195

Life-cycle cost analysis of energy efficiency design options for residential furnaces and boilers  

E-Print Network (OSTI)

1 FURNACE AND BOILER TECHNOLOGY19 Furnace and Boiler Lifetimes Used in the LCC Analysis (PBP RESULTS FOR GAS BOILERS USING ALTERNATIVE INSTALLATION

Lutz, James; Lekov, Alex; Whitehead, Camilla Dunham; Chan, Peter; Meyers, Steve; McMahon, James

2004-01-01T23:59:59.000Z

196

Strategic evaluation of investments in coal-dust fuel for blast furnaces  

SciTech Connect

The paper discusses the evaluation of venture investment projects in pulverized coal injection into blast furnaces.

S.V. Bogdanov; S.M. Kornilaev [State University of Management, Moscow (Russian Federation)

2009-07-01T23:59:59.000Z

197

Covered Product Category: Residential Gas Furnaces | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Gas Furnaces Gas Furnaces Covered Product Category: Residential Gas Furnaces October 7, 2013 - 10:39am Addthis ENERGY STAR Qualified Products FEMP provides acquisition guidance across a variety of product categories, including residential gas furnaces, which are an ENERGY STAR®-qualified product category. Federal laws and executive orders mandate that agencies meet these efficiency requirements in all procurement and acquisition actions that are not specifically exempted by law. Most manufacturers display the ENERGY STAR label on complying models. For a model not displaying this label, check the manufacturer's literature to determine if it meets the efficiency requirements outlined by ENERGY STAR. Performance Requirements for Federal Purchases For the most up-to-date efficiency levels required by ENERGY STAR, look for

198

Legendary West Virginia Senior Citizen Stays Warm With New Furnace |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Legendary West Virginia Senior Citizen Stays Warm With New Furnace Legendary West Virginia Senior Citizen Stays Warm With New Furnace Legendary West Virginia Senior Citizen Stays Warm With New Furnace April 1, 2010 - 7:16pm Addthis Joshua DeLung For the last 56 years, Beulah Sisk has lived in the same house in Princeton, W.Va. Beulah, who worked for 25 years at Lloyd's Pastry Shop, is well known in Princeton. People still see her on the streets today and recognize her as an icon in the community. After a wind storm damaged Beulah's home last year, it came as no surprise when a senior center employee, concerned for Beulah's safety, told her about the weatherization assistance program. "A tree fell on my house and damaged a lot of things, including my furnace," Beulah says. "I tried to have it repaired, but it still

199

Oil-Fired Boilers and Furnaces | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Oil-Fired Boilers and Furnaces Oil-Fired Boilers and Furnaces Oil-Fired Boilers and Furnaces May 16, 2013 - 3:15pm Addthis Diagram of an oil boiler. New tanks are generally double-wall or have a spill container built underneath to reduce the chances of an oil spill. Typically, the tank drip pan shown here is required only for single-wall tanks and would extend the full width of the tank. | Photo courtesy State of Massachusetts. Diagram of an oil boiler. New tanks are generally double-wall or have a spill container built underneath to reduce the chances of an oil spill. Typically, the tank drip pan shown here is required only for single-wall tanks and would extend the full width of the tank. | Photo courtesy State of Massachusetts. What does this mean for me? If you have an oil furnace or boiler, you can now burn oil blended

200

Oil-Fired Boilers and Furnaces | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Oil-Fired Boilers and Furnaces Oil-Fired Boilers and Furnaces Oil-Fired Boilers and Furnaces May 16, 2013 - 3:15pm Addthis Diagram of an oil boiler. New tanks are generally double-wall or have a spill container built underneath to reduce the chances of an oil spill. Typically, the tank drip pan shown here is required only for single-wall tanks and would extend the full width of the tank. | Photo courtesy State of Massachusetts. Diagram of an oil boiler. New tanks are generally double-wall or have a spill container built underneath to reduce the chances of an oil spill. Typically, the tank drip pan shown here is required only for single-wall tanks and would extend the full width of the tank. | Photo courtesy State of Massachusetts. What does this mean for me? If you have an oil furnace or boiler, you can now burn oil blended

Note: This page contains sample records for the topic "dehumidifiers dishwasher furnaces" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


201

DOE Increases Energy Efficiency Standards for Residential Furnaces &  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

DOE Increases Energy Efficiency Standards for Residential Furnaces DOE Increases Energy Efficiency Standards for Residential Furnaces & Boilers DOE Increases Energy Efficiency Standards for Residential Furnaces & Boilers November 19, 2007 - 4:31pm Addthis WASHINGTON, DC - The U.S. Department of Energy (DOE) today announced it has increased the energy efficiency standards for residential furnaces and boilers, underscoring the Department's commitment to meet its aggressive, five-year appliance standard rulemaking schedule, as established in its January 31, 2006, Report to Congress. The Department estimates that these amended standards, which become effective in 2015, will save the equivalent of the total amount of energy consumed by 2.5 million American households in one year, or approximately 0.25 quadrillion (10x15) British thermal

202

Gas-Fired Boilers and Furnaces | Department of Energy  

NLE Websites -- All DOE Office Websites (Extended Search)

gas meter. A residential natural gas meter. What does this mean for me? Your gas boiler or furnace may be oversized, particularly if you've upgraded the energy efficiency of...

203

Residential Two-Stage Gas Furnaces - Do They Save Energy?  

E-Print Network (OSTI)

DOE and 2006 ASHRAE Test Procedures Furnace Controls Household Heating Requirementsprocedure (DOE 2004; Habart 2005) Heating Requirements areIn the DOE test procedure, the heating requirements of the

Lekov, Alex; Franco, Victor; Lutz, James

2006-01-01T23:59:59.000Z

204

Furnace characterization for horizontal shipping container thermal testing  

SciTech Connect

In order to perform regulatory thermal tests required by 10 CFR 71.73(c)(3) on the newly designed Horizontal Shipping Container (HSC), it was necessary to find a company involved in the business of heat treating who was willing to allow their furnace to be used for these tests. Of the companies responding to a request for interest, Lindberg Heat Treating Company`s Solon, Ohio, facility was found to be the best available vendor for this activity. Their furnace was instrumented and characterized such that these tests could be performed in a manner that would conform to the specifications contained in 10 CFR 71. It was found that Lindberg`s furnace was usable for this task, and recommendations concerning the use of this furnace for the above stated purpose are made herein.

Feldman, M.R.

1994-05-01T23:59:59.000Z

205

Effect of Batch Initial Velocity on the Glass Furnace Efficiency  

Science Conference Proceedings (OSTI)

There is a direct coloration between the batch distribution techniques and the furnace ... A Review: Solar Thermal Reactors for Materials Production ... Cellulose Acetate Membranes for CO2 Separation from Water-gas-shift Reaction Products.

206

EOI, Electric Tube Conversion Furnaces | Y-12 National Security...  

NLE Websites -- All DOE Office Websites (Extended Search)

Tube ... EOI, Electric Tube Conversion Furnaces B&W Y-12, LLC (hereafter known as "Y-12"; for additional company information, see the website), acting under its Prime Contract No....

207

Optical processing furnace with quartz muffle and diffuser ...  

An optical furnace for annealing a process wafer comprising a source of optical energy, a quartz muffle having a door to hold the wafer for processing, and a quartz ...

208

Development of the Household Sample for Furnace and Boiler Life...  

NLE Websites -- All DOE Office Websites (Extended Search)

households in the country. The data sample provides the household energy consumption and energy price inputs to the life-cycle cost analysis segment of the furnace and boiler...

209

System for generating power with top pressure of blast furnaces  

SciTech Connect

A system for generating power with the top pressure of a plurality of blast furnaces by leading a gas from the top of the furnaces into turbines, corresponding in number to the furnaces, to convert the pressure of the gas into rotational energy and generate power by a generator coupled to the turbines. The turbines connected to the furnaces by main gas channels individually are aligned with their rotor shafts connected together into a single shaft which is connected to the generator. Preferably each pair of the adjacent turbines are arranged with their intake ends positioned in the center of the arrangement so that the gas flows toward the exhaust ends at both sides, or with their intake ends positioned at both sides to cause the gas to flow toward the exhaust ends in the center. The single shaft connecting the pair of turbines together has no intermediate bearing between these turbines.

Kihara, H.; Mizota, T.; Ohmachi, M.; Takao, K.; Toki, K.; Tomita, Y.

1983-06-14T23:59:59.000Z

210

DOE Increases Energy Efficiency Standards for Residential Furnaces &  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

DOE Increases Energy Efficiency Standards for Residential Furnaces DOE Increases Energy Efficiency Standards for Residential Furnaces & Boilers DOE Increases Energy Efficiency Standards for Residential Furnaces & Boilers November 19, 2007 - 4:31pm Addthis WASHINGTON, DC - The U.S. Department of Energy (DOE) today announced it has increased the energy efficiency standards for residential furnaces and boilers, underscoring the Department's commitment to meet its aggressive, five-year appliance standard rulemaking schedule, as established in its January 31, 2006, Report to Congress. The Department estimates that these amended standards, which become effective in 2015, will save the equivalent of the total amount of energy consumed by 2.5 million American households in one year, or approximately 0.25 quadrillion (10x15) British thermal

211

Residential Two-Stage Gas Furnaces - Do They Save Energy?  

SciTech Connect

Residential two-stage gas furnaces account for almost a quarter of the total number of models listed in the March 2005 GAMA directory of equipment certified for sale in the United States. Two-stage furnaces are expanding their presence in the market mostly because they meet consumer expectations for improved comfort. Currently, the U.S. Department of Energy (DOE) test procedure serves as the method for reporting furnace total fuel and electricity consumption under laboratory conditions. In 2006, American Society of Heating Refrigeration and Air-conditioning Engineers (ASHRAE) proposed an update to its test procedure which corrects some of the discrepancies found in the DOE test procedure and provides an improved methodology for calculating the energy consumption of two-stage furnaces. The objectives of this paper are to explore the differences in the methods for calculating two-stage residential gas furnace energy consumption in the DOE test procedure and in the 2006 ASHRAE test procedure and to compare test results to research results from field tests. Overall, the DOE test procedure shows a reduction in the total site energy consumption of about 3 percent for two-stage compared to single-stage furnaces at the same efficiency level. In contrast, the 2006 ASHRAE test procedure shows almost no difference in the total site energy consumption. The 2006 ASHRAE test procedure appears to provide a better methodology for calculating the energy consumption of two-stage furnaces. The results indicate that, although two-stage technology by itself does not save site energy, the combination of two-stage furnaces with BPM motors provides electricity savings, which are confirmed by field studies.

Lekov, Alex; Franco, Victor; Lutz, James

2006-05-12T23:59:59.000Z

212

Laboratory Evaluation of Residential Furnace BlowerPerformance  

SciTech Connect

A testing program was undertaken at Lawrence Berkeley National Laboratory and an electric utility (Pacific Gas and Electric Co.) to compare the performance of furnace blowers. This laboratory testing program was undertaken to support potential changes to California Building Standards regarding in-field furnace blower energy use. This technical support includes identifying suitable performance metrics and target performance levels for use in standards. Five different combinations of blowers and residential furnaces were tested for air moving performance. Three different types of blower and motor combinations were tested in two different furnace cabinets. The blowers were standard forward--curved impellors and a prototype impeller with reverse-inclined blades. The motors were two 6-pole permanent split capacitor (PSC) single-phase induction motors, a brushless permanent magnet (BPM) motor and a prototype BPM designed for use with a prototype reverse-inclined impellor. The laboratory testing operated each blower and furnace combination over a range of air flows and pressure differences to determine air flow performance, power consumption and efficiency. Additional tests varied the clearance between the blower housing and the furnace cabinet, and the routing of air flow into the blower cabinet.

Walker, Iain S.; Lutz, Jim D.

2005-09-01T23:59:59.000Z

213

Residential Energy Efficiency Rebates (Offered by 16 Utilities) |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

6 Utilities) 6 Utilities) Residential Energy Efficiency Rebates (Offered by 16 Utilities) < Back Eligibility Residential Savings Category Home Weatherization Commercial Weatherization Heating & Cooling Commercial Heating & Cooling Cooling Appliances & Electronics Construction Heat Pumps Commercial Lighting Lighting Program Info State Iowa Program Type Utility Rebate Program Rebate Amount Ceiling Fan: $25 Clothes Washer: $50 Decorative Light String: $3.50/string (6 string limit) Dehumidifier: $10 Dishwasher: $25 Refrigerator: $50 Room A/C: $15 Central A/C: $100 Furnace with ECM: $150 Air Handler with ECM: $150 Air-Source Heat Pump: $200 - $350 Geothermal Heat Pump: $200/ton Heat Pump Water Heater: $300 Programmable Thermostat: $25 Weatherization: 75% of cost, up to $750 Provider

214

Jo-Carroll Energy - Energy Efficiency Rebate Program | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Jo-Carroll Energy - Energy Efficiency Rebate Program Jo-Carroll Energy - Energy Efficiency Rebate Program Jo-Carroll Energy - Energy Efficiency Rebate Program < Back Savings Category Heating & Cooling Commercial Heating & Cooling Heating Appliances & Electronics Commercial Lighting Lighting Water Heating Program Info State Illinois Program Type Utility Rebate Program Rebate Amount Electric Dehumidifier: $25 Refrigerator: $25 Window AC: $25 Dishwasher: $25 Clothes Washer: $25 Refrigerator/Freezer Recycling: $25 Window AC Recycling: $25 Lighting Measures: $2 - $15/unit Natural Gas Furnace: $125 Boiler: $125 Natural Gas Water Heater: $50 Natural Gas Dryer: $50 Natural Gas Stove: $50 Jo-Carroll Energy Cooperative, Inc. (JCECI) offers a variety of rebates on energy efficient equipment to members receiving electric or natural gas

215

Alexandria Light and Power - Residential Energy Efficiency Rebate Program |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Alexandria Light and Power - Residential Energy Efficiency Rebate Alexandria Light and Power - Residential Energy Efficiency Rebate Program Alexandria Light and Power - Residential Energy Efficiency Rebate Program < Back Eligibility Residential Savings Category Heating & Cooling Commercial Heating & Cooling Cooling Appliances & Electronics Construction Heat Pumps Commercial Lighting Lighting Water Heating Program Info State Minnesota Program Type Utility Rebate Program Rebate Amount Clothes Washer: $50 - $75 Refrigerator: $50, with recycling of old, working model Dishwasher: $25 Dehumidifier: $10 Room Air Conditioner: $15 Heat Pump Water Heater: $300 Central A/C: $200 Mini-Split Ductless A/C: $100 ECM in New Furnace/Air Handler/Fan Coil: $150 Air-Source Heat Pump: $250 - $350 Programmable Thermostat: $25 Geothermal Heat Pump: $200/ton

216

Rochester Public Utilities - Residential Conserve and Save Rebate |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Rochester Public Utilities - Residential Conserve and Save Rebate Rochester Public Utilities - Residential Conserve and Save Rebate Rochester Public Utilities - Residential Conserve and Save Rebate < Back Eligibility Residential Savings Category Heating & Cooling Commercial Heating & Cooling Cooling Appliances & Electronics Other Heat Pumps Commercial Lighting Lighting Program Info Expiration Date 12/31/2012 State Minnesota Program Type Utility Rebate Program Rebate Amount Clothes Washer: $50 Dehumidifier: $65 Custom measures: contact RPU for consultation Dishwashers: $25 Refrigerators/Freezers: $25, plus $15 bonus if properly recycled Room Air Conditioners: $25, plus $15 bonus if properly recycled Compact Fluorescent Light Bulbs: 50% of cost CFL Light Fixtures: $15 LED Bulbs: $10 - $15 LED Fixtures: $20 Central AC/Ductless Mini Split( Furnace Fan Motors: $50

217

Missouri River Energy Services (23 Member Cooperatives) - Residential  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Missouri River Energy Services (23 Member Cooperatives) - Missouri River Energy Services (23 Member Cooperatives) - Residential Energy Efficiency Rebate Missouri River Energy Services (23 Member Cooperatives) - Residential Energy Efficiency Rebate < Back Eligibility Commercial Savings Category Heating & Cooling Commercial Heating & Cooling Cooling Appliances & Electronics Heat Pumps Commercial Lighting Lighting Water Heating Program Info State Minnesota Program Type Utility Rebate Program Rebate Amount Ceiling Fan: $25 Clothes Washer: $50 Decorative Light String: $3.50/string (6 string limit) Dehumidifier: $10 Dishwasher: $25 Refrigerator: $50 Room A/C: $15 Central A/C: $100 Furnace with ECM: $150 Air Handler with ECM: $150 Air-Source Heat Pump: $200 - $350 Geothermal Heat Pump: $200/ton Heat Pump Water Heater - $300

218

Furnace Blower Electricity: National and Regional Savings Potential  

NLE Websites -- All DOE Office Websites (Extended Search)

Furnace Blower Electricity: National and Regional Savings Potential Furnace Blower Electricity: National and Regional Savings Potential Title Furnace Blower Electricity: National and Regional Savings Potential Publication Type Report LBNL Report Number LBNL-417E Year of Publication 2008 Authors Franco, Victor H., James D. Lutz, Alexander B. Lekov, and Lixing Gu Document Number LBNL-417E Pagination 14 Date Published August 1 Publisher Lawrence Berkeley National Laboratory City Berkeley Abstract Currently, total electricity consumption of furnaces is unregulated, tested at laboratory conditions using the DOE test procedure, and is reported in the GAMA directory as varying from 76 kWh/year to 1,953 kWh/year. Furnace blowers account for about 80% of the total furnace electricity consumption and are primarily used to distribute warm air throughout the home during furnace operation as well as distribute cold air during air conditioning operation. Yet the furnace test procedure does not provide a means to calculate the electricity consumption during cooling operation or standby, which account for a large fraction of the total electricity consumption. Furthermore, blower electricity consumption is strongly affected by static pressure. Field data shows that static pressure in the house distribution ducts varies widely and that the static pressureused in the test procedure as well as the calculated fan power is not representative of actual field installations. Therefore, accurate determination of the blower electricity consumption is important to address electricity consumption of furnaces and air conditioners. This paper compares the potential regional and national energy savings of two-stage brushless permanent magnet (BPM) blower motors (the blower design option with the most potential savings that is currently available in the market) to single-stage permanent split capacitor (PSC) blower motors (the most common blower design option). Computer models were used to generate the heating and cooling loads for typical homes in 16 different climates which represent houses throughout the United States. The results show that the potential savings of using BPM motors vary by region and house characteristics, and are very strongly tied to improving house distribution ducts. Savings decrease dramatically with increased duct pressure. Cold climate locations will see savings even in the high static pressure duct situations, whilewarm climate locations will see less savings overall and negative savings in the high static pressure duct situations. Moderate climate locations will see little or no savings.

219

Biomass Boiler and Furnace Emissions and Safety Regulations in the  

Open Energy Info (EERE)

Biomass Boiler and Furnace Emissions and Safety Regulations in the Biomass Boiler and Furnace Emissions and Safety Regulations in the Northeast States Jump to: navigation, search Tool Summary Name: Biomass Boiler and Furnace Emissions and Safety Regulations in the Northeast States Agency/Company /Organization: CONEG Policy Research Center Inc. Partner: Massachusetts Department of Energy Resources, Rick Handley and Associates, Northeast States for Coordinated Air Use Management (NESCAUM) Sector: Energy Focus Area: Biomass, - Biomass Combustion, - Biomass Gasification, - Biomass Pyrolysis, - Biofuels, Economic Development Phase: Determine Baseline, Evaluate Options, Develop Goals Resource Type: Guide/manual User Interface: Other Website: www.mass.gov/Eoeea/docs/doer/renewables/biomass/DOER%20Biomass%20Emiss Country: United States

220

Application of Argonne's Glass Furnace Model to longhorn glass corporation oxy-fuel furnace for the production of amber glass.  

SciTech Connect

The objective of this project is to apply the Argonne National Laboratory's Glass Furnace Model (GFM) to the Longhorn oxy-fuel furnace to improve energy efficiency and to investigate the transport of gases released from the batch/melt into the exhaust. The model will make preliminary estimates of the local concentrations of water, carbon dioxide, elemental oxygen, and other subspecies in the entire combustion space as well as the concentration of these species in the furnace exhaust gas. This information, along with the computed temperature distribution in the combustion space may give indications on possible locations of crown corrosion. An investigation into the optimization of the furnace will be performed by varying several key parameters such as the burner firing pattern, exhaust number/size, and the boost usage (amount and distribution). Results from these parametric studies will be analyzed to determine more efficient methods of operating the furnace that reduce crown corrosion. Finally, computed results from the GFM will be qualitatively correlated to measured values, thus augmenting the validation of the GFM.

Golchert, B.; Shell, J.; Jones, S.; Energy Systems; Shell Glass Consulting; Anheuser-Busch Packaging Group

2006-09-06T23:59:59.000Z

Note: This page contains sample records for the topic "dehumidifiers dishwasher furnaces" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


221

Furnace Blower Electricity: National and Regional Savings Potential  

Science Conference Proceedings (OSTI)

Currently, total electricity consumption of furnaces is unregulated, tested at laboratory conditions using the DOE test procedure, and is reported in the GAMA directory as varying from 76 kWh/year to 1,953 kWh/year. Furnace blowers account for about 80percent of the total furnace electricity consumption and are primarily used to distribute warm air throughout the home during furnace operation as well as distribute cold air during air conditioning operation. Yet the furnace test procedure does not provide a means to calculate the electricity consumption during cooling operation or standby, which account for a large fraction of the total electricity consumption. Furthermore, blower electricity consumption is strongly affected by static pressure. Field data shows that static pressure in the house distribution ducts varies widely and that the static pressure used in the test procedure as well as the calculated fan power is not representative of actual field installations. Therefore, accurate determination of the blower electricity consumption is important to address electricity consumption of furnaces and air conditioners. This paper compares the potential regional and national energy savings of two-stage brushless permanent magnet (BPM) blower motors (the blower design option with the most potential savings that is currently available in the market) to single-stage permanent split capacitor (PSC) blower motors (the most common blower design option). Computer models were used to generate the heating and cooling loads for typical homes in 16 different climates which represent houses throughout the United States. The results show that the potential savings of using BPM motors vary by region and house characteristics, and are very strongly tied to improving house distribution ducts. Savings decrease dramatically with increased duct pressure. Cold climate locations will see savings even in the high static pressure duct situations, while warm climate locations will see less savings overall and negative savings in the high static pressure duct situations. Moderate climate locations will see little or no savings.

Florida Solar Energy Center; Franco, Victor; Franco, Victor; Lutz, Jim; Lekov, Alex; Gu, Lixing

2008-05-16T23:59:59.000Z

222

Blast furnaces make way for new steel technology  

Science Conference Proceedings (OSTI)

Increasingly stringent environmental regulations, aging production units, and a competitive market are forcing iron and steelmakers to improve the environmental performance and cost efficiencies of their processes. The traditional integrated steel unit isn`t obsolete -- yet. Blast furnaces will be around for at least another 15 years. However, traditional technology is in for some changes, and stepped up rivalry from electric arc furnace minimills and ironmaking processes that use gas or coal. The paper discusses direct iron making processes, the DRI-minimill connection, the iron carbide process, and reclaiming iron from waste.

Ondrey, G.; Parkinson, G.; Moore, S.

1995-03-01T23:59:59.000Z

223

Optical processing furnace with quartz muffle and diffuser plate  

SciTech Connect

An optical furnace for annealing a process wafer comprising a source of optical energy, a quartz muffle having a door to hold the wafer for processing, and a quartz diffuser plate to diffuse the light impinging on the quartz muffle; a feedback system with a light sensor located in the door or wall of the muffle is also provided for controlling the source of optical energy. The quartz for the diffuser plate is surface etched (to give the quartz diffusive qualities) in the furnace during a high intensity burn-in process.

Sopori, Bhushan L. (Denver, CO)

1995-01-01T23:59:59.000Z

224

Residential Bulk-Fed Wood-Pellet Central Boilers and Furnace...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Bulk-Fed Wood-Pellet Central Boilers and Furnace Rebate Program Residential Bulk-Fed Wood-Pellet Central Boilers and Furnace Rebate Program Eligibility Multi-Family Residential...

225

NREL's Optical Cavity Furnace Brings Together a Myriad of Advances for Processing Solar Cells (Fact Sheet)  

DOE Green Energy (OSTI)

Fact sheet on 2011 R&D 100 Award winner, the Optical Cavity Furnace. The innovative furnace uses light and unique light-induced effects to make higher-efficiency solar cells at lower cost.

Not Available

2011-08-01T23:59:59.000Z

226

The data furnace: heating up with cloud computing  

Science Conference Proceedings (OSTI)

In this paper, we argue that servers can be sent to homes and office buildings and used as a primary heat source. We call this approach the Data Furnace or DF. Data Furances have three advantages over traditional data centers: 1) a smaller carbon footprint ...

Jie Liu; Michel Goraczko; Sean James; Christian Belady; Jiakang Lu; Kamin Whitehouse

2011-06-01T23:59:59.000Z

227

Lot sizing and furnace scheduling in small foundries  

Science Conference Proceedings (OSTI)

A lot sizing and scheduling problem prevalent in small market-driven foundries is studied. There are two related decision levels: (1) the furnace scheduling of metal alloy production, and (2) moulding machine planning which specifies the type and size ... Keywords: Lot sizing and scheduling, Meta-heuristics, Mixed integer programming

Silvio A. de Araujo; Marcos N. Arenales; Alistair R. Clark

2008-03-01T23:59:59.000Z

228

Electrode immersion depth determination and control in electroslag remelting furnace  

DOE Patents (OSTI)

An apparatus and method for controlling an electroslag remelting furnace comprising adjusting electrode drive speed by an amount proportional to a difference between a metric of electrode immersion and a set point, monitoring impedance or voltage, and calculating the metric of electrode immersion depth based upon a predetermined characterization of electrode immersion depth as a function of impedance or voltage.

Melgaard, David K. (Albuquerque, NM); Beaman, Joseph J. (Austin, TX); Shelmidine, Gregory J. (Tijeras, NM)

2007-02-20T23:59:59.000Z

229

The effects of improved residential furnace filtration on airborne particles  

SciTech Connect

Forced air furnaces with distributed ducting systems have always had an air filter, but traditionally the filter quality was only adequate to protect the furnace fan and heat exchanger from debris. In the past several years, there has been an increasing number of more effective particulate filters that are being marketed to reduce airborne particulate or dust. These include upgraded panel filters, passive electrostatic, active electrostatic, and HEPA or near-HEPA variants. Consumers are bewildered by the lack of standardized and comprehensible performance results and need better advice on whether it would be useful for them to upgrade their current furnace filter. In order to help them make these decisions, the whole range of available furnace filters were tested in six occupied houses. The filter efficiency was determined by particulate measurement in the ducting system before and after the filter. Indoor particulates were measured in a bedroom and living room, and outdoor levels were monitored simultaneously. Testing encompassed several weeks in each house, and the results are available in the whole range of particle sizes. The project also looked at the air-cleaning effectiveness of a stand-alone air cleaner and at the ozone production of electrostatic precipitators installed in 20 houses. Test results will be helpful in specifying suitable filtration for houses.

Fugler, D.; Bowser, D.; Kwan, W.

2000-07-01T23:59:59.000Z

230

Coke quality for blast furnaces with coal-dust fuel  

SciTech Connect

Recently, plans have been developed for the introduction of pulverized coal injection (PCI) at various Russian metallurgical enterprises. The main incentive for switching to PCI is the recent price rises for Russian natural gas. The paper discusses the quality of coke for PCI into blast furnaces.

Y.A. Zolotukhin; N.S. Andreichikov [Eastern Coal-Chemistry Institute, Yekaterinburg (Russian Federation)

2009-07-01T23:59:59.000Z

231

Coke mineral transformations in the experimental blast furnace  

SciTech Connect

Blast furnace efficiency may be improved by optimizing coke reactivity. Some but not all forms of mineral matter in the coke modify its reactivity, but changes in mineral matter that occur within coke while in the blast furnace have not been fully quantified. To determine changes in mineral matter forms in the blast furnace, coke samples from a dissection study in the LKAB experimental blast furnace (EBF) were characterized using SEM/EDS analysis, EPMA (microprobe), and low-temperature ashing/quantitative XRD analysis. Variations in alkali concentration, particularly potassium, dominated the compositional changes. At high concentrations of potassium, the mineral matter was largely potassium-bearing but even more potassium was diffused throughout the coke and not associated with mineral matter. There was little difference in potassium concentration between the core and surface of the coke pieces, suggesting that potassium diffused rapidly through the whole coke. Iron, calcium, silicon, and aluminum concentrations were relatively constant in comparison, although the mineralogy of all elements changed significantly with changing temperature. 23 refs., 20 figs., 9 tabs.

Kelli Kazuberns; Sushil Gupta; Mihaela Grigore; David French; Richard Sakurovs; Mats Hallin; Bo Lindblom; Veena Sahajwalla [University of New South Wales, Sydney, NSW (Australia). Cooperative Research Centre for Coal in Sustainable Development (CCSD)

2008-09-15T23:59:59.000Z

232

Batch Preheat for glass and related furnace processing operations  

SciTech Connect

The objectives that our development work addressed are: (1) Establish through lab tests a salt eutectic with a melting point of about 250 F and a working range of 250 to 1800 F. (2) Establish the most economical material of construction for the screened salt eutectics identified in the first objective. (3) Establish the material of construction for the salt heater liner. Objectives 2 and 3 were determined through corrosion tests using selected metallurgical samples. Successful completion of the above-stated goals will be incorporated in a heat recovery design that can be used in high temperature processes and furnaces, typical of which is the glass melting process. The process design incorporates the following unit operations: a vertical batch heater (whereby the batch flows down through tubes in a shell and tube exchanger; a molten salt eutectic is circulated on the shell side); a molten salt heater utilizing furnace flue gas in a radiation type heater (molten salt is circulated in the annular space between the inner and outer shells of the vertical heater, and flue gas passes from the furnace exhaust through the inner shell of the heater); a cantilever type molten salt circulating pump; and a jacketed mixer/conveyor to drive off moisture from the batch prior to feeding the batch to the vertical batch heater. Historically, radiation heaters, when applied to glass or fiberglass furnace recuperation, have experienced failures due to uneven heat flux rates, which increases internal stresses and spot overheating conditions. Low heat transfer coefficients result in requirements for large heat transfer surface areas in gas to gas or gas to air exchangers. Fouling is another factor that results in lower unit availability and reduced performance. These factors are accommodated in this process by the incorporation of several design features. The salt heater will be a vertical double wall radiation design, similar to radiation air heaters used in high temperature heat recovery. The unit utilizes an inner shell that the furnace exhaust gas passes through: this provides essentially a self-cleaning surface. Utilization of radiation air heaters in fiberglass furnaces has demonstrated that the inner shell provides a surface from which molten ash can drain down. The molten salt eutectic will be pumped through the annulus between this inner wall and the outer wall of the unit. The annular space tempering via the molten salt will promote more uniform expansion for the unit, and thereby promote more uniform heat flux rates. Heat transfer would be via radiation mainly, with a minor convective contributor.

