Powered by Deep Web Technologies
Note: This page contains sample records for the topic "furnace recuperator energy" 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.


1

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

2

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.

3

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

4

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

5

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))"

6

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.

7

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 ...

8

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

9

Recuperator assembly and procedures  

DOE Patents (OSTI)

A construction of recuperator core segments is provided which insures proper assembly of the components of the recuperator core segment, and of a plurality of recuperator core segments. Each recuperator core segment must be constructed so as to prevent nesting of fin folds of the adjacent heat exchanger foils of the recuperator core segment. A plurality of recuperator core segments must be assembled together so as to prevent nesting of adjacent fin folds of adjacent recuperator core segments.

Kang, Yungmo (La Canada Flintridge, CA); McKeirnan, Jr., Robert D. (Westlake Village, CA)

2008-08-26T23:59:59.000Z

10

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...

11

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 ...

12

Protecting Your Precious Recuperators in High Temperature Processes  

E-Print Network (OSTI)

Recuperators are very useful heat exchangers that recover waste heat from products of combustion (poc) in a furnace stack and give them back to the heating operation in the form of preheated combustion air for the burners. Since part of the chemical energy in our purchased fuel must first be used to raise the air and fuel to flame temperature, the use of preheated air leaves more heat for transfer to the furnace load, or permits reduction of overall fuel consumption. Also, this heat-recycling affords a good relationship, time-wise, between the need for input and the availability of hot flue gases for air preheating. Unlike the heat exchange surface of waste heat boilers, however, recuperators re gas-to-gas heat exchangers that can overheat and develop hot spots because the only coolant to protect the heat exchanger material is the air being heated. Air is a good insulator and therefore a poor coolant; whereas the heat exchange surface of a waste heat boiler is backed by a good coolant-water-with a high latent heat, making it very forgiving. The flow of air coolant through a recuperator diminishes as the burner input is turned down to lower firing rates. But, the furnace temperature, and therefore the flue gas temperature, stays at about the same level. Although the flow of hot poc is reduced, the net effect is that heat exchange surface temperature rises, often above the limit of its materials. This is only one of several ways in which over-enthusiastic engineers have been 'burned' by recuperator failures.

Reed, R. J.

1983-01-01T23:59:59.000Z

13

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 ...

14

Exergy analysis of the Chartherm process for energy valorization and material recuperation of chromated copper arsenate (CCA) treated wood waste  

Science Conference Proceedings (OSTI)

The Chartherm process (Thermya, Bordeaux, France) is a thermochemical conversion process to treat chromated copper arsenate (CCA) impregnated wood waste. The process aims at maximum energy valorization and material recuperation by combining the principles of low-temperature slow pyrolysis and distillation in a smart way. The main objective of the exergy analysis presented in this paper is to find the critical points in the Chartherm process where it is necessary to apply some measures in order to reduce exergy consumption and to make energy use more economic and efficient. It is found that the process efficiency can be increased with 2.3-4.2% by using the heat lost by the reactor, implementing a combined heat and power (CHP) system, or recuperating the waste heat from the exhaust gases to preheat the product gas. Furthermore, a comparison between the exergetic performances of a 'chartherisation' reactor and an idealized gasification reactor shows that both reactors destroy about the same amount of exergy (i.e. 3500 kW kg{sub wood}{sup -1}) during thermochemical conversion of CCA-treated wood. However, the Chartherm process possesses additional capabilities with respect to arsenic and tar treatment, as well as the extra benefit of recuperating materials.

Bosmans, A., E-mail: anouk.bosmans@mech.kuleuven.be [Department of Mechanical Engineering, Katholieke Universiteit Leuven, Celestijnenlaan 300A, 3001 Heverlee (Belgium); Auweele, M. Vanden; Govaerts, J.; Helsen, L. [Department of Mechanical Engineering, Katholieke Universiteit Leuven, Celestijnenlaan 300A, 3001 Heverlee (Belgium)

2011-04-15T23:59:59.000Z

15

Ceramic Cross Flow Recuperator Design Parameters  

E-Print Network (OSTI)

GTE Products Corporation has developed a compact ceramic cross flow recuperator for high temperature industrial heat recovery applications. They recently completed a jointly funded project with the DOE, (Contract #EX-76-C-0 1-2162) to demonstrate the performance of the ceramic recuperator in various industrial furnaces. The ceramic cross flow recuperator core has multiple rectangular flow passages (perpendicular to each other) for the air and gas. Various flow passages are available contingent upon requirements of the particular application. In selecting and sizing a matrix for a given application, one may design a recuperator on the basis of a minimum for one or more of the following parameters; frontal area, length, volume, weight, pressure drop and cost. This paper discusses how the designer can select an optimum design from the various heat exchanger surfaces available and then predict the performance of a recuperator in any given application. The results of wind tunnel tests utilizing a single blow technique, determining a heat transfer parameter, the Colburn factor (j), and a flow friction parameter, Fanning Friction factor (f) are presented and discussed. Methods that illustrate how the (j) and (f) data can be used to compare the relative merits of two or more heat exchanger surface are presented. A typical furnace recuperation example is presented and calculations are detailed to illustrate the design procedures.

Gonzalez, J. M.; Rebello, W. J.

1981-01-01T23:59:59.000Z

16

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  ...

17

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 ...

18

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 ...

19

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 ...

20

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

Note: This page contains sample records for the topic "furnace recuperator energy" 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

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

22

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.

23

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.

24

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.

25

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

26

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

27

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

28

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...

29

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

30

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...

31

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

32

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

33

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

34

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

35

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

36

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

37

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

38

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

39

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

40

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

Note: This page contains sample records for the topic "furnace recuperator energy" 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

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 ...

42

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,

43

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.

44

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

45

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

46

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

47

Design and Evaluation of a High Temperature Burner Duct Recuperator System  

E-Print Network (OSTI)

"The Babcock & Wilcox Company (B&W) has completed a program to design, construct, install, and field test a ceramic-based high-temperature burner-duct-recuperator (HTBDR) in an industrial setting. The unit was capable of operating in corrosive, high temperature (2250oF) flue gas streams. The HTBDR was successfully tested in a steel soaking pit at B&W's Tubular Products Division in Koppel, Pennsylvania. The ceramic stage consisted of 50 bayonet style ceramic tube-in-tube assemblies supported by an insulated metallic tubesheet and sealed with a ceramic fiber product. The heat exchanger was designed to take maximum advantage of radiation heat transfer, minimize pressure drops on both the air and flue sides, and minimize thermal stresses and fouling. Modeling of the bayonet assemblies determined the outer-to-inner tube spacing to optimize the air-side pressure drop and heat transfer within the tubes. During the 1400 hour operation prior to plant closing, the ceramic stage performed well with no material related problems or air-to-flue leakage. Maximum preheat air produced was 1425°F with a flue gas temperature of 2250oF. Measured fuel savings of 17-24% were obtained over the previous recuperated (metallic heat exchanger) system. This projects a savings of 41% for an unrecuperated furnace. A simple payback analysis indicated acceptable payback for installation in unrecuperated furnaces but unacceptable payback for recuperated furnaces at today's low gas prices."

Parks, W. P.; DeBellis, C. L.; Kneidel, K.

1988-09-01T23:59:59.000Z

48

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

49

Implementation of a Global Casthouse Furnace Energy Efficiency ...  

Science Conference Proceedings (OSTI)

During the same time, climate change awareness has become more and more a concern for our society with the result that energy efficiency is now an ...

50

Cavity based furnace for wafer screening - Energy Innovation Portal  

Vehicles and Fuels; Wind Energy; Partners (27) Visual Patent ... manufacturers in the highly competitive solar manufacturing industry have placed a greater focus on ...

51

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

52

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.

53

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

54

CX-006093: Categorical Exclusion Determination | Department of Energy  

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

93: Categorical Exclusion Determination 93: Categorical Exclusion Determination CX-006093: Categorical Exclusion Determination Missouri Independent Energy Efficiency Program: Onesteel Grinding Systems - Steel Reheat Furnace Recuperator Energy Efficiency Retrofit CX(s) Applied: B3.6, B5.1 Date: 06/17/2011 Location(s): Kansas City, Missouri Office(s): Energy Efficiency and Renewable Energy, Golden Field Office Missouri Department of Natural Resources, Division of Energy's sub recipient, Onesteel Gridding Systems, proposes to use State Energy Program funding to retrofit the Steel reheat furnace recuperator located at 8116 Wilson Road, Kansas City, Missouri. DOCUMENT(S) AVAILABLE FOR DOWNLOAD CX-006093.pdf More Documents & Publications CX-006084: Categorical Exclusion Determination CX-006090: Categorical Exclusion Determination

55

Gas Turbine Recuperators: Benefits and Status  

Science Conference Proceedings (OSTI)

Distributed resources (DR) are projected to be an expanding part of the power generation mix in the future -- with conventional industrial and aeroderivative gas turbines as well as emerging microturbine products playing an important role. This report assesses the role of recuperators in improving the power generation efficiency of simple-cycle gas turbines and microturbines.

2000-01-19T23:59:59.000Z

56

A Cross-Flow Ceramic Heat Recuperator for Industrial Heat Recovery  

E-Print Network (OSTI)

With increasing fuel costs, the efficient use of fuel is very important to the U.S. process heat industries. Increase in fuel usage efficiency can be obtained by transferring the waste exhaust heat to the cold combustion air. The metallic recuperators currently available suffer from problems of creep, corrosion and oxidation, particularly at high temperatures. The Department of Energy and GTE Products corporation have pursued a jointly funded venture, Contract No. EX-76-C-Q1-2162, to establish performance criteria and demonstrate a cross-flow ceramic heat recuperator for high temperature industrial heat recovery applications. The immediate goals of the ceramic recuperator project were to demonstrate a heat exchanger capable of handling high temperatures (1600-2400oF), that is compact with a high surface area and with costs comparable to the lower temperature metal heat exchangers. This paper describes the basic GTE Products Corporation design and details the design basis, the predicted recuperator performance, the ceramic and housing materials, the recuperator design procedure and the fabrication and assembly. The data provided includes NTU-Effectiveness and low friction and heat transfer ("f" and "J") plots.

Gonzalez, J. M.; Cleveland, J. J.; Kohnken, K. H.; Rebello, W. J.

1980-01-01T23:59:59.000Z

57

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

58

Fabrication of Lamellar Ceramic Recuperator Using a Fugitive ...  

Science Conference Proceedings (OSTI)

... of this study is to demonstrate a CERAMIC recuperator based on toughened mullite, which is a key component of a high efficiency, all-ceramic micro-turbine.

59

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

60

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

Note: This page contains sample records for the topic "furnace recuperator energy" 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

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

62

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

63

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

64

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...

65

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

66

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,...

67

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)

68

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

69

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

E-Print Network (OSTI)

ENERGY CONSUMPTION . . . . . . . . . . . . . . . . . . . . . . . . . .28 ENERGY CONSUMPTIONENERGY CONSUMPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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

2004-01-01T23:59:59.000Z

70

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

71

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

E-Print Network (OSTI)

Energy Prices . . . . . . . . . . . . . . . . . . . . . . . . . . . . .AND PAYBACK PERIOD RESULTS USING ALTERNATIVE ENERGY PRICEUSING ALTERNATIVE ENERGY PRICE SCENARIOS C.1 INTRODUCTION

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

2004-01-01T23:59:59.000Z

72

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

E-Print Network (OSTI)

additional first cost of energy efficiency design optionsS. Meyers, Cost and Energy Consumption of Energy Efficiencyadditional first cost of energy efficiency design options

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

2004-01-01T23:59:59.000Z

73

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

74

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

E-Print Network (OSTI)

AND PAYBACK PERIOD RESULTS USING ALTERNATIVE ENERGY PRICEPERIOD RESULTS USING ALTERNATIVE ENERGY PRICE SCENARIOS C.1and payback results using alternative energy price scenarios

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

2004-01-01T23:59:59.000Z

75

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

76

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

77

Development and Performance Testing of a New Ceramic Recuperator  

E-Print Network (OSTI)

Metal heat exchangers have been used in industrial heat recovery applications for many years. Ceramic heat exchangers are relatively new, but are gaining acceptance as more field experience becomes available. The advantage of the ceramic units over metal units is the higher temperature capabilities of the ceramic which eliminate the need for costly over-temperature controls and dilution air systems. The problems encountered with ceramic heat exchangers to date have been variable leakage and lack of durability. These problems are associated with the high thermal stresses in the compact designs and with the seals required to connect the ceramic to the metal ductwork. Coors Porcelain Company has been engaged in the development of ceramic heat exchangers for heat engine and industrial applications for several years. Durability problems were encountered from thermal stresses in these applications with recuperators made from conventional ceramics. This resulted in development' of a new ceramic mixed oxide material specifically for heat exchangers. Changes in geometry of the ceramic matrices were also made to further reduce the stresses in order to increase product durability. A housing was designed and a ceramic gasket was selected to minimize the chances of significant leakage from the seal area of the recuperator. The performance of different recuperator designs and the durability results attained to date will be presented as well as results on field testing.

Kleiner, R. N.

1985-05-01T23:59:59.000Z

78

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

79

Page not found | Department of Energy  

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

31 - 6140 of 31,917 results. 31 - 6140 of 31,917 results. Download CX-006093: Categorical Exclusion Determination Missouri Independent Energy Efficiency Program: Onesteel Grinding Systems - Steel Reheat Furnace Recuperator Energy Efficiency Retrofit CX(s) Applied: B3.6, B5.1 Date: 06/17/2011 Location(s): Kansas City, Missouri Office(s): Energy Efficiency and Renewable Energy, Golden Field Office http://energy.gov/nepa/downloads/cx-006093-categorical-exclusion-determination Download CX-006161: Categorical Exclusion Determination Application of 2D Vertical Seismic Profile Imaging to the Targeting of Exploration and Development CX(s) Applied: B3.1, B5.12 Date: 06/17/2011 Location(s): Pershing County, Nevada Office(s): Energy Efficiency and Renewable Energy, Golden Field Office http://energy.gov/nepa/downloads/cx-006161-categorical-exclusion-determination

80

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.

Note: This page contains sample records for the topic "furnace recuperator energy" 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

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...

82

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 ...

83

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 ...

84

Cooperative Research and Development of Primary Surface Recuperator for Advanced Microturbine Systems  

SciTech Connect

Recuperators have been identified as key components of advanced gas turbines systems that achieve a measure of improvement in operating efficiency and lead the field in achieving very low emissions. Every gas turbine manufacturer that is studying, developing, or commercializing advanced recuperated gas turbine cycles requests that recuperators operate at higher temperature without a reduction in design life and must cost less. The Solar Cooperative Research and Development of Primary Surface Recuperator for Advanced Microturbine Systems Program is directed towards meeting the future requirements of advanced gas turbine systems by the following: (1) The development of advanced alloys that will allow recuperator inlet exhaust gas temperatures to increase without significant cost increase. (2) Further characterization of the creep and oxidation (dry and humid air) properties of nickel alloy foils (less than 0.13 mm thick) to allow the economical use of these materials. (3) Increasing the use of advanced robotic systems and advanced in-process statistical measurement systems.

