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Note: This page contains sample records for the topic "home furnaces ranges" from the National Library of EnergyBeta (NLEBeta).
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We encourage you to perform a real-time search of NLEBeta
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1

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 (OSTI)

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

2

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

SciTech Connect (OSTI)

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

3

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

SciTech Connect (OSTI)

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

4

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

E-Print Network [OSTI]

develop condensing gas storage water heaters to qualify forgas furnace and gas storage water heater. This study focusesis predominantly storage water heaters. Regionally, gas-

Lekov, Alex

2011-01-01T23:59:59.000Z

5

Home, Home (Video) on the Range: Reflections on Small-Town Video Stores in 2010  

E-Print Network [OSTI]

theory, and practices of video culture in the United States.Home, Home (Video) on the RangeReflections on Small-Town Video Stores in 2010 Daniel

Herbert, Daniel

2010-01-01T23:59:59.000Z

6

africana home ranges: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

management), power line (line connecting to multiple homes, routers can be shared. Home 1 Smart meter Utility Wang, Yubo 2012-01-01 105 LEED for Homes Program Review CiteSeer...

7

Building America Whole-House Solutions for New Homes: Hydronic Heating Coil Versus Propane Furnace (Fact Sheet)  

Broader source: Energy.gov [DOE]

In this project involving two homes, the IBACOS team evaluated the performance of the two space conditioning systems and the modeled efficiency of the two tankless domestic hot water systems relative to actual occupant use.

8

Research article Factors influencing female home range sizes in elk (Cervus elaphus)  

E-Print Network [OSTI]

range sizes in relation to the quantity and spatial heterogeneity of forage biomass, forest cover between forage biomass and summer and winter home range sizes in Alberta and Wisconsin, however

Turner, Monica G.

9

Furnaces | Open Energy Information  

Open Energy Info (EERE)

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10

Home Range, habitat use and survival of coyotes in Western South Carolina.  

SciTech Connect (OSTI)

ABSTRACT.—Home range size, habitat use and survival of coyotes are variable throughout their range. Because coyotes have recently become established in South Carolina, we investigated their spatial distribution, habitat use and mortality on the Savannah River Site (SRS) in western South Carolina, USA. Annual survival for adult coyotes on the SRS was 0.658. Off-site trapping and shooting accounted for 60% of mortality. Home ranges averaged 30.5 km2 and 31.85 km2 by the 95% minimum convex polygon and 95% fixed kernel methods, respectively. We detected no difference in home ranges size between males and females. Intraspecific home range overlap averaged 22.4%, excluding mated pair interactions, with 87.5% of coyotes sharing their home range with one or more individuals. Coyotes selected home ranges containing higher proportions of early successional habitat than was available on the landscape. Core areas likewise contained a greater proportion of early successional habitat than available in the animal’s home range.

Schrecengost, Joshua, D.; Kilgo, John, C.; Ray, H., Scott; Miller, Karl, V.

2009-01-01T23:59:59.000Z

11

Effects of Habitat Composition, Quality and Breaks on Home Ranges of Exploited Nearshore Reef Fishes  

E-Print Network [OSTI]

these edge areas while kelp bass seemed to have a distinctSemicossyphus pulcher), kelp bass (Paralabrax clathratus),that the home range size of kelp bass is about 3,250 square

Lowe, Chris; Caselle, Jennifer

2008-01-01T23:59:59.000Z

12

New Behavioral Insights Into Home Range Orientation of the House Mouse (Mus musculus)  

E-Print Network [OSTI]

Home-range orientation is a necessity for an animal that maintains an area of daily activity. The ability to navigate efficiently among goals not perceived at the starting point requires the animal to rely on place recognition ...

Alexander, Blythe Elizabeth

2011-05-06T23:59:59.000Z

13

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

14

Seasonal movement, home range, and habitat use of river otter in Southeastern Texas  

E-Print Network [OSTI]

Adult 208 54 a Season 6. 09 0. 0006 Winter 28 114 a Spring Summer 20 132 51 b 42 b Fall 122 60 b Diel Period Morning crepuscular 48 90 a 2. 62 0. 0503 Day 79 54 b Evening crepuscular 67 47 b Night 108 49 b 1 Means with the same letter... with decreasing temperature. Male home ranges averaged 400 ha while females averaged 295 ha. A significant difference between male and female home range size could be shown only when data for 1 old female was removed from the analysis. This animal was thought...