Energy & Environmental Resources, Inc

2002-08-12T23:59:59.000Z

233

Optical processing furnace with quartz muffle and diffuser plate  

DOE Patents (OSTI)

An optical furnace for annealing a process wafer is disclosed comprising a source of optical energy, a quartz muffle having a door to hold the wafer for processing, and a quartz diffuser plate to diffuse the light impinging on the quartz muffle; a feedback system with a light sensor located in the wall of the muffle is also provided for controlling the source of optical energy. 5 figs.

Sopori, B.L.

1996-11-19T23:59:59.000Z

234

Detailed model for practical pulverized coal furnaces and gasifiers  

Science Conference Proceedings (OSTI)

This study has been supported by a consortium of nine industrial and governmental sponsors. Work was initiated on May 1, 1985 and completed August 31, 1989. The central objective of this work was to develop, evaluate and apply a practical combustion model for utility boilers, industrial furnaces and gasifiers. Key accomplishments have included: Development of an advanced first-generation, computer model for combustion in three dimensional furnaces; development of a new first generation fouling and slagging submodel; detailed evaluation of an existing NO{sub x} submodel; development and evaluation of an improved radiation submodel; preparation and distribution of a three-volume final report: (a) Volume 1: General Technical Report; (b) Volume 2: PCGC-3 User's Manual; (c) Volume 3: Data Book for Evaluation of Three-Dimensional Combustion Models; and organization of a user's workshop on the three-dimensional code. The furnace computer model developed under this study requires further development before it can be applied generally to all applications; however, it can be used now by specialists for many specific applications, including non-combusting systems and combusting geseous systems. A new combustion center was organized and work was initiated to continue the important research effort initiated by this study. 212 refs., 72 figs., 38 tabs.

Smith, P.J.; Smoot, L.D.

1989-08-01T23:59:59.000Z

235

Microsoft Word - ACEEE_06_FurnaceBlower_Paper413_lbl.doc  

NLE Websites -- All DOE Office Websites (Extended Search)

BPM Motors in Residential Gas Furnaces: What are the Savings? BPM Motors in Residential Gas Furnaces: What are the Savings? James Lutz, Victor Franco, Alex Lekov, and Gabrielle Wong-Parodi Lawrence Berkeley National Laboratory, Berkeley, California ABSTRACT Residential gas furnaces contain blowers to distribute warm air. Currently, furnace blowers use either a Permanent Split Capacitor (PSC) or a Brushless Permanent Magnet (BPM) motor. Blowers account for the majority of furnace electricity consumption. Therefore, accurate determination of the blower electricity consumption is important for understanding electricity consumption of furnaces. The electricity consumption of blower motors depends on the static pressure across the blower. This paper examines both types of blower motors in non-condensing non-weatherized

236

Austin Utilities (Gas and Electric) - Commercial and Industrial...  

Open Energy Info (EERE)

Dishwasher, Furnaces, Heat pumps, Lighting, Lighting ControlsSensors, Motors, Steam-system upgrades, Water Heaters, Evaporative Coolers, Vending Machine Controls,...

237

Cedar Falls Utilities - Residential Energy Efficiency Rebate...  

Open Energy Info (EERE)

Dishwasher, Doors, DuctAir sealing, Furnaces, Heat pumps, Lighting, Water Heaters, LED Exit Signs, Geothermal Heat Pumps, Appliance Recycling, LED Lighting Active Incentive...

238

City of Palo Alto Utilities - Smart Energy Rebate Program (California...  

Open Energy Info (EERE)

Washers, Dishwasher, Furnaces, Lighting, Pool Pumps, Refrigerators, Water Heaters, LED Lighting, Power Controls for Networked PC's, Tankless Water Heaters, Heat Pump Water...

239

Black Hills Energy (Gas) - Residential Energy Efficiency Rebate...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Clothes Washers: 100 Dishwashers: 20 Replacement Furnaces: 250 - 400 Replacement Boilers: 150 or 400 Duct RepairSealing: 200 Duct Insulation (R-8): 150 Insulation...

240

Business Incentive Program | Open Energy Information  

Open Energy Info (EERE)

MeasuresWhole Building, Compressed air, CustomOthers pending approval, Dishwasher, Energy Mgmt. SystemsBuilding Controls, Equipment Insulation, Furnaces, Heat pumps, Heat...

Note: This page contains sample records for the topic "dehumidifiers dishwasher furnaces" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


241

Chain Stores and Franchises Program | Open Energy Information  

Open Energy Info (EERE)

MeasuresWhole Building, Compressed air, CustomOthers pending approval, Dishwasher, Energy Mgmt. SystemsBuilding Controls, Equipment Insulation, Furnaces, Heat pumps, Heat...

242

Avista Utilities - Residential Energy Efficiency Rebate Programs...  

Open Energy Info (EERE)

Building, Dishwasher, Furnaces, Heat pumps, Motor VFDs, Refrigerators, Water Heaters, Windows Active Incentive No Incentive Inactive Date 05262010 Implementing Sector Utility...

243

Colorado Springs Utilities - Residential Energy Efficiency Rebate...  

Open Energy Info (EERE)

Technologies Building Insulation, Dishwasher, DuctAir sealing, Refrigerators, Windows, Gas Boiler, Gas Furnace, Gas Water Heater Active Incentive Yes Implementing Sector...

244

Precision control of high temperature furnaces using an auxiliary power supply and charged practice current flow  

DOE Patents (OSTI)

Two power supplies are combined to control a furnace. A main power supply heats the furnace in the traditional manner, while the power from the auxiliary supply is introduced as a current flow through charged particles existing due to ionized gas or thermionic emission. The main power supply provides the bulk heating power and the auxiliary supply provides a precise and fast power source such that the precision of the total power delivered to the furnace is improved.

Pollock, George G. (San Ramon, CA)

1997-01-01T23:59:59.000Z

245

Precision control of high temperature furnaces using an auxiliary power supply and charged particle current flow  

DOE Patents (OSTI)

Two power supplies are combined to control a furnace. A main power supply heats the furnace in the traditional manner, while the power from the auxiliary supply is introduced as a current flow through charged particles existing due to ionized gas or thermionic emission. The main power supply provides the bulk heating power and the auxiliary supply provides a precise and fast power source such that the precision of the total power delivered to the furnace is improved. 5 figs.

Pollock, G.G.

1997-01-28T23:59:59.000Z

246

FURNACE INJECTION OF ALKALINE SORBENTS FOR SULFURIC ACID CONTROL  

Science Conference Proceedings (OSTI)

This document summarizes progress on Cooperative Agreement DE-FC26-99FT40718, Furnace Injection of Alkaline Sorbents for Sulfuric Acid Control, during the time period April 1, 2003 through September, 2003. The objective of this project is to demonstrate the use of alkaline reagents injected into the furnace of coal-fired boilers as a means of controlling sulfuric acid emissions. The coincident removal of hydrochloric acid and hydrofluoric acid is also being determined, as is the removal of arsenic, a known poison for NO{sub x} selective catalytic reduction (SCR) catalysts. EPRI, the Tennessee Valley Authority (TVA), FirstEnergy Corporation, American Electric Power (AEP) and the Dravo Lime Company are project co-funders. URS Group is the prime contractor. This is the eighth reporting period for the subject Cooperative Agreement. During previous reporting periods, two long-term sorbent injection tests were conducted, one on Unit 3 at FirstEnergy's Bruce Mansfield Plant (BMP) and one on Unit 1 at AEP's Gavin Plant. Those tests determined the effectiveness of injecting alkaline slurries into the upper furnace of the boiler as a means of controlling sulfuric acid emissions from these units. The alkaline slurries tested included commercially available magnesium hydroxide slurry (Gavin Plant), and a byproduct magnesium hydroxide slurry (both Gavin Plant and BMP). The tests showed that injecting either the commercial or the byproduct magnesium hydroxide slurry could achieve up to 70-75% overall sulfuric acid removal. At BMP, the overall removal was limited by the need to maintain acceptable electrostatic precipitator (ESP) particulate control performance. At Gavin Plant, the overall sulfuric acid removal was limited because the furnace injected sorbent was less effective at removing SO{sub 3} formed across the SCR system installed on the unit for NO{sub x} control than at removing SO{sub 3} formed in the furnace. The SO{sub 3} removal results were presented in the semi-annual Technical Progress Report for the time period April 1, 2001 through September 30, 2001. Additional balance of plant impact information for the two tests was reported in the Technical Progress Report for the time period October 1, 2001 through March 30, 2002. Additional information became available about the effects of byproduct magnesium hydroxide injection on SCR catalyst coupons during the long-term test at BMP, and those results were reported in the report for the time period April 1, 2002 through September 30, 2002. During the current period, process economic estimates were developed, comparing the costs of the furnace magnesium hydroxide slurry injection process tested as part of this project to a number of other candidate SO{sub 3}/sulfuric acid control technologies for coal-fired power plants. The results of this economic evaluation are included in this progress report.

Gary M. Blythe

2003-10-01T23:59:59.000Z

247

FURNACE INJECTION OF ALKALINE SORBENTS FOR SULFURIC ACID REMOVAL  

Science Conference Proceedings (OSTI)

The objective of this project has been to demonstrate the use of alkaline reagents injected into the furnace of coal-fired boilers as a means of controlling sulfuric acid emissions. The project was co-funded by the U.S. DOE National Energy Technology Laboratory under Cooperative Agreement DE-FC26-99FT40718, along with EPRI, the American Electric Power Company (AEP), FirstEnergy Corporation, the Tennessee Valley Authority, and Carmeuse North America. Sulfuric acid controls are becoming of increased interest for coal-fired power generating units for a number of reasons. In particular, sulfuric acid can cause plant operation problems such as air heater plugging and fouling, back-end corrosion, and plume opacity. These issues will likely be exacerbated with the retrofit of selective catalytic reduction (SCR) for NOX control, as SCR catalysts are known to further oxidize a portion of the flue gas SO{sub 2} to SO{sub 3}. The project tested the effectiveness of furnace injection of four different magnesium-based or dolomitic alkaline sorbents on full-scale utility boilers. These reagents were tested during one- to two-week tests conducted on two FirstEnergy Bruce Mansfield Plant (BMP) units. One of the sorbents tested was a magnesium hydroxide slurry byproduct from a modified Thiosorbic{reg_sign} Lime wet flue gas desulfurization process. The other three sorbents are available commercially and include dolomite, pressure-hydrated dolomitic lime, and commercially available magnesium hydroxide. The dolomite reagent was injected as a dry powder through out-of-service burners. The other three reagents were injected as slurries through air-atomizing nozzles inserted through the front wall of the upper furnace. After completing the four one- to two-week tests, the most promising sorbents were selected for longer-term (approximately 25-day) full-scale tests on two different units. The longer-term tests were conducted to confirm sorbent effectiveness over extended operation on two different boilers, and to determine balance-of-plant impacts. The first long-term test was conducted on FirstEnergy's BMP Unit 3, and the second was conducted on AEP's Gavin Plant, Unit 1. The Gavin Plant test provided an opportunity to evaluate the effects of sorbent injected into the furnace on SO{sub 3} formed across an operating SCR reactor. A final task in the project was to compare projected costs for furnace injection of magnesium hydroxide slurries to estimated costs for other potential sulfuric acid control technologies. Estimates were developed for reagent and utility costs, and capital costs, for furnace injection of magnesium hydroxide slurries and seven other sulfuric acid control technologies. The estimates were based on retrofit application to a model coal-fired plant.

Gary M. Blythe

2004-01-01T23:59:59.000Z

248

DTE Energy (Gas) - Residential Energy Efficiency Program | Open...  

Open Energy Info (EERE)

Refrigerator Recycling: 40 Clothes Washer: 25 - 50 Dehumidifier and AC Recycling: 20 Home Energy Audit: Up to 75 Furnace: Up to 500 Furnace Tune-up: 50 Boiler: 1000 -...

249

Rohm and Haas: Furnace Replacement Project Saves Energy and Improves Production at a Chemical Plant  

Science Conference Proceedings (OSTI)

This DOE Industrial Technologies Program spotlight describes how Rohm and Haas's Deer Park, Texas, chemical plant reduced natural gas usage and energy costs by replacing inefficient furnace equipment.

Not Available

2006-02-01T23:59:59.000Z

250

Electricity and Natural Gas Efficiency Improvements for Residential Gas Furnaces in the U.S.  

E-Print Network (OSTI)

offsets the sizable electricity savings. References TitleElectricity and Natural Gas Efficiency Improvements forfueled by natural gas. Electricity consumption by a furnace

Lekov, Alex; Franco, Victor; Meyers, Steve; McMahon, James E.; McNeil, Michael; Lutz, Jim

2006-01-01T23:59:59.000Z

251

Modeling energy consumption of residential furnaces and boilers in U.S. homes  

SciTech Connect

In 2001, DOE initiated a rulemaking process to consider whether to amend the existing energy efficiency standards for furnaces and boilers. A key factor in DOE's consideration of new standards is their cost-effectiveness to consumers. Determining cost-effectiveness requires an appropriate comparison of the additional first cost of energy efficiency design options with the savings in operating costs. This report describes calculation of equipment energy consumption (fuel and electricity) based on estimated conditions in a sample of homes that are representative of expected furnace and boiler installations. To represent actual houses with furnaces and boilers in the United States, we used a set of houses from the Residential Energy Consumption Survey of 1997 conducted by the Energy Information Administration. Our calculation methodology estimates the energy consumption of alternative (more-efficient) furnaces, if they were to be used in each house in place of the existing equipment. We developed the method of calculation described in this report for non-weatherized gas furnaces. We generalized the energy consumption calculation for this product class to the other furnace product classes. Fuel consumption calculations for boilers are similar to those for the other furnace product classes. The electricity calculations for boilers are simpler than for furnaces, because boilers do not provide thermal distribution for space cooling as furnaces often do.

Lutz, James; Dunham-Whitehead, Camilla; Lekov, Alex; McMahon, James

2004-02-01T23:59:59.000Z

252

Mathematical modelling of the flow and combustion of pulverized coal injected in ironmaking blast furnace.  

E-Print Network (OSTI)

??Pulverized coal injection (PCI) technology is widely practised in blast furnace ironmaking due to economic, operational and environmental benefits. High burnout of pulverized coal in (more)

Shen, Yansong

2008-01-01T23:59:59.000Z

253

A 3D Mathematical Model of a Horizontal Anode Baking Furnace as ...  

Science Conference Proceedings (OSTI)

... phenomena occurring in the furnace and was validated using plant data. ... of the Composite Parts by Arranging Ply Lay-up for Even Resin Distribution and...

254

Modeling energy consumption of residential furnaces and boilers in U.S. homes  

SciTech Connect

In 2001, DOE initiated a rulemaking process to consider whether to amend the existing energy efficiency standards for furnaces and boilers. A key factor in DOE's consideration of new standards is their cost-effectiveness to consumers. Determining cost-effectiveness requires an appropriate comparison of the additional first cost of energy efficiency design options with the savings in operating costs. This report describes calculation of equipment energy consumption (fuel and electricity) based on estimated conditions in a sample of homes that are representative of expected furnace and boiler installations. To represent actual houses with furnaces and boilers in the United States, we used a set of houses from the Residential Energy Consumption Survey of 1997 conducted by the Energy Information Administration. Our calculation methodology estimates the energy consumption of alternative (more-efficient) furnaces, if they were to be used in each house in place of the existing equipment. We developed the method of calculation described in this report for non-weatherized gas furnaces. We generalized the energy consumption calculation for this product class to the other furnace product classes. Fuel consumption calculations for boilers are similar to those for the other furnace product classes. The electricity calculations for boilers are simpler than for furnaces, because boilers do not provide thermal distribution for space cooling as furnaces often do.

Lutz, James; Dunham-Whitehead, Camilla; Lekov, Alex; McMahon, James

2004-02-01T23:59:59.000Z

255

Economics of residential gas furnaces and water heaters in United States new construction market  

E-Print Network (OSTI)

Experiences of residential consumers and utilities. OakStar (2008). Energy Star Residential Water Heaters: Finalefficiency improvements for residential gas furnaces in the

Lekov, Alex B.

2010-01-01T23:59:59.000Z

256

Economics of residential gas furnaces and water heaters in US new construction market  

E-Print Network (OSTI)

appliance_standards/residential/water_ pool_heaters_prelim_Star (2008). Energy star residential water heaters: Finalefficiency improvements for residential gas furnaces in the

Lekov, Alex B.; Franco, Victor H.; Wong-Parodi, Gabrielle; McMahon, James E.; Chan, Peter

2010-01-01T23:59:59.000Z

257

Theoretical and experimental foundations for preparing coke for blast-furnace smelting  

SciTech Connect

This article examines the preparation of coke for blast-furnace smelting by a method that most fully meets the requirements of blast-furnace technology: screening of the -36 mm fraction, the separation of nut coke of the 15-36 mm fraction, and its charging into the furnace in a mixture with the iron-ore-bearing charge components. An analysis is made of trial use of coke of the Premium class on blast furnace No. 5 at the Enakievo Metallurgical Plant. Use of this coke makes it possible to reduce the consumption of skip coke by 3.2-4.1%.

A.L. Podkorytov; A.M. Kuznetsov; E.N. Dymchenko; V.P. Padalka; S.L. Yaroshevskii; A.V. Kuzin [Enakievo Metallurgical Plant, Enakievo (Ukraine)

2009-05-15T23:59:59.000Z

258

Co-gasification of biomass with coal and oil sands coke in a drop tube furnace.  

E-Print Network (OSTI)

??Chars were obtained from individual fuels and blends with different blend ratios of coal, coke and biomass in Drop Tube Furnace at different temperatures. Based (more)

Gao, Chen

2010-01-01T23:59:59.000Z

259

Post combustion trials at Dofasco`s KOBM furnace  

DOE Green Energy (OSTI)

Post combustion trials were conducted at Dofasco`s 300 tonne KOBM furnace as part of the AISI Direct Steelmaking Program. The purpose of the project work was to measure the post combustion ratio (PCR) and heat transfer efficiency (HTE) of the post combustion reaction in a full size steelmaking vessel. A method of calculating PCR and HTE using off gas analysis and gas temperature was developed. The PCR and HTE were determined under normal operating conditions. Trials assessed the effect of lance height, vessel volume, foaming slag and pellet additions on PCR and HTE.

Farrand, B.L.; Wood, J.E.; Goetz, F.J.

1992-12-31T23:59:59.000Z

260

Variation in coke properties within the blast-furnace shop  

SciTech Connect

In active production at OAO Magnitogorskii Metallurgicheskii Kombinat (MMK), samples of melt materials were taken during shutdown and during planned repairs at furnaces 1 and 8. In particular, coke was taken from the tuyere zone at different distances from the tuyere tip. The mass of the point samples was 2-15 kg, depending on the sampling zone. The material extracted from each zone underwent magnetic separation and screening by size class. The resulting coke sample was averaged out and divided into parts: one for determining the granulometric composition and mechanical strength; and the other for technical analysis and determination of the physicochemical properties of the coke.

E.N. Stepanov; I.I. Mel'nikov; V.P. Gridasov; A.A. Stepanova [OAO Magnitogorskii Metallurgicheskii Kombinat (MMK), Magnitogorsk, (Russian Federation)

2009-04-15T23:59:59.000Z

Note: This page contains sample records for the topic "dehumidifiers dishwasher furnaces" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


261

Self-calibrated active pyrometer for furnace temperature measurements  

DOE Patents (OSTI)

Pyrometer with a probe beam superimposed on its field-of-view for furnace temperature measurements. The pyrometer includes a heterodyne millimeter/sub-millimeter-wave or microwave receiver including a millimeter/sub-millimeter-wave or microwave source for probing. The receiver is adapted to receive radiation from a surface whose temperature is to be measured. The radiation includes a surface emission portion and a surface reflection portion which includes the probe beam energy reflected from the surface. The surface emission portion is related to the surface temperature and the surface reflection portion is related to the emissivity of the surface. The simultaneous measurement of surface emissivity serves as a real time calibration of the temperature measurement. In an alternative embodiment, a translatable base plate and a visible laser beam allow slow mapping out of interference patterns and obtaining peak values therefor. The invention also includes a waveguide having a replaceable end portion, an insulating refractory sleeve and/or a source of inert gas flow. The pyrometer may be used in conjunction with a waveguide to form a system for temperature measurements in a furnace. The system may employ a chopper or alternatively, be constructed without a chopper. The system may also include an auxiliary reflector for surface emissivity measurements.

Woskov, Paul P. (Bedford, MA); Cohn, Daniel R. (Chestnuthill, MA); Titus, Charles H. (Newtown Square, PA); Surma, Jeffrey E. (Kennewick, WA)

1998-01-01T23:59:59.000Z

262

EA-1662: Final Environmental Assessment | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

62: Final Environmental Assessment 62: Final Environmental Assessment EA-1662: Final Environmental Assessment 10 CFR Part 430 Energy Conservation Program: EnergyConservation Standards for Certain Consumer Products (Dishwashers, Dehumidifiers, Microwave Ovens, and Electric and Gas Kitchen Ranges and Ovens) This chapter describes potential environmental effects that may result from amended energy conservation standards for residential cooking products and commercial clothes washers. Environmental Assessment for 10 CFR Part 430 Energy Conservation Program: Energy Conservation Standards for Certain Consumer Products (Dishwashers, Dehumidifiers, Microwave Ovens, and Electric and Gas Kitchen Ranges and Ovens) and for Certain Commercial and Industrial Equipment (Commercial Clothes Washers), DOE/EA-1662 (April 2009)

263

Collection and conversion of silicon furnace waste gas into higher value products: Phase 3, 6 MW pilot plant dc closed furnace technology. Final report  

SciTech Connect

The construction and operation of a 6 MW, closed dc furnace for smelting silicon was the primary focus of Phase 3. A 6 MW, dc closed furnace pilot plant was built in East Selkirk, Manitoba, Canada. The furnace is equipped with world`s most modern automatic control system used to control and monitor the process variables and operational data. This control system is suitable for commercial applications and could be used with either closed or open dc furnaces for smelting silicon or ferrosilicon. The construction was started in September 1990, and the facility was operational within 18 months. Following successful commissioning of the pilot plant in June 1992, twelve smelting test campaigns were conducted through November 1994.

Dosaj, V.D.

1995-01-01T23:59:59.000Z

264

Self-powered automatic secondary air controllers for woodstoves and small furnaces  

DOE Patents (OSTI)

This invention relates to the regulation of combustion in woodstoves, small furnaces and the like, so as to produce efficient combustion, while maximizing the possible heat output and minimizing air pollution. More specifically, the invention relates to controllers for automatically regulating and the supply of secondary combustion air to woodstoves, small furnaces or the like. 9 figs.

Siemer, D.D.

1989-03-15T23:59:59.000Z

265

Improving the Field Performance of Natural Gas Furnaces, Chicago, Illinois (Fact Sheet)  

SciTech Connect

The objective of this project is to examine the impact that common installation practices and age-induced equipment degradation may have on the installed performance of natural gas furnaces, as measured by steady-state efficiency and AFUE. PARR identified twelve furnaces of various ages and efficiencies that were operating in residential homes in the Des Moines Iowa metropolitan area and worked with a local HVAC contractor to retrieve them and test them for steady-state efficiency and AFUE in the lab. Prior to removal, system airflow, static pressure, equipment temperature rise, and flue loss measurements were recorded for each furnace. After removal from the field the furnaces were transported to the Gas Technology Institute (GTI) laboratory, where PARR conducted steady-state efficiency and AFUE testing. The test results show that steady-state efficiency in the field was 6.4% lower than that measured for the same furnaces under standard conditions in the lab, which included tuning the furnace input and air flow rate. Comparing AFUE measured under ASHRAE standard conditions with the label value shows no reduction in efficiency for the furnaces in this study over their 15 to 24 years of operation when tuned to standard conditions. Further analysis of the data showed no significant correlation between efficiency change and the age or the rated efficiency of the furnace.

Rothgeb, S.; Brand, L.

2013-11-01T23:59:59.000Z

266

Plan for the Startup of HA-21I Furnace Operations at the Plutonium Finishing Plant (PFP)  

Science Conference Proceedings (OSTI)

Achievement of Thermal Stabilization mission elements require the installation and startup of three additional muffle furnaces for the thermal stabilization of plutonium and plutonium bearing materials at the Plutonium Finishing Plant (PFP). The release to operate these additional furnaces will require an Activity Based Startup Review. The conduct of the Activity Based Startup Review (ABSR) was approved by Fluor Daniel Hanford on October 15, 1999. This plan has been developed with the objective of identifying those activities needed to guide the controlled startup of five furnaces from authorization to unrestricted operations by adding the HA-211 furnaces in an orderly and safe manner after the approval to Startup has been given. The Startup Plan provides a phased approach that bridges the activities between the completion of the Activity Based Startup Review authorizing the use of the three additional furnaces and the unrestricted operation of the five thermal stabilization muffle furnaces. The four phases are: (1) the initiation of five furnace operations using three empty (simulated full) boat charges from HA-211 and two full charges from HC-21C; (2) three furnace operations (one full charge from HA-211 and two full charges from HC-21C); (3) four furnace operations (two full charges from HA-211 and two full charges from HC-21C); and (4) integrated five furnace operations and unrestricted operations. Phase 1 of the Plan will be considered as the cold runs. This Plan also provides management oversight and administrative controls that are to be implemented until unrestricted operations are authorized. It also provides a formal review process for ensuring that all preparations needed for full five furnace operations are completed and formally reviewed prior to proceeding to the increased activity levels associated with five furnace operations. Specific objectives include: (1) To ensure that activities are conducted in a safe manner. (2) To provide supplemental technical and managerial support to Thermal Stabilization activities during the initial use of the HA-211 Furnaces until the commencement of full five furnace, unrestricted operations. (3) Ensure that operations can be conducted in a manner that meets PFP and DOE expectations associated with the principles of integrated safety management. (4) To ensure that all interfacing activities needed to meet Thermal Stabilization mission objectives are completed.

WILLIS, H.T.

2000-02-17T23:59:59.000Z

267

What Steps Do You Take to Maintain Your Furnace? | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Steps Do You Take to Maintain Your Furnace? Steps Do You Take to Maintain Your Furnace? What Steps Do You Take to Maintain Your Furnace? January 7, 2010 - 7:30am Addthis This week, Chris told you about his plans to maintain his furnace to keep it running efficiently. Proper maintenance is key to ensuring your heating and cooling systems are in working order. No one wants to wake up on the coldest day of the year to find that they have no heat! What steps do you take to maintain your furnace? Each Thursday, you have the chance to share your thoughts on a question about energy efficiency or renewable energy for consumers. E-mail your responses to the Energy Saver team at consumer.webmaster@nrel.gov. Addthis Related Articles Brrrrr. It's Cold In There! Saving Energy and Money Starts at Home 31,000 Homes Weatherized in June

268

Minimization of Blast furnace Fuel Rate by Optimizing Burden and Gas Distribution  

Science Conference Proceedings (OSTI)

The goal of the research is to improve the competitive edge of steel mills by using the advanced CFD technology to optimize the gas and burden distributions inside a blast furnace for achieving the best gas utilization. A state-of-the-art 3-D CFD model has been developed for simulating the gas distribution inside a blast furnace at given burden conditions, burden distribution and blast parameters. The comprehensive 3-D CFD model has been validated by plant measurement data from an actual blast furnace. Validation of the sub-models is also achieved. The user friendly software package named Blast Furnace Shaft Simulator (BFSS) has been developed to simulate the blast furnace shaft process. The research has significant benefits to the steel industry with high productivity, low energy consumption, and improved environment.

Dr. Chenn Zhou

2012-08-15T23:59:59.000Z

269

Adaptation to space applications of a 2000 c furnace with oxidizing atmosphere  

SciTech Connect

The possibility of using a low weight low power consumption furnace with oxidizing atmosphere at 2000 C for space applications is discussed. The main heating element is made of zirconium oxide with a platinum preheating system. The structure and stabilization of zirconium oxide are detailed together with its application to the space situation. The static and dynamic regimes are discussed with regard to measurement of the resistivity as a function of temperature and dynamic model. The temperature distribution in the furnace and in a main heating element were studied in relation to thermal insulation and weight budget. A model is proposed for optimal control and thermostat using analog simulation. The final concept requires 350 W for an isothermal furnace of 20 mm diameter weighing 3 kg. The cases of temperature gradient furnaces and of universal furnaces are reviewed. (GRA)

1975-01-01T23:59:59.000Z

270

BPM Motors in Residential Gas Furnaces: What are theSavings?  

Science Conference Proceedings (OSTI)

Residential gas furnaces contain blowers to distribute warm air. Currently, furnace blowers use either a Permanent Split Capacitor (PSC) or a Brushless Permanent Magnet (BPM) motor. Blowers account for the majority of furnace electricity consumption. Therefore, accurate determination of the blower electricity consumption is important for understanding electricity consumption of furnaces. The electricity consumption of blower motors depends on the static pressure across the blower. This paper examines both types of blower motors in non-condensing non-weatherized gas furnaces at a range of static pressures. Fan performance data is based on manufacturer product literature and laboratory tests. We use field-measured static pressure in ducts to get typical system curves to calculate how furnaces would operate in the field. We contrast this with the electricity consumption of a furnace blower operating under the DOE test procedure and manufacturer rated conditions. Furnace electricity use is also affected by operating modes that happen at the beginning and end of each furnace firing cycle. These operating modes are the pre-purge and post-purge by the draft inducer, the on-delay and off-delay of the blower, and the hot surface ignitor operation. To accurately calculate this effect, we use the number of firing cycles in a typical California house in the Central Valley of California. Cooling hours are not considered in the DOE test procedure. We also account for furnace blower use by the air conditioner and stand-by power. Overall BPM motors outperform PSC motors, but the total electricity savings are significantly less than projected using the DOE test procedure conditions. The performance gains depend on the static pressure of the household ducts, which are typically much higher than in the test procedures.

Lutz, James; Franco, Victor; Lekov, Alex; Wong-Parodi, Gabrielle

2006-05-12T23:59:59.000Z

271

Final report on the project entitled: Highly Preheated Combustion Air System with/without Oxygen Enrichment for Metal Processing Furnaces  

SciTech Connect

This work develops and demonstrates a laboratory-scale high temperature natural gas furnace that can operate with/without oxygen enrichment to significantly improve energy efficiency and reduce emissions. The laboratory-scale is 5ft in diameter & 8ft tall. This furnace was constructed and tested. This report demonstrates the efficiency and pollutant prevention capabilities of this test furnace. The project also developed optical detection technology to control the furnace output.