Escola, George

2007-01-17T23:59:59.000Z

85

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

86

Categorical Exclusion (CX) Determinations By Date | Department of Energy  

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

17, 2011 17, 2011 CX-006093: Categorical Exclusion Determination Missouri Independent Energy Efficiency Program: Onesteel Grinding Systems - Steel Reheat Furnace Recuperator Energy Efficiency Retrofit CX(s) Applied: B3.6, B5.1 Date: 06/17/2011 Location(s): Kansas City, Missouri Office(s): Energy Efficiency and Renewable Energy, Golden Field Office June 17, 2011 CX-006090: Categorical Exclusion Determination Missouri Independent Energy Efficiency Program: Mississippi Lime - Variable Frequency Drive and Fan Upgrade at Peerless Plant CX(s) Applied: B3.6, B5.1 Date: 06/17/2011 Location(s): St. Genevieve, Missouri Office(s): Energy Efficiency and Renewable Energy, Golden Field Office June 17, 2011 CX-006086: Categorical Exclusion Determination Missouri Independent Energy Efficiency Program: Elantas PDG Inc. -

87

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

88

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 ...

89

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

90

Effective Transfer of Industrial Energy Conservation Technologies  

E-Print Network (OSTI)

Voluntary participation in industrial energy conservation programs resulted in savings of approximately 1 million barrels of oil equivalent per day in the U.S. during 1981. These energy savings accrued largely from the development, introduction, and acceptance by industry of new energy conserving technologies. These new technologies were developed through cost sharing programs between the Department of Energy and private industry. These joint efforts reduced the risk to industry, thus making them willing to accept and use these new technologies at an accelerated rate. Examples of several technologies that were used by industry at an accelerated rate are described in this paper. These technologies are; textile foam finishing and dyeing, forging furnace modifications, and high efficiency metallic recuperators.

Clement, M.; Vallario, R. W.

1983-01-01T23:59:59.000Z

91

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 ...

92

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.

93

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...

94

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

95

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 PISCO£¨Panzhihua Iron & Steel Co.£©was discussed£®Comparedwith the traditional combustion technology£¬the ... Keywords: Regenerative Style, Combustion Technology, Reheating Furnace, Energy Conservation

Chen Yong; Pan Hong; Xue Nianfu

2011-02-01T23:59:59.000Z

96

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

97

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 3000°F 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 Btu’s 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

98

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

99

[Advanced Turbine Systems Program: Conceptual design and product development]. Task 8.7, Recuperator materials  

Science Conference Proceedings (OSTI)

Solar`s Primary Surface Recuperator (PSR) is a compact, high thermal effectiveness heat exchanger for reducing fuel consumption and increasing the thermal efficiency of gas turbine engines. (Recuperation extracts waste heat from the turbine exhaust stream to heat the compressor discharge air before entry into the combustion system.) Solar`s PSR is comprised of thin, folded, corrugated sheets of a stainless steel (eg type 347) in modular units (air cells). Since sheet data are not applicable to thin foils, effort was focused on acquiring creep, tensile, and oxidation data for a variety of stainless and alloy materials. A new thin foil material was created from two separate materials welded together at gage; the advanced alloy would be used only in the hottest sections of the recuperator and the stainless would be used elsewhere to keep the cost down.

NONE

1996-01-01T23:59:59.000Z

100

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

Note: This page contains sample records for the topic "furnace recuperator energy" 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

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

102

Low Temperature Combustion with Thermo-Chemical Recuperation to Maximize In-Use Engine Efficiency  

SciTech Connect

The key to overcome Low Temperature Combustion (LTC) load range limitations in reciprocating engines is based on proper control over the thermo-chemical properties of the in-cylinder charge. The studied alternative to achieve the required control of LTC is the use of two separate fuel streams to regulate timing and heat release at specific operational points, where the secondary fuel is a reformed product of the primary fuel in the tank. It is proposed in this report that the secondary fuel can be produced using exhaust heat and Thermo-Chemical Recuperation (TCR). TCR for reciprocating engines is a system that employs high efficiency recovery of sensible heat from engine exhaust gas and uses this energy to transform fuel composition. The recuperated sensible heat is returned to the engine as chemical energy. Chemical conversions are accomplished through catalytic and endothermic reactions in a specially designed reforming reactor. An equilibrium model developed by Gas Technology Institute (GTI) for heptane steam reforming was applied to estimate reformed fuel composition at different reforming temperatures. Laboratory results, at a steam/heptane mole ratio less than 2:1, confirm that low temperature reforming reactions, in the range of 550 K to 650 K, can produce 10-30% hydrogen (by volume, wet) in the product stream. Also, the effect of trading low mean effective pressure for displacement to achieve power output and energy efficiency has been explored by WVU. A zerodimensional model of LTC using heptane as fuel and a diesel Compression Ignition (CI) combustion model were employed to estimate pressure, temperature and total heat release as inputs for a mechanical and thermal loss model. The model results show that the total cooling burden on an LTC engine with lower power density and higher displacement was 14.3% lower than the diesel engine for the same amount of energy addition in the case of high load (43.57mg fuel/cycle). These preliminary modeling and experimental results suggest that the LTC-TCR combination may offer a high efficiency solution to engine operation. A single zone model using a detailed chemical kinetic mechanism was implemented in CHEMKIN and to study the effects of base fuel and steam-fuel reforming products on the ignition timing and heat release characteristics. The study was performed considering the reformed fuel species composition for total n-heptane conversion (ideal case) and also at the composition corresponding to a specific set of operational reforming temperatures (real case). The computational model confirmed that the reformed products have a strong influence on the low temperature heat release (LTHR) region, affecting the onset of the high temperature heat release (HTHR). The ignition timing was proportionally delayed with respect to the baseline fuel case when higher concentrations of reformed gas were used. For stoichiometric concentration of RG, it was found that by increasing the proportion of reformed fuel to total fuel (RG), from 0% to 30%, the amount of energy released during the LTHR regime, or HR{sub L}, was reduced by 48% and the ignition timing was delayed 10.4 CA degrees with respect to the baseline fuel case. For RG composition corresponding to certain operational reforming temperatures, it was found that the most significant effects on the HCCI combustion, regarding HR{sub L} reduction and CA50 delay, was obtained by RG produced at a reforming temperature range of 675 K-725 K.

Nigel N. Clark; Francisco Posada; Clinton Bedick; John Pratapas; Aleksandr Kozlov; Martin Linck; Dmitri Boulanov

2009-03-30T23:59:59.000Z

103

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 ...

104

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

105

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

106

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

107

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

108

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

109

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

110

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

111

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

112

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

113

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

114

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; ...

115

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...

116

Energy Efficiency Improvement and Cost Saving Opportunities for the Glass Industry. An ENERGY STAR Guide for Energy and Plant Managers  

E-Print Network (OSTI)

control NO x and energy use for regenerative glass furnaces.14.4% less energy than regenerative end-fired furnaces (see regenerative furnaces) (GTI The Energy Efficiency Best

Worrell, Ernst

2008-01-01T23:59:59.000Z

117

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

118

Technical support document: Energy efficiency standards for consumer products: Room air conditioners, water heaters, direct heating equipment, mobile home furnaces, kitchen ranges and ovens, pool heaters, fluorescent lamp ballasts and television sets. Volume 1, Methodology  

SciTech Connect

The Energy Policy and Conservation Act (P.L. 94-163), as amended, 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. DOE is currently considering amending standards for seven types of products: water heaters, direct heating equipment, mobile home furnaces, pool heaters, room air conditioners, kitchen ranges and ovens (including microwave ovens), and fluorescent light ballasts and is considering establishing standards for television sets. This Technical Support Document presents the methodology, data, and results from the analysis of the energy and economic impacts of the proposed standards. This volume presents a general description of the analytic approach, including the structure of the major models.

Not Available

1993-11-01T23:59:59.000Z

119

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

120

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 "furnace recuperator energy" 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

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

122

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

123

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

124

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

125

DESIGN OF A COMPACT HEAT EXCHANGER FOR HEAT RECUPERATION FROM A HIGH TEMPERATURE ELECTROLYSIS SYSTEM  

Science Conference Proceedings (OSTI)

Design details of a compact heat exchanger and supporting hardware for heat recuperation in a high-temperature electrolysis application are presented. The recuperative heat exchanger uses a vacuum-brazed plate-fin design and operates between 300 and 800°C. It includes corrugated inserts for enhancement of heat transfer coefficients and extended heat transfer surface area. Two recuperative heat exchangers are required per each four-stack electrolysis module. The heat exchangers are mated to a base manifold unit that distributes the inlet and outlet flows to and from the four electrolysis stacks. Results of heat exchanger design calculations and assembly details are also presented.

G. K. Housley; J.E. O'Brien; G.L. Hawkes

2008-11-01T23:59:59.000Z

126

Consumers Energy (Gas) - Residential Energy Efficiency Program...  

Open Energy Info (EERE)

Equipment Insulation, Furnaces, Programmable Thermostats, Appliance Recycling, Pipe Wrap Active Incentive Yes Implementing Sector Utility Energy Category Energy...

127

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

128

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 ...

129

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

130

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.

131

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

132

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

133

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...

134

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

135

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

136

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

137

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

138

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 ...

139

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

140

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

Note: This page contains sample records for the topic "furnace recuperator energy" 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

Advanced turbine systems program conceptual design and product development: Task 8.1, Low-pressure drop recuperator  

DOE Green Energy (OSTI)

Purpose of the ATS program is to develop a new baseline for industrial gas turbine systems for the 21st century. A recuperated gas turbine cycle was selected; the eventual engine that result will utilize Solar`s Primary Surface Recuperator (PSR) technology. Besides higher thermal efficiency, other goals included lower emission, cost of power, and improved RAMD (reliability, availability, maintainability). Performance data have been obtained for the candidate heat transfer surface, and on a scaled rig. Pretest predictions of air-side and gas-side pressure drop were in very good agreement with tests results; predicted effectiveness also agreed well with experiment. A flattened tube test to determine changes of the PSR heat transfer surface profile after exposure is underway.

NONE

1995-09-01T23:59:59.000Z

142

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

143

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

144

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

145

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

146

The furnace in the basement: Part 1, The early days of the Hot Dry Rock Geothermal Energy Program, 1970--1973  

DOE Green Energy (OSTI)

This report presents the descriptions of the background information and formation of the Los Alamos Scientific Laboratory Geothermal Energy Group. It discusses the organizational, financial, political, public-relations,geologic, hydrologic, physical, and mechanical problems encountered by the group during the period 1970--1973. It reports the failures as well as the successes of this essential first stage in the development of hot dry rock geothermal energy systems.

Smith, M.C.

1995-09-01T23:59:59.000Z

147

Multi-ported, internally recuperated burners for direct flame impingement heating applications  

DOE Patents (OSTI)

A direct flame impingement method and apparatus employing at least one multi-ported, internally recuperated burner. The burner includes an innermost coaxial conduit having a first fluid inlet end and a first fluid outlet end, an outermost coaxial conduit disposed around the innermost coaxial conduit and having a combustion products outlet end proximate the first fluid inlet end of the innermost coaxial conduit and a combustion products inlet end proximate the first fluid outlet end of the innermost coaxial conduit, and a coaxial intermediate conduit disposed between the innermost coaxial conduit and the outermost coaxial conduit, whereby a second fluid annular region is formed between the innermost coaxial conduit and the intermediate coaxial conduit and a combustion products annular region is formed between the intermediate coaxial conduit and the outermost coaxial conduit. The intermediate coaxial conduit has a second fluid inlet end proximate the first fluid inlet end of the innermost coaxial conduit and a second fluid outlet end proximate the combustion products inlet end of the outermost coaxial conduit.

Abbasi, Hamid A. (Naperville, IL); Kurek, Harry (Dyer, IN); Chudnovsky, Yaroslav (Skokie, IL); Lisienko, Vladimir G. (Ekaterinburg, RU); Malikov, German K. (Ekaterinburg, RU)

2010-08-03T23:59:59.000Z

148

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,

149

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

150

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.

151

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

152

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

153

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

154

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 ...

155

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 ArcelorMittal’s 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

156

Furnaces and Boilers | Department of Energy  

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

pilot light) Compact size and lighter weight to reduce cycling losses Small-diameter flue pipe 80% to 83% AFUE. High-efficiency heating systems: Condensing flue gases in a second...

157

Specific Energy Consumption in Anode Bake Furnaces  

Science Conference Proceedings (OSTI)

About this Abstract. Meeting, 2010 TMS Annual Meeting & Exhibition. Symposium , Electrode Technology for Aluminum Production. Presentation Title, Specific ...

158

Furnace and Boiler Basics | Department of Energy  

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

preparation, and industrial processes. In homes with boilers, steam is distributed via pipes to steam radiators, and hot water can be distributed via baseboard radiators or...

159

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

160

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

Note: This page contains sample records for the topic "furnace recuperator energy" 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

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

162

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

163

Advanced natural gas-fired turbine system utilizing thermochemical recuperation and/or partial oxidation for electricity generation, greenfield and repowering applications  

SciTech Connect

The performance, economics and technical feasibility of heavy duty combustion turbine power systems incorporating two advanced power generation schemes have been estimated to assess the potential merits of these advanced technologies. The advanced technologies considered were: Thermochemical Recuperation (TCR), and Partial Oxidation (PO). The performance and economics of these advanced cycles are compared to conventional combustion turbine Simple-Cycles and Combined-Cycles. The objectives of the Westinghouse evaluation were to: (1) simulate TCR and PO power plant cycles, (2) evaluate TCR and PO cycle options and assess their performance potential and cost potential compared to conventional technologies, (3) identify the required modifications to the combustion turbine and the conventional power cycle components to utilize the TCR and PO technologies, (4) assess the technical feasibility of the TCR and PO cycles, (5) identify what development activities are required to bring the TCR and PO technologies to commercial readiness. Both advanced technologies involve the preprocessing of the turbine fuel to generate a low-thermal-value fuel gas, and neither technology requires advances in basic turbine technologies (e.g., combustion, airfoil materials, airfoil cooling). In TCR, the turbine fuel is reformed to a hydrogen-rich fuel gas by catalytic contact with steam, or with flue gas (steam and carbon dioxide), and the turbine exhaust gas provides the indirect energy required to conduct the endothermic reforming reactions. This reforming process improves the recuperative energy recovery of the cycle, and the delivery of the low-thermal-value fuel gas to the combustors potentially reduces the NO{sub x} emission and increases the combustor stability.

1997-03-01T23:59:59.000Z

164

Arkansas | Department of Energy  

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

Prescriptive program offers rebates for the installation of energy efficient furnaces, boilers, water heaters, and cooking equipment. July 12, 2013 CenterPoint Energy - Residential...

165

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

166

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

167

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

168

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 -...

169

Consumption & Efficiency - U.S. Energy Information ...  

U.S. Energy Information Administration (EIA)

Energy use in homes, commercial buildings, manufacturing, and transportation. ... Gas furnace efficiency has large implications for residential ...

170

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

171

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

172

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

173

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

174

Energy efficiency of alternative coke-free metallurgical technologies  

SciTech Connect

Energy analysis is undertaken for the blast-furnace process, for liquid-phase processes (Corex, Hismelt, Romelt), for solid-phase pellet reduction (Midrex, HYL III, LP-V in a shaft furnace), for steel production in systems consisting of a blast furnace and a converter, a Midrex unit and an arc furnace, or a Romelt unit and an arc furnace, and for scrap processing in an arc furnace or in an LP-V shaft furnace. Three blast-furnace processes with sinter and coke are adopted as the basis of comparison, as in: the standard blast-furnace process used in Russia; the improved blast-furnace process with coal-dust injection; and the production of vanadium hot metal from vanadium-bearing titanomagnetite ore (with a subsequent duplex process, ferrovanadium production, and its use in the arc furnace).