Foy, Michael Kerry

1984-01-01T23:59:59.000Z

15

CHARACTERISTICS OF RANGE HOODS IN CALIFORNIA HOMES DATA COLLECTED FROM A REAL ESTATE WEB SITE  

SciTech Connect (OSTI)

Venting range hoods are important residential ventilation components that remove pollutants generated by cooking activities and natural gas cooking burners. To address the lack of data on range hood installations in California, we conducted a survey by examining photographs of homes for sale or rent listed on a popular real estate web site. The survey was conducted in November 2010 and April–May 2011. Posted photos of the homes were reviewed to determine if a hood was installed, the type of hood, and two installation details that can impact performance, namely the height above the cooktop and the degree to which the hood covers the cooktop burners. We additionally collected information about the homes, including asking price for purchase or rent, type of building (e.g. detached house, townhouse or apartment), building age, floor area, and cooktop fuel type. Listings were first sampled to focus on homes built since 2005, then randomly sampled to include varied prices and locations around the state. Data were obtained for 1002 homes built between 1865 and 2011 (median year built 1989). Homes for sale varied in asking price from $16,000 to $16,500,000 (median $353,000) and homes for rent varied from $500 to $25,000 (median $2125) per month. Approximately 74% of the sample had natural gas cooktops. In this sample, natural gas cooktops were more prevalent in more expensive homes than in less expensive homes. Across the entire sample, 7.4 % appeared to have no hood installed, 33% had a short hood, 13% had a deep hood and 47% had a microwave over the range. The percentage of these hoods that vent to the outdoors could not be determined. Hood type was related to coverage of the cooktop. For deep hoods, 76% appeared to cover most or all of the cooktop burners. For short hoods, 70% covered about three quarters of the cooktop. And for microwaves the vast majority (96%) covered the back burners but not the front burners. Hood type was also correlated with asking price or monthly rent, with deep hoods most common in the most expensive homes. Hood type was also correlated with home age, with microwave hoods more common in newer homes. Installation height was related to device type with microwaves installed lower (closer) to the cooktop (median 18 inches), and short hoods (median 28 inches) and deep hoods (median 30 inches) installed higher. Deep range hoods are more common with natural gas cooktops than with electric cooktops, and slightly fewer homes with natural gas cooktops lack a range hood (7%) than homes with electric cooktops (9%). This study provides limited but useful information about the characteristics of range hoods in California homes and demonstrates the potential value of non-traditional forms of data collection.

Klug, Victoria; Singer, Brett; Bedrosian, Tod; DCruz, Chris

2011-09-02T23:59:59.000Z

16

Cupola Furnace Computer Process Model  

SciTech Connect (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

17

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Note: This page contains sample records for the topic "home furnaces ranges" 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

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22

Replacement, Variable-Speed Motors for Furnaces, Syracuse, New York (Fact Sheet), Building America Case Study: Technology Solutions for New and Existing Homes, Building Technologies Office (BTO)  

Energy Savers [EERE]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Office of Inspector GeneralDepartment of Energy fromComments on NBPSitingPresentationEnergyReplacement of

23

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Note: This page contains sample records for the topic "home furnaces ranges" 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

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42

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43

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Note: This page contains sample records for the topic "home furnaces ranges" 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
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61

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62

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67

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Home  

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70

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71

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72

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)  

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

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73

Hydronic Heating Coil Versus Propane Furnace, Rehoboth Beach, Delaware (Fact Sheet), Building America Case Study: Whole-House Solutions for New Homes, Building Technologies Office (BTO)  

Broader source: Energy.gov (indexed) [DOE]

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74

Furnaces Data | Department of Energy  

Office of Environmental Management (EM)

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75

Heat treatment furnace  

DOE Patents [OSTI]

A furnace heats through both infrared radiation and convective air utilizing an infrared/purge gas design that enables improved temperature control to enable more uniform treatment of workpieces. The furnace utilizes lamps, the electrical end connections of which are located in an enclosure outside the furnace chamber, with the lamps extending into the furnace chamber through openings in the wall of the chamber. The enclosure is purged with gas, which gas flows from the enclosure into the furnace chamber via the openings in the wall of the chamber so that the gas flows above and around the lamps and is heated to form a convective mechanism in heating parts.

Seals, Roland D; Parrott, Jeffrey G; DeMint, Paul D; Finney, Kevin R; Blue, Charles T

2014-10-21T23:59:59.000Z

76

Heat Pump Water Heaters and American Homes: A Good Fit?  

E-Print Network [OSTI]

the indirect increase in home heating (and the decrease inincrease the home’s heating load in the heating season (Heaters, Direct Heating Equipment, Mobile Home Furnaces,

Franco, Victor

2011-01-01T23:59:59.000Z

77

High productivity in Australian blast furnaces  

SciTech Connect (OSTI)

Since the emergence of the Australian domestic economy from recession in 1992, the productivity of BHP`s blast furnace has increased significantly to meet the demands of both domestic and export markets. BHP Steel operates six blast furnaces at its three Australian integrated plants. These furnaces vary widely in their size, feed, technology and current campaign status. This paper reviews the principal issues associated with productivity improvements over recent years. These gains have been achieved through activities associated with a wide range of process, equipment and human resource based issues.