Arvind Atreya

2007-02-16T23:59:59.000Z

272

High-bandwidth continuous-flow arc furnace  

DOE Patents (OSTI)

A high-bandwidth continuous-flow arc furnace for stream welding applications includes a metal mass contained in a crucible having an orifice. A power source charges an electrode for generating an arc between the electrode and the mass. The arc heats the metal mass to a molten state. A pressurized gas source propels the molten metal mass through the crucible orifice in a continuous stream. As the metal is ejected, a metal feeder replenishes the molten metal bath. A control system regulates the electrode current, shielding gas pressure, and metal source to provide a continuous flow of molten metal at the crucible orifice. Independent control over the electrode current and shield gas pressure decouples the metal flow temperature and the molten metal flow rate, improving control over resultant weld characteristics. 4 figs.

Hardt, D.E.; Lee, S.G.

1996-08-06T23:59:59.000Z

273

Sandjet- A New Alternative for Cleaning Furnace Tubes  

E-Print Network (OSTI)

Energy management in modern refineries is becoming more difficult as the real cost of in-house and purchased fuel escalates and the quality of feed stocks decreases. Furnace tube maintenance has been made more complex by the presence of not only coke but extensive inorganic deposits while the demands of efficient fuel utilization require superior results from decoking procedures. Union Carbide Industrial Services Co., (UCISCO), is continuing the development of its proprietary 'SANDJET' system that removes coke as well as other inorganic deposits efficiently and rapidly. The procedure features computerized job planning and control in order to assure accurate estimates of cost and the proper selection of cleaning parameters and materials. Energy saving benefits of the process have recently become obvious and case studies summarizing these results are discussed. A description of the newly developed job controls and a brief summary of recent experiences in the field will be described in this paper.

Pollock, C. B.

1981-01-01T23:59:59.000Z

274

Exergy-based analysis and efficiency evaluation for an aluminum melting furnace in a die-casting plant  

Science Conference Proceedings (OSTI)

The efficiency of a natural gas-fired aluminum melting furnace in a die-casting plant is examined using energy and exergy methods, to improve understanding of the burner system in the furnace and so that potential improvements can be identified. Such ... Keywords: aluminum, die-casting, efficiency, energy, exergy, melting furnace

Marc A. Rosen; Dennis L. Lee

2009-02-01T23:59:59.000Z

275

Coke battery with 51-m{sup 3} furnace chambers and lateral supply of mixed gas  

SciTech Connect

The basic approaches employed in the construction of coke battery 11A at OAO Magnitogorskii Metallurgicheskii Kombinat are outlined. This battery includes 51.0-m{sup 3} furnaces and a dust-free coke-supply system designed by Giprokoks with lateral gas supply; it is heated exclusively by low-calorific mixed gas consisting of blast-furnace gas with added coke-oven gas. The 82 furnaces in the coke battery are divided into two blocks of 41. The gross coke output of the battery (6% moisture content) is 1140000 t/yr.

V.I. Rudyka; N.Y. Chebotarev; O.N. Surenskii; V.V. Derevich [Giprokoks, the State Institute for the Design of Coke-Industry Enterprises, Kharkov (Ukraine)

2009-07-15T23:59:59.000Z

276

List of Clothes Washers Incentives | Open Energy Information  

Open Energy Info (EERE)

Clothes Washers Incentives Clothes Washers Incentives Jump to: navigation, search The following contains the list of 514 Clothes Washers Incentives. CSV (rows 1-500) CSV (rows 501-514) Incentive Incentive Type Place Applicable Sector Eligible Technologies Active Alabama - Residential Energy-Efficient Appliance Rebate Program (Alabama) State Rebate Program Alabama Residential Clothes Washers Dishwasher Refrigerators No Alaska - Residential Energy-Efficient Appliance Rebate Program (Alaska) State Rebate Program Alaska Residential Clothes Washers Dishwasher Refrigerators No Alexandria Light and Power - Residential Energy Efficiency Rebate Program (Minnesota) Utility Rebate Program Minnesota Residential Central Air conditioners Clothes Washers Dehumidifiers Dishwasher

277

Economics of Residential Gas Furnaces and Water Heaters in United States  

NLE Websites -- All DOE Office Websites (Extended Search)

Economics of Residential Gas Furnaces and Water Heaters in United States Economics of Residential Gas Furnaces and Water Heaters in United States New Construction Market Speaker(s): Alex Lekov Gabrielle Wong-Parodi James McMahon Victor Franco Date: May 8, 2009 - 12:00pm Location: 90-3122 In the new single-family home construction market, the choice of what gas furnace and gas water heater combination to install is primarily driven by first cost considerations. In this study, the authors use a life-cycle cost analysis approach that accounts for uncertainty and variability of inputs to assess the economic benefits of installing different gas furnace and water heater combinations. Among other factors, it assesses the economic feasibility of eliminating the traditional metal vents and replacing them with vents made of plastic materials used in condensing and power vent

278

Residential Bulk-Fed Wood-Pellet Central Boilers and Furnace Rebate Program  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Residential Bulk-Fed Wood-Pellet Central Boilers and Furnace Rebate Residential Bulk-Fed Wood-Pellet Central Boilers and Furnace Rebate Program Residential Bulk-Fed Wood-Pellet Central Boilers and Furnace Rebate Program < Back Eligibility Multi-Family Residential Residential Savings Category Heating & Cooling Commercial Heating & Cooling Heating Maximum Rebate $6,000 Program Info Funding Source New Hampshire Renewable Energy Fund (FY 2013) Start Date 04/14/2010 Expiration Date When progr State New Hampshire Program Type State Rebate Program Rebate Amount 30% Provider New Hampshire Public Utilities Commission The New Hampshire Public Utilities Commission (PUC) is offering rebates of 30% of the installed cost of qualifying new residential bulk-fed, wood-pellet central heating boilers or furnaces. The maximum rebate is $6,000. To qualify, systems must (1) become operational on or after May 1,

279

Life-cycle cost analysis of energy efficiency design options for residential furnaces and boilers  

E-Print Network (OSTI)

equipment = furnace Heating fuel = oil Home type = single orequipment = boiler Heating fuel = oil Home type = single orHOME HEATING FUEL CON 3 NATURAL GAS FROM UNDERGROUND PIPES = 1 BOTTLED GAS (LPG OR PROPANE) = 2 FUEL OIL

Lutz, James; Lekov, Alex; Whitehead, Camilla Dunham; Chan, Peter; Meyers, Steve; McMahon, James

2004-01-01T23:59:59.000Z

280

Life-cycle cost analysis of energy efficiency design options for residential furnaces and boilers  

E-Print Network (OSTI)

of separate costs for natural gas or oil, and electricity.receives oil-fired boilers INPUTS First Cost Inputs The flowfurnaces, and oil-fired furnaces, we scaled the cost for

Lutz, James; Lekov, Alex; Whitehead, Camilla Dunham; Chan, Peter; Meyers, Steve; McMahon, James

2004-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "dehumidifiers dishwasher furnaces" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


281

Refinery Furnaces Retrofit with Gas Turbines Achieve Both Energy Savings and Emission Reductions  

E-Print Network (OSTI)

Integrating gas turbines with refinery furnaces can be a cost effective means of reducing NOx emissions while also generating electricity at an attractive heat rate. Design considerations and system costs are presented.

Giacobbe, F.; Iaquaniello, G.; Minet, R. G.; Pietrogrande, P.

1985-05-01T23:59:59.000Z

282

Modeling energy consumption of residential furnaces and boilers in U.S. homes  

E-Print Network (OSTI)

is standard in HVAC design and fan selection books 6 . Theof modulating design options. The cooling fan curve passesfan curve and the duct system curve. We calculated the furnace fuel consumption for each design

Lutz, James; Dunham-Whitehead, Camilla; Lekov, Alex; McMahon, James

2004-01-01T23:59:59.000Z

283

Infrared Imaging of Temperature Distribution in a High Temperature X-Ray Diffraction Furnace  

Science Conference Proceedings (OSTI)

High Temperature X-ray Diffraction (HTXRD) is a very powerful tool for studies of reaction kinetics, phase transformations, and lattice thermal expansion of advanced materials. Accurate temperature measurement is a critical part of the technique. Traditionally, thermocouples, thermistors, and optical pyrometers have been used for temperature control and measurement and temperature could only be measured at a single point. Infrared imaging was utilized in this study to characterize the thermal gradients resulting from various sample and furnace configurations in a commercial strip heater furnace. Furnace configurations include a metallic strip heater, with and without a secondary surround heater, or a surround heater alone. Sample configurations include low and high thermal conductivity powders and solids. The IR imaging results have been used to calibrate sample temperatures in the HTXRD furnace.

Payzant, E.A.; Wang, H.

1999-04-05T23:59:59.000Z

284

Improving Gas Furnace Performance: A Field and Laboratory Study at End of Life  

SciTech Connect

Natural gas furnaces are rated for efficiency using the U.S. Department of Energy (DOE) annual fuel utilization efficiency (AFUE) test standard under controlled laboratory test conditions. In the home, these furnaces are then installed under conditions that can vary significantly from the standard, require adjustment by the installing contractor to adapt to field conditions, may or may not be inspected over their useful lifetimes, and can operate with little maintenance over a 30-year period or longer. At issue is whether the installation practices, field conditions, and wear over the life of the furnace reduce the efficiency significantly from the rated efficiency. In this project, nine furnaces, with 15-24 years of field service, were removed from Iowa homes and tested in the lab under four conditions to determine the effects of installation practices, field operating conditions, and age on efficiency.

Brand, L.; Yee, S.; Baker, J.

2013-08-01T23:59:59.000Z

285

Microsoft Word - ACEEE_06_FurnaceBlower_Paper413_lbl.doc  

NLE Websites -- All DOE Office Websites (Extended Search)

motors in non-condensing non-weatherized gas furnaces at a range of static pressures. Fan performance data is based on manufacturer product literature and laboratory tests. We...

286

Microsoft Word - ACEEE_06_ModulatingFurnaces_Paper236_lbl.doc  

NLE Websites -- All DOE Office Websites (Extended Search)

found in the DOE test procedure and provides an improved methodology for calculating the energy consumption of two-stage furnaces. The objectives of this paper are to explore the...

287

Vertical feed stick wood fuel burning furnace system  

DOE Patents (OSTI)

A new and improved stove or furnace for efficient combustion of wood fuel including a vertical feed combustion chamber for receiving and supporting wood fuel in a vertical attitude or stack, a major upper portion of the combustion chamber column comprising a water jacket for coupling to a source of water or heat transfer fluid and for convection circulation of the fluid for confining the locus of wood fuel combustion to the bottom of the vertical gravity feed combustion chamber. A flue gas propagation delay channel extending from the laterally directed draft outlet affords delayed travel time in a high temperature environment to assure substantially complete combustion of the gaseous products of wood burning with forced air as an actively induced draft draws the fuel gas and air mixture laterally through the combustion and high temperature zone. Active sources of forced air and induced draft are included, multiple use and circuit couplings for the recovered heat, and construction features in the refractory material substructure and metal component superstructure.

Hill, Richard C. (Orono, ME)

1984-01-01T23:59:59.000Z

288

Vertical feed stick wood fuel burning furnace system  

DOE Patents (OSTI)

A stove or furnace for efficient combustion of wood fuel includes a vertical feed combustion chamber (15) for receiving and supporting wood fuel in a vertical attitude or stack. A major upper portion of the combustion chamber column comprises a water jacket (14) for coupling to a source of water or heat transfer fluid for convection circulation of the fluid. The locus (31) of wood fuel combustion is thereby confined to the refractory base of the combustion chamber. A flue gas propagation delay channel (34) extending laterally from the base of the chamber affords delayed travel time in a high temperature refractory environment sufficient to assure substantially complete combustion of the gaseous products of wood burning with forced air prior to extraction of heat in heat exchanger (16). Induced draft draws the fuel gas and air mixture laterally through the combustion chamber and refractory high temperature zone to the heat exchanger and flue. Also included are active sources of forced air and induced draft, multiple circuit couplings for the recovered heat, and construction features in the refractory material substructure and metal component superstructure.

Hill, Richard C. (Orono, ME)

1982-01-01T23:59:59.000Z

289

Detailed model for practical pulverized coal furnaces and gasifiers  

SciTech Connect

The need to improve efficiency and reduce pollutant emissions commercial furnaces has prompted energy companies to search for optimized operating conditions and improved designs in their fossil-fuel burning facilities. Historically, companies have relied on the use of empirical correlations and pilot-plant data to make decisions about operating conditions and design changes. The high cost of collecting data makes obtaining large amounts of data infeasible. The main objective of the data book is to provide a single source of detailed three-dimensional combustion and combustion-related data suitable for comprehensive combustion model evaluation. Five tasks were identified as requirements to achieve the main objective. First, identify the types of data needed to evaluate comprehensive combustion models, and establish criteria for selecting the data. Second, identify and document available three-dimensional combustion data related to pulverized coal combustion. Third, collect and evaluate three-dimensional data cases, and select suitable cases based on selection criteria. Fourth, organize the data sets into an easy-to-use format. Fifth, evaluate and interpret the nature and quality of the data base. 39 refs., 15 figs., 14 tabs.

Philips, S.D.; Smoot, L.D.

1989-08-01T23:59:59.000Z

290

Development of a bench-scale metal distillation furnace  

SciTech Connect

Design of an inductively heated bench-scale distillation furnace (retort) capable of processing actinides is described. The apparatus consists of a vacuum/inert gas bell jar, a bell-jar lift, a nonwater-cooled induction coil, the induction tank circuit, and a series of components designed to contain the metal melts and vapors. The apparatus is located within a nitrogen glovebox and is designed to process plutonium-containing feeds. The electrical parameters of the induction coil and tank circuit necessary for design were determined by two different methods; one is based solely on calculated impedance values, and the other used high-frequency impedance measurements on a mock-up of the induction coil/susceptor arrangement. During the design state, the two methods of determining electrical parameters gave similar results. With the as-built system, the impedance meter did detect some efficiency loss to the metal bell jar and coil support that the calculational method did not predict. These losses were not significant enough to cause operating problems, and thus, both methods were shown to be adequate for the intended purpose. Zinc and magnesium were distilled, and uranium was melted in a successful series of shake-down runs.

Vest, M.A.; Lewandowski, E.F.; Pierce, R.D.; Smith, J.L. [Argonne National Lab., IL (United States). Chemical Technology Div.

1997-12-01T23:59:59.000Z

291

Thermal Treatment of Solid Wastes Using the Electric Arc Furnace  

Science Conference Proceedings (OSTI)

A thermal waste treatment facility has been developed at the Albany Research Center (ARC) over the past seven years to process a wide range of heterogeneous mixed wastes, on a scale of 227 to 907 kg/h (500 to 2,000 lb/h). The current system includes a continuous feed system, a 3-phase AC, 0.8 MW graphite electrode arc furnace, and a dedicated air pollution control system (APCS) which includes a close-coupled thermal oxidizer, spray cooler, baghouse, and wet scrubber. The versatility of the complete system has been demonstrated during 5 continuous melting campaigns, ranging from 11 to 25 mt (12 to 28 st) of treated wastes per campaign, which were conducted on waste materials such as (a) municipal incinerator ash, (b) simulated low-level radioactive, high combustible-bearing mixed wastes, (c) simulated low-level radioactive liquid tank wastes, (d) heavy metal contaminated soils, and (e) organic-contaminated dredging spoils. In all cases, the glass or slag products readily passed the U.S. Environmental Protection Agency (EPA) Toxicity Characteristic Leachability Program (TCLP) test. Additional studies are currently under way on electric utility wastes, steel and aluminum industry wastes, as well as zinc smelter residues. Thermal treatment of these solid waste streams is intended to produce a metallic product along with nonhazardous glass or slag products.

O'Connor, W.K.; Turner, P.C.

1999-09-01T23:59:59.000Z

292

Clean Coal III Project: Blast Furnace Granular Coal Injection Project Trial 1 Report - Blast Furnace Granular Coal Injection - Results with Low Volatile Coal  

SciTech Connect

This report describes the first coal trial test conducted with the Blast Furnace Granular Coal Injection System at Bethlehem Steel Corporation's Burns Harbor Plant. This demonstration project is divided into three phases: Phase I - Design Phase II - Construction Phase III - Operation The design phase was conducted in 1991-1993. Construction of the facility began in August 1993 and was completed in late 1994. The coal injection facility began operating in January 1995 and Phase III began in November 1995. The Trial 1 base test orI C furnace was carried out in October 1996 as a comparison period for the analysis of the operation during subsequent coal trials.

1997-11-01T23:59:59.000Z

293

Expert Meeting Report: Achieving the Best Installed Performance from High-Efficiency Residential Gas Furnaces  

SciTech Connect

This report describes a Building America expert meeting hosted on July 28, 2011, by the Partnership for Advanced Residential Retrofit team. The purpose of this meeting was to identify installation practices that provide the best installed efficiency for residential gas furnaces, explain how AFUE and field efficiency can differ, and investigate the impact of installation practices on the efficiency and long-term durability of the furnace.

Brand, L.

2012-03-01T23:59:59.000Z

294

Coal combustion under conditions of blast furnace injection. Final technical report, September 1, 1992--August 31, 1993  

Science Conference Proceedings (OSTI)

A potentially new use for Illinois coal is as a fuel injected into a blast furnace to produce molten iron as the first step in steel production. Because of its increasing cost and decreasing availability, metallurgical coke is now being replaced by coal injected at the tuyere area of the furnace where the blast air enters. The purpose of this study is to evaluate the combustion of coal during the blast furnace injection process and to delineate the optimum properties of the feed coal. This investigation is significant to the use of Illinois coal in that the limited research to date suggests that coals of low fluidity and moderate to high sulfur and chlorine contents are suitable feedstocks for blast furnace injection. During the first phase of this project a number of the objectives were realized, specifically: (1) a blast furnace sampling system was developed and used successfully to collect samples inside an active furnace; (2) two sets of blast furnace samples were collected and petrographic analysis showed that char derived from injected coal is entering the reduction zone of the furnace; (3) a coal/char sampling probe was designed and fabricated; (4) the completion of a program of reactivity experiments on the injected coal char, blast furnace coke and Herrin No. 6 char. The results of the reactivity experiments indicate that Herrin No. 6 coal is similar or even superior to coals now being used in blast furnace injection and that additional testing is warranted.

Crelling, J.C. [Southern Illinois Univ., Carbondale, IL (United States). Dept. of Geology; Case, E.R. [Armco, Inc., Middletown, OH (United States). Research and Technology Div.

1993-12-31T23:59:59.000Z

295

Furnace and Heat Recovery Area Design and Analysis for Conceptual Design of Oxygen-Based PC Boiler  

Science Conference Proceedings (OSTI)

The objective of the furnace and heat recovery area design and analysis task of the Conceptual Design of Oxygen-Based PC Boiler study is to optimize the location and design of the furnace, burners, over-fire gas ports, and internal radiant surfaces. The furnace and heat recovery area were designed and analyzed using the FW-FIRE and HEATEX computer programs. The furnace is designed with opposed wall-firing burners and over-fire air ports. Water is circulated in the furnace by natural circulation to the waterwalls and divisional wall panels. Compared to the air-fired furnace, the oxygen-fired furnace requires only 65% of the surface area and 45% of the volume. Two oxygen-fired designs were simulated: (1) without over-fire air and (2) with 20% over-fire air. The maximum wall heat flux in the oxygen-fired furnace is more than double that of the air-fired furnace due to the higher flame temperature and higher H{sub 2}O and CO{sub 2} concentrations. The coal burnout for the oxygen-fired case is 100% due to a 500 F higher furnace temperature and higher concentration of O{sub 2}. Because of the higher furnace wall temperature of the oxygen-fired case compared to the air-fired case, furnace water wall material was upgraded from carbon steel to T91. The total heat transfer surface required in the oxygen-fired heat recovery area (HRA) is 25% less than the air-fired HRA due to more heat being absorbed in the oxygen-fired furnace and the greater molecular weight of the oxygen-fired flue gas. The HRA tube materials and wall thickness are practically the same for the air-fired and oxygen-fired design since the flue gas and water/steam temperature profiles encountered by the heat transfer banks are very similar.

Andrew Seltzer

2005-01-01T23:59:59.000Z

296

Uncertainty of calorimeter measurements at NREL's high flux solar furnace  

DOE Green Energy (OSTI)

The uncertainties of the calorimeter and concentration measurements at the High Flux Solar Furnace (HFSF) at the National Renewable Energy Laboratory (NREL) are discussed. Two calorimeter types have been used to date. One is an array of seven commercially available circular foil calorimeters (gardon or heat flux gages) for primary concentrator peak flux (up to 250 W/cm{sup 2}). The second is a cold-water calorimeter designed and built by the University of Chicago to measure the average exit power of the reflective compound parabolic secondary concentrator used at the HFSF (over 3.3 kW across a 1.6cm{sup {minus}2} exit aperture, corresponding to a flux of about 2 kW/cm{sup 2}). This paper discussed the uncertainties of the calorimeter and pyrheliometer measurements and resulting concentration calculations. The measurement uncertainty analysis is performed according to the ASME/ANSI standard PTC 19.1 (1985). Random and bias errors for each portion of the measurement are analyzed. The results show that as either the power or the flux is reduced, the uncertainties increase. Another calorimeter is being designed for a new, refractive secondary which will use a refractive material to produce a higher average flux (5 kW/cm{sup 2}) than the reflective secondary. The new calorimeter will use a time derivative of the fluid temperature as a key measurement of the average power out of the secondary. A description of this calorimeter and test procedure is also presented, along with a pre-test estimate of major sources of uncertainty. 8 refs., 4 figs., 3 tabs.

Bingham, C.E.

1991-12-01T23:59:59.000Z

297

Mathematical model of a tube furnace for catalytic conversion of hydrocarbons  

Science Conference Proceedings (OSTI)

The tube furnace is a complex unit in which there are hundreds of reaction tubes and coils for heating the reaction mixture, gas, air, steam and water. Optimum design of such a unit can be done only with a mathematical model of it. A number of physicochemical processes occur in the reaction furnace: conversions of natural gas with heat supplied through the wall of the tube, combustion of fuel in the firebox, transfer of heat from the radiating walls or flame to the reaction tubes, heating of the vapor-gas mixture and other flows in the convective zone of the furnace. These processes are interrelated and there are some difficulties in writing a mathematical model for the furnace. We have adopted the following principle for construction of a model: individual processes are being modeled and the starting data for calculation of these are the results of modeling of other processes. Calculation is made by sequential approximations until material and thermal balances are observed for all processes, as is indicated on the calculation flowsheet. Thermal calculations were made by methods discussed in (2). Modeling the tube furnace on a computer makes it possible to determine its working characteristics and range of safe operation. Computer calculations permit the time required for design of furnaces to be reduced substantially and the quality of the design to be improved. Higher demands are beingmade on tube furnaces for catalytic conversion of natural gas both with regard to operating reliability and economy because of the sharp increase of the unit capacities of ammonia and methanol synthesis plants.

Stepanov, A.V.; Sul'zhik, N.I.; Kadygrob, L.A.; Gorlov, V.F.; Mishin, V.P.; Dugach, V.V.

1981-02-01T23:59:59.000Z

298

Water-Heating Dehumidifier - Energy Innovation Portal  

Hydrogen and Fuel Cell; Hydropower, Wave and Tidal; Industrial Technologies; Solar ... When the tank of water heater is full of hot water or a ...

299

CSER 99-007 Criticality Safety Evaluation Report for PFP Glovebox HA-21I Muffle Furnace Operation for Plutonium Stabilization  

SciTech Connect

Criticality Safety Evaluation Report for operation of PFP Glovebox HA-21I muffle furnace for plutonium stabilization. Glovebox limits are specified for processing metal and oxide fissile materials.

DOBBIN, K.D.

1999-12-16T23:59:59.000Z

300

A Feasibility Study for Recycling Used Automotive Oil Filters In A Blast Furnace  

SciTech Connect

This feasibility study has indicated that of the approximately 120,000 tons of steel available to be recycled from used oil filters (UOF's), a maximum blast furnace charge of 2% of the burden may be anticipated for short term use of a few months. The oil contained in the most readily processed UOF's being properly hot drained and crushed is approximately 12% to 14% by weight. This oil will be pyrolized at a rate of 98% resulting in additional fuel gas of 68% and a condensable hydrocarbon fraction of 30%, with the remaining 2% resulting as carbon being added into the burden. Based upon the writer's collected information and assessment, there appears to be no operational problems relating to the recycling of UOF's to the blast furnace. One steel plant in the US has been routinely charging UOF's at about 100 tons to 200 tons per month for many years. Extensive analysis and calculations appear to indicate no toxic consideration as a result of the pyrolysis of the small contained oil ( in the 'prepared' UOFs) within the blast furnace. However, a hydrocarbon condensate in the ''gasoline'' fraction will condense in the blast furnace scrubber water and may require additional processing the water treatment system to remove benzene and toluene from the condensate. Used oil filters represent an additional source of high quality iron units that may be effectively added to the charge of a blast furnace for beneficial value to the operator and to the removal of this resource from landfills.

Ralph M. Smailer; Gregory L. Dressel; Jennifer Hsu Hill

2002-01-21T23:59:59.000Z

Note: This page contains sample records for the topic "dehumidifiers dishwasher furnaces" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


301

Economics of residential gas furnaces and water heaters in United States new construction market  

SciTech Connect

New single-family home construction represents a significant and important market for the introduction of energy-efficient gas-fired space heating and water-heating equipment. In the new construction market, the choice of furnace and water-heater type is primarily driven by first cost considerations and the availability of power vent and condensing water heaters. Few analysis have been performed to assess the economic impacts of the different combinations of space and water-heating equipment. Thus, equipment is often installed without taking into consideration the potential economic and energy savings of installing space and water-heating equipment combinations. In this study, we use a life-cycle cost analysis that accounts for uncertainty and variability of the analysis inputs to assess the economic benefits of gas furnace and water-heater design combinations. This study accounts not only for the equipment cost but also for the cost of installing, maintaining, repairing, and operating the equipment over its lifetime. Overall, this study, which is focused on US single-family new construction households that install gas furnaces and storage water heaters, finds that installing a condensing or power-vent water heater together with condensing furnace is the most cost-effective option for the majority of these houses. Furthermore, the findings suggest that the new construction residential market could be a target market for the large-scale introduction of a combination of condensing or power-vent water heaters with condensing furnaces.

Lekov, Alex B.; Franco, Victor H.; Wong-Parodi, Gabrielle; McMahon, James E.; Chan, Peter

2009-05-06T23:59:59.000Z

302

Coal combustion under conditions of blast furnace injection; [Quarterly] technical report, September 1--November 30, 1993  

SciTech Connect

A potentially new use for Illinois coal is its use as a fuel injected into a blast furnace to produce molten iron as the first step in steel production. Because of its increasing cost and decreasing availability, metallurgical coke is now being replaced by coal injected at the tuyere area of the furnace where the blast air enters. The purpose of this study is to evaluate the combustion of coal during the blast furnace injection process and to delineate the optimum properties of the feed coal. This investigation is significant to the use of Illinois coal in that the limited research to date suggests that coals of low fluidity and moderate to high sulfur and chlorine contents are suitable feedstocks for blast furnace injection. This study is unique in that it will be the first North American effort to directly determine the nature of the combustion of coal injected into a blast furnace. This proposal is a follow-up to one funded for the 1992--1993 period. It is intended to complete the study already underway with the Armco Inc. steel company and to initiate a new cooperative study along somewhat similar lines with the Inland Steel Company. The results of this study will lead to the development of a testing and evaluation protocol that will give a unique and much needed understanding of the behavior of coal in the injection process and prove the potential of Illinois coals f or such use.

Crelling, J.C.

1993-12-31T23:59:59.000Z

303

Recovery Act: ArcelorMittal USA Blast Furnace Gas Flare Capture  

SciTech Connect

The U.S. Department of Energy (DOE) awarded a financial assistance grant under the American Recovery and Reinvestment Act of 2009 (Recovery Act) to ArcelorMittal USA, Inc. (ArcelorMittal) for a project to construct and operate a blast furnace gas recovery boiler and supporting infrastructure at ArcelorMittals Indiana Harbor Steel Mill in East Chicago, Indiana. Blast furnace gas (BFG) is a by-product of blast furnaces that is generated when iron ore is reduced with coke to create metallic iron. BFG has a very low heating value, about 1/10th the heating value of natural gas. BFG is commonly used as a boiler fuel; however, before installation of the gas recovery boiler, ArcelorMittal flared 22 percent of the blast furnace gas produced at the No. 7 Blast Furnace at Indiana Harbor. The project uses the previously flared BFG to power a new high efficiency boiler which produces 350,000 pounds of steam per hour. The steam produced is used to drive existing turbines to generate electricity and for other requirements at the facility. The goals of the project included job creation and preservation, reduced energy consumption, reduced energy costs, environmental improvement, and sustainability.

Seaman, John

2013-01-14T23:59:59.000Z

304

DOE/EA-1745 FINAL ENVIRONMENTAL ASSESSMENT FOR THE BLAST FURNACE GAS FLARE  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

5 5 FINAL ENVIRONMENTAL ASSESSMENT FOR THE BLAST FURNACE GAS FLARE CAPTURE PROJECT AT THE ARCELORMITTAL USA, INC. INDIANA HARBOR STEEL MILL, EAST CHICAGO, INDIANA U.S. Department of Energy National Energy Technology Laboratory August 2010 DOE/EA-1745 FINAL ENVIRONMENTAL ASSESSMENT FOR THE BLAST FURNACE GAS FLARE CAPTURE PROJECT AT THE ARCELORMITTAL USA, INC. INDIANA HARBOR STEEL MILL, EAST CHICAGO, INDIANA U.S. Department of Energy National Energy Technology Laboratory August 2010 DOE/EA-1745 iii COVER SHEET Responsible Agency: U.S. Department of Energy (DOE) Title: Final Environmental Assessment for the Blast Furnace Gas Flare Capture Project at the ArcelorMittal USA, Inc. Indiana Harbor Steel Mill, East Chicago, Indiana

305

The Impact of Forced Air System Blowers on Furnace Performance and Utility  

NLE Websites -- All DOE Office Websites (Extended Search)

The Impact of Forced Air System Blowers on Furnace Performance and Utility The Impact of Forced Air System Blowers on Furnace Performance and Utility Loads Speaker(s): Bert Phillips Date: November 7, 2003 - 12:00pm Location: Bldg. 90 Seminar Host/Point of Contact: James Lutz Bert Phillips will talk about the impact of forced air system blower performance on furnace or heating performance and on utility loads, and what can be done to reduce blower power requirements. He will also briefly discuss a ground source heat pump monitoring study that he just finished. Mr. Phillips is a registered Professional Engineer in three Canadian provinces and part owner of UNIES Ltd., an engineering firm in Winnipeg, Manitoba (60 miles straight north of the North Dakota/Minnesota border). He does research and HVAC system design and investigates

306

Furnace Creek Ranch Pool & Spa Low Temperature Geothermal Facility | Open  

Open Energy Info (EERE)

Furnace Creek Ranch Pool & Spa Low Temperature Geothermal Facility Furnace Creek Ranch Pool & Spa Low Temperature Geothermal Facility Facility Furnace Creek Ranch Sector Geothermal energy Type Pool and Spa Location Death Valley, California Coordinates Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[]}

307

HEU Holdup Measurements in 321-M B and Spare U-Al Casting Furnaces  

Science Conference Proceedings (OSTI)

The Analytical Development Section of Savannah River Technology Center (SRTC) was requested by the Facilities Decontamination Division (FDD) to determine the holdup of enriched uranium in the 321-M facility as part of an overall deactivation project of the facility. The 321-M facility was used to fabricate enriched uranium fuel assemblies, lithium-aluminum target tubes, neptunium assemblies, and miscellaneous components for the production reactors. This report covers holdup measurements in two uranium aluminum alloy (U-Al) casting furnaces. Our results indicate an upper limit of 235U content for the B and Spare furnaces of 51 and 67 g respectively. This report discusses the methodology, non-destructive assay (NDA) measurements, and results of the uranium holdup on the two furnaces.