V.G. Lisienko; A.V. Lapteva; A.E. Paren'kov [Ural State Technical University - Ural Polytechnic Institute, Yekaterinburg (Russian Federation)

2009-02-15T23:59:59.000Z

175

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":[]}

176

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

177

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

178

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

179

Page not found | Department of Energy  

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

of energy efficient products. Rebates are available on water heaters, furnaces, boilers, boiler... http:energy.govsavingsnicor-gas-commercial-energy-efficiency-rebates...

180

Xcel Energy (Gas) - Business Energy Efficiency Rebate Programs...  

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

to commercial customers who make certain energy-efficiency improvements, such as boilers, furnaces, equipment tune-ups, equipment controls and motors. Xcel Energy also offers...

Note: This page contains sample records for the topic "furnace recuperator energy" 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

Home Energy Loan Program (Minnesota) | Open Energy Information  

Open Energy Info (EERE)

Others pending approval, Doors, DuctAir sealing, Furnaces, Lighting, Water Heaters, Windows Active Incentive Yes Implementing Sector StateTerritory Energy Category Energy...

182

Energy Efficiency Tax Credits (Personal) (Kentucky) | Open Energy...  

Open Energy Info (EERE)

Central Air conditioners, Doors, Furnaces, Heat pumps, Lighting, Water Heaters, Windows Active Incentive Yes Implementing Sector StateTerritory Energy Category Energy...

183

Minnesota Energy Resources (Gas)- Residential Energy Efficiency Rebate Program  

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

Minnesota Energy Resources provides rebates to their residential customers for the purchase of energy efficient natural gas equipment and set-back thermostats. Rebates are available for furnaces,...

184

Black Hills Energy (Gas)- Commercial Energy Efficiency Rebate Programs  

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

Black Hills Energy offers commercial and industrial customers incentives to encourage energy efficiency in eligible businesses. Prescriptive rebates are available for furnace and boiler...

185

Energy Efficiency Financing Program (California) | Open Energy...  

Open Energy Info (EERE)

ControlsSensors, Chillers, Furnaces, Boilers, Heat pumps, Central Air conditioners, Energy Mgmt. SystemsBuilding Controls, Building Insulation, Motors, CustomOthers pending...

186

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...

187

Consumers Energy (Gas) - Commercial Energy Efficiency Program...  

Open Energy Info (EERE)

Boilers, Building Insulation, Chillers, Clothes Washers, CustomOthers pending approval, Energy Mgmt. SystemsBuilding Controls, Equipment Insulation, Furnaces, Lighting, Lighting...

188

Heat Pumps | Department of Energy  

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

existing heat contained within the earth -- a clean, reliable, and renewable source of energy. In moderate climates, heat pumps can be an energy-efficient alternative to furnaces...

189

Alliant Energy Interstate Power and Light (Gas) - Residential...  

Open Energy Info (EERE)

Chillers, Doors, Furnaces, Heat pumps, Programmable Thermostats, Water Heaters, Windows, Tankless Water Heaters Active Incentive Yes Implementing Sector Utility Energy...

190

Edison Innovation Clean Energy Manufacturing Fund - Grants and...  

Open Energy Info (EERE)

Sector Commercial, Industrial Eligible Technologies Boilers, Central Air conditioners, Energy Mgmt. SystemsBuilding Controls, Furnaces, Lighting, Anaerobic Digestion, Biomass,...

191

Central Hudson Gas & Electric (Gas) - Commercial Energy Efficiency...  

Open Energy Info (EERE)

Institutional, Local Government, Nonprofit, Schools Eligible Technologies Boilers, Energy Mgmt. SystemsBuilding Controls, Furnaces, Programmable Thermostats, Water Heaters...

192

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

193

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

194

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

195

Building America Top Innovations 2013 Profile Â… 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

196

Building America Top Innovations 2013 Profile Â… 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

197

Idaho | Department of Energy  

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

ThermWise program. This equipment includes clothes washers, water heaters, furnaces, boilers, windows, insulation and programmable thermostats. A reduced-cost home energy audit...

198

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...

199

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 ...

200

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 ...

Note: This page contains sample records for the topic "furnace recuperator energy" 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

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 ...

202

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 ...

203

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  ...

204

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

205

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...

206

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...

207

NREL’s 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

208

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

209

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

210

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.

211

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

212

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

213

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

214

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

215

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

216

Thermal chemical recuperation method and system for use with gas turbine systems  

DOE Patents (OSTI)

A system and method are disclosed for efficiently generating power using a gas turbine, a steam generating system and a reformer. The gas turbine receives a reformed fuel stream and an air stream and produces shaft power and exhaust. Some of the thermal energy from the turbine exhaust is received by the reformer. The turbine exhaust is then directed to the steam generator system that recovers thermal energy from it and also produces a steam flow from a water stream. The steam flow and a fuel stream are directed to the reformer that reforms the fuel stream and produces the reformed fuel stream used in the gas turbine. 2 figs.

Yang, W.C.; Newby, R.A.; Bannister, R.L.

1999-04-27T23:59:59.000Z

217

Thermal chemical recuperation method and system for use with gas turbine systems  

DOE Patents (OSTI)

A system and method for efficiently generating power using a gas turbine, a steam generating system (20, 22, 78) and a reformer. The gas turbine receives a reformed fuel stream (74) and an air stream and produces shaft power and exhaust. Some of the thermal energy from the turbine exhaust is received by the reformer (18). The turbine exhaust is then directed to the steam generator system that recovers thermal energy from it and also produces a steam flow from a water stream. The steam flow and a fuel stream are directed to the reformer that reforms the fuel stream and produces the reformed fuel stream used in the gas turbine.

Yang, Wen-Ching (Export, PA); Newby, Richard A. (Pittsburgh, PA); Bannister, Ronald L. (Winter Springs, FL)

1999-01-01T23:59:59.000Z

218

Technical support document: Energy efficiency standards for consumer products: Room air conditioners, water heaters, direct heating equipment, mobile home furnaces, kitchen ranges and ovens, pool heaters, fluorescent lamp ballasts and television sets. Volume 3, Water heaters, pool heaters, direct heating equipment, and mobile home furnaces  

SciTech Connect

This is Volume 3 in a series of documents on energy efficiency of consumer products. This volume discusses energy efficiency of water heaters. Water heaters are defined by NAECA as products that utilize oil, gas, or electricity to heat potable water for use outside the heater upon demand. These are major appliances, which use a large portion (18% on average) of total energy consumed per household (1). They differ from most other appliances in that they are usually installed in obscure locations as part of the plumbing and are ignored until they fail. Residential water heaters are capable of heating water up to 180{degrees}F, although the setpoints are usually set lower.

Not Available

1993-11-01T23:59:59.000Z

219

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

220

Mercury 50 Recuperated Combustion Turbine Case Study: Arkansas River Power Authority, Lamar, Colorado  

Science Conference Proceedings (OSTI)

In February 2001, the Arkansas River Power Authority (ARPA) installed a 4-MW natural-gas-fired Mercury 50 combustion turbine manufactured by Solar Turbines at a member power plant in Lamar, Colorado. ARPA's primary objective was to evaluate whether the Mercury 50 -- one of only 10 such units in the world -- could meet ARPA's need to diversify its energy supply and provide reliable, economical, low-emission electricity to its municipal utility members. Partly funded by a grant from the American Public Pow...

2004-02-29T23:59:59.000Z

Note: This page contains sample records for the topic "furnace recuperator energy" 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

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

222

Grocery and convenience stores | ENERGY STAR  

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

To save energy while using larger equipment, such as HVAC, heat pumps, motors, boilers, furnaces, and turbines, consider buying ENERGY STAR certified products. Whether you...

223

Page not found | Department of Energy  

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

and industrial customers incentives to encourage energy efficiency in eligible businesses. Prescriptive rebates are available for furnace and boiler... http:energy.gov...

224

Energy Efficient Residential Construction Tax Credit (Corporate...  

Open Energy Info (EERE)

MeasuresWhole Building, Doors, DuctAir sealing, Furnaces, Heat pumps, Roofs, Windows Active Incentive Yes Implementing Sector StateTerritory Energy Category Energy...

225

Douglas County - Residential Energy Efficiency Rebate Program...  

Open Energy Info (EERE)

Furnaces, Boilers, CaulkingWeather-stripping, DuctAir sealing, Building Insulation, Windows, Doors Active Incentive No Implementing Sector Local Energy Category Energy...

226

Energy Efficient Residential Construction Tax Credit (Personal...  

Open Energy Info (EERE)

MeasuresWhole Building, Doors, DuctAir sealing, Furnaces, Heat pumps, Roofs, Windows Active Incentive Yes Implementing Sector StateTerritory Energy Category Energy...

227

Central Electric Cooperative - Residential Energy Efficiency...  

Open Energy Info (EERE)

Air sealing, Furnaces, Heat pumps, Motor VFDs, Motors, Refrigerators, Water Heaters, Windows Active Incentive Yes Implementing Sector Utility Energy Category Energy Efficiency...

228

Atmos Energy - Energy Efficiency Rebate Program | Department of Energy  

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

Atmos Energy - Energy Efficiency Rebate Program Atmos Energy - Energy Efficiency Rebate Program Atmos Energy - Energy Efficiency Rebate Program < Back Eligibility Commercial Residential Savings Category Heating & Cooling Commercial Heating & Cooling Heating Home Weatherization Commercial Weatherization Sealing Your Home Ventilation Manufacturing Appliances & Electronics Water Heating Maximum Rebate Miscellaneous Hot Water Insulation and Infiltration Measures: minimum purchase of $40 Programmable Thermostats: 2/account Program Info State Colorado Program Type Utility Rebate Program Rebate Amount '''Residential and Small Commercial''' Furnace: $200-$300 Boiler: $150 Proper Sizing of Furnaces/Boilers: $50 Storage Water Heater: $50 Tankless Water Heater: $300 Programmable Thermostat: $25 Furnace Maintenance: $40

229

Enterprise Energy Fund Loans (New Hampshire) | Open Energy Information  

Open Energy Info (EERE)

Whole Building, Compressed air, CustomOthers pending approval, Doors, DuctAir sealing, Energy Mgmt. SystemsBuilding Controls, Equipment Insulation, Furnaces, Heat pumps, Heat...

230

DTE Energy (Gas) - Commercial and Industrial Energy Efficiency...  

Open Energy Info (EERE)

Eligible Technologies Boilers, Building Insulation, CustomOthers pending approval, Energy Mgmt. SystemsBuilding Controls, Equipment Insulation, Furnaces, Heat recovery,...

231

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...

232

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...

233

Home Energy Loan Program (Maryland) | Open Energy Information  

Open Energy Info (EERE)

Comprehensive MeasuresWhole Building, CustomOthers pending approval, DuctAir sealing, Energy Mgmt. SystemsBuilding Controls, Furnaces, Heat pumps, Water Heaters Active...

234

Edison Innovation Clean Energy Fund (New Jersey) | Open Energy...  

Open Energy Info (EERE)

Lighting, Lighting ControlsSensors, Furnaces, Boilers, Central Air conditioners, Energy Mgmt. SystemsBuilding Controls, Solar Thermal Electric, Photovoltaics, Landfill...

235

Business Energy Conservation Loan Program (Vermont) | Open Energy...  

Open Energy Info (EERE)

Chillers, Comprehensive MeasuresWhole Building, Compressed air, Doors, DuctAir sealing, Energy Mgmt. SystemsBuilding Controls, Equipment Insulation, Furnaces, Heat pumps, Heat...

236

Low-Interest Energy Loan Programs (Idaho) | Open Energy Information  

Open Energy Info (EERE)

Comprehensive MeasuresWhole Building, CustomOthers pending approval, DuctAir sealing, Energy Mgmt. SystemsBuilding Controls, Furnaces, Heat pumps, Lighting, Motor VFDs, Water...

237

Enterprise Energy Fund Grants (New Hampshire) | Open Energy Informatio...  

Open Energy Info (EERE)

Whole Building, Compressed air, CustomOthers pending approval, Doors, DuctAir sealing, Energy Mgmt. SystemsBuilding Controls, Equipment Insulation, Furnaces, Heat pumps, Heat...

238

Local Government Energy Loan Program (Alabama) | Open Energy...  

Open Energy Info (EERE)

Air conditioners, Chillers, CustomOthers pending approval, Doors, DuctAir sealing, Energy Mgmt. SystemsBuilding Controls, Furnaces, Heat pumps, Heat recovery, Lighting,...

239

Energy Efficiency Fund (Gas) - Commercial and Industrial Energy...  

Open Energy Info (EERE)

Boilers, Comprehensive MeasuresWhole Building, CustomOthers pending approval, Energy Mgmt. SystemsBuilding Controls, Furnaces, Heat recovery, Water Heaters, Windows,...

240

Alliant Energy Interstate Power and Light (Gas) - Business Energy...  

Open Energy Info (EERE)

150 or 400 Programmable Thermostat: 25 WindowsSash: 20 Custom: Based on Annual Energy Dollar Savings Equipment Requirements Boilers (< 300,000 Btu): AFUE 85% Furnaces (<...

Note: This page contains sample records for the topic "furnace recuperator energy" 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

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":[]}

242

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

243

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

244

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....

245

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

246

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.

247

Chemically recuperated gas turbine  

SciTech Connect

This patent describes a powerplant. It comprises: a gas turbine engine having a compressor, a combustor downstream of the compressor, a turbine, and a power turbine downstream and adjacent the turbine there being no reheating means between the turbine and power turbine; a reformer positioned downstream of the power turbine such that the output of the power turbine provides a first means for heating the reformer; a second means for heating the reformer, the second means positioned downstream of the power turbine.

Horner, M.W.; Hines, W.R.

1992-07-28T23:59:59.000Z

248

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

249

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

250

EA-1892: Direct Final Rule Energy Conservation Standards for...  

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

2: Direct Final Rule Energy Conservation Standards for Residential Furnaces and Residential Central Air Conditioners & Heat Pumps EA-1892: Direct Final Rule Energy Conservation...

251

Berkshire Gas - Residential Energy Efficiency Loan Program (Massachuse...  

Open Energy Info (EERE)

DuctAir sealing, Furnaces, Programmable Thermostats, Refrigerators, Water Heaters, Windows Active Incentive No Incentive Inactive Date 12012009 Energy Category Energy...

252

Questar Gas - Residential Energy Efficiency Rebate Programs ...  

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

Incentives are available for clothes washers and dryers, water heaters, furnaces, boilers, windows, insulation and programmable thermostats. A reduced-cost home energy audit...

253

Atmos Energy (Gas) - Residential Efficiency Program (Iowa) |...  

Open Energy Info (EERE)

Eligible Technologies Boilers, CaulkingWeather-stripping, Furnaces, Water Heaters, Windows, Tankless Water Heaters Active Incentive Yes Implementing Sector Utility Energy...

254

Colorado Natural Gas- Energy Efficiency Rebate Program  

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

Colorado Natural Gas offers the Excess is Out Program for residential and commercial customers in Colorado. Incentives are available for purchasing and installing energy efficient furnaces, boilers...

255

State Buildings Energy Conservation Bond Program (Montana) |...  

Open Energy Info (EERE)

CaulkingWeather-stripping, Central Air conditioners, Chillers, DuctAir sealing, Energy Mgmt. SystemsBuilding Controls, Furnaces, Heat pumps, Lighting Active Incentive No...

256

Energy Conservation Improvement Program (Massachusetts) | Open...  