Nightingale, R.J.; Mellor, D.G. [BHP Slab and Plate Products Div., Port Kembla, New South Wales (Australia); Jelenich, L. [BHP Rod and Bar Products Div., Newcastle, New South Wales (Australia); Ward, R.F. [BHP Long Products Div., Whyalla, South Australia (Australia)

1995-12-01T23:59:59.000Z

78

Trends in furnace control  

SciTech Connect (OSTI)

This paper relates Italimpianti's experiences over the past few years in the area of control of reheat furnaces for the steel industry. The focus is on the level 1 area; specifically on the use of PLC-based systems to perform both combustion control and mechanical/hydraulic control. Some topics to be discussed are: overview of reheat furnace control system requirements; PLC only control vs separate PLC and DCS systems; PLC hardware requirements; man machine interface (MMI) requirements; purge, light-on and safety logic; implementation of more sophisticated level 1 control algorithms; furnace temperature optimization: look up tables vs full thermal modeling; and recent trends including integrated PLC/DCS system.

McDonald, T.J.; Keefe, M.D. (Italimpianti of America, Inc., Coraopolis, PA (United States). Instrumentation and Controls Dept.)

1993-07-01T23:59:59.000Z

79

Benefits of ceramic fiber for saving energy in reheat furnaces  

SciTech Connect (OSTI)

Refractory ceramic fiber products offer thermal insulation investment in reheat furnaces by helping to keep operating cost low and product quality high. These products are used in a range of applications that include: furnace linings; charge and discharge door insulation; skidpipe insulation; and furnace repair and maintenance. The many product forms (blankets, modules, boards, textiles, and coatings) provide several key benefits: faster cycling, energy savings and personnel protection.

Norris, A. (Carborundum Co., Niagara Falls, NY (United States))

1993-07-01T23:59:59.000Z

80

List of Furnaces Incentives | Open Energy Information  

Open Energy Info (EERE)

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Note: This page contains sample records for the topic "home furnaces ranges" 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

Improved graphite furnace atomizer  

DOE Patents [OSTI]

A graphite furnace atomizer for use in graphite furnace atomic absorption spectroscopy is described wherein the heating elements are affixed near the optical path and away from the point of sample deposition, so that when the sample is volatilized the spectroscopic temperature at the optical path is at least that of the volatilization temperature, whereby analyteconcomitant complex formation is advantageously reduced. The atomizer may be elongated along its axis to increase the distance between the optical path and the sample deposition point. Also, the atomizer may be elongated along the axis of the optical path, whereby its analytical sensitivity is greatly increased.

Siemer, D.D.

1983-05-18T23:59:59.000Z

82

Residential Furnace Blower Performance  

E-Print Network [OSTI]

conditioner performance1 , standby power, as well as igniter and combustion air blower power. Energy savings for a typical three-and-a-half ton air conditioner with typical California ducts are 45 kWh. Peak demand combinations of blowers and residential furnaces were tested for air moving performance. The laboratory test

83

Coke oven gas injection to blast furnaces  

SciTech Connect (OSTI)

U.S. Steel has three major facilities remaining in Pennsylvania`s Mon Valley near Pittsburgh. The Clairton Coke Works operates 12 batteries which produce 4.7 million tons of coke annually. The Edgar Thomson Works in Braddock is a 2.7 million ton per year steel plant. Irvin Works in Dravosburg has a hot strip mill and a range of finishing facilities. The coke works produces 120 mmscfd of coke oven gas in excess of the battery heating requirements. This surplus gas is used primarily in steel re-heating furnaces and for boiler fuel to produce steam for plant use. In conjunction with blast furnace gas, it is also used for power generation of up to 90 MW. However, matching the consumption with the production of gas has proved to be difficult. Consequently, surplus gas has been flared at rates of up to 50 mmscfd, totaling 400 mmscf in several months. By 1993, several changes in key conditions provided the impetus to install equipment to inject coke oven gas into the blast furnaces. This paper describes the planning and implementation of a project to replace natural gas in the furnaces with coke oven gas. It involved replacement of 7 miles of pipeline between the coking plants and the blast furnaces, equipment capable of compressing coke oven gas from 10 to 50 psig, and installation of electrical and control systems to deliver gas as demanded.

Maddalena, F.L.; Terza, R.R.; Sobek, T.F.; Myklebust, K.L. [U.S. Steel, Clairton, PA (United States)

1995-12-01T23:59:59.000Z

84

Furnace and Boiler Basics | Department of Energy  

Office of Environmental Management (EM)

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85

Furnace Litigation Settled | Department of Energy  

Office of Environmental Management (EM)

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86

Building America Whole-House Solutions for New Homes: Hydronic...  