Salaymeh, S.R.

2002-04-30T23:59:59.000Z

308

Apparatus having inductively coupled coaxial coils for measuring buildup of slay or ash in a furnace  

DOE Patents (OSTI)

The buildup of slag or ash on the interior surface of a furnace wall is monitored by disposing two coils to form a transformer which is secured adjacent to the inside surface of the furnace wall. The inductive coupling between the two coils of the transformer is affected by the presence of oxides of iron in the slag or ash which is adjacent to the transformer, and the application of a voltage to one winding produces a voltage at the other winding that is related to the thickness of the slag or ash buildup on the inside surface of the furnace wall. The output of the other winding is an electrical signal which can be used to control an alarm or the like or provide an indication of the thickness of the slag or ash buildup at a remote location.

Mathur, Mahendra P. (Pittsburgh, PA); Ekmann, James M. (Bethel Park, PA)

1989-01-01T23:59:59.000Z

309

Blast furnace granular coal injection project. Annual report, January--December 1993  

SciTech Connect

This initial annual report describes the Blast Furnace Granular Coal Injection project being implemented at Bethlehem Steel Corporation`s (BSC) Burns Harbor, Indiana, plant. This installation will be the first in the United States to employ British Steel technology that uses granular coal to provide part of the fuel requirement of blast furnaces. The project will demonstrate/assess a broad range of technical/economic issues associated with the use of coal for this purpose. These include: coal grind size, coal injection rate, coal source (type) and blast furnace conversion method. Preliminary Design (Phase 1) began in 1991 with detailed design commencing in 1993. Construction at Burns Harbor (Phase 2) began in August 1993. Construction is expected to complete in the first quarter of 1995 which will be followed by the demonstration test program (Phase 3). Progress is described.

1994-06-01T23:59:59.000Z

310

Coal combustion under conditions of blast furnace injection. Technical report, March 1, 1994--May 31, 1994  

Science Conference Proceedings (OSTI)

A potentially new use for Illinois coal is its use as a fuel injected into a blast furnace to produce molten iron as the first step in steel production. Because of its increasing cost and decreasing availability, metallurgical coke is now being replaced by coal injected at the tuyere area of the furnace where the blast air enters. The purpose of this study is to evaluate the combustion of coal during the blast furnace injection process and to delineate the optimum properties of the feed coal. This investigation is significant to the use of Illinois coal in that the limited research to date suggests that coals of low fluidity and moderate to high sulfur and chlorine contents are suitable feedstocks for blast furnace injection. This proposal is a follow-up to one funded for the 1992-93 period. It is intended to complete the study already underway with the Armco Inc. Steel Company and to initiate a new cooperative study along somewhat similar lines with the Inland Steel Company. The results of this study will lead to the development of a testing and evaluation protocol that will give a unique and much needed understanding of the behavior of coal in the injection process and prove the potential of Illinois coals for such use. During this quarter samples of two feed coals and the IBCSP 112 (Herrin No. 6) were prepared for reactivity testing and compared to blast furnace coke, and char fines taken from an active blast furnace. As the initial part of a broad reactivity analysis program, these same samples were also analyzed on a thermogravimetric analyzer (TGA) to determine their combustion and reactivity properties.

Crelling, J.C. [Southern Illinois Univ., Carbondale, IL (United States)

1994-09-01T23:59:59.000Z

311

Development of the Household Sample for Furnace and Boiler Life-Cycle Cost  

NLE Websites -- All DOE Office Websites (Extended Search)

Development of the Household Sample for Furnace and Boiler Life-Cycle Cost Development of the Household Sample for Furnace and Boiler Life-Cycle Cost Analysis Title Development of the Household Sample for Furnace and Boiler Life-Cycle Cost Analysis Publication Type Report LBNL Report Number LBNL-55088 Year of Publication 2005 Authors Whitehead, Camilla Dunham, Victor H. Franco, Alexander B. Lekov, and James D. Lutz Document Number LBNL-55088 Pagination 22 Date Published May 31 Publisher Lawrence Berkeley National Laboratory City Berkeley Abstract Residential household space heating energy use comprises close to half of all residential energy consumption. Currently, average space heating use by household is 43.9 Mbtu for a year. An average, however, does not reflect regional variation in heating practices, energy costs, or fuel type. Indeed, a national average does not capture regional or consumer group cost impacts from changing efficiency levels of heating equipment. The US Department of Energy sets energy standards for residential appliances in, what is called, a rulemaking process. The residential furnace and boiler efficiency rulemaking process investigates the costs and benefits of possible updates to the current minimum efficiency regulations. Lawrence Berkeley National Laboratory (LBNL) selected the sample used in the residential furnace and boiler efficiency rulemaking from publically available data representing United States residences. The sample represents 107 million households in the country. The data sample provides the household energy consumption and energy price inputs to the life-cycle cost analysis segment of the furnace and boiler rulemaking. This paper describes the choice of criteria to select the sample of houses used in the rulemaking process. The process of data extraction is detailed in the appendices and is easily duplicated.The life-cycle cost is calculated in two ways with a household marginal energy price and a national average energy price. The LCC results show that using an national average energy price produces higher LCC savings but does not reflect regional differences in energy price.

312

Furnace and Heat Recovery Area Design and Analysis for Conceptual Design of Supercritical O2-Based PC Boiler  

Science Conference Proceedings (OSTI)

The objective of the furnace and heat recovery area design and analysis task of the Conceptual Design of Supercritical Oxygen-Based PC Boiler study is to optimize the location and design of the furnace, burners, over-fire gas ports, and internal radiant surfaces. The furnace and heat recovery area were designed and analyzed using the FW-FIRE, Siemens, and HEATEX computer programs. The furnace is designed with opposed wall-firing burners and over-fire air ports. Water is circulated in the furnace by forced circulation to the waterwalls at the periphery and divisional wall panels within the furnace. Compared to the air-fired furnace, the oxygen-fired furnace requires only 65% of the surface area and 45% of the volume. Two oxygen-fired designs were simulated: (1) with cryogenic air separation unit (ASU) and (2) with oxygen ion transport membrane (OITM). The maximum wall heat flux in the oxygen-fired furnace is more than double that of the air-fired furnace due to the higher flame temperature and higher H{sub 2}O and CO{sub 2} concentrations. The coal burnout for the oxygen-fired case is 100% due to a 500 F higher furnace temperature and higher concentration of O{sub 2}. Because of the higher furnace wall temperature of the oxygen-fired case compared to the air-fired case, furnace water wall material was upgraded from T2 to T92. Compared to the air-fired heat recovery area (HRA), the oxygen-fired HRA total heat transfer surface is 35% less for the cryogenic design and 13% less for the OITM design due to more heat being absorbed in the oxygen-fired furnace and the greater molecular weight of the oxygen-fired flue gas. The HRA tube materials and wall thickness are nearly the same for the air-fired and oxygen-fired design since the flue gas and water/steam temperature profiles encountered by the heat transfer banks are similar.

Andrew Seltzer

2006-05-01T23:59:59.000Z

313

Research on Stability Criterion of Furnace Flame Combustion Based on Image Processing  

Science Conference Proceedings (OSTI)

This paper proposes and analyzes the stability criterion of furnace flame combustion based on image processing, which uses the maximum criterion of gray scale difference, the distance criterion of gravity center and mass center in the high temperature ... Keywords: image processing, stability, flame detection, boiler safety

Rongbao Chen, Wuting Fan, Jingci Bian, Fanhui Meng

2012-12-01T23:59:59.000Z

314

Treatment studies of plutonium-bearing INEEL waste surrogates in a bench-scale arc furnace  

SciTech Connect

Since 1989, the Subsurface Disposal Area (SDA) at the Idaho National Environmental and Engineering Laboratory (INEEL) has been included on the National Priority List for remediation. Arc- and plasma-heated furnaces are being considered for converting the radioactive mixed waste buried in the SDA to a stabilized-vitreous form. Nonradioactive, surrogate SDA wastes have been melted during tests in these types of furnaces, but data are needed on the behavior of transuranic (TRU) constituents, primarily plutonium, during thermal treatment. To begin collecting this data, plutonium-spiked SDA surrogates were processed in a bench-scale arc furnace to quantify the fate of the plutonium and other hazardous and nonhazardous metals. Test conditions included elevating the organic, lead, chloride, and sodium contents of the surrogates. Blends having higher organic contents caused furnace power levels to fluctuate. An organic content corresponding to 50% INEEL soil in a soil-waste blend was the highest achievable before power fluctuations made operating conditions unacceptable. The glass, metal, and off-gas solids produced from each surrogate blend tested were analyzed for elemental (including plutonium) content and the partitioning of each element to the corresponding phase was calculated.

Freeman, C.J.

1997-05-01T23:59:59.000Z

315

Recovery of titanium values from titanium grinding swarf by electric furnace smelting  

DOE Patents (OSTI)

A method for the recovery of valuable materials from titanium grinding swarf is provided comprising the steps of sieving the accumulated titanium grinding swarf to remove unwanted coarse trash and grinding wheel fragments, pelletizing, and smelting in an electric arc furnace to produce ferrotitanium and/or high titanium slag. 1 fig.

Gerdemann, S.J.; White, J.C.

1998-08-04T23:59:59.000Z

316

Directly induced swing for closed loop control of electroslag remelting furnace  

DOE Patents (OSTI)

An apparatus and method are disclosed for controlling an electroslag remelting furnace, imposing a periodic fluctuation on electrode drive speed and thereby generating a predictable voltage swing signal. The fluctuation is preferably done by imposition of a sine, square, or sawtooth wave on the drive dc offset signal. 8 figs.

Damkroger, B.

1998-04-07T23:59:59.000Z

317

Modeling energy consumption of residential furnaces and boilers in U.S. homes  

E-Print Network (OSTI)

alternative furnaces used in each house required derivation of the heating and coolingalternative efficiency levels and design options to meet the same heating and coolingand cooling loads of each sample house are known, it is possible to estimate what the energy consumption of alternative (

Lutz, James; Dunham-Whitehead, Camilla; Lekov, Alex; McMahon, James

2004-01-01T23:59:59.000Z

318

Estimation of Fuel Savings by Recuperation of Furnace Exhausts to Preheat Combustion Air  

E-Print Network (OSTI)

The recovery of waste energy in furnace exhaust gases is gaining in importance as fuel costs continue to escalate. Installation of a recuperator in the furnace exhaust stream to preheat the combustion air can result in considerable savings in fuel usage. These savings are primarily the result of the sensible heat increase of the combustion air and, to some extent, improved combustion efficiency. The amount of fuel saved will depend on the exhaust gas temperature, amount of excess air used, the type of burner and the furnace control system. These fuel savings may be accurately measured by metering the energy consumption per unit of production before and after installation of the recuperator. In the design of a waste heat recuperation system, it is necessary to be able to estimate the fuel saved by use of such a system. Standard industrial practice refers to the method described in the North American Combustion Handbook with its curves and tables that directly predict the percentage fuel savings. This paper analyzes the standard estimation technique and suggests a more realistic approach to calculation of percent fuel savings. Mass and enthalpy balances are provided for both methods and a typical furnace recuperation example is detailed to illustrate the differences in the two methods of calculating the percent energy saved.

Rebello, W. J.; Kohnken, K. H.; Phipps, H. R., Jr.

1980-01-01T23:59:59.000Z

319

Install Waste Heat Recovery Systems for Fuel-Fired Furnaces (English/Chinese) (Fact Sheet)  

SciTech Connect

Chinese translation of ITP fact sheet about installing Waste Heat Recovery Systems for Fuel-Fired Furnaces. For most fuel-fired heating equipment, a large amount of the heat supplied is wasted as exhaust or flue gases. In furnaces, air and fuel are mixed and burned to generate heat, some of which is transferred to the heating device and its load. When the heat transfer reaches its practical limit, the spent combustion gases are removed from the furnace via a flue or stack. At this point, these gases still hold considerable thermal energy. In many systems, this is the greatest single heat loss. The energy efficiency can often be increased by using waste heat gas recovery systems to capture and use some of the energy in the flue gas. For natural gas-based systems, the amount of heat contained in the flue gases as a percentage of the heat input in a heating system can be estimated by using Figure 1. Exhaust gas loss or waste heat depends on flue gas temperature and its mass flow, or in practical terms, excess air resulting from combustion air supply and air leakage into the furnace. The excess air can be estimated by measuring oxygen percentage in the flue gases.

Not Available

2011-10-01T23:59:59.000Z

320

Atomic-absorption analysis in a graphite furnace fitted with a metal ballast collector  

SciTech Connect

One reason for the deterioration in sensitivity in the electrothermal atomic absorption spectroscopy of petroleum products is the uncontrolled spread and diffusion of the liquid throughout the furnace. This paper describes a metal ballast collector whose wettability and sorptive properties contain the sample and allow for its uniform and controlled evaporation and atomization.

Katskov, D.A.; Vasil' eva, L.A.; Grinshtein, I.L.; Savel' eva, G.O.

1987-10-01T23:59:59.000Z

Note: This page contains sample records for the topic "dehumidifiers dishwasher furnaces" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


321

Using coal-dust fuel in Ukrainian and Russian blast furnaces  

SciTech Connect

Ukrainian and Russian blast-furnace production falls short of the best global practices. It is no secret that, having switched to oxygen and natural gas in the 1960s, the blast-furnace industries have improved the batch and technological conditions and have attained a productivity of 2.5 and even 3 t/(m{sup 3} day), but have not been able to reduce coke consumption below 400 kg/t, which was the industry standard 40 years ago. The situation is particularly bad in Ukraine: in 2007, furnace productivity was 1.5-2 t/m{sup 3}, with a coke consumption of 432-530 kg/t. Theoretical considerations and industrial experience over the last 20 years show that the large-scale introduction of pulverized fuel, with simultaneous improvement in coke quality and in batch and technological conditions, is the only immediately available means of reducing coke consumption considerably (by 20-40%). By this means, natural-gas consumption is reduced or eliminated, and the efficiency of blast-furnace production and ferrous metallurgy as a whole is increased.

A.A. Minaev; A.N. Ryzhenkov; Y.G. Banninkov; S.L. Yaroshevskii; Y.V. Konovalov; A.V. Kuzin [Donetsk National Technical University, Donetsk (Russian Federation)

2008-02-15T23:59:59.000Z

322

Glass Furnace Model (GFM) development and technology transfer program final report.  

Science Conference Proceedings (OSTI)

A Glass Furnace Model (GFM) was developed under a cost-shared R&D program by the U.S. Department of Energy's Argonne National Laboratory in close collaboration with a consortium of five glass industry members: Techneglas, Inc., Owens-Corning, Libbey, Inc., Osram Sylvania, Inc., and Visteon, Inc. Purdue University and Mississippi State University's DIAL Laboratory were also collaborators in the consortium. The GFM glass furnace simulation model that was developed is a tool industry can use to help define and evaluate furnace design changes and operating strategies to: (1) reduce energy use per unit of production; (2) solve problems related to production and glass quality by defining optimal operating windows to reduce cullet generation due to rejects and maximize throughput; and (3) make changes in furnace design and/or operation to reduce critical emissions, such as NO{sub x} and particulates. A two-part program was pursued to develop and validate the furnace model. The focus of the Part I program was to develop a fully coupled furnace model which had the requisite basic capabilities for furnace simulation. The principal outcome from the Phase I program was a furnace simulation model, GFM 2.0, which was copyrighted. The basic capabilities of GFM 2.0 were: (1) built-in burner models that can be included in the combustion space simulation; (2) a participating media spectral radiation model that maintains local and global energy balances throughout the furnace volume; and (3) a multiphase (liquid, solid) melt model that calculates (does not impose) the batch-melting rate and the batch length. The key objectives of the Part II program, which overlapped the Part I program were: (1) to incorporate a full multiphase flow analytical capability with reduced glass chemistry models in the glass melt model and thus be able to compute and track key solid, gas, and liquid species through the melt and the combustion space above; and (2) to incorporate glass quality indices into the simulation to facilitate optimization studies with regard to productivity, energy use and emissions. Midway through the Part II program, however, at the urging of the industrial consortium members, the decision was made to refocus limited resources on transfer of the existing GFM 2.0 software to the industry to speed up commercialization of the technology. This decision, in turn, necessitated a de-emphasis of the development of the planned final version of the GFM software that had full multiphase capability, GFM 3.0. As a result, version 3.0 was not completed; considerable progress, however, was made before the effort was terminated. The objectives of the Technology Transfer program were to transfer the Glass Furnace Model (GFM) to the glass industry and to promote its widespread use by providing the requisite technical support to allow effective use of the software. GFM Version 2.0 was offered at no cost on a trial, six-month basis to expedite its introduction to and use by the industry. The trial licenses were issued to generate a much more thorough user beta test of the software than the relatively small amount completed by the consortium members prior to the release of version 2.0.

Lottes, S. A.; Petrick, M.; Energy Systems

2007-12-04T23:59:59.000Z

323

Estimation of radiative properties and temperature distributions in coal-fired boiler furnaces by a portable image processing system  

Science Conference Proceedings (OSTI)

This paper presented an experimental investigation on the estimation of radiative properties and temperature distributions in a 670 t/h coal-fired boiler furnace by a portable imaging processing system. The portable system has been calibrated by a blackbody furnace. Flame temperatures and emissivities were measured by the portable system and equivalent blackbody temperatures were deduced. Comparing the equivalent blackbody temperatures measured by the portable system and the infrared pyrometer, the relative difference is less than 4%. The reconstructed pseudo-instantaneous 2-D temperature distributions in two cross-sections can disclose the combustion status inside the furnace. The measured radiative properties of particles in the furnace proved there is significant scattering in coal-fired boiler furnaces and it can provide useful information for the calculation of radiative heat transfer and numerical simulation of combustion in coal-fired boiler furnaces. The preliminary experimental results show this technology will be helpful for the combustion diagnosis in coal-fired boiler furnaces. (author)

Li, Wenhao; Lou, Chun; Sun, Yipeng; Zhou, Huaichun [State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan, 430074 Hubei (China)

2011-02-15T23:59:59.000Z

324

Modeling Energy Consumption of Residential Furnaces and Boilers in U.S. Homes  

NLE Websites -- All DOE Office Websites (Extended Search)

24 24 Modeling Energy Consumption of Residential Furnaces and Boilers in U.S. Homes James Lutz, Camilla Dunham-Whitehead, Alex Lekov, and James McMahon Energy Analysis Department Environmental Energy Technologies Division Ernest Orlando Lawrence Berkeley National Laboratory University of California Berkeley, CA 94720 February 2004 This work was supported by the Office of Building Technologies and Community Systems of the U.S. Department of Energy, under Contract No. DE-AC03-76SF00098. ABSTRACT In 2001, DOE initiated a rulemaking process to consider whether to amend the existing energy efficiency standards for furnaces and boilers. A key factor in DOE's consideration of new standards is their cost-effectiveness to consumers. Determining cost-effectiveness requires an

325

Building America Top Innovations 2013 Profile … High-Performance Furnace Blowers  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Annual Fuel Utilization Annual Fuel Utilization Efficiency [AFUE] and Seasonal Energy Efficiency Ratio [SEER] and at real installed conditions. A testing program was undertaken at two laboratories to compare the performance of furnace blowers over a range of static pressure differences that included standard rating points and measured field test pressures. Three different combinations of blowers and residential furnaces were tested. The laboratory test results for blower power and airflow were combined with DOE2 models of building loads, models of air conditioner performance, standby power, and igniter, and combustion air blower power to determine potential energy and peak demand impacts. BUILDING TECHNOLOGIES OFFICE Recognizing Top Innovations in Building Science - The U.S. Department of Energy's

326

Building America Top Innovations 2013 Profile … High-Performance Furnace Blowers  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

annual fuel utilization annual fuel utilization efficiency (AFUE) and seasonal energy efficiency ratio (SEER) and at real installed conditions. A testing program was undertaken at two laboratories to compare the performance of furnace blowers over a range of static pressure differences that included standard rating points and measured field test pressures. Three different combinations of blowers and residential furnaces were tested. The laboratory test results for blower power and airflow were combined with DOE2 models of building loads, models of air conditioner performance, standby power, and igniter and combustion air blower power to determine potential energy and peak demand impacts. BUILDING TECHNOLOGIES OFFICE Recognizing Top Innovations in Building Science - The U.S. Department of Energy's

327

Furnace Creek Inn Pool & Spa Low Temperature Geothermal Facility | Open  

Open Energy Info (EERE)

Inn Pool & Spa Low Temperature Geothermal Facility Inn Pool & Spa Low Temperature Geothermal Facility Jump to: navigation, search Name Furnace Creek Inn Pool & Spa Low Temperature Geothermal Facility Facility Furnace Creek Inn Sector Geothermal energy Type Pool and Spa Location Death Valley, California Coordinates Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[]}

328

Method for processing aluminum spent potliner in a graphite electrode ARC furnace  

SciTech Connect

A method of processing spent aluminum pot liner containing carbon, cyanide compositions, fluorides and inorganic oxides. The spent aluminum pot liner is crushed iron oxide is added to form an agglomerated material. The agglomerated material is melted in an electric arc furnace having the electrodes submerged in the molten material to provide a reducing environment during the furnace operation. In the reducing environment, pot liner is oxidized while the iron oxides are reduced to produce iron and a slag substantially free of cyanide compositions and fluorides. An off-gas including carbon oxides and fluorine is treated in an air pollution control system with an afterburner and a scrubber to produce NaF, water and a gas vented to the atmosphere free of cyanide compositions, fluorine and CO.

O' Connor, William K. (Lebanon, OR); Turner, Paul C. (Independence, OR); Addison, Gerald W. (St. Stephen, SC)

2002-12-24T23:59:59.000Z

329

Method for processing aluminum spent potliner in a graphite electrode arc furnace  

DOE Patents (OSTI)

A method of processing spent aluminum pot liner containing carbon, cyanide compositions, fluorides and inorganic oxides. The spend aluminum pot liner is crushed, iron oxide is added to form an agglomerated material. The agglomerated material is melted in an electric arc furnace having the electrodes submerged in the molten material to provide a reducing environment during the furnace operation. In the reducing environment, pot liner is oxidized while the iron oxides are reduced to produce iron and a slag substantially free of cyanide compositions and fluorides. An off-gas including carbon oxides and fluorine is treated in an air pollution control system with an afterburner and a scrubber to produce NaF, water and a gas vented to the atmosphere free of cyanide compositions, fluorine, and CO.

O' Connor, William K.; Turner, Paul C.; Addison, G.W. (AJT Enterprises, Inc.)

2002-12-24T23:59:59.000Z

330

Lance for fuel and oxygen injection into smelting or refining furnace  

DOE Patents (OSTI)

A furnace for smelting iron ore and/or refining molten iron is equipped with an overhead pneumatic lance, through which a center stream of particulate coal is ejected at high velocity into a slag layer. An annular stream of nitrogen or argon enshrouds the coal stream. Oxygen is simultaneously ejected in an annular stream encircling the inert gas stream. The interposition of the inert gas stream between the coal and oxygen streams prevents the volatile matter in the coal from combusting before it reaches the slag layer. Heat of combustion is thus more efficiently delivered to the slag, where it is needed to sustain the desired reactions occurring there. A second stream of lower velocity oxygen can be delivered through an outermost annulus to react with carbon monoxide gas rising from slag layer, thereby adding still more heat to the furnace. 7 figures.

Schlichting, M.R.

1994-12-20T23:59:59.000Z

331

Computational Fluid Dynamics Based Investigation of Sensitivity of Furnace Operational Conditions to Burner Flow Controls  

Science Conference Proceedings (OSTI)

As aggressive reductions in boiler emissions are mandated, the electric utility industry has been moving toward installation of improved methods of burner flow measurement and control to optimize combustion for reduced emissions. Development of cost effective controls requires an understanding of how variations in air and coal flows relate to emission rates. This project used computational fluid dynamic (CFD) modeling to quantify the impacts of variations of burner air and fuel flows on furnace operating...

2005-12-12T23:59:59.000Z

332

Desulphurization and simultaneous treatment of wastewater from blast furnace by pulsed corona discharge  

SciTech Connect

Laboratory tests were conducted for removal of SO{sub 2} from simulated flue gas and simultaneous treatment of wastewater from blast furnace by pulsed corona discharge. Tests were conducted for the flue gas flow from 12 to 18 Nm{sup 3}/h, the simulated gas temperature from 80 to 120 {sup o}C, the inlet flux of wastewater from 33 to 57 L/h, applied voltage from 0 to 27 kV, and SO{sub 2} initial concentration was about 1,430 mg/m{sup 3}. Results showed that wastewater from blast furnace has an excellent ability of desulphurization (about 90%) and pulsed corona discharge can enhance the desulphurization efficiency. Meanwhile, it was observed that the SO{sub 2} removal ratio decreased along with increased cycle index, while it increased as the flux of flue gas was reduced, and increased when the flux of wastewater from blast furnace was increased. In addition, results demonstrated that the content of sulfate radical produced in wastewater increase with an increment of applied pulsed voltage, cycle index, or the flux of flue gas. Furthermore, the results indicated that the higher the inlet content of cyanide the better removal effect of it, and the removal rate can reach 99.9% with a residence time of 2.1 s in the pulsed corona zone during the desulphurization process when the inlet content was higher, whereas there was almost no removal effect when the inlet content was lower. This research may attain the objective of waste control, and can provide a new way to remove SO{sub 2} from flue gas and simultaneously degrade wastewater from blast furnace for integrated steel plants.

Li, S.L.; Feng, Q.B.; Li, L.; Xie, C.L.; Zhen, L.P. [Huazhong University of Science and Technology, Wuhan (China)

2009-03-15T23:59:59.000Z

333

The Utilization and Recovery of Energy from Blast Furnaces and Converters  

E-Print Network (OSTI)

The Bischoff Blast Furnace Top Gas Process for high pressure blast furnaces is presented as an example of a modern gas treatment process in the iron and steel industry: the work potential of the high pressure top gas is utilized in a plant comprising a gas cleaning unit for dust removal and a turbine for converting the recoverable thermal energy into mechanical and electrical energy. The adjustable annular gap scrubber for separating fine dust also serves as an element for regulating the gas pressure at the blast furnace top so that pressure control by the turbine and its control gear is no longer necessary. Moreover, in the event of a turbine outage the annular gap scrubber can be used as a low noise, pressure-throttling element. The economic use of a turbine for recovering energy from top gas depends on many parameters, such as top pressure, top gas rate, clean gas temperature, local cost of electric power, etc. A profitability analysis for a specific installation shows a remarkably short payback period. The process incorporates a new concept in blast air compression. Mechanical energy from the turbine is transferred directly to the axial flow compressor so that the prior conversion of energy via the power generating cycle is dispensed with. Coupled to the turbine is the compressor motor which, while rated to cover the full power requirement, uses about 40% less electrical power from the power supply system. Finally, as an example of the future potential of this process, a new continuous steelmaking process is presented which employs a closed top converter. The gas, held under pressure during refining, is subsequently cleaned and expanded as the blast furnace process described above. This gas is cleaned without any entrainment of air to furnish a gaseous fuel of high calorific value. Since the steelmaking process is continuous, the gas is constantly available and can be fed into the distribution system without any intermediate storage.

Hegemann, K. R.; Niess, T.; Baare, R. D.

1979-01-01T23:59:59.000Z

334

Development of the household sample for furnace and boilerlife-cycle cost analysis  

Science Conference Proceedings (OSTI)

Residential household space heating energy use comprises close to half of all residential energy consumption. Currently, average space heating use by household is 43.9 Mbtu for a year. An average, however, does not reflect regional variation in heating practices, energy costs, or fuel type. Indeed, a national average does not capture regional or consumer group cost impacts from changing efficiency levels of heating equipment. The US Department of Energy sets energy standards for residential appliances in, what is called, a rulemaking process. The residential furnace and boiler efficiency rulemaking process investigates the costs and benefits of possible updates to the current minimum efficiency regulations. Lawrence Berkeley National Laboratory (LBNL) selected the sample used in the residential furnace and boiler efficiency rulemaking from publically available data representing United States residences. The sample represents 107 million households in the country. The data sample provides the household energy consumption and energy price inputs to the life-cycle cost analysis segment of the furnace and boiler rulemaking. This paper describes the choice of criteria to select the sample of houses used in the rulemaking process. The process of data extraction is detailed in the appendices and is easily duplicated. The life-cycle cost is calculated in two ways with a household marginal energy price and a national average energy price. The LCC results show that using an national average energy price produces higher LCC savings but does not reflect regional differences in energy price.

Whitehead, Camilla Dunham; Franco, Victor; Lekov, Alex; Lutz, Jim

2005-05-31T23:59:59.000Z

335

RADIATION HEAT TRANSFER ENVIRONMENT IN FIRE AND FURNACE TESTS OF RADIOACTIVE MATERIALS PAKCAGES  

SciTech Connect

The Hypothetical Accident Conditions (HAC) sequential test of radioactive materials packages includes a thermal test to confirm the ability of the package to withstand a transportation fire event. The test specified by the regulations (10 CFR 71) consists of a 30 minute, all engulfing, hydrocarbon fuel fire, with an average flame temperature of at least 800 C. The requirements specify an average emissivity for the fire of at least 0.9, which implies an essentially black radiation environment. Alternate test which provide equivalent total heat input at the 800 C time averaged environmental temperature may also be employed. When alternate tests methods are employed, such as furnace or gaseous fuel fires, the equivalence of the radiation environment may require justification. The effects of furnace and open confinement fire environments are compared with the regulatory fire environment, including the effects of gases resulting from decomposition of package overpack materials. The results indicate that furnace tests can produce the required radiation heat transfer environment, i.e., equivalent to the postulated pool fire. An open enclosure, with transparent (low emissivity) fire does not produce an equivalent radiation environment.