Open Energy Info (EERE)

Sector Schools Eligible Technologies Lighting, Chillers, Furnaces, Boilers, Heat pumps, Energy Mgmt. SystemsBuilding Controls, CustomOthers pending approval Active Incentive No...

257

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...

258

Energy Efficient Schools Initiative - Loans (Tennessee) | Open...  

Open Energy Info (EERE)

Chillers, Comprehensive MeasuresWhole Building, CustomOthers pending approval, Energy Mgmt. SystemsBuilding Controls, Furnaces, Heat pumps, Lighting, Lighting Controls...

259

Berkshire Gas - Residential Energy Efficiency Rebate Program...  

Open Energy Info (EERE)

Boilers, Building Insulation, CustomOthers pending approval, DuctAir sealing, Energy Mgmt. SystemsBuilding Controls, Equipment Insulation, Furnaces, Heat recovery,...

260

Energy Efficient Schools Initiative - Grants (Tennessee) | Open...  

Open Energy Info (EERE)

Chillers, Comprehensive MeasuresWhole Building, CustomOthers pending approval, Energy Mgmt. SystemsBuilding Controls, Furnaces, Heat pumps, Lighting, Lighting Controls...

Note: This page contains sample records for the topic "furnace recuperator energy" 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

Community Energy Education Management Program (Oklahoma) | Open...  

Open Energy Info (EERE)

CaulkingWeather-stripping, Central Air conditioners, Chillers, Doors, DuctAir sealing, Energy Mgmt. SystemsBuilding Controls, Equipment Insulation, Furnaces, Heat pumps, Heat...

262

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...

263

Building Energy Conservation Initiative (New Hampshire) | Open...  

Open Energy Info (EERE)

Technologies Lighting, Chillers, Furnaces, Boilers, Heat pumps, Central Air conditioners, Energy Mgmt. SystemsBuilding Controls, DuctAir sealing, Building Insulation Active...

264

Nicor Gas - Commercial Energy Efficiency Rebates (Illinois) ...  

Open Energy Info (EERE)

Sector Commercial Eligible Technologies Boilers, CustomOthers pending approval, Energy Mgmt. SystemsBuilding Controls, Furnaces, Steam-system upgrades, Water Heaters,...

265

Connecticut Light & Power - Energy Opportunities Efficiency Program...  

Open Energy Info (EERE)

Furnaces, Boilers, Central Air conditioners, Compressed air, Programmable Thermostats, Energy Mgmt. SystemsBuilding Controls, Motors, Motor VFDs, CustomOthers pending approval...

266

Ameren Illinois (Gas) - Residential Energy Efficiency Rebates...  

Open Energy Info (EERE)

upgrades and improvements. Incentives are currently available to residential homeowners for natural gas boiler, furnaces, insulation, certain ENERGY STAR appliances, and...

267

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

268

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

269

Furnace Systems Technology Workshop: Emerging ... - TMS  

Science Conference Proceedings (OSTI)

Energy Efficiency. Edited by. Paul E. King. Subodh K. Das. Proceedings of Symposium Sponsored by the Light Metals Division (LMD) of. TMS (The Minerals  ...

270

Recycling of Electric Arc Furnace Dust  

Science Conference Proceedings (OSTI)

A Study on Waste Packaging Containers Generated by Household in Taiwan ... Mullites Bodies Produced From the Kaolin Residue Using Microwave Energy.

271

Microwave furnace having microwave compatible dilatometer  

DOE Patents (OSTI)

An apparatus for measuring and monitoring a change in the dimension of a sample being heated by microwave energy is described. The apparatus comprises a microwave heating device for heating a sample by microwave energy, a microwave compatible dilatometer for measuring and monitoring a change in the dimension of the sample being heated by microwave energy without leaking microwaves out of the microwave heating device, and a temperature determination device for measuring and monitoring the temperature of the sample being heated by microwave energy. 2 figs.

Kimrey, H.D. Jr.; Janney, M.A.; Ferber, M.K.

1992-03-24T23:59:59.000Z

272

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...

273

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

274

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

275

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

276

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

277

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

278

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

279

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

280

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

Note: This page contains sample records for the topic "furnace recuperator energy" 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

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

282

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

283

CenterPoint Energy (Gas)- Commercial Energy Efficiency Rebate Program  

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

CenterPoint Energy offers rebates on a variety of energy efficient equipment to its business customers in Minnesota. This includes boilers, furnaces, tune-ups, system controls, infrared heaters,...

284

UES - Commercial Energy Efficiency Rebate Program (Gas Customers...  

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

Type Utility Rebate Program Rebate Amount Furnaces: 200 - 350 Water Heaters: 200 Boilers: 250100,000 Btu Griddles: 300 UniSource Energy Services (UES) offers the...

285

National Grid (Gas) - Residential Energy Efficiency Rebate Programs...  

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

Rebate Amount Multifamily: Free Energy Evaluation and hot water pipe insulation Boilers: 350-560 Boiler Reset Controls: 70 Furnaces: 140-420, depending on efficiency...

286

Central Hudson Gas & Electric (Gas) - Residential Energy Efficiency...  

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

of energy efficient equipment. Natural gas rebates apply to water heaters, natural gas boilers, steam boilers, boiler controls, furnaces, programmable thermostats, and duct and air...

287

EA-1530: Finding of No Significant Impact | Department of Energy  

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

Impact Final Rule for Energy Conservation Standards for Residential Furnaces and Boilers The Environmental Assessment (EA) and Finding of No Significant Impact (FONSI) have...

288

Life-Cycle Cost Analysis of Energy Efficiency Design Options...  

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

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...

289

Baltimore Gas & Electric Company (Gas) - Residential Energy Efficiency...  

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

to improve the energy efficiency of eligible homes. Rebates are available for furnaces, HVAC system tune-ups, and insulation measures. All equipment and installation requirements...

290

Atmos Energy - Natural Gas and Weatherization Efficiency Program...  

Open Energy Info (EERE)

Comprehensive MeasuresWhole Building, DuctAir sealing, Furnaces, Water Heaters, Windows, Tankless Water Heaters Active Incentive Yes Implementing Sector Utility Energy...

291

EA-0372: Finding of No Significant Impacts | Department of Energy  

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

Consumer Products: Refrigerators, Furnaces, and Television Sets Proposed Rulemaking for Energy Conservation Standards for 3 Types of Consumer Products Office of Conservation and...

292

Energy Efficiency Projects: Overcoming Internal Barriers to Implementa...  

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

furnaces, waste heat recovery But... ...being 'non-core', Energy Efficiency (EE) capital projects often take a backseat to other projects Organization Rick Bowen...

293

Existing Facilities Program (New York) | Open Energy Information  

Open Energy Info (EERE)

Central Air conditioners, Chillers, Clothes Washers, CustomOthers pending approval, Energy Mgmt. SystemsBuilding Controls, Equipment Insulation, Furnaces, Heat pumps,...

294

Local Option - Special Districts (Florida) | Open Energy Information  

Open Energy Info (EERE)

Boilers, Building Insulation, Central Air conditioners, Chillers, DuctAir sealing, Energy Mgmt. SystemsBuilding Controls, Furnaces, Heat pumps, Heat recovery, Lighting,...

295

Energy Efficiency Loans for State Government Agencies (Kentucky...  

Open Energy Info (EERE)

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

296

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,...

297

Energy Revolving Loan Fund - Public Entities (Michigan) | Open...  

Open Energy Info (EERE)

Air conditioners, Chillers, CustomOthers pending approval, Doors, DuctAir sealing, Energy Mgmt. SystemsBuilding Controls, Furnaces, Heat pumps, Heat recovery, Lighting,...

298

Be SMART Business Efficiency Loan Program (Maryland) | Open Energy...  

Open Energy Info (EERE)

Chillers, Comprehensive MeasuresWhole Building, CustomOthers pending approval, Doors, Energy Mgmt. SystemsBuilding Controls, Furnaces, Programmable Thermostats, Windows Active...

299

City of High Point Electric - Commercial Energy Efficiency Grant...  

Open Energy Info (EERE)

Technologies Lighting, Chillers, Furnaces, Boilers, Heat pumps, Central Air conditioners, Energy Mgmt. SystemsBuilding Controls, CaulkingWeather-stripping, DuctAir sealing,...

300

CenterPoint Energy (Gas) - Commercial Efficiency Rebates (Oklahoma...  

Open Energy Info (EERE)

Rebate Program Applicable Sector Commercial, Industrial Eligible Technologies Boilers, Energy Mgmt. SystemsBuilding Controls, Furnaces, Water Heaters, Food Service Equipment,...

Note: This page contains sample records for the topic "furnace recuperator energy" 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

Cape Light Compact - Residential Energy Efficiency Rebate Program...  

Open Energy Info (EERE)

Central Air conditioners, Comprehensive MeasuresWhole Building, DuctAir sealing, Energy Mgmt. SystemsBuilding Controls, Furnaces, Heat pumps, Pool Pumps, Programmable...

302

LoanSTAR Revolving Loan Program (Texas) | Open Energy Information  

Open Energy Info (EERE)

Building Insulation, Central Air conditioners, Chillers, CustomOthers pending approval, Energy Mgmt. SystemsBuilding Controls, Furnaces, Heat pumps, Heat recovery, Lighting,...

303

ConEd (Gas) - Commercial and Industrial Energy Efficiency Program...  

Open Energy Info (EERE)

Comprehensive MeasuresWhole Building, Compressed air, CustomOthers pending approval, Energy Mgmt. SystemsBuilding Controls, Equipment Insulation, Furnaces, Motor VFDs,...

304

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...

305

Edison Innovation Green Growth Fund Loans | Open Energy Information  

Open Energy Info (EERE)

Applicable Sector Commercial, Industrial Eligible Technologies Central Air conditioners, Energy Mgmt. SystemsBuilding Controls, Furnaces, Lighting, Biomass, Fuel Cells using...

306

Focus on Energy - Incentives for Existing Multi-Family Buildings...  

Open Energy Info (EERE)

Lighting, Lighting ControlsSensors, Furnaces, Boilers, Heat pumps, Heat recovery, Energy Mgmt. SystemsBuilding Controls, DuctAir sealing, Building Insulation, Geothermal...

307

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...

308

Miami-Dade County - Voluntary Energy Efficiency and Renewable...  

Open Energy Info (EERE)

Central Air conditioners, Chillers, CustomOthers pending approval, DuctAir sealing, Energy Mgmt. SystemsBuilding Controls, Furnaces, Heat pumps, Heat recovery, Lighting,...

309

Town of Buckeye - Green Building Incentive (Arizona) | Open Energy...  

Open Energy Info (EERE)

Comprehensive MeasuresWhole Building, CustomOthers pending approval, DuctAir sealing, Energy Mgmt. SystemsBuilding Controls, Equipment Insulation, Furnaces, Heat pumps,...

310

Connecticut Natural Gas - Energy Conservation Program for State...  

Open Energy Info (EERE)

Technologies Water Heaters, Furnaces, Boilers, Heat pumps, Central Air conditioners, Energy Mgmt. SystemsBuilding Controls, CustomOthers pending approval, Ventilation Active...

311

ConserFund Loan Program (South Carolina) | Open Energy Information  

Open Energy Info (EERE)

Air conditioners, Chillers, CustomOthers pending approval, Doors, DuctAir sealing, Energy Mgmt. SystemsBuilding Controls, Furnaces, Heat pumps, Heat recovery, Lighting,...

312

Georgia Interfaith Power and Light - Energy Improvement Grants...  

Open Energy Info (EERE)

MeasuresWhole Building, CustomOthers pending approval, Doors, DuctAir sealing, Energy Mgmt. SystemsBuilding Controls, Equipment Insulation, Furnaces, Heat pumps,...

313

EA-1892: Draft Environmental Assessment | Department of Energy  

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

Assessment EA-1892: Draft Environmental Assessment Direct Final Rule Energy Conservation Standards for Residential Furnaces and Residential Central Air Conditioners & Heat...

314

Modeling Energy Consumption of Residential Furnaces and Boilers...  

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

6. American Society of Heating Refrigeration and Air-Conditioning Engineers, ASHRAE 1997 Handbook - Fundamentals. 1997, Atlanta, GA.p. 3.12. 7. Proctor, J. and D. Parker, Hidden...

315

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

E-Print Network (OSTI)

Refrigerating and Air-Conditioning Engineers, Inc. [Lennox]Refrigerating and Air-Conditioning Engineers, Inc. Pigg,Refrigerating and Air-Conditioning Engineers, Inc. Stanely,

Lekov, Alex; Franco, Victor; Lutz, James

2006-01-01T23:59:59.000Z

316

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

317

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

318

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

319

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

320

Electric Resistance Heating Basics | Department of Energy  

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

Electric Resistance Heating Basics Electric Resistance Heating Basics Electric Resistance Heating Basics August 16, 2013 - 3:10pm Addthis Electric resistance heat can be supplied by centralized forced-air electric furnaces or by heaters in each room. Electric resistance heating converts nearly all of the energy in the electricity to heat. Types of Electric Resistance Heaters Electric resistance heat can be provided by electric baseboard heaters, electric wall heaters, electric radiant heat, electric space heaters, electric furnaces, or electric thermal storage systems. Electric Furnaces With electric furnaces, heated air is delivered throughout the home through supply ducts and returned to the furnace through return ducts. Blowers (large fans) in electric furnaces move air over a group of three to seven

Note: This page contains sample records for the topic "furnace recuperator energy" 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

Electric Resistance Heating Basics | Department of Energy  

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

Electric Resistance Heating Basics Electric Resistance Heating Basics Electric Resistance Heating Basics August 16, 2013 - 3:10pm Addthis Electric resistance heat can be supplied by centralized forced-air electric furnaces or by heaters in each room. Electric resistance heating converts nearly all of the energy in the electricity to heat. Types of Electric Resistance Heaters Electric resistance heat can be provided by electric baseboard heaters, electric wall heaters, electric radiant heat, electric space heaters, electric furnaces, or electric thermal storage systems. Electric Furnaces With electric furnaces, heated air is delivered throughout the home through supply ducts and returned to the furnace through return ducts. Blowers (large fans) in electric furnaces move air over a group of three to seven

322

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

323

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

324

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

325

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

326

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

327

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 ...

328

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

329

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

330

AEP (Central and North) - CitySmart Program (Texas) | Open Energy...  

Open Energy Info (EERE)

Chillers, Comprehensive MeasuresWhole Building, CustomOthers pending approval, Energy Mgmt. SystemsBuilding Controls, Furnaces, Heat pumps, Lighting, Lighting Controls...

331

ConEd (Gas) - Multi-family Energy Efficiency Incentives Program...  

Open Energy Info (EERE)

Technologies Boilers, Building Insulation, CaulkingWeather-stripping, DuctAir sealing, Energy Mgmt. SystemsBuilding Controls, Equipment Insulation, Furnaces, Programmable...