Broader source: Energy.gov (indexed) [DOE]

Building America Whole-House Solutions for New Homes: Hydronic Heating Coil Versus Propane Furnace (Fact Sheet) Building America Whole-House Solutions for New Homes: Hydronic...

87

Building Energy Simulation Test for Existing Homes (BESTEST-EX): Instructions for Implementing the Test Procedure, Calibration Test Reference Results, and Example Acceptance-Range Criteria  

SciTech Connect (OSTI)

This publication summarizes building energy simulation test for existing homes (BESTEST-EX): instructions for implementing the test procedure, calibration tests reference results, and example acceptance-range criteria.

Judkoff, R.; Polly, B.; Bianchi, M.; Neymark, J.; Kennedy, M.

2011-08-01T23:59:59.000Z

88

Modulating furnace and zoned-heating system development. Final report, July 1987-December 1989  

SciTech Connect (OSTI)

The report describes an experimental modulating furnace and a zoned warm air heating system for use in residences. The system was installed and tested at the National Association of Home Builders' (NAHB) SMART HOUSE in Bowie, Maryland. The key features of this system include: (1) continuous modulation of firing rate and supply air over a wide range, (2) closed-loop control to maintain a desired supply air flow under varying system resistances, (3) continuous modulation of combustion air to maintain efficiency, (4) a proportional-integral control algorithm operating on measured temperatures and set points in each zone to set the furnace firing rate, (5) low-cost on/off dampers to direct air flow to those zones calling for heat, and (6) a single microprocessor-based controller that integrates all aspects of the system.

Feldman, S.J.

1991-01-01T23:59:59.000Z

89

Non-carbon induction furnace  

DOE Patents [OSTI]

The present invention is directed to an induction furnace for melting and casting highly pure metals and alloys such as uranium and uranium alloys in such a manner as to minimize contamination of the melt by carbon derived from the materials and the environment within the furnace. The subject furnace is constructed of non-carbon materials and is housed within a conventional vacuum chamber. The furnace comprises a ceramic oxide crucible for holding the charge of metal or alloys. The heating of the crucible is achieved by a plasma-sprayed tungsten susceptor surrounding the crucible which, in turn, is heated by an rf induction coil separated from the susceptor by a cylinder of inorganic insulation. The furnace of the present invention is capable of being rapidly cycled from ambient temperatures to about 1650/sup 0/C for effectively melting uranium and uranium alloys without the attendant carbon contamination problems previously encountered when using carbon-bearing furnace materials.

Holcombe, C.E.; Masters, D.R.; Pfeiler, W.A.

1984-01-06T23:59:59.000Z

90

Blast furnace taphole drill  

SciTech Connect (OSTI)

A blast furnace taphole drill has a flaring head with cutting edges at its cutting end formed by intersecting angled faces. A central bore carries cleaning air to the cutting end. To prevent blockage of the cleaning air bore by debris and possible jamming of the drill, the head has deep radial grooves formed at the bottoms of the valley shapes between the cutting edges. The grooves extend radially from the air bore and conduct the air so that it can get behind or under jammed debris. Reduced taphole drilling times can be achieved.

Gozeling, J.A.; de Boer, S.; Spiering, A.A.

1984-06-26T23:59:59.000Z

91

Two chamber reaction furnace  

DOE Patents [OSTI]

A vertical two chamber reaction furnace. 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.degree. and 800.degree. C.) on TBCCO or BCCO tape or wire (the second reactant) at its simultaneous annealing temperature in the upper chamber of about 800.degree. to 950.degree. 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.

Blaugher, Richard D. (Evergreen, CO)

1998-05-05T23:59:59.000Z

92

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

93

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

94

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

95

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

96

Paired Straight Hearth Furnace  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion | Department ofT ib l L d F SSalesOE0000652 Srivastava,Pacific1of Page Thisnew

97

Rebuilding of Rautaruukki blast furnaces  

SciTech Connect (OSTI)

Rautaruukki Oy Raahe Steel rebuilt its blast furnaces in 1995 (BF1) and 1996 (BF2) after 10 year campaigns and production of 9,747 THM/m{sup 3} (303 NTHM/ft{sup 3}) and 9,535 THM/m{sup 3} (297 NTHM/ft{sup 3}), respectively. At the end of the campaigns, damaged cooling system and shell cracks were increasingly disturbing the availability of furnaces. The goal for rebuilding was to improve the cooling systems and refractory quality in order to attain a 15 year campaign. The furnaces were slightly enlarged to meet the future production demand. The blast furnace control rooms and operations were centralized and the automation and instrumentation level was considerably improved in order to improve the operation efficiency and to reduce manpower requirements. Investments in direct slag granulation and improved casthouse dedusting improved environmental protection. The paper describes the rebuilding.