Smith, A

2008-12-31T23:59:59.000Z

336

The Fuel Accident Condition Simulator (FACS) furnace system for high temperature performance testing of VHTR fuel  

SciTech Connect

The AGR-1 irradiation of TRISO-coated particle fuel specimens was recently completed and represents the most successful such irradiation in US history, reaching peak burnups of greater than 19% FIMA with zero failures out of 300,000 particles. An extensive post-irradiation examination (PIE) campaign will be conducted on the AGR-1 fuel in order to characterize the irradiated fuel properties, assess the in-pile fuel performance in terms of coating integrity and fission metals release, and determine the fission product retention behavior during high temperature safety testing. A new furnace system has been designed, built, and tested to perform high temperature accident tests. The Fuel Accident Condition Simulator furnace system is designed to heat fuel specimens at temperatures up to 2000 degrees C in helium while monitoring the release of volatile fission metals (e.g. Cs, Ag, Sr, and Eu), iodine, and fission gases (Kr, Xe). Fission gases released from the fuel to the sweep gas are monitored in real time using dual cryogenic traps fitted with high purity germanium detectors. Condensable fission products are collected on a plate attached to a water-cooled cold finger that can be exchanged periodically without interrupting the test. Analysis of fission products on the condensation plates involves dry gamma counting followed by chemical analysis of selected isotopes. This paper will describe design and operational details of the Fuel Accident Condition Simulator furnace system and the associated fission gas monitoring system, as well as preliminary system calibration results.

Paul A. Demkowicz; David V. Laug; Dawn M. Scates; Edward L. Reber; Lyle G. Roybal; John B. Walter; Jason M. Harp; Robert N. Morris

2012-10-01T23:59:59.000Z

337

Production and blast-furnace smelting of boron-alloyed iron-ore pellets  

Science Conference Proceedings (OSTI)

Industrial test data are presented regarding the production (at Sokolovsk-Sarbaisk mining and enrichment enterprise) and blast-furnace smelting (at Magnitogorsk metallurgical works) of boron-alloyed iron-ore pellets (500000 t). It is shown that, thanks to the presence of boron, the compressive strength of the roasted pellets is increased by 18.5%, while the strength in reduction is doubled; the limestone consumption is reduced by 11%, the bentonite consumption is halved, and the dust content of the gases in the last section of the roasting machines is reduced by 20%. In blast-furnace smelting, the yield of low-sulfur (<0.02%) hot metal is increased from 65-70 to 85.1% and the furnace productivity from 2.17-2.20 to 2.27 t/(m{sup 3} day); coke consumption is reduced by 3-8 kg/t of hot metal. The plasticity and stamping properties of 08IO auto-industry steel are improved by microadditions of boron.

A.A. Akberdin; A.S. Kim [Abishev Chemicometallurgical Institute, Abishev (Kazakhstan)

2008-08-15T23:59:59.000Z

338

Method for providing variable output gas-fired furnace with a constant temperature rise and efficiency  

Science Conference Proceedings (OSTI)

A method is described for providing a variable output gas-fired furnace means with a constant temperature rise and efficiency where the furnace means includes burners, a blower, a thermostat and a delay timer, the method comprising the steps of: sensing the temperature in an area to be conditioned; comparing the sensed temperature to a predetermined set point; if the sensed temperature deviates from the predetermined set point by more than a predetermined amount, gas is supplied to the burners and the blower is started; determining the reference revolution per minute of the blower; determining the reference cubic feet per minute delivered by the blower; determining the manifold pressure; determining whether the furnace is in a high heat or a low heat mode of operation; determining the desired cubic feet per minute delivered by the blower for the current mode of operation; reading the actual revolution per minute of the blower; adjusting the speed of the blower motor if the actual and desired revolution per minute of the blower are not the same; determining whether the thermostat is satisfied; if the thermostat is not satisfied, returning to the step of determining the manifold pressure; and if the thermostat is satisfied, shutting off the gas and starting the delay timer.

Ballard, G.W.; Thompson, K.D.

1987-08-25T23:59:59.000Z

339

Economics of Condensing Gas Furnaces and Water Heaters Potential in Residential Single Family Homes  

SciTech Connect

Residential space and water heating accounts for over 90percent of total residential primary gas consumption in the United States. Condensing space and water heating equipment are 10-30percent more energy-efficient than conventional space and water heating. Currently, condensing gas furnaces represent 40 percent of shipments and are common in the Northern U.S. market. Meanwhile, manufacturers are planning to develop condensing gas storage water heaters to qualify for Energy Star? certification. Consumers, installers, and builders who make decisions about installing space and water heating equipment generally do not perform an analysis to assess the economic impacts of different combinations and efficiencies of space and water heating equipment. Thus, equipment is often installed without taking into consideration the potential life-cycle economic and energy savings of installing space and water heating equipment combinations. Drawing on previous and current analysis conducted for the United States Department of Energy rulemaking on amended standards for furnaces and water heaters, this paper evaluates the extent to which condensing equipment can provide life-cycle cost-effectiveness in a representative sample of single family American homes. The economic analyses indicate that significant energy savings and consumer benefits may result from large-scale introduction of condensing water heaters combined with condensing furnaces in U.S. residential single-family housing, particularly in the Northern region. The analyses also shows that important benefits may be overlooked when policy analysts evaluate the impact of space and water heating equipment separately.

Lekov, Alex; Franco, Victor; Meyers, Steve

2010-05-14T23:59:59.000Z

340

Improved Heat Transfer and Performance of High Intensity Combustion Systems for Reformer Furnace Applications  

E-Print Network (OSTI)

Developments over the past fifteen years have evolved new short flame, high intensity (1,000,000 BTU/HR/ft3 ) combustion systems for industrial uses. Such systems produce a more uniform and higher heat flux than conventional low intensity systems and should enable substantial capital cost savings in new furnace applications. Recent performance improvements established from tests of high intensity combustion systems are described along with advances made in the analytical prediction of design performance. High intensity combustion systems can operate at zero excess air conditions without generating undesirable constituents in the exhaust. A more uniform gas temperature and gas emissivity renders modeling and design of the furnace radiant heat transfer section more realistic. 'Over-design' to allow for the less determinate conditions typical of low intensity, turbulent diffusion oil flame systems should be avoidable. A model has been set up and results generated which indicate the potentialities of the above premise. The application of vortex stabilized high intensity burners for reformer furnaces in the petrochemical industry is then reviewed and emphasized.

Williams, F. D. M.; Kondratas, H. M.

1983-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "dehumidifiers dishwasher furnaces" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


341

Joint TVA EPRI Evaluation of Steel Arc Furnace Regulation Impacts and Potential Innovative Mitigation Solutions: Phase I  

Science Conference Proceedings (OSTI)

The Tennessee Valley Authority (TVA) is considering the costs and benefits of serving arc furnace loads. One potential adverse power system impact of arc furnaces is that their electric power consumption is extremely volatile and can significantly impact the short-term frequency regulation requirements of the TVA power system, increasing the regulating reserve requirements needed to meet North American Electric Reliability Council (NERC) reliability criteria. A one-month analysis of TVA regulation ...

2013-12-13T23:59:59.000Z

342

Coal combustion under conditions of blast furnace injection. Technical report, 1 December 1992--28 February 1993  

SciTech Connect

A potentially new use for Illinois coal is its use as a fuel injected into a blast furnace to produce molten iron as the first step in steel production. Because of its increasing cost and decreasing availability, metallurgical coke is now being replaced by coal injected at the tuyere area of the furnace where the blast air enters. The purpose of this study is to evaluate the combustion of coal during the blast furnace injection process and to delineate the optimum properties of the feed coal. This investigation is significant to the use of Illinois coal in that the limited research to date suggests that coals of low fluidity and moderate to high sulfur and chlorine contents are suitable feedstocks for blast furnace injection. This proposed study is unique in that it will be the first North American effort to directly determine the nature of the combustion of coal injected into a blast furnace. The Amanda furnace of Armco is the only one in North America currently using coal injection and is, therefore, the only full scale testing facility available. During this quarter complete petrographic analyses of all of the samples so far collected were completed.

Crelling, J.C. [Southern Illinois Univ., Carbondale, IL (United States). Dept. of Geology; Case, E.R. [Armco, Inc., Middletown, OH (United States). Research and Technology Div.

1993-05-01T23:59:59.000Z

343

OPTIMIZED FUEL INJECTOR DESIGN FOR MAXIMUM IN-FURNACE NOx REDUCTION AND MINIMUM UNBURNED CARBON  

SciTech Connect

Reaction Engineering International (REI) has established a project team of experts to develop a technology for combustion systems which will minimize NO x emissions and minimize carbon in the fly ash. This much need technology will allow users to meet environmental compliance and produce a saleable by-product. This study is concerned with the NO x control technology of choice for pulverized coal fired boilers, ?in-furnace NO x control,? which includes: staged low-NO x burners, reburning, selective non-catalytic reduction (SNCR) and hybrid approaches (e.g., reburning with SNCR). The program has two primary objectives: 1) To improve the performance of ?in-furnace? NO x control processes. 2) To devise new, or improve existing, approaches for maximum ?in-furnace? NO x control and minimum unburned carbon. The program involves: 1) fundamental studies at laboratory- and bench-scale to define NO reduction mechanisms in flames and reburning jets; 2) laboratory experiments and computer modeling to improve our two-phase mixing predictive capability; 3) evaluation of commercial low-NO x burner fuel injectors to develop improved designs, and 4) demonstration of coal injectors for reburning and low-NO x burners at commercial scale. The specific objectives of the two-phase program are to: 1 Conduct research to better understand the interaction of heterogeneous chemistry and two phase mixing on NO reduction processes in pulverized coal combustion. 2 Improve our ability to predict combusting coal jets by verifying two phase mixing models under conditions that simulate the near field of low-NO x burners. 3 Determine the limits on NO control by in-furnace NO x control technologies as a function of furnace design and coal type. 5 Develop and demonstrate improved coal injector designs for commercial low-NO x burners and coal reburning systems. 6 Modify the char burnout model in REI?s coal combustion code to take account of recently obtained fundamental data on char reactivity during the late stages of burnout. This will improve our ability to predict carbon burnout with low-NO x firing systems.

A.F. SAROFIM; BROWN UNIVERSITY. R.A. LISAUSKAS; D.B. RILEY, INC.; E.G. EDDINGS; J. BROUWER; J.P. KLEWICKI; K.A. DAVIS; M.J. BOCKELIE; M.P. HEAP; REACTION ENGINEERING INTERNATIONAL. D.W. PERSHING; UNIVERSITY OF UTAH. R.H. HURT

1998-01-01T23:59:59.000Z

344

Computational Fluid Dynamics Based Investigation of Sensitivity of Furnace Operational Conditions to Burner Flow Controls  

SciTech Connect

This is the first Semiannual Technical Report for DOE Cooperative Agreement No: DE-FC26-02NT41580. The goal of this project is to systematically assess the sensitivity of furnace operational conditions to burner air and fuel flows in coal fired utility boilers. Our approach is to utilize existing baseline furnace models that have been constructed using Reaction Engineering International's (REI) computational fluid dynamics (CFD) software. Using CFD analyses provides the ability to carry out a carefully controlled virtual experiment to characterize the sensitivity of NOx emissions, unburned carbon (UBC), furnace exit CO (FECO), furnace exit temperature (FEGT), and waterwall deposition to burner flow controls. The Electric Power Research Institute (EPRI) is providing co-funding for this program, and instrument and controls experts from EPRI's Instrument and Controls (I&C) Center are active participants in this project. This program contains multiple tasks and good progress is being made on all fronts. A project kickoff meeting was held in conjunction with NETL's 2002 Sensors and Control Program Portfolio Review and Roadmapping Workshop, in Pittsburgh, PA during October 15-16, 2002. Dr. Marc Cremer, REI, and Dr. Paul Wolff, EPRI I&C, both attended and met with the project COR, Susan Maley. Following the review of REI's database of wall-fired coal units, the project team selected a front wall fired 150 MW unit with a Riley Low NOx firing system including overfire air for evaluation. In addition, a test matrix outlining approximately 25 simulations involving variations in burner secondary air flows, and coal and primary air flows was constructed. During the reporting period, twenty-two simulations have been completed, summarized, and tabulated for sensitivity analysis. Based on these results, the team is developing a suitable approach for quantifying the sensitivity coefficients associated with the parametric tests. Some of the results of the CFD simulations of the single wall fired unit were presented in a technical paper entitled, ''CFD Investigation of the Sensitivity of Furnace Operational Conditions to Burner Flow Controls,'' presented at the 28th International Technical Conference on Coal Utilization and Fuel Systems in Clearwater, FL March 9-14, 2003. In addition to the work completed on the single wall fired unit, the project team made the selection of a 580 MW opposed wall fired unit to be the subject of evaluation in this program. Work is in progress to update the baseline model of this unit so that the parametric simulations can be initiated.

Marc Cremer; Kirsi St. Marie; Dave Wang

2003-04-30T23:59:59.000Z

345

Computational Fluid Dynamics Based Investigation of Sensitivity of Furnace Operational Conditions to Burner Flow Controls  

SciTech Connect

This is the Final Technical Report for DOE Cooperative Agreement No: DE-FC26-02NT41580. The goal of this project was to systematically assess the sensitivity of furnace operational conditions to burner air and fuel flows in coal fired utility boilers. The focus of this project was to quantify the potential impacts of ''fine level'' controls rather than that of ''coarse level'' controls (i.e. combustion tuning). Although it is well accepted that combustion tuning will generally improve efficiency and emissions of an ''out of tune'' boiler, it is not as well understood what benefits can be derived through active multiburner measurement and control systems in boiler that has coarse level controls. The approach used here was to utilize existing baseline furnace models that have been constructed using Reaction Engineering International's (REI) computational fluid dynamics (CFD) software. Using CFD analyses provides the ability to carry out a carefully controlled virtual experiment to characterize the sensitivity of NOx emissions, unburned carbon (UBC), furnace exit CO (FECO), furnace exit temperature (FEGT), and waterwall deposition to burner air and fuel flow rates. The Electric Power Research Institute (EPRI) provided co-funding for this program, and instrument and controls experts from EPRI's Instrument and Controls (I&C) Center have been active participants in this project. CFD simulations were completed for five coal fired boilers as planned: (1) 150 MW wall fired, (2) 500 MW opposed wall fired, (3) 600 MW T-Fired, (4) 330 MW cyclone-fired, and (5) 200 MW T-Fired Twin Furnace. In all cases, the unit selections were made in order to represent units that were descriptive of the utility industry as a whole. For each unit, between 25 and 44 furnace simulations were completed in order to evaluate impacts of burner to burner variations in: (1) coal and primary air flow rate, and (2) secondary air flow rate. The parametric matrices of cases that were completed were defined in order to accommodate sensitivity analyses of the results. The sensitivity analyses provide a strategy for quantifying the rate of change of NOx or unburned carbon in the fly ash to a rate of change in secondary air or fuel or stoichiometric ratio for individual burners or groups of burners in order to assess the value associated with individual burner flow control. In addition, the sensitivity coefficients that were produced provide a basis for quantifying the differences in sensitivities for the different boiler types. In a ranking of the sensitivity of NOx emissions to variations in secondary air flow between the burners at a fixed lower furnace stoichiometric ratio in order of least sensitive to most sensitive, the results were: (1) 600 MW T-Fired Unit; (2) 500 MW Opposed Wall-Fired Unit; (3) 150 MW Wall-Fired Unit; (4) 100 MW T-Fired Unit; and (5) 330 MW Cyclone-Fired Unit.

Marc Cremer; Dave Wang; Connie Senior; Andrew Chiodo; Steven Hardy; Paul Wolff

2005-07-01T23:59:59.000Z

346

Wellesley Municipal Light Plant - Residential Energy Efficiency Rebate  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Wellesley Municipal Light Plant - Residential Energy Efficiency Wellesley Municipal Light Plant - Residential Energy Efficiency Rebate Program Wellesley Municipal Light Plant - Residential Energy Efficiency Rebate Program < Back Eligibility Residential Savings Category Heating & Cooling Commercial Heating & Cooling Cooling Appliances & Electronics Maximum Rebate Two equipment rebates per customer per calendar year Program Info State Massachusetts Program Type Utility Rebate Program Rebate Amount Refrigerator: $100 Clothes Washing Machine: $75 Central AC: $100 Room AC Unit: $50 Dishwasher: $75 Dehumidifier: $50 Provider Appliance Rebate Program Wellesley Municipal Light Plant (WMLP) offers a number of appliance rebates to residential customers who purchase and install energy efficient equipment. Rebates are available for refrigerators, dishwashers, clothes

347

DENSE PHASE REBURN COMBUSTION SYSTEM (DPRCS) DEMONSTRATION ON A 154 MWE TANGENTIAL FURNACE: ADDITIONAL AREA OF INTEREST-TO DEVELOP AND DEMONSTRATE AN IN-FURNACE MULTI-POLLUTANT REDUCTION TECHNOLOGY TO REDUCE NOx, SO2 & Hg  

Science Conference Proceedings (OSTI)

Semi-dense phase pneumatic delivery and injection of calcium and sodium sorbents, and microfine powdered coal, at various sidewall elevations of an online operating coal-fired power plant, was investigated for the express purpose of developing an in-furnace, economic multi-pollutant reduction methodology for NO{sub x}, SO{sub 2} & Hg. The 154 MWe tangentially-fired furnace that was selected for a full-scale demonstration, was recently retrofitted for NO{sub x} reduction with a high velocity rotating-opposed over-fire air system. The ROFA system, a Mobotec USA technology, has a proven track record of breaking up laminar flow along furnace walls, thereby enhancing the mix of all constituents of combustion. The knowledge gained from injecting sorbents and micronized coal into well mixed combustion gases with significant improvement in particulate retention time, should serve well the goals of an in-furnace multi-pollutant reduction technology; that of reducing back-end cleanup costs on a wide variety of pollutants, on a cost per ton basis, by first accomplishing significant in-furnace reductions of all pollutants.

Allen C. Wiley; Steven Castagnero; Geoff Green; Kevin Davis; David White

2004-03-01T23:59:59.000Z

348

The Furnace combustion and radiation characteristics of methanol and a methanol/coal slurry  

DOE Green Energy (OSTI)

An experimental facility has been built to study the combustion of methanol and a slurry of methanol plus 5% coal in an environment similar to industrial and utility boilers. The furnace is a horizontal water cooled cylinder, 20 cm in diameter by one meter long, with a firing rate of 60 kW. The measurements taken throughout the furnace include temperature and concentration of carbon monoxide, carbon dioxide, water, oxides of nitrogen, methanol and particulates. Spectral radiation intensity measurements are taken along the axis of the furnace burning methanol and the methanol/coal slurry. The effect of the fuel on flame structure is reported. The temperatures in the pure methanol flame are, in general, higher than in the methanol/coal flame. The levels of the oxides of nitrogen are low in the pure methanol flame (less than 20 ppM NO). Addition of 5% coal to the methanol causes NO concentration to increase to 100 ppM. This represents a conversion of 40% of the coal bound nitrogen to NO. Particulate levels increase from less than .001 g/m/sup 3/ for the pure methanol to over .25 g/m/sup 3/ when pulverized coal is added. The low levels of soot and particulates in the methanol flame have an effect on the spectral intensity. No continuous radiation is measured in the methanol flame, but small amounts of particulate radiation can be seen from the spectra of the methanol/coal flame. The total emittance of the flame is increased from about .10 to .135 with the addition of 5% pulverized coal, but the radiation intensity is reduced because of the lower flame temperatures. A numerical program has been written to calculate the spectral intensity from an inhomogeneous mixture of combustion products. Comparisons are made between the calculated intensity and the measured intensity for both fuel systems. The numerical results are about 25% lower than the measured results. Reasons for this are discussed.

Grosshandler, W.L.

1977-01-01T23:59:59.000Z

349

Usiing NovoCOS cleaning equipment in repairing the furnace-chamber lining in coke batteries 4 & 5 at OAO Koks  

SciTech Connect

Experience with a new surface-preparation technology for the ceramic resurfacing of the refractory furnace-chamber lining in coke batteries is described.

S.G. Protasov; R. Linden; A. Gross [OAO Koks, Kemerovo (Russian Federation)

2009-05-15T23:59:59.000Z

350

Expert Meeting Report: Achieving the Best Installed Performance from High-Efficiency Residential Gas Furnaces  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Achieving the Best Installed Performance from High- Efficiency Residential Gas Furnaces Larry Brand Partnership for Advanced Residential Retrofit (PARR) March 2012 NOTICE This report was prepared as an account of work sponsored by an agency of the United States government. Neither the United States government nor any agency thereof, nor any of their employees, subcontractors, or affiliated partners makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product, process, or service by trade

351

Advanced Combustion Diagnostics and Control for Furnaces, Fired Heaters and Boilers  

SciTech Connect

The objective of this project was to develop and apply enabling tools and methods towards advanced combustion diagnostics and control of fired-equipment in large-scale petrochemical manufacturing. There are a number of technology gaps and opportunities for combustion optimization, including technologies involving advanced in-situ measurements, modeling, and thermal imaging. These technologies intersect most of manufacturing and energy systems within the chemical industry. This project leveraged the success of a previous DOE funded project led by Dow, where we co-developed an in-situ tunable diode laser (TDL) analyzer platform (with Analytical Specialties Inc, now owned by Yokogawa Electric Corp.). The TDL platform has been tested and proven in a number of combustion processes within Dow and outside of Dow. The primary focus of this project was on combustion diagnostics and control applied towards furnaces, fired heaters and boilers. Special emphasis was placed on the development and application of in-situ measurements for O2, CO and methane since these combustion gases are key variables in optimizing and controlling combustion processes safely. Current best practice in the industry relies on measurements that suffer from serious performance gaps such as limited sampling volume (point measurements), poor precision and accuracy, and poor reliability. Phase I of the project addressed these gaps by adding improved measurement capabilities such as CO and methane (ppm analysis at combustion zone temperatures) as well as improved optics to maintain alignment over path lengths up to 30 meters. Proof-of-concept was demonstrated on a modern olefins furnace located at Dow Chemical's facility in Freeport TX where the improved measurements were compared side-by-side to accepted best practice techniques (zirconium oxide and catalytic bead or thick film sensors). After developing and installing the improved combustion measurements (O2, CO, and methane), we also demonstrated the ability to improve control of an olefins furnace (via CO-trim) that resulted in significant energy savings and lower emissions such as NOx and other greenhouse gases. The cost to retrofit measurements on an existing olefins furnace was found to be very attractive, with an estimated payback achieved in 4 months or less.

Tate, J. D.; Le, Linh D.; Knittel,Trevor; Cowie, Alan

2010-03-20T23:59:59.000Z

352

Advanced Combustion Diagnostics and Control for Furnaces, Fired Heaters and Boilers  

SciTech Connect

The objective of this project was to develop and apply enabling tools and methods towards advanced combustion diagnostics and control of fired-equipment in large-scale petrochemical manufacturing. There are a number of technology gaps and opportunities for combustion optimization, including technologies involving advanced in-situ measurements, modeling, and thermal imaging. These technologies intersect most of manufacturing and energy systems within the chemical industry. This project leveraged the success of a previous DOE funded project led by Dow, where we co-developed an in-situ tunable diode laser (TDL) analyzer platform (with Analytical Specialties Inc, now owned by Yokogawa Electric Corp.). The TDL platform has been tested and proven in a number of combustion processes within Dow and outside of Dow. The primary focus of this project was on combustion diagnostics and control applied towards furnaces, fired heaters and boilers. Special emphasis was placed on the development and application of in-situ measurements for O2, CO and methane since these combustion gases are key variables in optimizing and controlling combustion processes safely. Current best practice in the industry relies on measurements that suffer from serious performance gaps such as limited sampling volume (point measurements), poor precision and accuracy, and poor reliability. Phase I of the project addressed these gaps by adding improved measurement capabilities such as CO and methane (ppm analysis at combustion zone temperatures) as well as improved optics to maintain alignment over path lengths up to 30 meters. Proof-of-concept was demonstrated on a modern olefins furnace located at Dow Chemical's facility in Freeport TX where the improved measurements were compared side-by-side to accepted best practice techniques (zirconium oxide and catalytic bead or thick film sensors). After developing and installing the improved combustion measurements (O2, CO, and methane), we also demonstrated the ability to improve control of an olefins furnace (via CO-trim) that resulted in significant energy savings and lower emissions such as NOx and other greenhouse gases. The cost to retrofit measurements on an existing olefins furnace was found to be very attractive, with an estimated payback achieved in 4 months or less.

Tate, J. D.; Le, Linh D.; Knittel,Trevor; Cowie, Alan

2010-03-20T23:59:59.000Z

353

Laser-induced breakdown spectroscopy at high temperatures in industrial boilers and furnaces.  

DOE Green Energy (OSTI)

Laser-induced breakdown spectroscopy (LIBS) was applied (1) near the superheater of an electric power generation boiler burning biomass, coat, or both, (2) at the exit of a glass-melting furnace burning natural gas and oxygen, and (3) near the nose arches of two paper mill recovery boilers burning black liquor. Difficulties associated with the high temperatures and high particle loadings in these environments were surmounted by use of novel LIBS probes. Echelle and linear spectrometers coupled to intensified CCD cameras were used individually and sometimes simultaneously. Elements detected include Na, K, Ca, Mg, C, B, Si, Mn, Al, Fe, Rb, Cl, and Ti.

Walsh, Peter M. (University of Alabama at Birmingham and Southern Research Institute, Birmingham, AL); Shaddix, Christopher R.; Sickafoose, Shane M.; Blevins, Linda Gail

2003-02-01T23:59:59.000Z

354

Furnace Parameters  

Science Conference Proceedings (OSTI)

Table 5   Inclusion levels in commercially available glass products...>0.05 >0.002 3000 500 >0.8 >0.031 20 3 Wool fiberglass >0.2 >0.008 10 4 2000 Textile fiber glass >0.007 >0.0003 0??900 0??160 Solid inclusions Float architectural ? ? 0.001 0.0002 Containers >0.03 >0.001 0.06 0.01 Glass-ceramic ovenware >0.5 >0.020 1 0.2 (a) dm, decimeter...

355

Dynamic melt rate control on a Laboratory scale VAR furnace without load cell feedback  

SciTech Connect

Based on a linearized version of an accurate, low order, dynamic melt rate model, a feedback melt rate controller was designed and tested on a small VAR furnace at Los Alamos National Laboratory. Model based control was necessary because the furnace is not equipped with a working load cell transducer. The model was incorporated into a process filter that produces estimates of electrode thermal boundary layer, electrode gap, electrode position and electrode mass. Estimated values for the thermal boundary layer and electrode gap were used for feedback. The input commands were melting current and electrode drive speed. A test melt was performed wherein a 0.127 m diameter 304SS electrode was melted into 0.165 m diameter ingot at a nominal melt rate of 27 g/s. Toward the end of the test, a melt rate step up to 32 g/s was commanded. The controller initiated a nonlinear current ramp to produce the commanded step. Electrode position data were analyzed and the results used to determine that the actual melt rate profile followed the commanded profile relatively well.

Beaman, Joseph J.; Melgaard, d; Shelmidine, G. J. (Gregory J.); Tubesing, P. K. (Philip K.); Aikin, R. M. (Robert M.); Williamson, R. L. (Rodney L.)

2001-01-01T23:59:59.000Z

356

Integrated emissions control system for residential CWS furnace. Final report, September 20, 1989--March 20, 1993  

SciTech Connect

One of the major obstacles to the successful development and commercialization of a coal-fired residential furnace is the need for a reliable, cost-effective emission control system. Tecogen is developing a novel, integrated control system to control NO{sub x}SO{sub 2}, and particulate emissions. At the heart of this system is a unique emissions control reactor for the control of SO{sub 2}. This reactor provides high sorbent particle residence time within the reactor while doing so in a very compact geometry. Final cleanup of any fine particulates exiting the reactor including respirable-sized particulates, is completed with the use of high efficiency bag filters. Under a previous contract with PETC (Contract No. DE-AC22-87PC79650), Tecogen developed a residential-scale Coal Water Slurry (CWS) combustor to control NO{sub x}emission. This combustor makes use of centrifugal forces, set up by a predominantly tangential flow field, to separate and confine larger unburned coal particles in the furnace upper chamber. Various partitions are used to retard the axial, downward flow of these particles, and thus maximize their residence time in the hottest section of the combustor. By operating this combustor under staged conditions, the local stoichiometry in the primary zone can be controlled in such a manner as to minimize NO{sub x} emission.

Breault, R.W.; McLarnon, C.

1993-03-01T23:59:59.000Z

357

Integrated municipal solid waste treatment using a grate furnace incinerator: The Indaver case  

SciTech Connect

An integrated installation for treatment of municipal solid waste and comparable waste from industrial origin is described. It consists of three grate furnace lines with flue gas treatment by half-wet scrubbing followed by wet scrubbing, and an installation for wet treatment of bottom ash. It is demonstrated that this integrated installation combines high recovery of energy (40.8% net) with high materials recovery. The following fractions were obtained after wet treatment of the bottom ash: ferrous metals, non-ferrous metals, three granulate fractions with different particle sizes, and sludge. The ferrous and non-ferrous metal fractions can both be recycled as high quality raw materials; the two larger particle size particle fractions can be applied as secondary raw materials in building applications; the sand fraction can be used for applications on a landfill; and the sludge is landfilled. For all components of interest, emissions to air are below the limit values. The integrated grate furnace installation is characterised by zero wastewater discharge and high occupational safety. Moreover, with the considered installation, major pollutants, such as PCDD/PCDF, Hg and iodine-136 are to a large extent removed from the environment and concentrated in a small residual waste stream (flue gas cleaning residue), which can be landfilled after stabilisation.