332

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

333

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

334

Science, energy, ethics, and civilization vaclav smil  

E-Print Network (OSTI)

fossil fuels: coal, crude oil, and natural gas. By 2005, the energy supply of the world's largest economy from natural gas and coal, and the rest from hydro and nuclear electricity. Thus the average annual, and fuel-oil furnaces brought it to nearly 50%. Efficiencies of natural-gas furnaces were initially below

Smil, Vaclav

335

MidAmerican Energy (Gas) - Residential Energy Efficiency Rebate Programs |  

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

Home Weatherization Home Weatherization Commercial Weatherization Manufacturing Appliances & Electronics Water Heating Program Info Start Date 1/1/2011 Expiration Date 12/31/2012 State South Dakota Program Type Utility Rebate Program Rebate Amount Furnaces: $250-$400 Furnace Fan Motors: $50 Boilers: $150-$400 Water Heaters: $50-$100 Energy Audit: Free including water heater/pipe insulation Building Insulation: 70% or $750 Provider MidAmerican Energy Company MidAmerican Energy offers a variety of incentives for residential customers to improve the energy efficiency of homes. Eligible customers are eligible for rebates on furnaces, furnace fan motors, boilers, water heaters, air conditioners, air-source heat pumps, geothermal heat pumps and insulation. Customers should see the equipment brochure for more rebate information and

336

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

337

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

338

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

339

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

340

TECHNICAL SUPPORT DOCUMENT: ENERGY CONSERVATION STANDARDS FOR CONSUMER  

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

SUPPORT DOCUMENT: ENERGY SUPPORT DOCUMENT: ENERGY CONSERVATION STANDARDS FOR CONSUMER PRODUCTS: REFRIGERATORS, FURNACES, AND TELEVISION SETS including Environmental Assessment (DOEIEA-0372) Regulatory Impact Analysis November 1988 U.S. Department of Energy Assistant Secretary, Conservation and Renewable Energy Building Equipment Division DOE/EA-0372 ONMENTAL ASSESSMENT FOR PROPOSED ENERGY 0NSERVATION STANDARDS FOR TWO TYPES OF CONSUMER PRODUCTS; REFRIGERATORS, REFRIGERATOR-FREEZERS, AND FREEZERS; SMALL GAS FURNACES; AND A PROPOSED 'NO STANDARD" STANDARD FOR TELEVISION SETS TRODUCTION AND SUMMARY his environmental assessment (EA) evaluates the environmental impacts lting from new or amended energy-efficiency standards for refrigerators, igerator-freezers, freezers, small gas furnaces, and television sets as mandated

Note: This page contains sample records for the topic "furnace recuperator energy" 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

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

342

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

343

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

344

Manufacturing Energy Consumption Survey (MECS) - U.S. Energy Information  

Gasoline and Diesel Fuel Update (EIA)

MECS Terminology MECS Terminology A B C D E F G H I J K L M N O P Q R S T U V W XYZ B Barrel: A volumetric unit of measure equivalent to 42 U.S. gallons. Biomass: Organic nonfossil material of biological origin constituting a renewable energy source. Blast Furnace: A shaft furnace in which solid fuel (coke) is burned with an air blast to smelt ore in a continuous operation. Blast Furnace Gas: The waste combustible gas generated in a blast furnace when iron ore is being reduced with coke to metallic iron. It is commonly used as a fuel within the steel works. An energy source to produce heat that is transferred to the boiler vessel in order to generate steam or hot water. Fossil fuels are the primary energy sources used to produce heat for boilers. Breeze: The fine screenings from crushed coke. Usually breeze will pass

345

Manufacturing Consumption of Energy 1994  

U.S. Energy Information Administration (EIA) Indexed Site

3 3 Energy Information Administration/Manufacturing Consumption of Energy 1994 Glossary Anthracite: A hard, black, lustrous coal containing a high percentage of fixed carbon and a low percentage of volatile matter. Often referred to as hard coal. Barrel: A volumetric unit of measure equivalent to 42 U.S. gallons. Biomass: Organic nonfossil material of biological origin constituting a renewable energy source. Bituminous Coal: A dense, black coal, often with well-defined bands of bright and dull material, with a moisture content usually less than 20 percent. Often referred to as soft coal. It is the most common coal. Blast Furnace: A shaft furnace in which solid fuel (coke) is burned with an air blast to smelt ore in a continuous operation. Blast Furnace Gas: The waste combustible gas generated in a blast furnace when iron ore is being reduced with coke to

346

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

347

NV Energy (Northern Nevada) - Residential Energy Efficiency Rebate Program  

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

NV Energy (Northern Nevada) - Residential Energy Efficiency Rebate NV Energy (Northern Nevada) - Residential Energy Efficiency Rebate Program NV Energy (Northern Nevada) - Residential Energy Efficiency Rebate Program < Back Eligibility Residential Savings Category Heating & Cooling Commercial Heating & Cooling Heating Appliances & Electronics Maximum Rebate 30% of cost Program Info State Nevada Program Type Utility Rebate Program Rebate Amount Refrigerator/freezer Recycling: $50 Furnaces: $50-$125 Boilers: $75-$100 Provider Nevada Energy - Northern '''As of November 30, 2011, furnace and boiler rebates have been suspended until further notice. View the program web site for additional details and contact information.''' NV Energy offers rebates for the installation of high efficiency stand-alone gas furnaces and gas boilers for residential customers in

348

Energy Efficiency Improvement and Cost Saving Opportunities for the U.S. Iron and Steel Industry An ENERGY STAR(R) Guide for Energy and Plant Managers  

E-Print Network (OSTI)

or regenerative burners can substantially reduce energyregenerative burners in hot mill reheating furnaces and realize energyRegenerative Burner System (FFR). Centre for the Analysis and Dissemination of Demonstrated Energy

Worrell, Ernst

2011-01-01T23:59:59.000Z

349

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

350

Alliant Energy Interstate Power and Light (Gas) - Residential...  

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

Rebate Amount ENERGY STAR New Construction: 600-3500home Home Energy Audit: Free Boilers: 150 or 400 depending on AFUE Furnaces: 250 or 400 depending on AFUE Programmable...

351

EA-0372: Final Environmental Assessment | Department of Energy  

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

72: Final Environmental Assessment 72: Final Environmental Assessment EA-0372: Final Environmental Assessment Energy Conservation Standards for Consumer Products: Refrigerators, Furnaces and Television Sets including Environmental Assessment Regulatory Impact Analysis This environmental assessment (EA) evaluates the environmental impacts resulting from new or amended energy-efficiency standards for refrigerators, refrigerator-freezers, freezers, small gas furnaces, and television sets as mandated by the National Appliance Energy Conservation Act of 1987 (NAECA, 1987). Technical Support Document: Energy Conservation Standards for Consumer Products: Refrigerators, Furnaces and Television Sets including Environmental Assessment Regulatory Impact Analysis, November 1988, DOE/EA-0372 More Documents & Publications

352

Alliant Energy Interstate Power and Light (Gas) - Residential Energy  

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

Alliant Energy Interstate Power and Light (Gas) - Residential Alliant Energy Interstate Power and Light (Gas) - Residential Energy Efficiency Program Alliant Energy Interstate Power and Light (Gas) - Residential Energy Efficiency Program < Back Eligibility Multi-Family Residential Residential Savings Category Heating & Cooling Commercial Heating & Cooling Heating Home Weatherization Commercial Weatherization Sealing Your Home Cooling Design & Remodeling Windows, Doors, & Skylights Heat Pumps Appliances & Electronics Water Heating Maximum Rebate Caulking/Weather Stripping: $200 Ceiling/Foundation/Wall Insulation: $750 Program Info State Iowa Program Type Utility Rebate Program Rebate Amount Boilers: $150 - $400 Furnaces: $250 - $400 Efficient Fan Motor: $50 Programmable Thermostats: $25 Furnace or Boiler Clean and Tune: $30

353

PECO Energy (Gas) – Heating Efficiency Rebate Program  

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

The PECO Smart Gas Efficiency Upgrade Program offers rebates and incentives to commercial or residential customers that install an ENERGY STAR qualified high-efficiency natural gas furnace or...

354

Federal Energy Management Program: Covered Product Category:...  

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

ENERGY STAR's Product Specification applies to residential furnaces that operate on propane or natural gas and have heat input rates less than 225,000 British thermal units per...

355

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

356

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

357

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...

358

CenterPoint Energy - Residential Gas Heating Rebates | Department of Energy  

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

CenterPoint Energy - Residential Gas Heating Rebates CenterPoint Energy - Residential Gas Heating Rebates CenterPoint Energy - Residential Gas Heating Rebates < Back Eligibility Residential Savings Category Heating & Cooling Commercial Heating & Cooling Heating Appliances & Electronics Water Heating Program Info State Arkansas Program Type Utility Rebate Program Rebate Amount Storage Tank Water Heater: $75 Tankless Water Heater: $500 Forced-Air Furnace: $400 - $600 Forced-Air Furnace (Back-Up System): $125 - $175 Hydronic Heating System: $400 Provider CenterPoint Energy CenterPoint Energy offers gas heating and water heating equipment rebates to its residential customers. Eligible equipment includes furnaces, back-up furnace systems, hydronic heaters, storage water heaters and tankless water heaters. All equipment must meet program requirements for efficiency and

359

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

360

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

Note: This page contains sample records for the topic "furnace recuperator energy" 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.


361

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

362

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

363

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

364

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

365

Page not found | Department of Energy  

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

21 - 28730 of 31,917 results. 21 - 28730 of 31,917 results. Article United States and International Partners Initial ITER Agreement Paves the Way for Large-Scale, Clean Fusion Energy Project http://energy.gov/articles/united-states-and-international-partners-initial-iter-agreement Article DOE Announces Energy Assistance for New Orleans Public Schools DOE Encourages Rebuilding Effort's Focus on Efficiency http://energy.gov/articles/doe-announces-energy-assistance-new-orleans-public-schools Article DOE Increases Energy Efficiency Standards for Residential Furnaces & Boilers 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... http://energy.gov/articles/doe-increases-energy-efficiency-standards-residential-furnaces-boilers

366

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

367

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

368

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

369

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

370

Home Energy Saver  

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

Heater Heat Pumps Replacing Your Electric Furnace and CAC with a Heat Pump Sealing Home Air Leaks LPG Furnaces Efficient LPG-fired Water Heaters Oil Furnaces Efficient...

371

Tips: Natural Gas and Oil Heating Systems | Department of Energy  

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

Natural Gas and Oil Heating Systems Natural Gas and Oil Heating Systems Tips: Natural Gas and Oil Heating Systems May 30, 2012 - 5:41pm Addthis Install a new energy-efficient furnace to save money over the long term. Install a new energy-efficient furnace to save money over the long term. If you plan to buy a new heating system, ask your local utility or state energy office about the latest technologies on the market. For example, many newer models have designs for burners and heat exchangers that are more efficient during operation and cut heat loss when the equipment is off. Consider a sealed-combustion furnace -- they are safer and more efficient. Long-Term Savings Tip Install a new energy-efficient furnace to save money over the long term. Look for the ENERGY STAR® and EnergyGuide labels to compare efficiency and

372

Fight Fall Allergies and Save Energy by Checking Your HVAC System |  

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

Fight Fall Allergies and Save Energy by Checking Your HVAC System Fight Fall Allergies and Save Energy by Checking Your HVAC System Fight Fall Allergies and Save Energy by Checking Your HVAC System October 15, 2012 - 3:19pm Addthis Change your furnace filter to help keep allergies at bay and keep your furnace and air conditioner running efficiently. | Photo courtesy of ©iStockphoto.com/JaniceRichard. Change your furnace filter to help keep allergies at bay and keep your furnace and air conditioner running efficiently. | Photo courtesy of ©iStockphoto.com/JaniceRichard. Elizabeth Spencer Communicator, National Renewable Energy Laboratory What does this mean for me? Change your furnace filters every month or two to keep your HVAC equipment operating efficiently. I have unbelievably horrible fall allergies. I've never figured out what

373

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

374

The Role of Thermal Energy Storage in Industrial Energy Conservation  

E-Print Network (OSTI)

Thermal Energy Storage for Industrial Applications is a major thrust of the Department of Energy's Thermal Energy Storage Program. Utilizing Thermal Energy Storage (TES) with process or reject heat recovery systems has been shown to be extremely beneficial for several applications. Recent system studies resulting from contracts awarded by the Department of Energy (DOE) have identified four especially; significant industries where TES appears attractive - food processing, paper and pulp, iron and steel, and cement. Potential annual fuel savings with large scale implementation of near term TES systems for these industries is over 9 x 106 bbl of oil. This savings is due to recuperation and storage in the food processing industry, direct fuel substitution in the paper and pulp industry and reduction in electric utility peak fuel use through in-plant production of electricity from utilization of reject heat in the steel and cement industries.

Duscha, R. A.; Masica, W. J.

1979-01-01T23:59:59.000Z

375

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

376

Steel project fact sheet: Steel reheating for further processing  

SciTech Connect

Steel reheating is an energy-intensive process requiring uniform temperature distribution within reheating furnaces. Historically, recuperators have ben used to preheat combustion air, thereby conserving energy. More recent innovations include oxygen enrichment and the use of regenerative burners, which provide higher preheat air temperatures than recuperators. These processes have limitations such as equipment deterioration, decreasing energy efficiency over time, high maintenance costs, and increased NO{sub x} emissions with increased air preheat temperature, unless special equipment is used. Praxair, Inc., supplier of oxygen and other industrial gases to the steel industry, proposes to introduce an innovative oxy-fuel burner technology (using 100% oxygen) to the steel reheating industry. Oxy-fuel combustion reduces or eliminates nitrogen in combustion air and substantially reduces waste heat carried out with flue gas. Based on technology currently used in the glass, hazardous waste, and aluminum industries, Praxair has developed and patented low temperature, oxy-fuel burners that can be used in high temperature industrial furnaces where temperature uniformity is critical and extremely low NO{sub x} emissions are desired. The technical goal of the project is to demonstrate the use of oxy-fuel burners in a slab reheat furnace while reducing energy consumption by 45% and NO{sub x} emissions by 90% within the converted furnace zones. Successful implementation of this technology also will eliminate the need to periodically replace recuperators and install NO{sub x} removal equipment.

1998-04-01T23:59:59.000Z

377

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

378

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

379

NETL: Control Technology: Furnace Injection of Alkaline Sorbents  

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

Energy Technology Laboratory, under Cooperative Agreement DE-FC26-99FT40718, along with EPRI, the American Electric Power Company (AEP), FirstEnergy Corp., the Tennessee Valley...

380

Continuous Microwave Furnaces for Industrial-Scale Sintering ...  

Science Conference Proceedings (OSTI)

The temperature ranges of operation for some specific applications together with energy savings compared to conventional processing, and other notable ...

Note: This page contains sample records for the topic "furnace recuperator energy" 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

Comparative study for EAF's reactive energy compensation methods and power factor improvement  

Science Conference Proceedings (OSTI)

In this paper is analyzing the current operating conditions of one electric arc furnace (EAF) in order to evaluate the best option to solve the energy consumption problem. Experimental results show that EAFs represent a substantial source of electric ... Keywords: electric arc furnace, flicker, harmonic analysis, improvement, power factor, reactive compensator

Deaconu Sorin Ioan; Popa Gabriel Nicolae; Tihomir Latinovic

2010-09-01T23:59:59.000Z

382

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

383

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

384

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

385

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

386

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

387

Power Technologies Energy Data Book: Fourth Edition, Chapter...  

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

a Blast furnace gas, propane gas, and other manufactured and waste gases derived from fossil fuels. e Electric energy used in the operation of power plants, estimated as 5% of...

388

Tips: Natural Gas and Oil Heating Systems | Department of Energy  

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

Natural Gas and Oil Heating Systems Tips: Natural Gas and Oil Heating Systems May 30, 2012 - 5:41pm Addthis Install a new energy-efficient furnace to save money over the long term....

389

Energy Basics: Tankless Coil and Indirect Water Heaters  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

to heat a fluid that's circulated through a heat exchanger in the storage tank. The energy stored by the water tank allows the furnace to turn off and on less often, which saves...