Kallo, S.; Pisilae, E.; Ojala, K. [Rautaruukki Oy Raahe Steel (Finland)

1997-12-31T23:59:59.000Z

98

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

99

Steam Cracker Furnace Energy Improvements  

E-Print Network [OSTI]

Channel, ~ 25 mi. east of Houston ? Includes 4 manufacturing sites, 2 technology/engineering offices ?Significant community involvement Baytown Refinery Page 4 Steam Cracking to Olefins ? Process 60+ years old; ExxonMobil one of pioneers... Steam Cracker Furnace Energy Improvements Tim Gandler Energy Coordinator Baytown Olefins Plant, Baytown Tx 2010 Industrial Energy Technology Conference May, 2010 Page 2 ? Baytown Complex ? Steam Cracking to Olefins ? Furnace overview...

Gandler, T.

100

Covered Product Category: Residential Gas Furnaces | Department of Energy  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:Year in Review: Top FiveDepartmentfor EngineeringDepartment ofBoilersDataHotofFurnaces Covered

Note: This page contains sample records for the topic "home furnaces ranges" 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

Variable frequency microwave furnace system  

DOE Patents [OSTI]

A variable frequency microwave furnace system (10) designed to allow modulation of the frequency of the microwaves introduced into a furnace cavity (34) for testing or other selected applications. The variable frequency microwave furnace system (10) includes a microwave signal generator (12) or microwave voltage-controlled oscillator (14) for generating a low-power microwave signal for input to the microwave furnace. A first amplifier (18) may be provided to amplify the magnitude of the signal output from the microwave signal generator (12) or the microwave voltage-controlled oscillator (14). A second amplifier (20) is provided for processing the signal output by the first amplifier (18). The second amplifier (20) outputs the microwave signal input to the furnace cavity (34). In the preferred embodiment, the second amplifier (20) is a traveling-wave tube (TWT). A power supply (22) is provided for operation of the second amplifier (20). A directional coupler (24) is provided for detecting the direction of a signal and further directing the signal depending on the detected direction. A first power meter (30) is provided for measuring the power delivered to the microwave furnace (32). A second power meter (26) detects the magnitude of reflected power. Reflected power is dissipated in the reflected power load (28).

Bible, Don W. (Clinton, TN); Lauf, Robert J. (Oak Ridge, TN)

1994-01-01T23:59:59.000Z

102

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

103

Cascade Natural Gas- Conservation Incentives for Existing Homes  

Broader source: Energy.gov [DOE]

Cascade Natural Gas offers a variety of incentives to residential customers for making energy efficiency improvements to existing homes. Eligible equipment includes furnaces, water heaters,...

104

Building America Technlogy Solutions for New and Existing Homes...  

Energy Savers [EERE]

Improving the Field Performance of Natural Gas Furnaces, Chicago, Illinois (Fact Sheet) Building America Technlogy Solutions for New and Existing Homes: Improving the Field...

105

Laboratory Evaluation of Residential Furnace BlowerPerformance  

SciTech Connect (OSTI)

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

106

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 (OSTI)

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

107

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

E-Print Network [OSTI]

of the total electricity consumption by BPM furnaces. Thisbecause furnace electricity consumption is significant.of furnace electricity consumption. Therefore, accurate

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

2006-01-01T23:59:59.000Z

108

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

109

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

E-Print Network [OSTI]

standby power consumption in BPM furnaces is significantlytotal electricity consumption by BPM furnaces. This is notOverall, it appears the BPM motors used in furnaces offer

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

2006-01-01T23:59:59.000Z

110

Furnace Blower Electricity: National and Regional Savings Potential  

SciTech Connect (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

111

Cement advanced furnace and process  

SciTech Connect (OSTI)

This patent describes a suspension shaft furnace for producing discrete cement clinkers from discrete pellets of cement-forming batch materials which are gravity-migrated therethrough. It comprises a vertical furnace housing enclosing a top pellet-feeding and preheating zone comprising an elongate vertical shaft section opening into an intermediate fluidized bed section comprising fuel inlet conduits, an air-permeable clinker-impermeable support; a lower clinker-cooling section beneath the fluidized bed section; clinker-discharge means communicating between the fluidized bed section and the cooling section and air inlet means.

Litka, A.F.; Cohen, S.M.

1992-06-02T23:59:59.000Z

112

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...

O'Brien, T.

2008-01-01T23:59:59.000Z

113

Effect of Combustion Air Preheat on a Forged Furnace Productivity  

E-Print Network [OSTI]

to determine are the effects of combustion air preheat on four additional furnace operating characteristics. These characteristics are: (1) fuel utilization of a furnace operating cycle; (2) time to heat the furnace load; (3) scale production; and (4) furnace...

Ward, M. E.; Bohn, J.; Davis, S. R.; Knowles, D.