Vandecasteele, C. [Department of Chemical Engineering, Katholieke Universiteit Leuven, De Croylaan 46, 3001 Leuven (Belgium)], E-mail: carlo.vandecasteele@cit.kuleuven.be; Wauters, G. [Indaver, Dijle 17a, 2800 Mechelen (Belgium); Arickx, S. [Department of Chemical Engineering, Katholieke Universiteit Leuven, De Croylaan 46, 3001 Leuven (Belgium); Jaspers, M. [Indaver, Dijle 17a, 2800 Mechelen (Belgium); Van Gerven, T. [Department of Chemical Engineering, Katholieke Universiteit Leuven, De Croylaan 46, 3001 Leuven (Belgium)

2007-07-01T23:59:59.000Z

358

Pilot plant testing of Illinois coal for blast furnace injection. Technical report, September 1--November 30, 1994  

Science Conference Proceedings (OSTI)

The purpose of this study is to evaluate the combustion of Illinois coal in the blast furnace injection process in a new and unique pilot plant test facility. This investigation is significant to the use of Illinois coal in that the limited research to date suggests that coals of low fluidity and moderate to high sulfur and chlorine contents are suitable feedstocks for blast furnace injection. This study is unique in that it is the first North American effort to directly determine the nature of the combustion of coal injected into a blast furnace. It is intended to complete the study already underway with the Armco and Inland steel companies and to demonstrate quantitatively the suitability of both the Herrin No. 6 and Springfield No. 5 coals for blast furnace injection. The main feature of the current work is the testing of Illinois coals at CANMET`s (Canadian Centre for Mineral and Energy Technology) pilot plant coal combustion facility. This facility simulates blowpipe-tuyere conditions in an operating blast furnace, including blast temperature (900 C), flow pattern (hot velocity 200 m/s), geometry, gas composition, coal injection velocity (34 m/s) and residence time (20 ms). The facility is fully instrumented to measure air flow rate, air temperature, temperature in the reactor, wall temperature, preheater coil temperature and flue gas analysis. During this quarter a sample of the Herrin No. 6 coal (IBCSP 112) was delivered to the CANMET facility and testing is scheduled for the week of 11 December 1994. Also at this time, all of the IBCSP samples are being evaluated for blast furnace injection using the CANMET computer model.

Crelling, J.C. [Southern Illinois Univ., Carbondale, IL (United States). Dept. of Geology

1994-12-31T23:59:59.000Z

359

DOE/EA-1662: Environmmental Assessment for Energy Conservation Standards for Cooking Products (April 2009)  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Environmental Assessment Environmental Assessment for 10 CFR Part 430 Energy Conservation Program: Energy Conservation Standards for Certain Consumer Products (Dishwashers, Dehumidifiers, Microwave Ovens, and Electric and Gas Kitchen Ranges and Ovens) and for Certain Commercial and Industrial Equipment (Commercial Clothes Washers) April 2009 CHAPTER 16. ENVIRONMENTAL ASSESSMENT TABLE OF CONTENTS 16.1 INTRODUCTION ......................................................................................................... 16-1 16.2 AIR EMISSIONS ANALYSIS...................................................................................... 16-1 16.2.1 Air Emissions Descriptions............................................................................................ 16-1

360

Evaluation of Possible Surrogates for Validation of the Oxidation Furnace for the Plutonium Disposition Project  

Science Conference Proceedings (OSTI)

The Plutonium Disposition project (PuD) is considering an alternative furnace design for direct metal oxidation (DMO) of plutonium metal to use as a feed for potential disposition routes. The proposed design will use a retort to oxidize the feed at temperatures up to 500 C. The atmosphere will be controlled using a metered mixture of oxygen, helium and argon to control the oxidation at approximately 400 torr. Since plutonium melts at 664 C, and may potentially react with retort material to form a lower melting point eutectic, the oxidation process will be controlled by metering the flow of oxygen to ensure that the bulk temperature of the material does not exceed this temperature. A batch processing time of <24 hours is desirable to meet anticipated furnace throughput requirements. The design project includes demonstration of concept in a small-scale demonstration test (i.e., small scale) and validation of design in a full-scale test. These tests are recommended to be performed using Pu surrogates due to challenges in consideration of the nature of plutonium and operational constraints required when handling large quantities of accountable material. The potential for spreading contamination and exposing workers to harmful levels of cumulative radioactive dose are motivation to utilize non-radioactive surrogates. Once the design is demonstrated and optimized, implementation would take place in a facility designed to accommodate these constraints. Until then, the use of surrogates would be a safer, less expensive option for the validation phase of the project. This report examines the potential for use of surrogates in the demonstration and validation of the DMO furnace for PuD. This report provides a compilation of the technical information and process requirements for the conversion of plutonium metal to oxide by burning in dry environments. Several potential surrogates were evaluated by various criteria in order to select a suitable candidate for large scale demonstration. First, the structure of the plutonium metal/oxide interface was compared to potential surrogates. Second the data for plutonium oxidation kinetics were reviewed and rates for oxidation were compared with surrogates. The criteria used as a basis for recommendation was selected in order to provide a reasonable oxidation rate during the validation phase. Several reference documents were reviewed and used to compile the information in this report. Since oxidation of large monolithic pieces of plutonium in 75% oxygen is the preferable oxidizing atmosphere for the intended process, this report does not focus on the oxidation of powders, but focuses instead on larger samples in flowing gas.

Duncan, A.

2007-12-31T23:59:59.000Z

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361

Coal combustion under conditions of blast furnace injection. [Quarterly] technical report, 1 December 1993--28 February 1994  

SciTech Connect

A potentially new use for Illinois coal is its use as a fuel injected into a blast furnace to produce molten iron as the first step in steel production. Because of its increasing cost and decreasing availability, metallurgical coke is now being replaced by coal injected at the tuyere area of the furnace where the blast air enters. The purpose of this study is to evaluate the combustion of coal during the blast furnace injection process and to delineate the optimum properties of the feed coal. This proposal is a follow-up to one funded for the 1992--1993 period. It is intended to complete the study already underway with the Armco Inc. Steel Company and to initiate a new cooperative study along somewhat similar lines with the Inland Steel Company. The results of this study will lead to the development of a testing and evaluation protocol that will give a unique and much needed understanding of the behavior of coal in the injection process and prove the potential of Illinois coals for such use. During this quarter a sample of the feed coal that is being used for injection into the No. 7 Blast Furnace of Inland Steel has been analyzed petrographically and compared to both the Herrin No. 6 coal and Armco feed coal. Additional characterization is underway and an advanced program of pyrolysis and reactivity testing has been initiated.

Crelling, J.C. [Southern Illinois Univ., Carbondale, IL (United States). Dept. of Geology

1994-06-01T23:59:59.000Z

362

Round-Robin Study of Methods for Trace Metal Analysis: Graphite Furnace Atomic Absorption Spectroscop-Cadmium, Arsenic and Chromium  

Science Conference Proceedings (OSTI)

Eighteen utility laboratories evaluated graphite furnace atomic absorption spectroscopy (GFAAS) methods for measuring cadmium, arsenic and chromium in a variety of utility aqueous streams. This EPRI Tailored Collaboration Project, part of the ongoing Analytical Methods Qualification (AMQ) program, will help utilities define reasonable pollutant discharge limits and effluent monitoring requirements.

1997-12-05T23:59:59.000Z

363

Laser ultrasonic furnace tube coke monitor. Quarterly technical progress report No. 1, May 1--August 1, 1998  

Science Conference Proceedings (OSTI)

The overall aim of the project is to demonstrate the performance and practical use of a laser ultrasonic probe for measuring the thickness of coke deposits located within the high temperature tubes of a thermal cracking furnace. This aim will be met by constructing an optical probe that will be tested using simulated coke deposits that are positioned inside of a bench-scale furnace. Successful development of the optical coke detector will provide industry with the only available method for on-line measurement of coke deposits. The optical coke detector will have numerous uses in the refining and petrochemical sectors including monitoring of visbreakers, hydrotreaters, delayed coking units, vacuum tower heaters, and various other heavy oil heating applications where coke formation is a problem. The coke detector will particularly benefit the olefins industry where high temperature thermal crackers are used to produce ethylene, propylene, butylene and other important olefin intermediates. The ethylene industry requires development of an on-line method for gauging the thickness of coke deposits in cracking furnaces because the current lack of detailed knowledge of coke deposition profiles introduces the single greatest uncertainty in the simulation and control of modern cracking furnaces. The laser ultrasonic coke detector will provide operators with valuable new information allowing them to better optimize the decoking turnaround schedule and therefore maximize production capacity.

NONE

1998-08-15T23:59:59.000Z

364

Blast Furnace Granulated Coal Injection System Demonstration Project: A DOE Assessment  

NLE Websites -- All DOE Office Websites (Extended Search)

2 2 Blast Furnace Granulated Coal Injection System Demonstration Project: A DOE Assessment June 2000 U. S. Department of Energy National Energy Technology Laboratory P.O. Box 880, 3610 Collins Ferry Road Morgantown, WV 26507-0880 and P.O. Box 10940, 626 Cochrans Mill Road Pittsburgh, PA 15236-0940 2 Disclaimer This report was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference therein

365

Self-powered automatic secondary air controllers for woodstoves and small furnaces  

DOE Patents (OSTI)

A controller for automatically regulating the supply of secondary combustion air to woodstoves and small furnaces. The controller includes a movable air valve for controlling the amount of secondary air admitted into the chamber. A self powered means monitors the concentration of combustible gases and vapors and actuates the movable air valve to increase the supply of secondary air in response to increasing concentrations of the combustible gases and vapors. The self-powered means can be two fluid filled sensor bulbs, one of which has a coating of a combustion catalyst. Alternatively, the self powered means can be two metallic stripes laminated together, one of which is coated with a combustion catalyst, and when heated, causes the air valve to actuate.

Siemer, Darryl D. (Idaho Falls, ID)

1991-01-01T23:59:59.000Z

366

Device for use in a furnace exhaust stream for thermoelectric generation  

SciTech Connect

A device for generating voltage or electrical current includes an inner elongated member mounted in an outer elongated member, and a plurality of thermoelectric modules mounted in the space between the inner and the outer members. The outer and/or inner elongated members each include a plurality of passages to move a temperature altering medium through the members so that the device can be used in high temperature environments, e.g. the exhaust system of an oxygen fired glass melting furnace. The modules are designed to include a biasing member and/or other arrangements to compensate for differences in thermal expansion between the first and the second members. In this manner, the modules remain in contact with the first and second members. The voltage generated by the modules can be used to power electrical loads.

Polcyn, Adam D.

2013-06-11T23:59:59.000Z

367

THERMAL TESTING OF PROTOTYPE GENERAL PURPOSE FISSILE PACKAGES USING A FURNACE  

SciTech Connect

The 9977/9978 General Purpose Fissile Package (GPFP) was designed by SRNL to replace the DOT 6M Specification Package and ship Plutonium and Uranium metals and oxides. Urethane foam was used for the overpack to ensure the package would withstand the 10CFR71.73(c)(2) crush test, which is a severe test for drum-type packages. In addition, it was necessary to confirm that the urethane foam configuration provided adequate thermal protection for the containment vessel during the subsequent 10CFR71.73(c)(4) thermal test. Development tests were performed on early prototype test specimens of different diameter overpacks and a range of urethane foam densities. The thermal test was performed using an industrial furnace. Test results were used to optimize the selection of package diameter and foam density, and provided the basis for design enhancements incorporated into the final package design.

Smith, A; Lawrence Gelder, L; Paul Blanton, P

2007-02-16T23:59:59.000Z

368

Interated Intelligent Industrial Process Sensing and Control: Applied to and Demonstrated on Cupola Furnaces  

SciTech Connect

The final goal of this project was the development of a system that is capable of controlling an industrial process effectively through the integration of information obtained through intelligent sensor fusion and intelligent control technologies. The industry of interest in this project was the metal casting industry as represented by cupola iron-melting furnaces. However, the developed technology is of generic type and hence applicable to several other industries. The system was divided into the following four major interacting components: 1. An object oriented generic architecture to integrate the developed software and hardware components @. Generic algorithms for intelligent signal analysis and sensor and model fusion 3. Development of supervisory structure for integration of intelligent sensor fusion data into the controller 4. Hardware implementation of intelligent signal analysis and fusion algorithms

Mohamed Abdelrahman; roger Haggard; Wagdy Mahmoud; Kevin Moore; Denis Clark; Eric Larsen; Paul King

2003-02-12T23:59:59.000Z

369

Drying damaged K West fuel elements (Summary of whole element furnace runs 1 through 8)  

DOE Green Energy (OSTI)

N Reactor fuel elements stored in the Hanford K Basins were subjected to high temperatures and vacuum conditions to remove water. Results of the first series of whole element furnace tests i.e., Runs 1 through 8 were collected in this summary report. The report focuses on the six tests with breached fuel from the K West Basin which ranged from a simple fracture at the approximate mid-point to severe damage with cladding breaches at the top and bottom ends with axial breaches and fuel loss. Results of the tests are summarized and compared for moisture released during cold vacuum drying, moisture remaining after drying, effects of drying on the fuel element condition, and hydrogen and fission product release.

LAWRENCE, L.A.

1998-10-13T23:59:59.000Z

370

Life-cycle cost analysis of energy efficiency design options for residential furnaces and boilers  

SciTech Connect

In 2001, the U.S. Department of Energy (DOE) initiated a rulemaking process to consider whether to amend the existing energy efficiency standards for furnaces and boilers. A key factor in DOE's consideration of new standards is the economic impacts on consumers of possible revisions to energy-efficiency standards. Determining cost-effectiveness requires an appropriate comparison of the additional first cost of energy efficiency design options with the savings in operating costs. DOE's preferred approach involves comparing the total life-cycle cost (LCC) of owning and operating a more efficient appliance with the LCC for a baseline design. This study describes the method used to conduct the LCC analysis and presents the estimated change in LCC associated with more energy-efficient equipment. The results indicate that efficiency improvement relative to the baseline design can reduce the LCC in each of the product classes considered.

Lutz, James; Lekov, Alex; Whitehead, Camilla Dunham; Chan, Peter; Meyers,Steve; McMahon, James

2004-01-20T23:59:59.000Z

371

SYSTEM FOR DETECTION AND CONTROL OF DEPOSITION IN KRAFT CHEMICAL RECOVERY BOILERS AND MONITORING GLASS FURNACES  

SciTech Connect

Combustion Specialists, Inc. has just completed a project designed to develop the capability to monitor and control the formation of deposits on the outside of boiler tubes inside an operating kraft recovery furnace. This project, which was carried out in the period from April 1, 2001 to January 31, 2003, was funded by the Department of Energy's Inventions and Innovations program. The primary objectives of the project included the development and demonstration of the ability to produce clear images of deposits throughout the convective sections of operating recovery boilers using newly developed infrared imaging technology, to demonstrate the automated detection and quantification of these deposits using custom designed image processing software developed as part of the project, and to demonstrate the feasibility of all technical elements required for a commercial ''smart'' sootblowing control system based on direct feedback from automated imaging of deposits in real-time. All of the individual tasks have been completed and all objectives have been substantially achieved. Imaging of deposits throughout the convective sections of several recovery boilers has been demonstrated, a design for a combined sootblower/deposit inspection probe has been developed and a detailed heat transfer analysis carried out to demonstrate the feasibility of this design, an improved infrared imager which can be sufficiently miniaturized for this application has been identified, automated deposit detection software has been developed and demonstrated, a detailed design for all the necessary communications and control interfaces has been developed, and a test has been carried out in a glass furnace to demonstrate the applicability of the infrared imaging sensor in that environment. The project was completed on time and within the initial budget. A commercial partner has been identified and further federal funding will be sought to support a project to develop a commercial prototype sootblowing control system employing automated deposit imaging.

Dr. Peter Ariessohn

2003-04-15T23:59:59.000Z

372

Characterization of tuyere-level core-drill coke samples from blast furnace operation  

SciTech Connect

A suite of tuyere-level coke samples have been withdrawn from a working blast furnace during coal injection, using the core-drilling technique. The samples have been characterized by size exclusion chromatography (SEC), Fourier transform Raman spectroscopy (FT-RS), and X-ray powder diffraction (XRD) spectroscopy. The 1-methyl-2-pyrrolidinone (NMP) extracts of the cokes sampled from the 'bosh', the rear of the 'bird's nest', and the 'dead man' zones were found by SEC to contain heavy soot-like materials (ca. 10{sup 7}-10{sup 8} apparent mass units). In contrast, NMP extracts of cokes taken from the raceway and the front of the 'bird's nest' only contained a small amount of material of relatively lower apparent molecular mass (up to ca. 10{sup 5} u). Since the feed coke contained no materials extractable by the present method, the soot-like materials are thought to have formed during the reactions of volatile matter released from the injectant coal, probably via dehydrogenation and repolymerization of the tars. The Raman spectra of the NMP-extracted core-drilled coke samples showed variations reflecting their temperature histories. Area ratios of D-band to G-band decreased as the exposure temperature increased, while intensity ratios of D to G band and those of 2D to G bands increased with temperature. The graphitic (G), defect (D), and random (R) fractions of the carbon structure of the cokes were also derived from the Raman spectra. The R fractions decreased with increasing temperature, whereas G fractions increased, while the D fractions showed a more complex variation with temperature. These data appear to give clues regarding the graphitization mechanism of tuyere-level cokes in the blast furnace. 41 refs., 9 figs., 6 tabs.

S. Dong; N. Paterson; S.G. Kazarian; D.R. Dugwell; R. Kandiyoti [Imperial College London, London (United Kingdom). Department of Chemical Engineering

2007-12-15T23:59:59.000Z

373

An example of alkalization of SiO{sub 2} in a blast furnace coke  

SciTech Connect

Scanning electron microscopy and an electron-microprobe analysis of a sample of blast furnace (BF) coke have revealed alkalization (5.64 wt % Na{sub 2}O + K{sub 2}O) and Al saturation (17.28 wt % Al{sub 2}O{sub 3}) of SiO{sub 2} by BF gases. The K/Na{sub at} value of 1.15 in the new phase (alteration zone) reflects close atomic proportions of the elements and suggests that the abilities to incorporate K and Na during the process are almost equal. This Al saturation and alkalization of SiO{sub 2} indicates an active role for Al along with alkali metals in BF gases. The average width of the altered area in the SiO{sub 2} grain is about 10 m, which suggests that SiO{sub 2} particles of that size can be transformed fully to the new phase, provided that at least one of their faces is open to an external pore (surface of the coke) or internal pore with circulating BF gases. The grains that exceed 10 {mu}m can only be partly altered, which means that smaller SiO{sub 2} grains can incorporate more alkali metals and Al (during their transformation to the Al and alkali-bearing phase) than a similar volume of SiO{sub 2} concentrated in larger grains. Thermodynamic calculations for 100 g{sub solid}/100 g{sub gas} and temperatures 800-1800{sup o}C have shown that the BF gases have very little or no effect on the alkalization of SiO{sub 2}. If the alteration process described in this paper proves to be a generalized phenomenon in blast furnace cokes, then the addition of fine-grained quartz to the surface of the coke before charging a BF can be useful for removing of some of the Al and alkali from the BF gases and reduce coke degradation by alkalis, or at least improve its properties until the temperature reaches approximately 2000{sup o}C. 22 refs., 5 figs., 1 tab.

S.S. Gornostayev; P.A. Tanskanen; E.-P. Heikkinen; O. Kerkkonen; J.J. Haerkki [University of Oulu, Oulu (Finland). Laboratory of Process Metallurgy

2007-09-15T23:59:59.000Z

374

Energy Consumption, Efficiency, Conservation, and Greenhouse Gas Mitigation in Japan's Building Sector  

E-Print Network (OSTI)

Washing Machines Dishwashers Televisions and Videocassettewashing machines, dishwashers, televisions and videocassetteJapanese washing machines Dishwashers Dishwashers circulate

2006-01-01T23:59:59.000Z

375

Estimate of Cost-Effective Potential for Minimum Efficiency Performance Standards in 13 Major World Economies Energy Savings, Environmental and Financial Impacts  

E-Print Network (OSTI)

Dishwashers AC* Cooking Equip. Dishwashers Dryers Fans RES FreezersAssumptions USDOE, 2009 Dishwashers Dishwashers and clothes

Letschert, Virginie E.

2013-01-01T23:59:59.000Z

376

PowerChoice Residential Customer Response to TOU Rates  

E-Print Network (OSTI)

Dishwasher.of those with an automatic dishwasher] Dishwashing PracticesRunning pool pump Running dishwasher Other (SPECIFY) (VOL)

Peters, Jane S.

2010-01-01T23:59:59.000Z

377

Mechanism of physical transformations of mineral matter in the blast furnace coke with reference to its reactivity and strength  

SciTech Connect

Examinations of polished and dry cut sections of feed and tuyere coke revealed some possible mechanisms for the physical influence of mineral compounds on the reactivity and strength of coke. It was observed that rounded particles of mineral phases that are exposed to the pore walls and surface of coke at high temperature create an inorganic cover, thus reducing the surface available for gas-solid reactions. The particles of mineral matter that have a low melting point and viscosity can affect the coke at earlier stages in the blast furnace process, acting in the upper parts of the blast furnace (BF). The temperature-driven redistribution of mineral phases within the coke matrix probably leads to the creation of weak spots and in general to anisotropy in its properties, thus reducing its strength. 9 refs., 2 figs., 1 tab.

Stanislav S. Gornostayev; Jouko J. Haerkki [University of Oulu, Oulu (Finland). Laboratory of Process Metallurgy

2006-12-15T23:59:59.000Z

378

Improving the Field Performance of Natural Gas Furnaces, Chicago, Illinois (Fact Sheet), Building America Case Study: Technology Solutions for New and Existing Homes, Building Technologies Office (BTO)  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

the Field Performance the Field Performance of Natural Gas Furnaces Chicago, Illinois PROJECT INFORMATION Project Name: Improving Gas Furnace Performance-A Field and Lab Study at End of Life Location: Chicago, IL Partnership for Advanced Residential Retrofit www.gastechnology.org Building Component: Natural Gas Furnaces Application: New and/or retrofit; Single and/or multifamily Year Tested: 2012/2013 Applicable Climate Zone(s): All or specify which ones PERFORMANCE DATA Cost of Energy Efficiency Measure (including labor): $250 for adjustments Projected Energy Savings: 6.4% heating savings Projected Energy Cost Savings: $100/year climate-dependent Gas furnaces can successfully operate in the field for 20 years or longer with

379

Conditions for making direct reduced iron, transition direct reduced iron and pig iron nuggets in a laboratory furnace - Temperature-time transformations  

Science Conference Proceedings (OSTI)

The pig iron nugget process is gaining in importance as an alternative to the traditional blast furnace. Throughout the process, self-reducing-fluxing dried greenballs composed of iron ore concentrate, reducing-carburizing agent (coal), flux (limestone) and binder (bentonite) are heat-treated. During the heat treatment, dried greenballs are first transformed into direct reduced iron (DRI), then to transition direct reduced iron (TDRI) and finally to pig iron nuggets. The furnace temperature and/or residence time and the corresponding levels of carburization, reduction and metallization dictate these transformations. This study involved the determination of threshold furnace temperatures and residence times for completion of all of the transformation reactions and pig iron nugget production. The experiments involved the heat treatment of self-reducing-fluxing dried greenballs at various furnace temperatures and residence times. The products of these heat treatments were identified by utilizing optical microscopy, apparent density and microhardness measurements.

Anameric, B.; Kawatra, S.K. [Michigan Technological University, Houghton, MI (United States). Dept. of Chemical Engineering

2007-02-15T23:59:59.000Z

380

Nitrogen Control in Electric Arc Furnace Steelmaking by DRI (TRP 0009)  

SciTech Connect

Nitrogen is difficult to remove in electric arc furnace (EAF) steelmaking, requiring the use of more energy in the oxygen steelmaking route to produce low-nitrogen steel. The objective of this work was to determine if the injection of directly reduced iron (DRI) fines into EAFs could reduce the nitrogen content by creating fine carbon monoxide bubbles that rinse nitrogen from the steel. The proposed work included physical and chemical characterization of DRI fines, pilot-scale injection into steel, and mathematical modeling to aid in scale-up of the process. Unfortunately, the pilot-scale injections were unsuccessful, but some full-scale data was obtained. Therefore, the original objectives were met, and presented in the form of recommendations to EAF steelmakers regarding: (1) The best composition and size of DRI fines to use; (2) The amount of DRI fines required to achieve a specific reduction in nitrogen content in the steel; and (3) The injection conditions. This information may be used by steelmakers in techno-economic assessments of the cost of reducing nitrogen with this technology.

Dr. Gordon A. Irons

2004-03-31T23:59:59.000Z

Note: This page contains sample records for the topic "dehumidifiers dishwasher furnaces" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


381

Detection of carbon monoxide (CO) as a furnace byproduct using a rotating mask spectrometer.  

Science Conference Proceedings (OSTI)

Sandia National Laboratories, in partnership with the Consumer Product Safety Commission (CPSC), has developed an optical-based sensor for the detection of CO in appliances such as residential furnaces. The device is correlation radiometer based on detection of the difference signal between the transmission spectrum of the sample multiplied by two alternating synthetic spectra (called Eigen spectra). These Eigen spectra are derived from a priori knowledge of the interferents present in the exhaust stream. They may be determined empirically for simple spectra, or using a singular value decomposition algorithm for more complex spectra. Data is presented on the details of the design of the instrument and Eigen spectra along with results from detection of CO in background N{sub 2}, and CO in N{sub 2} with large quantities of interferent CO{sub 2}. Results indicate that using the Eigen spectra technique, CO can be measured at levels well below acceptable limits in the presence of strongly interfering species. In addition, a conceptual design is presented for reducing the complexity and cost of the instrument to a level compatible with consumer products.

Sinclair, Michael B.; Flemming, Jeb Hunter; Blair, Raymond (Honeywell Federal Manufacturing & Technologies, Albuqueruque, NM); Pfeifer, Kent Bryant

2006-02-01T23:59:59.000Z

382

Electron Backscatter Diffraction Analysis of a CZT Growth Tip from a Vertical Gradient Freeze Furnace  

Science Conference Proceedings (OSTI)

Electronic backscatter diffraction (EBSD) was used to characterize the growth-tip region of a 4.2-cm diameter CdZnTe (CZT) boule grown using low-pressure Bridgman method in a vertical gradient freeze furnace. The boule was sectioned and polished and a section taken along the boule longitudinal centerline with an approximate surface area of 1-cm2 was used for optical and scanning electron microscopy. A collage was assembled using EBSD/SEM images to show morphological features, e.g., twin structure, grain structure, and overall crystal growth direction. Severely twinned regions originating from the tip and side walls were observed. The overall growth orientation was close to and directions. In some regions, the (001) poles of the CZT matrix aligned with the growth direction, while twins aligned such that (111) and (112) poles aligned with the growth direction. In some other areas, (112) or (011) poles of the CZT matrix aligned with the growth direction. New relationships between the CZT matrix and large Te polycrystalline particles were revealed: {11 }CZT??{1 00}Te and {001}CZT??{0 1}Te.

Sundaram, S. K.; Henager, Charles H.; Edwards, Danny J.; Schemer-Kohrn, Alan L.; Bliss, Mary; Riley, Brian J.

2011-08-15T23:59:59.000Z

383

Utilization of scrap preheating and substitute slag conditioners for electric-arc-furnace steelmaking. Report of Investigations/1987  

SciTech Connect

The preheating of continuously fed, fragmented ferrous scrap charges by furnace offgases and the utilization of substitutes for imported fluorspar to condition electric steelmaking slags were investigated. Three types of continuous scrap-charging procedures were investigated to determine electrical energy consumption in a 1-st (short ton) electric arc furnace. Cold and preheated scrap charges were continuously fed at rates averaging 37.5 and 43.7 lb. min, respectively. The feed rate varied appreciably from test to test owing to hangup of the scrap in the charge bin. Approximately 7 pct less electrical energy was consumed in melting scrap preheated to 840 to 1,110 F by furnace offgases than in melting cold scrap. Overall energy consumptions were 888 kW per h/st for cold scrap, 829 kW per h/st for preheated scrap, and 637 kW per h/st for conventional backcharged scrap. Stack gases from scrap preheating averaged 120 F and a flow rate of 1,615 standard cubic feet per meter (scfm) compared with 220 F and 1,302 scfm for cold-charged scrap.

Elger, G.W.; Nafziger, R.H.; Tress, J.E.; Hartman, A.D.

1987-01-01T23:59:59.000Z

384

AISI/DOE Technology Roadmap Program: Behavior of Phosphorus in DRI/HBI During Electric Furnace Steelmaking  

SciTech Connect

Many common scrap substitutes such as direct reduced iron pellets (DRI), hot briquetted iron (HBI), iron carbide, etc., contain significantly higher levels of phosphorus steelmaking for the production of higher quality steels, control of phosphorus levels in the metal will become a concern. This study has developed a more complete understanding of the behavior of phosphorus in DRI during EAF steelmaking, through a thorough investigation of the kinetics and thermodynamics of phosphorus transfer in the EAF based upon laboratory and plant experiments and trials. Laboratory experiments have shown that phosphorus mass transfer between oxide and metallic phases within commercial direct reduced iron pellets occurs rapidly upon melting according to the local equilibrium for these phases. Laboratory kinetic experiments indicate that under certain conditions, phosphorus mass transfer between slag and metal is influenced by dynamic phenomena, which affect the mass transfer coefficient for the reaction and/or the slag metal interfacial area. Plant trials were conducted to directly evaluate the conditions of mass transfer in the electric furnace and to determine the effects of different scrap substitute materials upon the slag chemistry, the behavior of phosphorus in the steel, and upon furnace yield. The data from these trials were also used to develop empirical models for the slag chemistry and furnace temperature as functions of time during a single heat. The laboratory and plant data were used to develop a numerical process model to describe phosphorus transfer in the EAF

Richard J. Frueham; Christopher P. Manning cmanning@bu.edu

2001-10-05T23:59:59.000Z

385

Recycling of rubber tires in electric arc furnace steelmaking: simultaneous combustion of metallurgical coke and rubber tyres blends  

Science Conference Proceedings (OSTI)

The present study investigates the effect of addition of waste rubber tires on the combustion behavior of its blends with coke for carbon injection in electric arc furnace steelmaking. Waste rubber tires were mixed in different proportions with metallurgical coke (MC) (10:90, 20:80, 30:70) for combustion and pyrolysis at 1473 K in a drop tube furnace (DTF) and thermogravimetric analyzer (TGA), respectively. Under experimental conditions most of the rubber blends indicated higher combustion efficiencies compared to those of the constituent coke. In the early stage of combustion the weight loss rate of the blends is much faster compared to that of the raw coke due to the higher volatile yield of rubber. The presence of rubber in the blends may have had an impact upon the structure during the release and combustion of their high volatile matter (VM) and hence increased char burnout. Measurements of micropore surface area and bulk density of the chars collected after combustion support the higher combustion efficiency of the blends in comparison to coke alone. The surface morphology of the 30% rubber blend revealed pores in the residual char that might be attributed to volatile evolution during high temperature reaction in oxygen atmosphere. Physical properties and VM appear to have a major effect upon the measured combustion efficiency of rubber blends. The study demonstrates that waste rubber tires can be successfully co-injected with metallurgical coke in electric arc furnace steelmaking process to provide additional energy from combustion. 44 refs., 11 figs., 2 tabs.

Magdalena Zaharia; Veena Sahajwalla; Byong-Chul Kim; Rita Khanna; N. Saha-Chaudhury; Paul O'Kane; Jonathan Dicker; Catherine Skidmore; David Knights [University of New South Wales, Sydney, NSW (Australia). School of Materials Science and Engineering

2009-05-15T23:59:59.000Z

386

Building and Fire Publications  

Science Conference Proceedings (OSTI)

... dishwasher; residential dishwashers; energy standards; energy consumption; test procedures; water consumption; dishwasher performance ...