390

Buildings Energy Data Book: 7.2 Federal Tax Incentives  

Buildings Energy Data Book (EERE)

Electricity use <2% of total furnace 50 site energy consumption 300 Electric heat pump water heater 2.0 EF 300 Gas, oil, or propane water heater 0.80 EF Source(s): ACEEE, The...

391

Furnace Technology and Melt Handling - Programmaster.org  

Science Conference Proceedings (OSTI)

Feb 16, 2010 ... Before implementing any project for reducing energy consumption, there is a need to assess the actual state of consumption, rate it with respect ...

392

Waste Heat Recovery and Furnace Technology - Programmaster.org  

Science Conference Proceedings (OSTI)

Mar 5, 2013 ... Each source of waste heat is listed together with the assessment for potential cogeneration or direct recovery. The overall impact on energy ...

393

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

394

Page not found | Department of Energy  

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

21 - 25330 of 28,904 results. 21 - 25330 of 28,904 results. Rebate Montana-Dakota Utilities (Gas)- Commercial Natural Gas Efficiency Rebate Program Montana-Dakota Utilities (MDU) offers rebates on energy efficient natural gas furnaces to its eligible commercial customers. New furnaces are eligible for a rebate incentive between $150 and $300,... http://energy.gov/savings/montana-dakota-utilities-gas-commercial-natural-gas-efficiency-rebate-program Rebate Montana-Dakota Utilities- Residential Energy Efficiency Rebate Program Montana-Dakota Utilities (MDU) offers several residential rebates on energy efficient equipment for natural gas and electric customers. Natural gas customers are eligible for rebates on furnaces... http://energy.gov/savings/montana-dakota-utilities-residential-energy-efficiency-rebate-program

395

Energy Efficiency Savings Protocols | Department of Energy  

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

Energy Efficiency Savings Protocols Energy Efficiency Savings Protocols Energy Efficiency Savings Protocols In April 2013 the U.S. Department of Energy published the first set of protocols for determining energy savings from energy efficiency measures and programs. You can read individual protocols below or all of them combined into a single report titled The Uniform Methods Project: Methods for Determining Energy Efficiency Savings for Specific Measures. Acknowledgements Introduction Commercial and Industrial Lighting Evaluation Protocol Commercial and Industrial Lighting Controls Evaluation Protocol Small Commercial and Residential Unitary and Split System HVAC Cooling Equipment-Efficiency Upgrade Evaluation Protocol Residential Furnaces and Boilers Evaluation Protocol Residential Lighting Evaluation Protocol

396

Energy Impact Illinois Loans | Department of Energy  

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

Energy Impact Illinois Loans Energy Impact Illinois Loans Energy Impact Illinois Loans < Back Eligibility Residential Savings Category Heating & Cooling Commercial Heating & Cooling Heating Cooling Appliances & Electronics Home Weatherization Construction Commercial Weatherization Design & Remodeling Water Heating Program Info Funding Source American Recovery and Reinvestment Act, Better Buildings State Illinois Program Type State Loan Program Rebate Amount Varies by lender Provider Energy Impact Illinois Energy Impact Illinois partners with local banks and credit unions to provide low-interest loans to help reduce the upfront costs associated with energy efficiency improvements. Loans can be used for whole house improvements, boiler or furnace upgrades, and Energy Star appliance and

397

Xcel Energy - Residential Energy Efficiency Rebate Programs | Department of  

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

Xcel Energy - Residential Energy Efficiency Rebate Programs Xcel Energy - Residential Energy Efficiency Rebate Programs Xcel Energy - Residential Energy Efficiency Rebate Programs < Back Eligibility Residential Savings Category Heating & Cooling Commercial Heating & Cooling Heating Appliances & Electronics Water Heating Program Info Start Date 4/15/2011 Expiration Date 12/31/2012 State North Dakota Program Type Utility Rebate Program Rebate Amount Boiler: $100 Furnace: $75-$100 Tank Water Heater: $40-$60 Tankless Water Heater: $100 Home Energy Audit: 70% off cost In addition to home energy audits, Xcel Energy offers rebates to North Dakota residential customers for the purchase of energy efficient heating and water heating technologies. Xcel offers rebates to homeowners for natural gas furnaces and boilers and natural gas water heaters. Through the

398

Effective Transfer of Waste Heat Recovery Technology: A Case Study of GTE Products Corporation's Experience  

E-Print Network (OSTI)

GTE Products Corporation recently completed a cost sharing technology acceleration program with the U.S. Department of Energy, Office of Industrial Programs (Contract No. DE-FC01-80CS40330). The cost shared program called for the installation of 175 ceramic recuperators on 38 different furnace that operate with clean exhaust between 1600 F and 2500 F. The engineering team approach utilized by GTE for the system design, installation, and start-up-shakedown support is considered the major reason for the reported success of the GTE program. Savings attributable to recuperation averaged 38% based on energy audits by Battelle Columbus Laboratories. Battelle was contracted to monitor the furnaces before and after the retrofit by the D.O.E. and condense report and compare the data in terms of specific energy consumption vs. product throughout. Economic analysis shows that payback periods generally range from 1 - 2.5 years.

Gonzalez, J. M.

1983-01-01T23:59:59.000Z

399

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

400

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

Note: This page contains sample records for the topic "furnace recuperator energy" 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

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

402

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

403

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

404

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

405

WARMAdvantage Program | Department of Energy  

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

WARMAdvantage Program WARMAdvantage Program WARMAdvantage Program < Back Eligibility Residential Savings Category Heating & Cooling Commercial Heating & Cooling Heating Appliances & Electronics Water Heating Solar Program Info Funding Source New Jersey Societal Benefits Charge (public benefits fund); State Energy Program (SEP) funds Expiration Date 06/30/2013 State New Jersey Program Type State Rebate Program Rebate Amount Residential Electric Customers (including municipal utility customers): Solar Hot Water Heater: $1,200 Residential Gas Customers (including propane): Gas Furnace: $400 Gas Boiler: $300 Gas Water Heater: $500 Solar Hot Water Heater: $1,200 Oil Heating Customers: Oil Furnace: $300 Oil Boiler: $300 Hurricane Sandy adder: $200 Provider New Jersey Clean Energy Program

406

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

407

MidAmerican Energy (Gas) - Residential Energy Efficiency Rebate Programs |  

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

Gas) - Residential Energy Efficiency Rebate Gas) - Residential Energy Efficiency Rebate Programs MidAmerican Energy (Gas) - Residential Energy Efficiency Rebate Programs < Back Eligibility Residential Savings Category Heating & Cooling Commercial Heating & Cooling Heating Commercial Weatherization Manufacturing Appliances & Electronics Water Heating Program Info Expiration Date 12/31/2013 State Nebraska Program Type Utility Rebate Program Rebate Amount Energy Audit: Free Furnaces: $250-$400 Boilers: $150 or $400 Water Heaters: $50 or $100 Provider Remittance MidAmerican Energy offers basic energy efficiency incentives for residential customers in Nebraska to improve the comfort and savings in participating homes. These incentives include gas heating equipment such as boilers, furnaces, and water heaters. Free energy audits are also available

408

Xcel Energy - Residential ENERGY STAR Rebate Program | Department of Energy  

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

Residential ENERGY STAR Rebate Program Residential ENERGY STAR Rebate Program Xcel Energy - Residential ENERGY STAR Rebate Program < Back Eligibility Construction Residential Savings Category Home Weatherization Commercial Weatherization Sealing Your Home Appliances & Electronics Heating & Cooling Construction Commercial Heating & Cooling Design & Remodeling Ventilation Heating Commercial Lighting Lighting Water Heating Cooling Maximum Rebate Ground Source Heat Pump: $1500 Program Info Funding Source Home Performance with ENERGY STAR State Colorado Program Type Utility Rebate Program Rebate Amount Air Sealing and Weatherstripping: $160 Attic Insulation and Bypass Sealing: $350 High Efficiency Lighting: $40 Wall Insulation: $800 Set Back Thermostat: $25 Furnaces: $170 - $200 Boiler: $160 Electric Heat Pump: $550

409

Veteran Programs | Department of Energy  

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

Veteran Programs Veteran Programs Veteran Programs Vocational Rehabilitation and Employment Program The Department of Energy partners with the Department of Veterans Affairs to provide on-the-job training opportunities that could lead to employment for recovering Veterans through the vocational rehabilitation and employment program. For information on the program and to sign up visit: http://www.vba.va.gov/bln/vre/. Operation Warfighter Program The Operation Warfighter Program managed by the Department of Defense (DoD) offers temporary military detail assignments for recuperating service members to engage in meaningful vocational opportunities. The Department of Energy partners with the DoD to offer opportunities under the program. Operation Warfighter Program Information (pdf 925 KB)

410

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.

411

Energy 101: Home Energy Assessment | Department of Energy  

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

Home Energy Assessment Home Energy Assessment Energy 101: Home Energy Assessment Addthis Description A home energy checkup helps owners determine where their house is losing energy, money and how such problems can be corrected to make the home more energy efficient. A professional technician, often called an energy auditor, can give your home a checkup. You can also do some of the steps yourself. This video includes examples of examining insulation, inspecting the furnace and ductwork, performing a blower door test and using an infrared camera to detect leaks. Duration 3:31 Topic Tax Credits, Rebates, Savings Home Energy Audits Energy Sector Jobs Education & Training Credit Energy Department Video MR. : In any season a leaky home costs money. How do you stop it? It starts with a comprehensive home energy checkup. That's a

412

Hutchinson Utilities Commission - Residential Energy Efficiency Program |  

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

Hutchinson Utilities Commission - Residential Energy Efficiency Hutchinson Utilities Commission - Residential Energy Efficiency Program Hutchinson Utilities Commission - Residential Energy Efficiency Program < Back Eligibility Residential Savings Category Heating & Cooling Commercial Heating & Cooling Heating Cooling Appliances & Electronics Heat Pumps Commercial Lighting Lighting Water Heating Maximum Rebate 500 Program Info Expiration Date program offered until expiration of funding State Minnesota Program Type Utility Rebate Program Rebate Amount Natural Gas Furnaces: $150-$250, depending on efficiency Natural Gas Furnace Tune-up: $25 ECM Motor: $75 Natural Gas Boilers: $200 Central Air Conditioners: $250 Central Air Conditioner Tune-up: $25 Tankless Gas Water Heaters: $150 Storage Gas Water Heaters: $50 Air Source Heat Pumps: $75/ton

413

Energy Blog | Department of Energy  

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

6, 2013 6, 2013 A heat pump can provide an alternative to using your air conditioner. | Photo courtesy of iStockPhoto/LordRunar. Heat Pump Systems Live in a mild climate? A heat pump might be your best option for efficient heating and cooling. May 16, 2013 Radiators are used in steam and hot water heating. | Photo courtesy of ©iStockphoto/Jot Heat Distribution Systems Does your home have an efficient system for distributing heat? Learn about different distribution systems. May 16, 2013 A residential natural gas meter. Gas-Fired Boilers and Furnaces Does your natural gas boiler or furnace cost more than it should? There are a number of ways to retrofit your gas boiler or furnace to improve its energy efficiency. May 16, 2013 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.

414

Energy Blog | Department of Energy  

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

6, 2013 6, 2013 A heat pump can provide an alternative to using your air conditioner. | Photo courtesy of iStockPhoto/LordRunar. Heat Pump Systems Live in a mild climate? A heat pump might be your best option for efficient heating and cooling. May 16, 2013 Radiators are used in steam and hot water heating. | Photo courtesy of ©iStockphoto/Jot Heat Distribution Systems Does your home have an efficient system for distributing heat? Learn about different distribution systems. May 16, 2013 A residential natural gas meter. Gas-Fired Boilers and Furnaces Does your natural gas boiler or furnace cost more than it should? There are a number of ways to retrofit your gas boiler or furnace to improve its energy efficiency. May 16, 2013 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.

415

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

416

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

417

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

418

How Can China Lighten Up? Urbanization, Industrialization and Energy Demand Scenarios  

E-Print Network (OSTI)

Intensity by Fuel MJ per US$ Diesel Coal Electricity Coke67 Figure 57: Coke Energy Intensity Trends, 2000 -enterprises tend to use coke-based blast furnaces more than

Aden, Nathaniel T.

2010-01-01T23:59:59.000Z

419

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

420

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

Note: This page contains sample records for the topic "furnace recuperator energy" 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

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

422

City Utilities of Springfield - Residential Energy Efficiency Rebate  

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

City Utilities of Springfield - Residential Energy Efficiency City Utilities of Springfield - Residential Energy Efficiency Rebate Program City Utilities of Springfield - Residential Energy Efficiency Rebate Program < Back Eligibility Construction Multi-Family Residential Residential Savings Category Home Weatherization Commercial Weatherization Heating & Cooling Commercial Heating & Cooling Cooling Construction Design & Remodeling Heating Heat Pumps Appliances & Electronics Maximum Rebate Varies by equipment and type of residence Program Info State Missouri Program Type Utility Rebate Program Rebate Amount Home Performance with Energy Star: $250 - $800 Energy Star Home Rating: 50% of certification cost, up to $400 Programmable Thermostat: $15 Insulation Upgrade: 20% of cost up $300 Natural Gas Furnace: $400 Natural Gas Furnace Tune-Up: $30

423

Montana-Dakota Utilities - Residential Energy Efficiency Rebate Program |  

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

- Residential Energy Efficiency Rebate - Residential Energy Efficiency Rebate Program Montana-Dakota Utilities - Residential Energy Efficiency Rebate Program < Back Eligibility Residential Savings Category Heating & Cooling Commercial Heating & Cooling Cooling Heating Appliances & Electronics Maximum Rebate Programmable Thermostat: 1 per address Program Info State Montana Program Type Utility Rebate Program Rebate Amount '''Gas''' Furnace: 150 Energy Star Programmable Thermostat: 20 '''Electric''' Air Conditioner Replacement: 175/ton Provider Montana-Dakota Utilities Co. Montana-Dakota Utilities (MDU) offers several residential rebates on energy efficient equipment for natural gas and electric customers. Natural gas customers are eligible for rebates on furnaces and programmable thermostats

424

Baltimore Gas and Electric Company (Gas) - Residential Energy Efficiency  

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

(Gas) - Residential Energy (Gas) - Residential Energy Efficiency Rebate Program Baltimore Gas and Electric Company (Gas) - Residential Energy Efficiency Rebate Program < Back Eligibility Residential Savings Category Home Weatherization Commercial Weatherization Sealing Your Home Ventilation Manufacturing Heating & Cooling Commercial Heating & Cooling Heating Program Info State Maryland Program Type Utility Rebate Program Rebate Amount Gas Furnace: $300 or $400 Duct Sealing: $200 Tune-ups: $100 Installation Rebates: Contact BGE The Baltimore Gas and Electric Company (BGE) offers the Smart Energy Savers Program for residential natural gas customers to improve the energy efficiency of eligible homes. Rebates are available for furnaces, HVAC system tune-ups, and insulation measures. All equipment and installation

425

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

426

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

427

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

428

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

429

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

430

Treatment of molybdenite ore with laboratory scale solar furnaces  

DOE Green Energy (OSTI)

The conventional method of extracting molybdenite concentrate (MoS/sub 2/) from raw ore consumes 145 x 10/sup 6/ Btu/ton of concentrate in fossil fuel equivalent energy. Processing the ore using a solar hear source could save 56% of this energy. Thermodynamic considerations indicate that MoS/sub 2/ is the easiest of the economically valuable ores to extract using a solar heat source. Oxidation of MoS/sub 2/ to molybdic oxide (MoO/sub 3/) is an exothermic process, and it should proceed autogenically if the concentration of MoS/sub 2/ is high enough. Experiments to measure the specific heat of the raw ore were conducted to determine the crossover point for concentration of molybdenite vs sensible heat of the reaction. The reaction temperatures were measured using a calorimeter, and three distinct reaction temperatures were found. These were identified as water and organic vapors, the oxidation of pyrite (FeS/sub 2/) which is present in the raw ore, and oxidation of the molybdenite. The production rate of SO/sub 2/ was measured for 0.5 g samples of three different concentrations of molybdenite: (1) 95% MoS/sub 2/ concentrate, (2) 10% concentrate mixed with the raw ore, and (3) the unadulterated raw ore. A crude mass balance was obtained between the reacted product (oxide) and the unreacted ore (sulfide) in the hearth. The curves of reacted product vs time look very similar to the curves of SO/sub 2/ gas production as a function of time. Both sets of curves show the reaction is more than 90% complete in one minute.