1984-01-01T23:59:59.000Z

114

Comparing Residential Furnace Blowers for  

E-Print Network [OSTI]

of air conditioner performance, standby power, as well as igniter and combustion air blower power results in 10% lower air conditioner efficiency. For heating, the advantage of the BPM blower was to assess the performance of residential furnace blowers for both heating, cooling and air distribution

115

Furnace Blower Electricity: National and Regional Savings Potential  

E-Print Network [OSTI]

Currently, total electricity consumption of furnaces isthe total furnace electricity consumption and are primarilyto calculate the electricity consumption during cooling

Franco, Victor; Florida Solar Energy Center

2008-01-01T23:59:59.000Z

116

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

SciTech Connect (OSTI)

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

117

Process control techniques at the blast furnaces of Thyssen Stahl AG  

SciTech Connect (OSTI)

Process improvements, capacity increases and the use of modern measuring and process control techniques have helped to ensure that the blast furnace will remain an indispensable means of supplying steelworks with hot metal until well into the next century. The survival of a future-oriented company such as Thyssen Stahl AG depends on long-term improvements in economic viability. Today, Thyssen Stahl AG operates two blast furnace plants comprising a total of five blast furnaces with hearth diameters ranging from 9.3 to 14.9m. This choice of furnaces permits flexible adjustment to changing workload situations and enables about ten million tons of hot metal to be produced each year. The wide range of measuring devices specially fitted on Schwelgern blast furnace No. 1 made a vital contribution to the development of blast furnace models. The purpose of these models was to make a general assessment of the state of the furnace and so create an objective basis for furnace operation. The paper describes the development of these measuring techniques and process model and the application of the model.

Kowalski, W.; Bachhofen, H.J.; Beppler, E.; Kreibich, K.; Muelheims, K.; Peters, M.; Wieters, C.U. [Thyssen Stahl AG, Duisburg (Germany)

1995-12-01T23:59:59.000Z

118

Direct current, closed furnace silicon technology  

SciTech Connect (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

119

Energy 101: Home Energy Assessment  

ScienceCinema (OSTI)

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. You can also do some of the steps yourself. Items shown here include checking for leaks, examining insulation, inspecting the furnace and ductwork, performing a blower door test and using an infrared camera.

None

2013-05-29T23:59:59.000Z

120

Energy 101: Home Energy Assessment  

SciTech Connect (OSTI)

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. You can also do some of the steps yourself. Items shown here include checking for leaks, examining insulation, inspecting the furnace and ductwork, performing a blower door test and using an infrared camera.

None

2010-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "home furnaces ranges" 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

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

122

Crystal growth furnace with trap doors  

DOE Patents [OSTI]

An improved furnace is provided for growing crystalline bodies from a melt. The improved furnace is characterized by a door assembly which is remotely controlled and is arranged so as to selectively shut off or permit communication between an access port in the furnace enclosure and a hot zone within that enclosure. The invention is especially adapted to facilitate use of crystal growing cartridges of the type disclosed in U.S. Pat. No. 4,118,197.

Sachs, Emanual M. (Watertown, MA); Mackintosh, Brian H. (Lexington, MA)

1982-06-15T23:59:59.000Z

123

Measurement of airflow in residential furnaces  

SciTech Connect (OSTI)

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

124

BPM Motors in Residential Gas Furnaces: What are theSavings?  

SciTech Connect (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

125

Impact of Natural Gas Appliances on Pollutant Levels in California Homes  

E-Print Network [OSTI]

used to power your water heater? a. Natural Gas b. Propaneranges, furnaces and water heaters. The most common gasof gas heaters or water heaters within the home (indicating

Mullen, Nasim A.

2014-01-01T23:59:59.000Z

126

Vertical two chamber reaction furnace  

DOE Patents [OSTI]

A vertical two chamber reaction furnace. 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.degree. and 800.degree. C.) on TBCCO or BCCO tape or wire (the second reactant) at its simultaneous annealing temperature in the upper chamber of about 800.degree. to 950.degree. 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.

Blaugher, Richard D. (Evergreen, CO)

1999-03-16T23:59:59.000Z

127

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...

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

128

Blast furnace injection of massive quantities of coal with enriched air or pure oxygen  

SciTech Connect (OSTI)

An extensive study of the phenomena associated with the blast furnace injection of massive quantities of coal is described. Trials with conventional lances or oxy-coal injectors and hot blast at different oxygen contents - up to 40% - or with cold pure oxygen were realized at coal to oxygen ratios corresponding to a range of 150 to 440 kg. Pilot scale rigs, empty or filled with coke, as well as industrial blast furnaces were utilized.