387

Development of models and online diagnostic monitors of the high-temperature corrosion of refractories in oxy/fuel glass furnaces : final project report.  

Science Conference Proceedings (OSTI)

This report summarizes the results of a five-year effort to understand the mechanisms and develop models that predict the corrosion of refractories in oxygen-fuel glass-melting furnaces. Thermodynamic data for the Si-O-(Na or K) and Al-O-(Na or K) systems are reported, allowing equilibrium calculations to be performed to evaluate corrosion of silica- and alumina-based refractories under typical furnace operating conditions. A detailed analysis of processes contributing to corrosion is also presented. Using this analysis, a model of the corrosion process was developed and used to predict corrosion rates in an actual industrial glass furnace. The rate-limiting process is most likely the transport of NaOH(gas) through the mass-transport boundary layer from the furnace atmosphere to the crown surface. Corrosion rates predicted on this basis are in better agreement with observation than those produced by any other mechanism, although the absolute values are highly sensitive to the crown temperature and the NaOH(gas) concentration at equilibrium and at the edge of the boundary layer. Finally, the project explored the development of excimer laser induced fragmentation (ELIF) fluorescence spectroscopy for the detection of gas-phase alkali hydroxides (e.g., NaOH) that are predicted to be the key species causing accelerated corrosion in these furnaces. The development of ELIF and the construction of field-portable instrumentation for glass furnace applications are reported and the method is shown to be effective in industrial settings.

Griffiths, Stewart K.; Gupta, Amul (Monofrax Inc., Falconer, NY); Walsh, Peter M.; Rice, Steven F.; Velez, Mariano (University of Missouri, Rolla, MO); Allendorf, Mark D.; Pecoraro, George A. (PPG Industries, Inc., Pittsburgh, PA); Nilson, Robert H.; Wolfe, H. Edward (ANH Refractories, Pittsburgh, PA); Yang, Nancy Y. C.; Bugeat, Benjamin () American Air Liquide, Countryside, IL); Spear, Karl E. (Pennsylvania State University, University Park, PA); Marin, Ovidiu () American Air Liquide, Countryside, IL); Ghani, M. Usman (American Air Liquide, Countryside, IL)

2005-02-01T23:59:59.000Z

388

Analysis and performance of radial flow rotary dessicant dehumidifiers  

SciTech Connect

A model is developed to predict the steady periodic performance of a radial flow desiccant wheel. The model is expressed in terms of the same dimensionless parameters that are commonly used in modeling of the conventional axial flow desiccant wheel. In addition a dimensionless geometrical ratio of the volume of the matrix to the volume of the wheel core is found to affect the performance of the wheel. A finite difference technique on staggered grid is used to discretize the governing dimensionless equations. The discretized equations are solved to predict the performance of the desiccant wheel at given values of operation parameters. A sensitivity study is carried out to investigate the effect of changing any of these parameters on the performance of the wheel. The performance of the radial flow desiccant wheel having the same values of the operation parameters.

Elsayed, M.M.; Chamkha, A.J. [Kuwait Univ., Safat (Kuwait). Mechanical and Industrial Engineering Dept.

1997-02-01T23:59:59.000Z

389

Test and Evaluation of a Hybrid Desiccant Dehumidifier  

Science Conference Proceedings (OSTI)

Dehumidification technology is being investigated for potential savings in building air conditioning systems. The potential for savings lies in separating the sensible and the latent cooling loads to more efficiently address the combined conditioning needs of the space. The Munters DryCool HD combined desiccant/vapor compression system was tested in the EPRI Knoxville psychrometric chambers. The system was tested in the laboratory for a host of indoor and outdoor conditions. The system provides cooling a...

2011-05-09T23:59:59.000Z

390

Development of a simplified model for cooling and dehumidifying coils  

E-Print Network (OSTI)

Precise understanding of the cooling coil in air handler units is vital to assure the proper temperature and humidity in conditioned space while minimizing the associated costs of operating the air conditioning system. Several models have been developed in the past to characterize the overall heat transfer coefficient of this component. However, these models require specific details about the coil construction which make them impractical for in-situ applications. A simplified engineering model suitable for application to existing coils in the field is therefore needed in the heating, ventilating, and air conditioning (HVAC) industry. The objective of this study is to develop a simplified model suitable for use with field measured data to characterize the overall heat transfer coefficient of in-situ water-to-air cooling coils. This model uses the electrical resistance analogy to treat the heat transfer process in the coil. Field measured data combined with a theoretical analysis are the basis for the development of the model. Non-linear regressions are applied to the data to trace the heat transfer behavior of the coil. The coefficients obtained from the regressions account for the physical characteristics of the coil under study as well as for the properties of the fluids involved (air and water). The calibration of these parameters to data generated by a coil manufacturer's simulation program allows the application of the resulting model to different types of cooling coils with different characteristics. Correlations are developed to predict the coefficients of the model and make it suitable for application to water cooling coils with a range of physical characteristics. The resulting model is validated by testing it on data from two different buildings at Texas excellent in both cases, predicting the thermal resistance of the coils and the return water temperature with an average deviation of 3.5% and 1.2 'F, respectively. Finally, the model is used to develop algorithms to simulate the two most common chilled water loops in buildings: the two-way valve and the blending station arrangement. These algorithms are incorporated in software developed at the Energy Systems Laboratory at Texas A&M University, College Station, which is used to simulate building heating, cooling and energy consumption based on a simplified air-side model. This addition enhances the capability of the software to simulate the response of the water-side to changes occurring in the space conditioning area, providing, in this way, a clear picture of the heat transfer phenomena that occurs in the cooling coil. The upgraded software was tested on a campus building and there was good agreement between the conditions.

Maldonado, Eliezer

1997-01-01T23:59:59.000Z

391

Field Measurements of Heating Efficiency of Electric Forced-Air Furnaces in Six Manufactured Homes.  

Science Conference Proceedings (OSTI)

This report presents the results of field measurements of heating efficiency for six manufactured homes in the Pacific Northwest heated with electric forced-air systems. This is the first in a series of regional and national efforts to measure in detail the heating efficiency of manufactured homes. Only six homes were included in this study because of budgetary constraints; therefore this is not a representative sample. These investigations do provide some useful information on the heating efficiency of these homes. Useful comparisons can be drawn between these study homes and site-built heating efficiencies measured with a similar protocol. The protocol used to test these homes is very similar to another Ecotope protocol used in the study conducted in 1992 and 1993 for the Bonneville Power Administration to test the heating efficiency of 24 homes. This protocol combined real-time power measurements of furnace energy usage with energy usage during co-heat periods. Accessory data such as house and duct tightness measurements and tracer gas measurements were used to describe these homes and their heating system efficiency. Ensuring that manufactured housing is constructed in an energy and resource efficient manner is of increasing concern to manufactured home builders and consumers. No comparable work has been done to measure the heating system efficiency of MCS manufactured homes, although some co-heat tests have been performed on manufactured homes heated with natural gas to validate HUD thermal standards. It is expected that later in 1994 more research of this kind will be conducted, and perhaps a less costly and less time-consuming method for testing efficiencies will be develops.

Davis, Bob; Palmiter, Larry S.; Siegel, Jeff

1994-07-26T23:59:59.000Z

392

Advanced In-Furnace NOx Control for Wall and Cyclone-Fired Boilers  

SciTech Connect

A NO{sub x} minimization strategy for coal-burning wall-fired and cyclone boilers was developed that included deep air staging, innovative oxygen use, reburning, and advanced combustion control enhancements. Computational fluid dynamics modeling was applied to refine and select the best arrangements. Pilot-scale tests were conducted by firing an eastern high-volatile bituminous Pittsburgh No.8 coal at 5 million Btu/hr in a facility that was set up with two-level overfire air (OFA) ports. In the wall-fired mode, pulverized coal was burned in a geometrically scaled down version of the B and W DRB-4Z{reg_sign} low-NO{sub x} burner. At a fixed overall excess air level of 17%, NO{sub x} emissions with single-level OFA ports were around 0.32 lb/million Btu at 0.80 burner stoichiometry. Two-level OFA operation lowered the NO{sub x} levels to 0.25 lb/million Btu. Oxygen enrichment in the staged burner reduced the NO{sub x} values to 0.21 lb/million Btu. Oxygen enrichment plus reburning and 2-level OFA operation further curbed the NO{sub x} emissions to 0.19 lb/million Btu or by 41% from conventional air-staged operation with single-level OFA ports. In the cyclone firing arrangement, oxygen enrichment of the cyclone combustor enabled high-temperature and deeply staged operation while maintaining good slag tapping. Firing the Pittsburgh No.8 coal in the optimum arrangement generated 112 ppmv NO{sub x} (0.15 lb/million Btu) and 59 ppmv CO. The optimum emissions results represent 88% NO{sub x} reduction from the uncontrolled operation. Levelized costs for additional NO{sub x} removal by various in-furnace control methods in reference wall-fired or cyclone-fired units already equipped with single-level OFA ports were estimated and compared with figures for SCR systems achieving 0.1 lb NO{sub x}/10{sup 6} Btu. Two-level OFA ports could offer the most economical approach for moderate NO{sub x} control, especially for smaller units. O{sub 2} enrichment in combination with 2-level OFA was not cost effective for wall-firing. For cyclone units, NO{sub x} removal by two-level OFA plus O{sub 2} enrichment but without coal reburning was economically attractive.

Hamid Sarv

2009-02-28T23:59:59.000Z

393

Energy Efficiency Improvement by Measurement and Control: A Case Study of Reheating Furnaces in the Steel Industry  

E-Print Network (OSTI)

The aim of this paper is to analyze the possibilities for energy efficiency improvements through utilization of measurement and automatic control; this includes both direct fuel savings and indirect savings due to product quality improvements. Focus is on energy use in steel reheating furnaces for rolling mills. The demands on the reheating process and the operational conditions that are essential for its control are described. An analysis is made of possible reductions in energy use as a result of improved control. A survey is included of furnace control systems in steel plants; such equipment has been designed and implemented in order to optimize the reheating process. Reports of achieved savings are presented, and demands on measurement and control systems for successful implementation are discussed. Economic analyses, in terms of life cycle costs and estimated savings, are made for three levels of measurement and control systems. Reductions in energy use of up to 20 percent can be expected for the type of process studied, as a result of investments in information technology; it is also concluded that such investments are cost-effective.

Martensson, A.

1992-04-01T23:59:59.000Z

394

Experimental Characterization of Canola Oil Emulsion Combustion in a Modified Furnace  

E-Print Network (OSTI)

Vegetable oils have been researched as alternative source of energy for many years because they have proven themselves as efficient fuel sources for diesel engines when used in the form of biodiesel, vegetable oildiesel blends, vegetable oil-water-diesel blends and mixtures thereof. However, very few studies involving the use of emulsified low grade alcohols in straight vegetable oils, as fuels for combustion have been published. Even, the published literature involves the use of emulsified fuels only for compression ignition diesel engines. Through this project, an attempt has been made to suggest the use of alcohol-in-vegetable oil emulsions (AVOE) as an alternate fuel in stationary burners like electric utility boiler producing steam for electricity generation and more dynamic systems like diesel engines. The main goal of this study is to understand the effect of the combustion of different methanol-in-canola oil emulsions, swirl angle and equivalence ratio on the emission levels of NOx, unburned hydrocarbons (UHC), CO and CO2. The 30 kW furnace facility available at Coal and Biomass Energy Laboratory at Texas A & M University was modified using a twin fluid atomizer, a swirler and a new liquid fuel injection system. The swirler blades were positioned at 60 and 51 angles (with respect to vertical axis) in order to achieve swirl numbers of 1.40 and 1.0, respectively. The three different fuels studied were, pure canola oil, 89-9 emulsion [9 percent methanol in 89 percent canola oil emulsion with 2 percent surfactant (w/w)] and 85-12.5 emulsion [12.5 percent methanol in 85 percent canola oil (w/w) emulsion with 2.5 percent surfactant]. All the combustion experiments were conducted for a constant heat output of 72,750 kJ/hr. One of the major findings of this research work was the influence of fuel type and swirl number on emission levels. Both the emulsions produced lower NOx, unburned (UHC) hydrocarbon and CO emissions than pure canola oil at both swirl numbers and all equivalence ratios. The emulsions also showed higher burned fraction values than pure oil and produced more CO2. Comparing the performance of only the two emulsions, it was seen that the percentage amount of methanol added to the blend had a definite positive impact on the combustion products of the fuel. The higher the percentage of methanol in the emulsions, the lesser the NOx, UHC and CO emissions. Of all the three fuels, 85-12.5 emulsion produced the least emissions. The vorticity imparted to the secondary air by the swirler also affected the emission levels. Increased vorticity at higher swirl number led to proper mixing of air and fuel which minimized emission levels at SN = 1.4. The effect of equivalence ratio on NO_x formation requires a more detailed analysis especially with regards to the mechanism which produces nitrogen oxides during the combustion of the studied fuels.

Bhimani, Shreyas Mahesh

2011-05-01T23:59:59.000Z

395

Measurements of the flame emissivity and radiative properties of particulate medium in pulverized-coal-fired boiler furnaces by image processing of visible radiation  

SciTech Connect

Due to the complicated processes for coal particles burning in industrial furnaces, their radiative properties, such as the absorption and scattering coefficients, which are essential to make reliable calculation of radiative transfer in combustion computation, are hard to be given exactly by the existing methods. In this paper, multiple color image detectors were used to capture approximately red, green, and blue monochromatic radiative intensity images in the visible wavelength region, and the flame emissivity and the radiative properties of the particulate media in three pulverized-coal-fired boiler furnaces were got from the flame images. It was shown that as the load increased, the flame emissivity and the radiative properties increased too; these radiative parameters had the largest values near the burner zone, and decreased along the combustion process. Compared with the combustion medium with a low-volatile anthracite coal burning in a 670 t/h boiler, the emissivity and the absorption coefficient of the medium with a high-volatile bituminous coal burning in a 1025 t/h boiler were smaller near the outlet zone, but were larger near the burner zone of the furnace, due to the significant contribution of soot to the radiation. This work will be of practical importance in modeling and calculating the radiative heat transfer in combustion processes, and improving the technology for in situ, multi-dimensional visualization of large-scale combustion processes in coal-fired furnaces of power plants. 18 refs., 10 figs., 8 tabs.

Chun Lou; Huai-Chun Zhou; Peng-Feng Yu; Zhi-Wei Jiang [Huazhong University of Science and Technology, Wuhan (China). State Key Laboratory of Coal Combustion

2007-07-01T23:59:59.000Z

396

Impact evaluation of an induction furnace replacement under the Energy $avings Plan at Mackenzie Specialty Castings, Incorporated  

SciTech Connect

This impact evaluation of an induction furnace replacement that was recently installed at Mackenzie Specialty Castings, Incorporated (Mackenzie Castings) was conducted for the Bonneville Power Administration (Bonneville) as part of an evaluation of its Energy Savings Plan (ESP) Program. The project consists of replacing old power supplies and induction furnace with new, more efficient supplies and equipment. The objective of this impact evaluation was to assess how much electrical energy is being saved at Mackenzie Castings as a result of the ESP and to determine how much the savings cost Bonneville and the region. The impact of the project was evaluated with a combination of engineering analysis, financial analysis, interviews, and submittal reviews (Mackenzie Castings`s proposal and completion report). Based on this impact evaluation, energy savings from this project are expected to be 425,257 kWh/yr at minimum annual production, 647,037 kWh/yr at typical annual production, and 1,294,074 kWh/yr at maximum annual production, or 0.05, 0.07, and 0.15 average megawatts, respectively. On a per-ton basis, this project will save 608 kWh/ton or 31% at minimum production and 431 kWh/ton or 39% at typical and maximum production. The project cost $277,110 to install, and Mackenzie Castings received payment of $102,551 (in 1993 dollars) from Bonneville for acquisition of the energy savings. The real levelized cost of these energy savings to Bonneville is 22.9 mills/kWh at minimum production, 15.1 mills/kWh typical production, and 7.5 mills/kWh at maximum production (in 1993 dollars) over the project`s assumed 15-year life. The real levelized cost to the region is 59.1 mills/kWh at minimum production, 38.8 mills/kWh at typical production, and 19.4 mills/kWh at maximum production in 1993 dollars, not including transmission and distribution effects.

Oens, M.A.; Spanner, G.E.

1994-04-01T23:59:59.000Z

397

Residential Energy Efficiency Rebates (Offered by 5 Utilities) | Department  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Residential Energy Efficiency Rebates (Offered by 5 Utilities) Residential Energy Efficiency Rebates (Offered by 5 Utilities) Residential Energy Efficiency Rebates (Offered by 5 Utilities) < Back Eligibility Residential Savings Category Heating & Cooling Commercial Heating & Cooling Heating Cooling Appliances & Electronics Heat Pumps Commercial Lighting Lighting Program Info State North Dakota Program Type Utility Rebate Program Rebate Amount Ceiling Fan: $25 Clothes Washer: $50 Decorative Light Strings: $3.50/string Dehumidifier: $10 Dishwasher: $25 Refrigerator: $50 Room Air Conditioner: $15 Home Heating and Cooling: Varies Provider Missouri River Energy Services Bright Energy Solutions offers energy efficiency cash incentive programs to residential and business customers of municipal utilities that are members

398

Riverland Energy Cooperative - Residential Energy Efficiency Rebate Program  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Riverland Energy Cooperative - Residential Energy Efficiency Rebate Riverland Energy Cooperative - Residential Energy Efficiency Rebate Program Riverland Energy Cooperative - Residential Energy Efficiency Rebate Program < Back Eligibility Residential Savings Category Heating & Cooling Commercial Heating & Cooling Heating Cooling Appliances & Electronics Construction Heat Pumps Commercial Lighting Lighting Water Heating Program Info State Wisconsin Program Type Utility Rebate Program Rebate Amount General Lighting: $1 - $15 LED Bulbs: $2/unit Occupancy Sensors: $5 Clothes Washers: $25 Dishwashers: $25 Dehumidifiers: $25 Refrigerators: $25 Room Air Conditioners: $25 Refrigerator/Freezer Recycling: $25 Room Air Conditioner Recycling: $25 Central Air Conditioner: $40 - $80/Ton Electric Water Heater: $50 - $300 Water Heater Installation Cost: $20 - $150

399

Mansfield Municipal Electric Department - Residential Energy Efficiency  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Mansfield Municipal Electric Department - Residential Energy Mansfield Municipal Electric Department - Residential Energy Efficiency Rebate Program Mansfield Municipal Electric Department - Residential Energy Efficiency Rebate Program < Back Eligibility Residential Savings Category Heating & Cooling Commercial Heating & Cooling Cooling Appliances & Electronics Maximum Rebate $100 limit per customer account for appliances purchased in the same calendar year. Program Info Expiration Date 12/31/2014 State Massachusetts Program Type Utility Rebate Program Rebate Amount Central AC: $100 Refrigerators: $100 Clothes Washing Machines: $100 Dishwashers: $75 Dehumidifiers: $50 Window Air Conditioners: $50 Provider Mansfield Municipal Electric Department Mansfield Municipal Electric Department encourages energy efficiency

400

Eau Claire Energy Cooperative - Residential Energy Efficiency Rebate  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Eau Claire Energy Cooperative - Residential Energy Efficiency Eau Claire Energy Cooperative - Residential Energy Efficiency Rebate Program Eau Claire Energy Cooperative - Residential Energy Efficiency Rebate Program < Back Eligibility Multi-Family Residential Residential Savings Category Heating & Cooling Commercial Heating & Cooling Cooling Appliances & Electronics Manufacturing Heat Pumps Commercial Lighting Lighting Water Heating Program Info State Wisconsin Program Type Utility Rebate Program Rebate Amount Clothes washer: $25 Dishwashers: $25 Refrigerators: $25 Room Air Conditioner: $25 Dehumidifier: $25 Refrigerator/Freezer/Room AC Recycling: $25 Central Air Conditioner/Mini Split: $40 - $80/Ton Air Source Heat Pump/Mini-Split Heat Pumps: $150/Ton Package Terminal Heat Pump: $150/Ton Geothermal Heat Pump: $300/Ton

Note: This page contains sample records for the topic "dehumidifiers dishwasher furnaces" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


401

Reading Municipal Light Department - Residential ENERGY STAR Appliance  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

You are here You are here Home » Reading Municipal Light Department - Residential ENERGY STAR Appliance Rebate Program Reading Municipal Light Department - Residential ENERGY STAR Appliance Rebate Program < Back Eligibility Residential Savings Category Heating & Cooling Cooling Commercial Heating & Cooling Appliances & Electronics Heat Pumps Water Heating Maximum Rebate One rebate per Energy Star appliance or two rebates on the purchase of programmable thermostats Program Info State Massachusetts Program Type Utility Rebate Program Rebate Amount Electric Heat Pump Water Heater: $250 Air Source Heat Pump: $100 Central AC: $100 Refrigerator: $50 Washing Machine: $50 Dishwasher: $50 Room A/C: $25 Dehumidifier: $25 Programmable Thermostat:$15 (limit 2) Ceiling Fan: $10

402

Chapter 5, Residential Furnaces and Boilers Evaluation Protocol: The Uniform Methods Project: Methods for Determining Energy Efficiency Savings for Specific Measures  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

5: Residential 5: Residential Furnaces and Boilers Evaluation Protocol David Jacobson, Jacobson Energy Research Subcontract Report NREL/SR-7A30-53827 April 2013 The Uniform Methods Project: Methods for Determining Energy Efficiency Savings for Specific Measures 5 - 1 Chapter 5 - Table of Contents 1 Measure Description .............................................................................................................. 2 2 Application Conditions of Protocol ....................................................................................... 3 3 Savings Calculations .............................................................................................................. 5 4 Measurement and Verification Plan ....................................................................................... 8

403

Plasma as a Blast Furnace Supplement: An Evaluation of Thermal Plasma Energy to Heat Blast Air for Iron Productiion, CMP Report No. 89-1  

Science Conference Proceedings (OSTI)

This study evaluates the use of thermal plasma heat for blast superheating in iron blast furnace operation. The basic research for this technology was carried out in the 1970's, primarily by the Centre des Recherches Metallurgiques (CRM) in Belgium. The main impetus for development was to increase productivity and efficiency and to decrease coke consumption. This was achieved by replacing some coke fuel by alternative injectant fuels (CH4, oil, coal, etc.) and compensating for these injectants by increas...

1990-10-31T23:59:59.000Z

404

Development of a high-performance coal-fired power generating system with pyrolysis gas and char-fired high temperature furnace (HITAF)  

SciTech Connect

A concept for an advanced coal-fired combined-cycle power generating system is currently being developed. The first phase of this three-phase program consists of conducting the necessary research and development to define the system, evaluate the economic and technical feasibility of the concept, and prepare an R D plan to develop the concept further. Foster Wheeler Development Corporation is leading a team ofcompanies involved in this effort. The system proposed to meet these goals is a combined-cycle system where air for a gas turbine is indirectly heated to approximately 1800[degrees]F in furnaces fired with cool-derived fuels and then directly heated in a natural-gas-fired combustor up to about 2400[degrees]F. The system is based on a pyrolyzing process that converts the coal into a low-Btu fuel gas and char. The fuelgas is a relatively clean fuel, and it is fired to heat tube surfaces that are susceptible to corrosion and problems from ash deposition. In particular, the high-temperature air heater tubes, which will need tobe a ceramic material, will be located in a separate furnace or region of a furnace that is exposed to combustion products from the low-Btu fuel gas only. A simplified process flow diagram is shown.

Not Available

1992-11-01T23:59:59.000Z

405

Evaluating the combustion reactivity of drop tube furnace and thermogravimetric analysis coal chars with a selection of metal additives  

SciTech Connect

Opportunities exist for effective coal combustion additives that can reduce the carbon content of pulverized fuel ash (PFA) to below 6%, thereby making it saleable for filler/building material applications without the need for postcombustion treatment. However, with only limited combustion data currently available for the multitude of potential additives, catalytic performance under pulverized fuel (PF) boiler conditions has received relatively little attention. This paper therefore compares the reactivity of catalyzed bituminous coal chars from thermogravimetric analysis (TGA) with those generated by devolatilization in a drop tube furnace (DTF). The principal aim was to explore the fundamental chemistry behind the chosen additives' relative reactivities. Accordingly, all eight of the investigated additives increased the TGA burnout rate of the TGA and DTF chars, with most of the catalysts demonstrating consistent reactivity levels across chars from both devolatilization methods. Copper(I) chloride, silver chloride, and copper nitrate were thus identified as the most successful additives tested, but it proved difficult to establish a definitive reactivity ranking. This was largely due to the use of physical mixtures for catalyst dispersion, the relatively narrow selection of additives examined, and the inherent variability of the DTF chars. Nevertheless, one crucial exception to normal additive behavior was discovered, with copper(I) chloride perceptibly deactivating during devolatilization in the DTF, even though it remained the most effective catalyst tested. As a prolonged burnout at over 1000{sup o}C was required to replicate this deactivation effect on the TGA, the phenomenon could not be detected by typical testing procedures. Subsequently, a comprehensive TGA study showed no obvious relationship between the catalyst-induced reductions in the reaction's apparent activation energy and the samples recorded burnout rates.

Katherine Le Manquais; Colin E. Snape; Ian McRobbie; Jim Barker [University of Nottingham (United Kingdom). Department of Chemical and Environmental Engineering

2011-03-17T23:59:59.000Z

406

International Review of the Development and Implementation of Energy Efficiency Standards and Labeling Programs  

E-Print Network (OSTI)

machines and dryers, dishwashers, ovens, water heaters andlabeled clothes washers, dishwashers, air conditioners, andrefrigerators, freezers, dishwashers, clothes washers, gas

Zhou, Nan

2013-01-01T23:59:59.000Z

407

2005 Status Report Savings Estimates for the ENERGY STAR(R) Voluntary Labeling Program  

E-Print Network (OSTI)

Exit Signs Dishwashers Room Airclothes washers, dishwashers, room air conditioners (RACs),clothes washers, dishwashers, and room air conditioners (

Webber, Carrie A.; Brown, Richard E.; Sanchez, Marla

2006-01-01T23:59:59.000Z

408

Calendar Year 2008 Program Benefits for ENERGY STAR Labeled Products  

E-Print Network (OSTI)

fans CFL Commercial dishwasher Commercial fryers Commercialwashers Residential dishwashers Residential light fixturesCeiling Fans Commercial Dishwashers Commercial Hot Food

Homan, GregoryK

2010-01-01T23:59:59.000Z

409

Climate Change and Water Resources in California: The Cost of Conservation versus Supply Augmentation for the East Bay Municipal Utility District  

E-Print Network (OSTI)

more efficient washers, dishwashers, and toilets; incentivestoilets, showerheads, dishwashers, and washing machines (showerheads, washers, and dishwashers; and 2. Services, such

Mourad, Bessma

2009-01-01T23:59:59.000Z

410

Understanding the Market for Secondary Units in the East Bay  

E-Print Network (OSTI)

street parking, dishwashers and on-?site laundry facilities (%) Dishwasher (%) Microwave (%) + FREE _ LAUND + MICROW + DISHWASHER +FULL _ KITCHEN +

Wegmann, Jake; Chapple, Karen

2012-01-01T23:59:59.000Z

411

2004 status report: Savings estimates for the Energy Star(R) voluntarylabeling program  

E-Print Network (OSTI)

air conditioners and dishwashers. Because energy efficiencyWashers. Y Dishwashers Y Room Airclothes washers, dishwashers, room air conditioners (RACs),

Webber, Carrie A.; Brown, Richard E.; McWhinney, Marla

2004-01-01T23:59:59.000Z

412

2007 Status Report: Savings Estimates for the ENERGY STAR(R) VoluntaryLabeling Program  

E-Print Network (OSTI)

Telephony.. 2002 Dishwashers 1996 a Hotclothes washers, dishwashers, room air conditioners (RACs),clothes washers, dishwashers, and room air conditioners (

Sanchez, Marla; Webber, Carrie A.; Brown, Richard E.; Homan, Gregory K.

2007-01-01T23:59:59.000Z

413

Behavioral Perspectives on Home Energy Audits: The Role of Auditors, Labels, Reports, and Audit Tools on Homeowner Decision Making  

E-Print Network (OSTI)

STAR washing machine. Replace dishwasher with a high efficiency dishwasher. Install photovoltaic machine. Replace dishwasher with a high efficiency

Ingle, Aaron

2013-01-01T23:59:59.000Z

414

Feasibility of Achieving a Zero-Net-Energy, Zero-Net-Cost Homes  

E-Print Network (OSTI)

CostCalculator"[fordishwashers] Excelworksheet. index.cfm? c=dishwash.pr_dishwashers>. File isdishwasher; clotheswasher

Al-Beaini, S.

2010-01-01T23:59:59.000Z

415

Energy efficiency standards for residential and commercial equipment: Additional opportunities  

E-Print Network (OSTI)

washer Dishwashing Dishwasher Lighting Torchiere Spacea higher-efficiency dishwasher. ** This category does notPool pump Ceiling fan Dishwasher Torchiere Refrigerator Room

Rosenquist, Greg; McNeil, Michael; Iyer, Maithili; Meyers, Steve; McMahon, Jim

2004-01-01T23:59:59.000Z

416

Assessment of China's Energy-Saving and Emission-Reduction Accomplishments and Opportunities During the 11th Five Year Plan  

E-Print Network (OSTI)

htm Energy Star, 2009. Dishwashers for Consumers. Availableindex.cfm? c=dishwash.pr_dishwashers Ericsson, K. , 2006certified products such as dishwashers, refrigerators and

Levine, Mark D.

2010-01-01T23:59:59.000Z

417

Conservation Conservation ResourcesConservation Resources  

E-Print Network (OSTI)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 Table 5.4 Dishwasher

418

Documentation of Calculation Methodology, Input data, and Infrastructure for the Home Energy Saver Web Site  

E-Print Network (OSTI)

Heating Equipment, Mobile Home Furnaces, Kitchen Ranges and Ovens,Oven fuel Climate zone Year house was built Number of stories HeatingHeating Energy. 36 3.3.5.3 User Inputs to the Dishwasher Models 37 3.3.6 Stove and Oven

2005-01-01T23:59:59.000Z

419

Residential Energy Consumption Survey (RECS) - Data - U.S. Energy ...  

U.S. Energy Information Administration (EIA)

Furnace Fan: 76.3: 500 g: 38.2: 3.3: Dishwasher: 56.7: 512 l: 29.0: 2.5: Electric Range Top c: 59.7: 536 g: 32.0: 2.8: Electric Oven d: 47.8: 440 g: 21.0: 1.8 ...

420

End-Use Consumption of Electricity by End Use and Appliance  

U.S. Energy Information Administration (EIA)

Furnace Fan: 76.3 . 500 g . 38.2. 3.3. Dishwasher: 56.7 . 512 l. 29.0. 2.5. Electric Range Top c: 59.7 . 536 g . 32.0. 2.8. Electric Oven d: 47.8 . 440 g . 21.0. 1.8 ...