Coutures, J.P.; Benezech, G.; Renard, R.; Skaggs, S.R.

1979-01-01T23:59:59.000Z

431

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

432

Home Energy Audits | Department of Energy  

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

Weatherization » Home Energy Audits Weatherization » Home Energy Audits Home Energy Audits A home energy checkup helps owners determine where their house is losing energy and money - and how such problems can be corrected to make the home more energy efficient. A professional technician -- often called an energy auditor -- can give your home a checkup. Items shown here include checking for leaks, examining insulation, inspecting the furnace and ductwork, performing a blower door test and using an infrared camera. Learn more about a professional home energy audit. A home energy audit, also known as a home energy assessment, is the first step to assess how much energy your home consumes and to evaluate what measures you can take to make your home more energy efficient. An assessment will show you problems that may, when corrected, save you

433

Residential Enhanced Rewards Program | Department of Energy  

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

Residential Enhanced Rewards Program Residential Enhanced Rewards Program Residential Enhanced Rewards Program < Back Eligibility Low-Income Residential Multi-Family Residential Residential Savings Category Heating & Cooling Commercial Heating & Cooling Heating Cooling Program Info Funding Source Focus on Energy Expiration Date 05/31/2013 State Wisconsin Program Type State Rebate Program Rebate Amount Natural Gas Furnace: $475 Furnace with ECM (natural gas, propane, or oil-fired): $850 Hot-Water Boiler ( Natural Gas Furnace with AC: $1,500 Provider Focus on Energy Focus on Energy offers incentives for income-qualifying customers for the purchase of high efficiency heating equipment. Owner-occupied single-family and multifamily residences of 3 units or less are eligible for the incentives. Applicants must be able to document a gross household income of

434

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

435

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

436

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

437

Xcel Energy (Gas) - Residential Energy Efficiency Rebate Programs |  

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

Residential Energy Efficiency Rebate Programs Residential Energy Efficiency Rebate Programs Xcel Energy (Gas) - Residential Energy Efficiency Rebate Programs < Back Eligibility Residential Savings Category Heating & Cooling Commercial Heating & Cooling Heating Home Weatherization Commercial Weatherization Sealing Your Home Ventilation Appliances & Electronics Water Heating Maximum Rebate Insulation: $300 Program Info State Colorado Program Type Utility Rebate Program Rebate Amount Furnace: $80-$120 Boilers: $100 Storage Water Heater: $25-$90 Tankless Water Heater: $100 Attic/Wall Insulation, Sealing and Weatherstripping: 20% of cost Energy Audits: $60-$120 Home Performance with ENERGY STAR: average rebate amount is $710 Provider Xcel Energy Xcel Energy residential customers in Colorado can qualify for cash

438

Vectren Energy Delivery of Ohio (Gas) - Residential Energy Efficiency  

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

Vectren Energy Delivery of Ohio (Gas) - Residential Energy Vectren Energy Delivery of Ohio (Gas) - Residential Energy Efficiency Rebates Vectren Energy Delivery of Ohio (Gas) - Residential Energy Efficiency Rebates < Back Eligibility Construction Installer/Contractor Residential Savings Category Heating & Cooling Commercial Heating & Cooling Heating Home Weatherization Commercial Weatherization Sealing Your Home Ventilation Appliances & Electronics Water Heating Program Info State Ohio Program Type Utility Rebate Program Rebate Amount Furnace: $150 - $275 Boiler: $300 Storage Water Heater: $125 Tankless Water Heater: $150 Programmable Thermostat: $20 Attic Insulation: Up to $600 Wall Insulation: Up to $700 Air Sealing: Up to $250 Provider Vectren Energy Delivery of Ohio Vectren Energy Delivery offers residential natural gas customers in Ohio

439

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 oil–diesel 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

440

Hydrogen Turbines | Department of Energy  

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

Hydrogen Turbines Hydrogen Turbines Hydrogen Turbines Hydrogen Turbines The Turbines of Tomorrow Combustion (gas) turbines are key components of advanced systems designed for new electric power plants in the United States. With gas turbines, power plants will supply clean, increasingly fuel-efficient, and relatively low-cost energy. Typically, a natural gas-fired combustion turbine-generator operating in a "simple cycle" converts between 25 and 35 percent of the natural gas heating value to useable electricity. Today, most new smaller power plants also install a recuperator to capture waste heat from the turbine's exhaust to preheat combustion air and boost efficiencies. In most of the new larger plants, a "heat recovery steam generator" is installed to recover waste

Note: This page contains sample records for the topic "furnace recuperator energy" 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

Atmos Energy - Energy Efficiency Rebate Program | Department...  

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

and Small Commercial''' Furnace: 200-300 Boiler: 150 Proper Sizing of FurnacesBoilers: 50 Storage Water Heater: 50 Tankless Water Heater: 300 Programmable Thermostat:...

442

Norwich Public Utilities (Gas) - Residential Energy Efficiency Rebate  

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

Norwich Public Utilities (Gas) - Residential Energy Efficiency Norwich Public Utilities (Gas) - Residential Energy Efficiency Rebate Program Norwich Public Utilities (Gas) - Residential Energy Efficiency Rebate Program < Back Eligibility Residential Savings Category Heating & Cooling Commercial Heating & Cooling Heating Appliances & Electronics Water Heating Program Info State Connecticut Program Type Utility Rebate Program Rebate Amount Furnaces: $400 Boilers: $600 Tankless Boiler/Water Heater Combined: $850 - $1050 Indirect Fired/Tankless Water Heaters: $250 - $450 Provider Norwich Public Utilities Norwich Public Utilities (NPU) provides residential natural gas customers rebates for upgrading to energy efficient equipment in eligible homes. NPU offers rebates of between $250 - $1050 for natural gas furnaces, boilers,

443

Avista Utilities (Gas) - Oregon Residential Energy Efficiency Rebate  

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

Oregon Residential Energy Efficiency Oregon Residential Energy Efficiency Rebate Program Avista Utilities (Gas) - Oregon Residential Energy Efficiency Rebate Program < Back Eligibility Residential Savings Category Heating & Cooling Commercial Heating & Cooling Heating Home Weatherization Commercial Weatherization Sealing Your Home Windows, Doors, & Skylights Program Info State Oregon Program Type Utility Rebate Program Rebate Amount Forced Air Furnaces and Boilers: $200 Programmable Thermostats: $50 Windows: $2.25/sq. ft. Insulation: 50% of cost Provider Avista Utilities Avista Utilities offers a variety of equipment rebates to Oregon residential customers. Rebates are available for boilers, furnaces, insulation measures, windows and programmable thermostats. All equipment must meet certain energy efficiency standards listed on the program web

444

Montana-Dakota Utilities (Gas) - Residential Energy Efficiency Rebate  

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

Montana-Dakota Utilities (Gas) - Residential Energy Efficiency Montana-Dakota Utilities (Gas) - Residential Energy Efficiency Rebate Program Montana-Dakota Utilities (Gas) - Residential Energy Efficiency Rebate Program < Back Eligibility Residential Savings Category Heating & Cooling Commercial Heating & Cooling Heating Appliances & Electronics Water Heating Maximum Rebate Programmable Thermostat: 1 per address Program Info State South Dakota Program Type Utility Rebate Program Rebate Amount Furnace: $150 - $300 Programmable Thermostat: $20 Natural Gas Water Heater: $50 - $100 Provider Montana-Dakota Utilities Co. Montana-Dakota Utilities (MDU) offers several residential rebates on energy efficient measures and natural gas equipment. New furnaces, water heaters and programmable thermostats are eligible for a rebate incentive if the

445

Central Hudson Gas and Electric (Gas) - Commercial Energy Efficiency  

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

Commercial Energy Commercial Energy Efficiency Program Central Hudson Gas and Electric (Gas) - Commercial Energy Efficiency Program < Back Eligibility Commercial Installer/Contractor Institutional Local Government Nonprofit Schools Savings Category Heating & Cooling Commercial Heating & Cooling Heating Construction Appliances & Electronics Water Heating Maximum Rebate See Program Info State New York Program Type Utility Rebate Program Rebate Amount Furnace: $500 Furnace with ECM Fan: $700 - $900 Water Boiler: $800 - $1,200 Steam Boiler: $800 Boiler Reset Control: $100 Indirect Water Heater: $300 Programmable Thermostats: $25 Provider Central Hudson Gas and Electric The Business Energy SavingsCentral program is for non-residential gas customers of Central Hudson. This includes businesses, local governments,

446

EA-1892: Direct Final Rule Energy Conservation Standards for Residential  

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

92: Direct Final Rule Energy Conservation Standards for 92: Direct Final Rule Energy Conservation Standards for Residential Furnaces and Residential Central Air Conditioners & Heat Pumps EA-1892: Direct Final Rule Energy Conservation Standards for Residential Furnaces and Residential Central Air Conditioners & Heat Pumps Summary This EA evaluates the environmental impacts of a proposal to adopt energy conservation standards for various consumer products and certain commercial and industrial equipment, including residential furnaces and residential air conditioners and heat pumps, as required by the Energy Policy and Conservation Act, as amended (42 U.S.C. 6291 et seq.). Public Comment Opportunities No public comment opportunities available at this time. Documents Available for Download June 27, 2011 EA-1892: Draft Environmental Assessment

447

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

448

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

449

Alliant Energy Interstate Power and Light (Gas) - Residential Energy  

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

Alliant Energy Interstate Power and Light (Gas) - Residential Alliant Energy Interstate Power and Light (Gas) - Residential Energy Efficiency Program Alliant Energy Interstate Power and Light (Gas) - Residential Energy Efficiency Program < Back Eligibility Residential Savings Category Heating & Cooling Commercial Heating & Cooling Heating Home Weatherization Commercial Weatherization Construction Design & Remodeling Sealing Your Home Ventilation Appliances & Electronics Water Heating Windows, Doors, & Skylights Maximum Rebate Attic and Wall Insulation: $1000 Program Info State Minnesota Program Type Utility Rebate Program Rebate Amount ENERGY STAR New Construction: $600-$3500/home Home Energy Audit: Free Boilers: $150 or $400 depending on AFUE Furnaces: $250 or $400 depending on AFUE Programmable Thermostats: $25

450

Alliant Energy Interstate Power and Light (Gas) - Business Energy  

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

Alliant Energy Interstate Power and Light (Gas) - Business Energy Alliant Energy Interstate Power and Light (Gas) - Business Energy Efficiency Rebate Programs (Minnesota) Alliant Energy Interstate Power and Light (Gas) - Business Energy Efficiency Rebate Programs (Minnesota) < Back Eligibility Commercial Fed. Government Local Government Multi-Family Residential Retail Supplier State Government Savings Category Heating & Cooling Commercial Heating & Cooling Heating Home Weatherization Commercial Weatherization Other Appliances & Electronics Water Heating Windows, Doors, & Skylights Program Info State Minnesota Program Type Utility Rebate Program Rebate Amount Tank Water Heater: $50 Furnace: $250-$400 Boiler: $150 or $400 Programmable Thermostat: $25 Windows/Sash: $20 Custom: Based on Annual Energy Dollar Savings Provider

451

Black Hills Energy (Gas) - Residential Energy Efficiency Program |  

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

Black Hills Energy (Gas) - Residential Energy Efficiency Program Black Hills Energy (Gas) - Residential Energy Efficiency Program Black Hills Energy (Gas) - Residential Energy Efficiency Program < Back Eligibility Residential Savings Category Heating & Cooling Commercial Heating & Cooling Heating Home Weatherization Commercial Weatherization Sealing Your Home Ventilation Appliances & Electronics Water Heating Maximum Rebate All Incentives: $750/customer Ceiling/Wall/Foundation Insulation: $500 Infiltration Control/Caulking/Weather Stripping: $200 Duct Insulation: $150 Program Info State Colorado Program Type Utility Rebate Program Rebate Amount Qualified New Homes (Builders): Contact Black Hills Energy Evaluations: Free or reduced cost Storage Water Heater: $75 or $300 Tankless Water Heater: $300 Furnace/Boiler Maintenance: $30 or $100

452

Black Hills Energy (Gas) - Residential Energy Efficiency Rebate Programs |  

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

Black Hills Energy (Gas) - Residential Energy Efficiency Rebate Black Hills Energy (Gas) - Residential Energy Efficiency Rebate Programs Black Hills Energy (Gas) - Residential Energy Efficiency Rebate Programs < Back Eligibility Residential Savings Category Heating & Cooling Commercial Heating & Cooling Heating Home Weatherization Commercial Weatherization Sealing Your Home Appliances & Electronics Design & Remodeling Windows, Doors, & Skylights Water Heating Maximum Rebate Insulation: $750 Weather-Stripping and Caulking: $200 Program Info State Iowa Program Type Utility Rebate Program Rebate Amount Energy Evaluation: Free Clothes Washers: $100 Dishwashers: $20 Replacement Furnaces: $250 - $400 Replacement Boilers: $150 or $400 Duct Repair/Sealing: $200 Duct Insulation (R-8): $150 Insulation/Weather-Stripping/Caulking: 70% of project cost

453

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

454

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

455

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

456

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

E-Print Network (OSTI)

to predict blower motor electrical power consumption for thegives the blower motor electrical power consumption. BE =the blower motor electrical power consumption. The following

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

2004-01-01T23:59:59.000Z

457

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

E-Print Network (OSTI)

Appliance Manufacturers Association, GAMA Directory Database,Appliance Manufacturers Association, GAMA Directory Database,Appliances Manufacturers Association (GAMA) Certified Efficiency Ratings database

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

2004-01-01T23:59:59.000Z

458

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

E-Print Network (OSTI)

Supply Fan Motor Median Mean LCC Savings Ranges By DesignSupply Fan Motor Median Mean LCC Savings Ranges By DesignSupply Fan Motor Median Mean LCC Savings Ranges By Design

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

2004-01-01T23:59:59.000Z

459

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

E-Print Network (OSTI)

C-1 Residential Electricity Price Forecast (AEOC.1.2 Residential Electricity Price Forecast (AEO 2003) AEOdoes not require electricity price trends and discount

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

2004-01-01T23:59:59.000Z

460

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

E-Print Network (OSTI)

CONSUMPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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

2004-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "furnace recuperator energy" 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

Home Energy Saver  

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

Glossary Glossary Heating, Ventilation and Cooling Terminology System Capacity System capacity is a measurement of the total amount of heat or cooling the furnace, heat pump or air conditioner can produce in one hour. This amount is reported in Btu/hr on the nameplate of the equipment. Btu Btu, short for British Thermal Unit is a unit of heat energy. One Btu is the amount of heat needed to raise the temperature of one pound of water 1°F. To get a rough idea of how much heat energy this is, the heat given off by burning one wooden kitchen match is approximately one Btu. AFUE The AFUE, or Annualized Fuel Utilization Efficiency, is the ratio of the total useful heat the gas furnace delivers to the house to the heat value of the fuel it consumes. Heat Pump A heat pump is basically an air conditioner with a reversible valve

462

Energy Blog | Department of Energy  

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

23, 2010 23, 2010 Lab Helps FAA Build Energy-Efficient Control Towers With help from the Pacific Northwest National Laboratory and its subcontractor, Redhorse Corporation, the agency that keeps our country's airports running is bolstering its energy efficiency. April 23, 2010 Students, Professors Demonstrating Virginia's Potential Peter enjoys solving complex problems, including one thing he sees as an urgent situation that is vastly important - energy creation. April 23, 2010 Exciting White Lighting Windows that emit light and are more energy efficient? Universal Display's PHOLED technology enables windows that have transparent light-emitting diodes in them. April 22, 2010 More Weatherized Homes for Minnesota Tribe Weatherization crews across Minnesota are busy replacing old furnaces,

463

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 0â??900 0â??160 Solid inclusions Float architectural â?¦ â?¦ 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...