Ponghis, N.; Dufresne, P.; Vidal, R.; Poos, A. (Center de Recherches Metallurgiques, Liege (Belgium))

1993-01-01T23:59:59.000Z

129

Existing and prospective blast-furnace conditions  

SciTech Connect (OSTI)

Blast-furnace conditions are investigated by means of a multizone model. The expected performance of prospective technologies is assessed, as well as the trends in blast-furnace processes. The model permits the identification of means of overcoming practical difficulties.

I.G. Tovarovskii; V.I. Bol'shakov; V.P. Lyalyuk; A.E. Merkulov; D. V. Pinchuk [Ukrainian Academy of Sciences, Dnepropetrovsk (Ukraine). Institute of Ferrous Metallurgy

2009-07-15T23:59:59.000Z

130

Thermal Imaging Control of Furnaces and Combustors  

SciTech Connect (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

131

Optical cavity furnace for semiconductor wafer processing  

DOE Patents [OSTI]

An optical cavity furnace 10 having multiple optical energy sources 12 associated with an optical cavity 18 of the furnace. The multiple optical energy sources 12 may be lamps or other devices suitable for producing an appropriate level of optical energy. The optical cavity furnace 10 may also include one or more reflectors 14 and one or more walls 16 associated with the optical energy sources 12 such that the reflectors 14 and walls 16 define the optical cavity 18. The walls 16 may have any desired configuration or shape to enhance operation of the furnace as an optical cavity 18. The optical energy sources 12 may be positioned at any location with respect to the reflectors 14 and walls defining the optical cavity. The optical cavity furnace 10 may further include a semiconductor wafer transport system 22 for transporting one or more semiconductor wafers 20 through the optical cavity.

Sopori, Bhushan L.

2014-08-05T23:59:59.000Z

132

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

Open Energy Info (EERE)

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

133

DOE Publishes Notice of Proposed Rulemaking for Residential Furnace...  

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

Furnace Fans Energy Conservation Standards DOE Publishes Notice of Proposed Rulemaking for Residential Furnace Fans Energy Conservation Standards October 25, 2013 - 12:00am Addthis...

134

Optimizing Blast Furnace Operation to Increase Efficiency and...  

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

Optimizing Blast Furnace Operation to Increase Efficiency and Lower Costs Optimizing Blast Furnace Operation to Increase Efficiency and Lower Costs cfdblastfurnace.pdf More...

135

Furnace Standard Analysis Discussion Document  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:YearRound-UpHeatMulti-Dimensional ElectricalEnergyQualityAUGUSTPart 3 of3.2.103 Fungal6

136

Energy 101: Home Energy Assessment | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

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...

137

Building America Whole-House Solutions for New Homes: Schneider...  

Broader source: Energy.gov (indexed) [DOE]

who worked with Building America research partner WSU Extension Energy Office to design HERS 65 homes with high-efficiency furnaces in an air- sealed garage closet with ducts in...

138

Blast furnace supervision and control system  

SciTech Connect (OSTI)

On December 1992, a group of companies headed by Techint, took over Somisa, the state-owned integrated steel plant located at San Nicolas, Province of Buenos Aires, Argentina, culminating an ambitious government privatization scheme. The blast furnace 2 went into a full reconstruction and relining in January 1995. After a 140 MU$ investment the new blast furnace 2 was started in September 1995. After more than one year of operation of the blast furnace the system has proven itself useful and reliable. The main reasons for the success of the system are: same use interface for all blast furnace areas -- operation, process, maintenance and management, (full horizontal and vertical integration); and full accessibility to all information and process tools though some restrictions apply to field commands (people empowerment). The paper describes the central system.

Remorino, M.; Lingiardi, O.; Zecchi, M. [Siderar S.A.I.C./Ingdesi, San Nicolas (Argentina)

1997-12-31T23:59:59.000Z

139

A consortium approach to glass furnace modeling.  

SciTech Connect (OSTI)

Using computational fluid dynamics to model a glass furnace is a difficult task for any one glass company, laboratory, or university to accomplish. The task of building a computational model of the furnace requires knowledge and experience in modeling two dissimilar regimes (the combustion space and the liquid glass bath), along with the skill necessary to couple these two regimes. Also, a detailed set of experimental data is needed in order to evaluate the output of the code to ensure that the code is providing proper results. Since all these diverse skills are not present in any one research institution, a consortium was formed between Argonne National Laboratory, Purdue University, Mississippi State University, and five glass companies in order to marshal these skills into one three-year program. The objective of this program is to develop a fully coupled, validated simulation of a glass melting furnace that may be used by industry to optimize the performance of existing furnaces.

Chang, S.-L.; Golchert, B.; Petrick, M.

1999-04-20T23:59:59.000Z

140

Energy Assessment Protocol for Glass Furnaces  

E-Print Network [OSTI]

The Department of Energy funded development of a methodology that could be used by glass producers to increase furnace efficiency, and that could serve as a model for other energy-intensive industries. Accordingly, a team comprising PPG Industries...