Note: This page contains sample records for the topic "dehumidifiers dishwasher furnaces" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


421

Fuel-Fired Furnaces  

Science Conference Proceedings (OSTI)

...Fuel must arrive at the burner in the correct quantity and at the correct time for safe combustion. Fuel pressure thus must be proven within an allowable range. Gas-pressure switches for both high and low gas limits are installed in the main gas

422

Furnaces | Open Energy Information  

Open Energy Info (EERE)

source History View New Pages Recent Changes All Special Pages Semantic SearchQuerying Get Involved Help Apps Datasets Community Login | Sign Up Search Page Edit History Facebook...

423

Forced air fireplace furnace  

Science Conference Proceedings (OSTI)

The design of heating system for buildings including a fireplace with an open front hearth for burning firewood, a chimney extending from the upper portion of the hearth, a metal firebox being open in the front and closed on the sides and back, a plenum chamber within and surrounding the sides and back of the metal firebox and the chimney lower portion, a horizontal heat distribution chamber positioned in the building attic and communicating at one end with the plenum chamber is described. An air distribution duct connects to the other end of the air distributing chamber, the duct extending to discharge heated air to a place in the building remote from the fireplace. A fan is placed in the horizontal air distributing chamber, and a return air duct extends from selected place in the building and communicates with the plenum chamber lower portion so that the fan draws air through the return air duct, through the plenum chamber around the firebox where the air is heated, through the horizontal distribution chamber, and out through the distribution duct for circulation of the heated air within the building.

Bruce, R.W.; Gorman, R.E.

1980-10-28T23:59:59.000Z

424

Co-combustion of refuse derived fuel and coal in a cyclone furnace at the Baltimore Gas and Electric Company, C. P. Crane Station  

DOE Green Energy (OSTI)

A co-combustion demonstration burn of coal and fluff refuse-derived fuel (RDF) was conducted by Teledyne National and Baltimore Gas and Electric Company. This utility has two B and W cyclone furnaces capable of generating 400 MW. The facility is under a prohibition order to convert from No. 6 oil to coal; as a result, it was desirable to demonstrate that RDF, which has a low sulfur content, can be burned in combination with coals containing up to 2% sulfur, thus reducing overall sulfur emissions without deleterious effects. Each furnace consists of four cyclones capable of generating 1,360,000 pounds per hour steam. The tertiary air inlet of one of the cyclones was modified with an adapter to permit fluff RDF to be pneumatically blown into the cyclone. At the same time, coal was fed into the cyclone furnace through the normal coal feeding duct, where it entered the burning chamber tangentially and mixed with the RDF during the burning process. Secondary shredded fluff RDF was prepared by the Baltimore County Resource Recovery Facility. The RDF was discharged into a receiving station consisting of a belt conveyor discharging into a lump breaker, which in turn, fed the RDF into a pneumatic line through an air-lock feeder. A total of 2316 tons were burned at an average rate of 5.6 tons per hour. The average heat replacement by RDF for the cyclone was 25%, based on Btu input for a period of forty days. The range of RDF burned was from 3 to 10 tons per hour, or 7 to 63% heat replacement. The average analysis of the RDF (39 samples) for moisture, ash, heat (HHV) and sulfur content were 18.9%, 13.4%, 6296 Btu/lb and 0.26% respectively. RDF used in the test was secondary shredded through 1-1/2 inch grates producing the particle size distribution of from 2 inches to .187 inches. Findings to date after inspection of the boiler and superheater indicate satisfactory results with no deleterious effects from the RDF.

Not Available

1982-03-01T23:59:59.000Z

425

Calendar Year 2007 Program Benefits for U.S. EPA Energy Star Labeled Products: Expanded Methodology  

E-Print Network (OSTI)

Dishwasherfor commercial dishwasher .56 Table 6-commercial ice machine and dishwasher are effective in 2008.

Sanchez, Marla

2010-01-01T23:59:59.000Z

426

Miscellaneous electricity use in U.S. homes  

E-Print Network (OSTI)

for clotheswasher and dishwasher motors, color televisions,Recorder Ceiling Fan Dishwasher Motor Clotheswasher Motor

Sanchez, Marla C.; Koomey, Jonathan G.; Moezzi, Mithra M.; Meier, Alan; Huber, Wolfgang

1999-01-01T23:59:59.000Z

427

Energy Efficiency Indicators Methodology Booklet  

E-Print Network (OSTI)

washing machine, dishwashers and TV) Unit consumptionelectric and gas ranges, dishwasher water heating Floor

Sathaye, Jayant

2010-01-01T23:59:59.000Z

428

ASSESSMENT OF HOUSEHOLD CARBON FOOTPRINT REDUCTION POTENTIALS  

E-Print Network (OSTI)

A/C Clothes washer Dishwasher First refrigerator Freezerenabled ENERGY STAR dishwashers, fryers, hot food holding

Masanet, Eric

2010-01-01T23:59:59.000Z

429

Max Tech Appliance Design: Potential for Maximizing U.S. Energy Savings through Standards  

E-Print Network (OSTI)

Fans Desktop Monitors Dishwashers Clothes Washers ClothesCompressors, pumps, blowers, dishwashers, refrigerators, and

Garbesi, Karina

2011-01-01T23:59:59.000Z

430

Development of a solar-desiccant dehumidifier. Phase II. Final summary report  

DOE Green Energy (OSTI)

The solar desiccant air conditioner (SODAC), its operation, characteristics of the major components, performance at design conditions, and the control schemes for optimum operation in various climates are described for both recirculated and ventilated configurations, with greater emphasis on the recirculated configuration. The development testing and the determination of the SODAC performance in both configurations over the entire range of interfacing parameters are reported. (LEW)

Rousseau, J.

1982-11-01T23:59:59.000Z

431

Experimental study of the heat and mass transfer in a packed bed liquid desiccant air dehumidifier  

Science Conference Proceedings (OSTI)

Desiccant cooling systems have the ability to provide efficient humidity and temperature control while reducing the electrical energy requirement for air conditioning as compared to a conventional system. Naturally, the desiccant air dehumidification process greatly influences the overall performance of the desiccant system. Therefore, the effects of variables such as air and desiccant flow rates, air temperature and humidity, desiccant temperature and concentration, and the area available for heat and mass transfer are of great interest. Due to the complexity of the dehumidification process, theoretical modeling relies heavily upon experimental studies. However, a limited number of experimental studies are reported in the literature. This paper presents results from a detailed experimental investigation of the heat and mass transfer between a liquid desiccant (triethylene glycol) and air in a packed bed absorption tower using high liquid flow rates. A high performance packing that combines good heat and mass transfer characteristics with low pressure drop is used. The rate of dehumidification, as well as the effectiveness of the dehumidification process are assessed based on the variables listed above. Good agreement is shown to exist between the experimental findings and predictions from finite difference modeling. In addition, a comparison between the findings in the present study and findings previously reported in the literature is made. The results obtained from this study make it possible to characterize the important variables which impact the system design.

Oeberg, V.; Goswami, D.Y. [Univ. of Florida, Gainesville, FL (United States)

1998-11-01T23:59:59.000Z

432

Dynamic performance of packed-bed dehumidifiers: experimental results from the SERI desiccant test loop  

DOE Green Energy (OSTI)

Discussed are the design and construction of a desiccant test loop and results of tests with a silica-gel-packed bed. The test loop consists of two centrifugal fans, two duct heaters, a steam humidifier, 24.4m (80 ft) of 30-cm (12-in.) circular duct, instrumentation, and a test section. The loop is capable of testing adsorption and desorption modes at flow rates up to 0.340 kg/s (600 scfm) and at regeneration temperatures up to 120/sup 0/C (248/sup 0/F). Tests of a 74-cm(29-in.)-diameter, 3.2-cm(1.25-in.)-thick silica gel bed indicated that mass transfer occurs more readily in the adsorption direction than in the desorption direction. Pressure drop data indicated that the resistance of each of the two screens that hold the silica gel in place was equivalent to 2.5-cm(1-in.) of silica gel due to plugging. Results of the tests were also used to validate a SERI desiccant computer model, DESSIM.

Kutscher, C F; Barlow, R S

1982-08-01T23:59:59.000Z

433

Development of a solar desiccant dehumidifier. Phase II. Technical progress report  

DOE Green Energy (OSTI)

The effort reported is a continuation of the development testing of the 1.5-ton solar desiccant air conditioner (SODAC) and is concerned with determination of the SODAC performance in the recirculated and ventilated mode configuration. Test data in the recirculated mode are presented. As originally conceived, the SODAC features two-speed indoor and outdoor fans to permit more efficient operation at reduced capacity. In both full-flow and half-flow cases, the experimental data are compared to computer predictions. The system and its operation are described, as are the system test facility and procedures. The system description includes the characteristics of the major components, the performance at design conditions, and the control schemes for optimum operation in various climates. (LEW)

Rousseau, J.

1981-03-27T23:59:59.000Z

434

Development of a solar-desiccant dehumidifier. Phase II second technical progress report  

DOE Green Energy (OSTI)

The solar desiccant air conditioner (SODAC) system and its operation are described, including the characteristics of the major components, the performance at design conditions, and the control schemes for optimum operation in various climates. The system uses granular silica gel as a desiccant. It may operate in either a recirculated mode (no air exchange between the outside and the conditioned space) or a ventilated mode (air exchanged between outside and conditioned space). The test data in the ventilated mode at design flow rates are presented. Data include outdoor and indoor inlet wet and dry bulb temperatures, indoor outlet dry and wet bulb temperatures, capacity, coefficient of performance, air flow rates, hot water temperature, and solar heat used. The effects of indoor, outdoor, and hot water temperatures on the capacity and coefficient of performance are shown graphically, and the recirculated and ventilated modes, performances are compared. (LEW)

Rousseau, J.

1981-10-16T23:59:59.000Z

435

Development of a high-performance coal-fired power generating system with pyrolysis gas and char-fired high temperature furnace (HITAF). Quarterly progress report No. 3, July--September 1992  

SciTech Connect

A concept for an advanced coal-fired combined-cycle power generating system is currently being developed. The first phase of this three-phase program consists of conducting the necessary research and development to define the system, evaluate the economic and technical feasibility of the concept, and prepare an R & D plan to develop the concept further. Foster Wheeler Development Corporation is leading a team ofcompanies involved in this effort. The system proposed to meet these goals is a combined-cycle system where air for a gas turbine is indirectly heated to approximately 1800{degrees}F in furnaces fired with cool-derived fuels and then directly heated in a natural-gas-fired combustor up to about 2400{degrees}F. The system is based on a pyrolyzing process that converts the coal into a low-Btu fuel gas and char. The fuelgas is a relatively clean fuel, and it is fired to heat tube surfaces that are susceptible to corrosion and problems from ash deposition. In particular, the high-temperature air heater tubes, which will need tobe a ceramic material, will be located in a separate furnace or region of a furnace that is exposed to combustion products from the low-Btu fuel gas only. A simplified process flow diagram is shown.

Not Available

1992-11-01T23:59:59.000Z

436

Residential Sector Demand Module 1998, Model Documentation  

Reports and Publications (EIA)

This is the fourth edition of the Model Documentation Report: Residential Sector DemandModule of the National Energy Modeling System (NEMS). It reflects changes made to themodule over the past year for the Annual Energy Outlook 1998. Since last year, severalnew end-use services were added to the module, including: Clothes washers,dishwashers, furnace fans, color televisions, and personal computers. Also, as with allNEMS modules, the forecast horizon has been extended to the year 2020.

John H. Cymbalsky

1998-01-01T23:59:59.000Z

437

Homeowner's guide to saving energy  

SciTech Connect

The simplest methods to save energy and money are compiled in this guide for homeowners, builders, or renters. Fourteen Chapters summarize these data: Fundamentals of Heating and Cooling; It Pays to Know Your Insulation; Insulating Your Home; Insulating Your Garage; Weather Stripping Doors and Windows; Heating Systems and Routine Maintenance; Tuning Up Your Heating System; Furnace Humidifiers; Air Conditioners and Common Sense; Maintaining Your Air Conditioner; Refrigerators and Freezers; Water Heaters; Washers, Driers, and Dishwashers; and Home Wiring and Lighting. (MCW)

Price, B.L.; Price, J.T.

1976-01-01T23:59:59.000Z

438

EA-1662: Finding of No Significant Impact | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

2: Finding of No Significant Impact 2: Finding of No Significant Impact EA-1662: Finding of No Significant Impact Energy Conservation Program: Energy Conservation Standards for Certain Consumer Products (Dishwashers, Dehumidifiers, Microwave Ovens, and Electric and Gas Kitchen Ranges and Ovens) and for Certain Commercial and Industrial Equipment (Commercial Clothes Washers) This chapter describes potential environmental effects that may result from amended energy conservation standards for residential cooking products and commercial clothes washers. The Department of Energy has determined that the proposed action is not a major federal action that would significantly affect the quality of the human environment within the meaning of the National Environmental Policy Act of 1969. Finding of No Significant Impact for 10 CFR Part 430 Energy Conservation

439

Page not found | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Error message Error message The page you requested does not exist. For your convenience, a search was performed using the query sites prod files 11 COMM 11 L 23. You are here Home » Page not found Page not found Oops! The page you are looking for doesn't seem to be available. Did you find a broken link? Tell us and we'll fix it. Or maybe you meant to go somewhere else? Use the search box or links below to help guide you. Enter terms sites prod files 11 COMM 11 L 23 Search Showing 16571 - 16580 of 28,905 results. Rebate Income Tax Deduction for Energy-Efficient Products This incentive is available for dishwashers, clothes washers, air conditioners, ceiling fans, compact fluorescent light bulbs, dehumidifiers, programmable thermostats or refrigerators that meet or... http://energy.gov/savings/income-tax-deduction-energy-efficient-products

440

Marshall Municipal Utilities - Residential Energy Efficiency Rebate Program  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Marshall Municipal Utilities - Residential Energy Efficiency Rebate Marshall Municipal Utilities - Residential Energy Efficiency Rebate Program Marshall Municipal Utilities - Residential Energy Efficiency Rebate Program < Back Eligibility Residential Savings Category Heating & Cooling Commercial Heating & Cooling Cooling Appliances & Electronics Home Weatherization Construction Commercial Weatherization Design & Remodeling Heat Pumps Commercial Lighting Lighting Water Heating Program Info State Minnesota Program Type Utility Rebate Program Rebate Amount Lighting: $0.20/watt Holiday Light String: $3.50/string Clothes Washer: $100 Dishwasher: $50 Refrigerator/Freezer: $50 Room A/C: $25 Dehumidifier: $10 Central A/C: $100/ton Air-source Heat Pump: $150/ton Geothermal Heat Pump: $200/ton Electric Water Heater: $50; $100 (new construction or conversion)

Note: This page contains sample records for the topic "dehumidifiers dishwasher furnaces" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


441

Page not found | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

51 - 24360 of 29,416 results. 51 - 24360 of 29,416 results. Rebate Income Tax Deduction for Energy-Efficient Products This incentive is available for dishwashers, clothes washers, air conditioners, ceiling fans, compact fluorescent light bulbs, dehumidifiers, programmable thermostats or refrigerators that meet or... http://energy.gov/savings/income-tax-deduction-energy-efficient-products Rebate Kenergy- Commercial and Industrial Rebate Program Kenergy offers commercial and industrial customers rebates for energy-efficient lighting and other energy efficient improvements. Customers can receive rebates of $350 per kilowatt of energy... http://energy.gov/savings/kenergy-commercial-and-industrial-rebate-program Rebate Local Option- Property Tax Exemption for Renewable Energy New Hampshire allows cities and towns to offer an exemption from

442

Grand Marais PUC - Residential Energy Efficiency Rebate Program |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Grand Marais PUC - Residential Energy Efficiency Rebate Program Grand Marais PUC - Residential Energy Efficiency Rebate Program Grand Marais PUC - Residential Energy Efficiency Rebate Program < Back Eligibility Commercial Residential Savings Category Heating & Cooling Commercial Heating & Cooling Cooling Appliances & Electronics Heat Pumps Commercial Lighting Lighting Program Info State Minnesota Program Type Utility Rebate Program Rebate Amount CFLs: $2/bulb or up to 50% of cost LEDs: $10 - $15/bulb Lighting Fixtures: $15 - $20/fixture Refrigerators: $25, plus $50 for recycling an old, working unit Freezers: $25, plus $50 for recycling an old, working unit Dishwashers: $25 Clothes Washers: $50 Dehumidifiers: $65 Room A/C: $25, plus $25 for recycling an old, working unit Central A/C: $100 - $200, plus additional rebate for efficiency ratings

443

Income Tax Deduction for Energy-Efficient Products | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Income Tax Deduction for Energy-Efficient Products Income Tax Deduction for Energy-Efficient Products Income Tax Deduction for Energy-Efficient Products < Back Eligibility Residential Savings Category Heating & Cooling Commercial Heating & Cooling Heating Cooling Appliances & Electronics Heat Pumps Commercial Lighting Lighting Water Heating Maximum Rebate Not to exceed $500 Program Info Start Date 3/23/2007 Expiration Date 07/01/2017 State Virginia Program Type Personal Deduction Rebate Amount 20% of the sales tax paid by an individual Provider Virginia Department of Taxation This incentive is available for dishwashers, clothes washers, air conditioners, ceiling fans, compact fluorescent light bulbs, dehumidifiers, programmable thermostats or refrigerators that meet or exceed federal Energy Star standards. Purchases of fuel cells that generate electricity

444

Eau Claire Energy Cooperative - Non-Residential Energy Efficiency Rebate  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Eau Claire Energy Cooperative - Non-Residential Energy Efficiency Eau Claire Energy Cooperative - Non-Residential Energy Efficiency Rebate Programs Eau Claire Energy Cooperative - Non-Residential Energy Efficiency Rebate Programs < Back Eligibility Agricultural Commercial Industrial Institutional Nonprofit Schools Savings Category Other Heating & Cooling Cooling Commercial Heating & Cooling Appliances & Electronics Heat Pumps Heating Commercial Lighting Lighting Water Heating Maximum Rebate Variable Drives and Compressors: $500 Program Info State Wisconsin Program Type Utility Rebate Program Rebate Amount Clothes washer: $25 Dishwashers: $25 Refrigerators: $25 Room Air Conditioner: $25 Dehumidifier: $25 Refrigerator/Freezer/Room AC Recycling: $25 Central Air Conditioner/Mini Split: $40 - $80/Ton Air Source Heat Pump/Mini-Split Heat Pumps: $150/Ton

445

Anoka Municipal Utility - Residential Energy Efficiency Rebate Program |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Anoka Municipal Utility - Residential Energy Efficiency Rebate Anoka Municipal Utility - Residential Energy Efficiency Rebate Program Anoka Municipal Utility - Residential Energy Efficiency Rebate Program < Back Eligibility Residential Savings Category Heating & Cooling Commercial Heating & Cooling Cooling Appliances & Electronics Commercial Lighting Lighting Maximum Rebate Room Air Conditioner: limit of 2 units per account Lighting: limit of $15 per customer per year Program Info Expiration Date 03/31/2013 State Minnesota Program Type Utility Rebate Program Rebate Amount Ceiling Fan: $25 Clothes Washer: $25 Refrigerator: $50 Freezer: $50 Refrigerator/Freezer Recycling: $25 Freezer: $50 Dishwasher: $25 Dehumidifier: $25 Air Conditioner Tune-Up: $25 Room Air Conditioner: $25/unit Central A/C: $225 - $400, varies by efficiency

446

EIA - Annual Energy Outlook 2008-Impacts of Updating the AEO2008 Reference  

Gasoline and Diesel Fuel Update (EIA)

Impacts of Updating the AEO2008 Reference Case Impacts of Updating the AEO2008 Reference Case Annual Energy Outlook 2008 with Projections to 2030 Impacts of Updating the AEO2008 Reference Case EIA's decision to update the AEO2008 early-release reference case was motivated by the enactment in December 2007 of EISA2007, which contains many provisions that will significantly influence future energy trends. The specific EISA2007 provisions modeled in AEO2008 include updates to the renewable fuel standard (RFS) and the corporate average fuel economy (CAFE) standard for new light-duty vehicles (LDVs); updated and new appliance energy efficiency standards for boilers, dehumidifiers, dish-washers, clothes washers, and commercial walk-in refrigerators and freezers; lighting energy efficiency standards; provisions to reduce energy consumption in Federal buildings; and efficiency standards for in-dustrial electric motors.

447

Barron Electric Cooperative - Energy Star Appliance and Energy Efficient  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Barron Electric Cooperative - Energy Star Appliance and Energy Barron Electric Cooperative - Energy Star Appliance and Energy Efficient Lighting Rebate Program Barron Electric Cooperative - Energy Star Appliance and Energy Efficient Lighting Rebate Program < Back Eligibility Agricultural Commercial Multi-Family Residential Nonprofit Residential Savings Category Heating & Cooling Commercial Heating & Cooling Cooling Appliances & Electronics Heat Pumps Commercial Lighting Lighting Program Info State Wisconsin Program Type Utility Rebate Program Rebate Amount Clothes Washer: $25 Dishwasher: $25 Dehumidifier: $25 Refrigerator: $25 Room A/C: $25 Refrigerator or Freezer Recycling: up to $25 Room A/C Unit Recycling: up to $25 Central A/C: $40 - $80/ton Air-Source Heat Pump: $150/ton Geothermal Heat Pump: $300/ton Commercial A/C: $40/ton

448

Duquesne Light Company - Residential Energy Efficiency Program | Department  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Duquesne Light Company - Residential Energy Efficiency Program Duquesne Light Company - Residential Energy Efficiency Program Duquesne Light Company - Residential Energy Efficiency Program < Back Eligibility Multi-Family Residential Residential Savings Category Home Weatherization Commercial Weatherization Heating & Cooling Commercial Heating & Cooling Cooling Appliances & Electronics Heating Commercial Lighting Lighting Heat Pumps Water Heating Program Info State Pennsylvania Program Type Utility Rebate Program Rebate Amount Energy Star Dehumidifier: $24 Energy Star Freezer: $10 Energy Star Refrigerator: $24 Energy Star Room A/C: $24 Energy Star Dishwasher with Electric Water Heater: $24 Energy Star Clothes Washer - (Electric Water Heating Only): $24 Electric Clothes Dryer with Moisture Sensor: $24 Swimming Pool Pump, Two-Speed or Variable Speed: $57

449

Reduction of iron-oxide-carbon composites: part II. Rates of reduction of composite pellets in a rotary hearth furnace simulator  

SciTech Connect

A new ironmaking concept is being proposed that involves the combination of a rotary hearth furnace (RHF) with an iron-bath smelter. The RHF makes use of iron-oxide-carbon composite pellets as the charge material and the final product is direct-reduced iron (DRI) in the solid or molten state. This part of the research includes the development of a reactor that simulated the heat transfer in an RHF. The external heat-transport and high heating rates were simulated by means of infrared (IR) emitting lamps. The reaction rates were measured by analyzing the off-gas and computing both the amount of CO and CO{sub 2} generated and the degree of reduction. The reduction times were found to be comparable to the residence times observed in industrial RHFs. Both artificial ferric oxide (PAH) and naturally occurring hematite and taconite ores were used as the sources of iron oxide. Coal char and devolatilized wood charcoal were the reductants. Wood charcoal appeared to be a faster reductant than coal char. However, in the PAH-containing pellets, the reverse was found to be true because of heat-transfer limitations. For the same type of reductant, hematite-containing pellets were observed to reduce faster than taconite-containing pellets because of the development of internal porosity due to cracking and fissure formation during the Fe2O{sub 3}-to-Fe3O{sub 4} transition. This is, however, absent during the reduction of taconite, which is primarily Fe3O{sub 4}. The PAH-wood-charcoal pellets were found to undergo a significant amount of swelling at low-temperature conditions, which impeded the external heat transport to the lower layers. If the average degree of reduction targeted in an RHF is reduced from 95 to approximately 70 pct by coupling the RHF with a bath smelter, the productivity of the RHF can be enhanced 1.5 to 2 times. The use of a two- or three-layer bed was found to be superior to that of a single layer, for higher productivities.

Halder, S.; Fruehan, R.J. [Praxair Inc., Tonawanda, NY (United States). Praxair Technological Center

2008-12-15T23:59:59.000Z

450

Energy Efficiency in Casthouse Furnaces  

Science Conference Proceedings (OSTI)

Abstract Scope, More than ever, the high cost of fuels and the need to reduce ... Before implementing any project for reducing energy consumption, there is a...

451

Energy Efficiency and Furnace Technologies  

Science Conference Proceedings (OSTI)

Study on the Combustion Characteristics and Kinetics of Blending Coal: Xing Xiangdong1; Jianliang ZHANG1; Shan Ren1; Xingle Liu1; Zhenyang Wang1;...

452

Energy Basics: Furnaces and Boilers  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

a vessel or tank where heat produced from the combustion of such fuels as natural gas, fuel oil, or coal is used to generate hot water or steam. Many buildings have their own...

453

Glass Furnace Model (GFM) - ANL  

R&D 100 Award by R&D Magazine as one of the most technologically significant new ... to generate the best results. ... degree in computer science to use the ...

454

Amazing furnace-free house  

Science Conference Proceedings (OSTI)

A new 24,450 ft/sub 2/ house is described which has the following features: (1) 100% solar heating in a 6500 degree-day climate; (2) a greenhouse which never drops below 32/sup 0/F; (3) steady fresh air inflow; (4) building costs comparable to conventional homes of the same size; (5) roof solar collector and high temperature attic thermal storage; (6) a Solar Staircase which controls seasonal insolation; (7) a rock bin (100 ton) for low temperature storage; and (8) durability with low maintenance. The design features necessary to obtain the above criteria are discussed as well as the operation of the house for winter and summer use. An air moving system (fan plus ducts) is an essential part of the house. (MJJ)

Shurcliff, W.A.

1982-11-01T23:59:59.000Z

455

SPATIAL DATA ON ENERGY, ENVIRONMENTAL, SOCIOECONOMIC, HEALTH AND DEMOGRAPHIC THEMES AT LAWRENCE BERKELEY LABORATORY: 1978 INVENTORY  

E-Print Network (OSTI)

washer and dryer, dishwasher, home freezer, television sets,washer and dryer, dishwasher, home freezer, television sets,washer and dryer, dishwasher, home freezer, television sets,

Burkhart Ed., B.R.

2012-01-01T23:59:59.000Z

456

Energy and Economic Impacts of U.S. Federal Energy and Water Conservation Standards Adopted From 1987 Through 2011  

E-Print Network (OSTI)

Dryers NAECA 1987 Dishwashers + NAECA 1987 Refrigerators andstudy vary in how b Dishwashers, residential boilers andon clothes washers and dishwashers). g The annual savings of

Meyers, Stephen

2013-01-01T23:59:59.000Z

457

Standby power use: How big is the problem? What policies and technical solutions can address it?  

E-Print Network (OSTI)

as clothes washers, dishwashers, and room air conditioners.clothes washers, dishwashers, microwaves, ceiling fans withthe end of 2003. The dishwasher test procedure has already

2002-01-01T23:59:59.000Z

458

Hot Water Draw Patterns in Single-Family Houses: Findings from Field Studies  

E-Print Network (OSTI)

water also is used by dishwashers and clothes washers. Hotand water efficient dishwashers and clothes washers. Thepeople clotheswasher dishwasher showers city state bathubs

Lutz, Jim

2012-01-01T23:59:59.000Z

459

Effects of the drought on California electricity supply and demand  

E-Print Network (OSTI)

appliances such as dishwashers I and washing machines, forenergy savings are: and dishwashers with full loads and onfor washing machines and dishwashers, and reducing water

Benenson, P.

2010-01-01T23:59:59.000Z

460

Calendar Year 2007 Program Benefits for ENERGY STAR Labeled Products  

E-Print Network (OSTI)

for clothes washers and dishwashers are derived from PG&Efans CFLs Commercial dishwasher Commercial fryers Commercialwashers Residential dishwashers Residential light fixtures

Sanchez, Marla Christine

2008-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "dehumidifiers dishwasher furnaces" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


461

Saving Water Saves Energy  

E-Print Network (OSTI)

Test Procedure for Dishwashers, Federal Register, Vol. 68,e.g. , ,clothes washers or dishwashers that use less totalhes Washers Toilet s Dishwashers Figure 2a. Household Water

McMahon, James E.; Whitehead, Camilla Dunham; Biermayer, Peter

2006-01-01T23:59:59.000Z

462

Calendar Year 2009 Program Benefits for ENERGY STAR Labeled Products  

E-Print Network (OSTI)

for clothes washers and dishwashers are derived from PG&Efans CFL Commercial dishwasher Commercial fryers Commercialwashers Residential dishwashers Residential light fixtures

Homan, Gregory K

2011-01-01T23:59:59.000Z

463

2006 Status Report Savings Estimates for the ENERGY STAR(R) Voluntary Labeling Program  

E-Print Network (OSTI)

Telephony.. 2002 Dishwashers 1996 a Hotfor clothes washers and dishwashers are derived from PG&Eclothes washers, dishwashers, room air conditioners (RACs),

Webber, Carrie A.; Brown, Richard E.; Sanchez, Marla; Homan, Gregory K.

2006-01-01T23:59:59.000Z

464

Producing Precarity: The Temporary Staffing Agency in the Labor Market  

E-Print Network (OSTI)

baristas and armies of dishwashers/utility workers. Thehouse work alongside dishwashers, but the former are amonglabor. Similarly, while dishwashers tend to make up the

Elcioglu, Emine Fidan

2010-01-01T23:59:59.000Z

465

Residential Sector End-Use Forecasting with EPRI-REEPS 2.1: Summary Input Assumptions and Results  

E-Print Network (OSTI)

heaters, clothes washers, dishwashers, lighting, cooking,Refrigerators Water Heaters Dishwashers Clothes Washersof its useful life. For dishwashers, clothes washers, and

Koomey, Jonathan G.

2010-01-01T23:59:59.000Z

466

Immigration, Health & Work: The Facts Behind the Myths  

E-Print Network (OSTI)

machine workers, and dishwashers. Other gender drivenAmerican middle-class, as dishwashers, cooks, and gardeners,occupations (such as dishwashers and cooks) (Figure 13).

Wallace, Steven P.; Castaeda, Xchitl; Guendelman, Sylvia; Padilla-Frausto, Imelda; Felt, Emily

2008-01-01T23:59:59.000Z

467

Bottom-Up Energy Analysis System - Methodology and Results  

E-Print Network (OSTI)

2 TSL 2 TSL 2 Group End Use Dishwashers Motors Motors Motorsrequirements for household dishwashers. 2010. EC, ENER LotHeating Equipment Dishwashers Distribution Transformers

McNeil, Michael A.