464

CX-000131: Categorical Exclusion Determination | Department of Energy  

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

31: Categorical Exclusion Determination 31: Categorical Exclusion Determination CX-000131: Categorical Exclusion Determination Sun'aq Tribe of Kodiak Tribal Center Retrofits CX(s) Applied: B2.5, A1, B5.1 Date: 12/16/2009 Location(s): Alaska Office(s): Energy Efficiency and Renewable Energy Energy Efficiency and Conservation Block Grant Program. The Sun'aq Tribe would remove four existing furnace systems (more than 25 years old) at the Sun'ag Tribal Center, 312 West Marina Way, and install two new energy efficient furnaces (model AHEA 125-5 Oil Fired Condensing Furnaces). The Tribe estimates an annual savings in fuel costs of approximately $6000 and a 35 percent reduction in fuel consumption based on increased efficiencies. DOCUMENT(S) AVAILABLE FOR DOWNLOAD CX-000131.pdf More Documents & Publications

465

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

466

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

467

SourceGas - Residential Energy Efficiency Rebate Program | Department of  

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

Residential Energy Efficiency Rebate Program Residential Energy Efficiency Rebate Program SourceGas - Residential Energy Efficiency Rebate Program < Back Eligibility Residential Savings Category Heating & Cooling Commercial Heating & Cooling Heating Other Commercial Weatherization Manufacturing Appliances & Electronics Water Heating Maximum Rebate Hot Water Insulation/Infiltration Measures: minimum purchase of $40 Programmable Thermostats: 2 per account Insulation/Air Sealing: $300 Program Info State Colorado Program Type Utility Rebate Program Rebate Amount Furnace: $200 - $300 Boiler: $150 Proper Sizing of Boiler/Furnace: $50 Hot Water Heater (Tank): $50 Hot Water Heater (Tankless): $300 Programmable Thermostat: $25 Hot Water Insulation/Infiltration Measures: $25 Insulation/Air Sealing: 30% of cost

468

SourceGas - Commercial Energy Efficiency Rebate Program | Department of  

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

Commercial Energy Efficiency Rebate Program Commercial Energy Efficiency Rebate Program SourceGas - Commercial Energy Efficiency Rebate Program < Back Eligibility Commercial Industrial Savings Category Heating & Cooling Commercial Heating & Cooling Heating Commercial Weatherization Manufacturing Appliances & Electronics Water Heating Maximum Rebate Hot Water Insulation/Infiltration Measures: minimum purchase of $40 Programmable Thermostats: 2 per account Program Info State Colorado Program Type Utility Rebate Program Rebate Amount '''Small Commercial''' Furnace: $200 - $300 Boiler: $150 Proper Sizing of Boiler/Furnace: $50 Hot Water Heater (Tank): $50 Hot Water Heater (Tankless): $300 Programmable Thermostat: $25 Hot Water Insulation/Infiltration Measures: $25 Integrated Space/Water Heater: $300

469

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

470

Page not found | Department of Energy  

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

61 - 24070 of 28,905 results. 61 - 24070 of 28,905 results. Rebate California Enterprise Development Authority (Figtree PACE)- Statewide PACE Program (California) FIGTREE Energy Financing is administering a Property Assessed Clean Energy (PACE) financing program in a number of California cities and counties through a partnership with the Pacific Housing and... http://energy.gov/savings/california-enterprise-development-authority-figtree-pace-statewide-pace-program-california Rebate CenterPoint Energy- Residential Gas Heating Rebates CenterPoint Energy offers gas heating and water heating equipment rebates to its residential customers. Eligible equipment includes furnaces, back-up furnace systems, hydronic heaters, storage... http://energy.gov/savings/centerpoint-energy-residential-gas-heating-rebates

471

Home Energy Checklist | Department of Energy  

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

Home Energy Checklist Home Energy Checklist Home Energy Checklist October 7, 2013 - 4:46pm Addthis This checklist outlines actions that conserve energy within homes. Today Checkbox Turn down the temperature of your water heater to the warm setting (120°F). You'll save energy and avoid scalding your hands. Checkbox Check if your water heater has an insulating blanket. An insulating blanket will pay for itself in one year or less! Checkbox Heating can account for almost half of the average family's winter energy bill. Make sure your furnace or heat pump receives professional maintenance each year. And look for the ENERGY STAR® label when replacing your system. Checkbox Review additional strategies to reduce your water heating bills. Water heating can account for 14%-25% of the energy consumed in your home.

472

Colorado | Department of Energy  

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

Xcel Energy (Gas) - Residential Energy Efficiency Rebate Programs Xcel Energy (Gas) - Residential Energy Efficiency Rebate Programs Xcel Energy residential customers in Colorado can qualify for cash incentives on a variety of energy efficient products and home improvements. Standard rebates are available for heat pumps, evaporative coolers, central A/C systems, furnaces, boilers, water heaters and insulation which meet the program requirements. Rebate program expiration dates may vary depending on the technology. Consult website for more specific rebate amount structure. Only equipment which meets minimum efficiency standards will be included in rebate program. October 16, 2013 Xcel Energy (Gas) - Business Energy Efficiency Rebate Programs Xcel Energy offers rebate programs for Colorado commercial and industrial customers for a wide range of energy efficiency technologies including

473

Ohio | Department of Energy  

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

Vectren Energy Delivery of Ohio (Gas) - Energy Star Home Rebate Vectren Energy Delivery of Ohio (Gas) - Energy Star Home Rebate Vectren Energy Delivery of Ohio offers a flat rebate to builders of residential single-family Energy Star certified homes that receive gas service from the company. In order to qualify, homes must either meet Energy Star version 2.5 standards or meet a HERS rating of 70 or less. In addition, homes must use natural gas for all space heating and water heating. Furnaces, boilers and water heaters are also offered through this program and are subject to additional efficiency requirements. October 16, 2013 Vectren Energy Delivery of Ohio (Gas) - Commercial Energy Efficiency Rebates Vectren Energy Delivery offers commercial natural gas customers in Ohio rebates for the installation of certain types of efficient natural gas

474

Saving Energy and Money at 24/7 Fire Stations | Department of Energy  

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

Saving Energy and Money at 24/7 Fire Stations Saving Energy and Money at 24/7 Fire Stations Saving Energy and Money at 24/7 Fire Stations June 28, 2010 - 11:11am Addthis Coal Creek Fire and Rescue's fire station in New Richmond, Ind. where a new furnace and air conditioner will save energy and money. | Photo courtesy of New Richmond Coal Creek Fire and Rescue's fire station in New Richmond, Ind. where a new furnace and air conditioner will save energy and money. | Photo courtesy of New Richmond What are the key facts? The Indiana Office of Energy Development received $14.1 million in EECBG grants from the American Recovery and Reinvestment Act "The fire station is a building that is in use 24 hours a day, 7 days a week, so naturally it consumes a significant amount of energy," says Molly Whitehead, grants specialist for the Indiana Office of Energy Development.

475

Single-Step Ironmaking from Ore to Improve Energy Efficiency  

SciTech Connect

The pig iron nugget process was developed as an alternative to the traditional blast furnace process by Kobe Steel. The process aimed to produce pig iron nuggets, which have similar chemical and physical properties to blast furnace pig iron, in a single step. The pig iron nugget process utilizes coal instead of coke and self reducing and fluxing dried green balls instead of pellets and sinters. In this process the environmental emissions caused by coke and sinter production, and energy lost between pellet induration (heat hardening) and transportation to the blast furnace can be eliminated. The objectives of this research were to (1) produce pig iron nuggets in the laboratory, (2) characterize the pig iron nugget produced and compare them with blast furnace pig iron, (3) investigate the furnace temperature and residence time effects on the pig iron nugget production, and (4) optimize the operational furnace temperatures and residence times. The experiments involved heat treatment of self reducing and fluxing dried green balls at various furnace temperatures and residence times. Three chemically and physically different products were produced after the compete reduction of iron oxides to iron depending on the operational furnace temperatures and/or residence times. These products were direct reduced iron (DRI), transition direct reduced iron (TDRI), and pig iron nuggets. The increase in the carbon content of the system as a function of furnace temperature and/or residence time dictated the formation of these products. The direct reduced iron, transition direct reduced iron, and pig iron nuggets produced were analyzed for their chemical composition, degree of metallization, apparent density, microstructure and microhardness. In addition, the change in the carbon content of the system with the changing furnace temperature and/or residence time was detected by optical microscopy and Microhardness measurements. The sufficient carbon dissolution required for the production of pig iron nuggets was determined. It was determined that pig iron nuggets produced had a high apparent density (6.7-7.2 gr/cm3), highly metallized, slag free structure, high iron content (95-97%), high microhardness values (> 325 HVN) and microstructure similar to white cast iron. These properties made them a competitive alternative to blast furnace pig iron.

S.K. Kawatra; B. Anamerie; T.C. Eisele

2005-10-01T23:59:59.000Z

476

Energy Blog | Department of Energy  

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

3, 2010 3, 2010 Thermostat Wars The other day, I was visiting a friend's office and noticed something you may have noticed yourself: his building had a variety of micro-climates, ranging from the furnace hot to the freezing cold. August 2, 2010 How the Recovery Act is Affecting Small Business Innovation Small businesses create nearly two of every three jobs, so supporting them is important for the economy. Over 200 small businesses in 34 states received a combined $188 million to develop clean energy technologies. August 2, 2010 New York's Energy Storage System Gets Recharged Jonathan Silver and Matt Rogers on a major breakthrough for New York state's energy storage capacity. August 2, 2010 The Skycrane at the Bonneville Power Administration For a striking glimpse of a power grid rapidly evolving to handle renewable

477

Energy Blog | Department of Energy  

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

3, 2010 3, 2010 Thermostat Wars The other day, I was visiting a friend's office and noticed something you may have noticed yourself: his building had a variety of micro-climates, ranging from the furnace hot to the freezing cold. August 2, 2010 How the Recovery Act is Affecting Small Business Innovation Small businesses create nearly two of every three jobs, so supporting them is important for the economy. Over 200 small businesses in 34 states received a combined $188 million to develop clean energy technologies. August 2, 2010 New York's Energy Storage System Gets Recharged Jonathan Silver and Matt Rogers on a major breakthrough for New York state's energy storage capacity. August 2, 2010 The Skycrane at the Bonneville Power Administration For a striking glimpse of a power grid rapidly evolving to handle renewable

478

Minnesota Power - Residential Energy Efficiency Rebate Program | Department  

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

Minnesota Power - Residential Energy Efficiency Rebate Program Minnesota Power - Residential Energy Efficiency Rebate Program Minnesota Power - Residential Energy Efficiency Rebate Program < Back Eligibility Residential Savings Category Heating & Cooling Commercial Heating & Cooling Cooling Appliances & Electronics Heating Heat Pumps Commercial Lighting Lighting Program Info State Minnesota Program Type Utility Rebate Program Rebate Amount Refrigerator Recycling: $35-$50 Refrigerator: $25 Clothes Washer: $40 mail-in rebate General Lighting: In-store discounts CFLs: $2 mail-in rebate Lighting Fixtures: $15 mail-in rebate Central AC with ECM: $300 Central AC: $50 Forced Air Furnace: $200, $50 bonus with ECM Furnace Integrated ECM with CAC: $375 Replacement Multi-Speed ECM in Furnace: $100 Geothermal Heat Pump: $100 - 200/ton up to $1,500, $250 bonus with ECM

479

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

480

MidAmerican Energy (Gas) - Residential Energy Efficiency Rebate Programs |  

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

Appliances & Electronics Appliances & Electronics Water Heating Program Info Expiration Date 12/31/2013 State Iowa Program Type Utility Rebate Program Rebate Amount Natural Gas Furnace: $250 - $400 Efficient Furnace Fan Motor: $50 Natural Gas Boiler: $150 - $400 Natural Gas Water Heater: $50 - $300 Programmable thermostat: $20 Provider MidAmerican Energy MidAmerican Energy offers a variety of incentives for residential customers to improve the energy efficiency of eligible homes. The Residential Equipment Brochure on the program web site above provides specific rebate amounts, efficiency requirements and further details. After installing qualifying equipment, customers should submit a completed Equipment Rebate Application and a detailed invoice to MidAmerican. Heating and cooling

Note: This page contains sample records for the topic "furnace recuperator energy" 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.


481

SourceGas - Energy Efficiency Programs (Arkansas) | Department of Energy  

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

SourceGas - Energy Efficiency Programs (Arkansas) SourceGas - Energy Efficiency Programs (Arkansas) SourceGas - Energy Efficiency Programs (Arkansas) < Back Eligibility Commercial Industrial Residential Savings Category Heating & Cooling Commercial Heating & Cooling Heating Other Appliances & Electronics Water Heating Maximum Rebate See program web site Program Info State Arkansas Program Type Utility Rebate Program Rebate Amount $500 mail-in rebate incentive for a tankless water heater, 82% EF or higher or a condensing type water heater with a 90% EF or higher. $50 mail-in rebate incentive for a storage tank water heater, 62% EF or higher (not available for commercial customers in Fayetteville, AR). $400 mail-in rebate incentive for natural gas forced air furnaces, 90% to 94.9% AFUE. $600 mail-in rebate incentive for natural gas forced air furnaces, 95% AFUE

482

Residential Rewards Program | Department of Energy  

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

Rewards Program Rewards Program Residential Rewards Program < Back Eligibility Multi-Family Residential Residential Savings Category Heating & Cooling Commercial Heating & Cooling Heating Heat Pumps Appliances & Electronics Water Heating Program Info Funding Source Focus On Energy Program Expiration Date 12/31/2013 State Wisconsin Program Type State Rebate Program Rebate Amount Furnace (90% AFUE with ECM): $125 Furnace (95% AFUE with ECM): $275 Furnace (95% AFUE with ECM) and AC (16 SEER): $400 Air Source Heat Pump (16 SEER): $300 Natural gas space heating boiler (90% AFUE): $300 Natural gas space heating boiler (95% AFUE): $400 Indirect Water Heater (with high efficiency space heating boiler): $100 Tankless Water Heater (0.82 EF or higher): $100 Storage Water Heater (0.67 EF or higher): $50

483