Plodinec, M. J.; Kauffman, B. M.; Norton, O. P.; Richards, C.; Connors, J.; Wishnick, D.

2005-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "home furnaces ranges" 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

Optimized Design of a Furnace Cooling System  

E-Print Network [OSTI]

-evaluate the dynamics of heat transfer for a key piece of industrial equipment, a sintering furnace. The goal is to optimize furnace operations to relieve an operations bottleneck for a tungsten carbide drill nozzle production facility. In light of plans to mitigate... convection are the radiation shield and the inner chamber door. 2) Analysis Preliminary analysis and calculations have been made to determine the impact of increased convection. This was done by creating a theoretical spherical mass of tungsten carbide...

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

2013-01-01T23:59:59.000Z

142

AGA/APGA Questions re Furnace NOPR, EERE-2014-BT-STD-0031 | Department of  

Energy Savers [EERE]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion |Energyon ArmedWaste and Materials2014 ChiefEnergy Furnace NOPR, EERE-2014-BT-STD-0031

143

Sandia National Laboratories: Solar Furnace  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 -theErikGroundbreaking WorkTransformationSitingMolten Salt Test LoopGridthe

144

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

SciTech Connect (OSTI)

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

145

Continuous austempering fluidized bed furnace. Final report  

SciTech Connect (OSTI)

The intended objective of this project was to show the benefits of using a fluidized bed furnace for austenitizing and austempering of steel castings in a continuous manner. The division of responsibilities was as follows: (1) design of the fluidized bed furnace--Kemp Development Corporation; (2) fabrication of the fluidized bed furnace--Quality Electric Steel, Inc.; (3) procedure for austempering of steel castings, analysis of the results after austempering--Texas A and M University (Texas Engineering Experiment Station). The Department of Energy provided funding to Texas A and M University and Kemp Development Corporation. The responsibility of Quality Electric Steel was to fabricate the fluidized bed, make test castings and perform austempering of the steel castings in the fluidized bed, at their own expense. The project goals had to be reviewed several times due to financial constraints and technical difficulties encountered during the course of the project. The modifications made and the associated events are listed in chronological order.

Srinivasan, M.N. [Lamar Univ., Beaumont, TX (United States). Dept. of Mechanical Engineering] [Lamar Univ., Beaumont, TX (United States). Dept. of Mechanical Engineering

1997-09-23T23:59:59.000Z

146

Blast furnace control after the year 2000  

SciTech Connect (OSTI)

Rapid technical development together with developments in work organization makes it important to investigate possible ways to achieve a cost efficient process control of different metallurgical processes. This paper describes a research project, and proposes a human oriented Information Technology Strategy, ITS, for control of the Blast Furnace process. The method used is that of deductive reasoning from a description of the prevailing technological level and experiences from various development activities. The paper is based on experiences from the No. 2 Blast Furnace at Luleaa Works but the conclusions do not at this stage necessarily reflect the opinion of the management and personnel or reflect their intentions for system development at SSAB.

Gyllenram, R.; Wikstroem, J.O. [MEFOS, Luleaa (Sweden); Hallin, M. [SSAB Tunnplaat AB, Luleaa (Sweden)

1996-12-31T23:59:59.000Z

147

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

148

Measure Guideline: High Efficiency Natural Gas Furnaces  

SciTech Connect (OSTI)

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

149

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 (Raymond A.)

2011-01-01T23:59:59.000Z

150

DOE Publishes Final Rule for Residential Furnace Fan Test Procedure...  

Broader source: Energy.gov (indexed) [DOE]

Residential Furnace Fan Test Procedure DOE Publishes Final Rule for Residential Furnace Fan Test Procedure January 3, 2014 - 12:00am Addthis The Department of Energy (DOE) has...

151

Furnace Blower Electricity: National and Regional Savings Potential  

E-Print Network [OSTI]

Solar Energy Center ABSTRACT Currently, total electricity consumption of furnacesFurnace Blower Electricity: National and Regional Savings Potential Victor Franco, James Lutz, Alex Lekov, and Lixing Gu (Florida Solar

Franco, Victor; Florida Solar Energy Center

2008-01-01T23:59:59.000Z

152

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

E-Print Network [OSTI]

of two-stage furnaces with BPM motors provides electricityof two-stage furnaces with BPM motors provides electricityPSC) and brushless permanent magnet (BPM) 1 . PSC motors are

Lekov, Alex; Franco, Victor; Lutz, James

2006-01-01T23:59:59.000Z

153

Heat Recovery From Arc Furnaces Using Water Cooled Panels  

E-Print Network [OSTI]

HEAT RECOVERY FROM ARC FURNACES USING WATER COOLED PANELS D. F. Darby Deere & Company Moline, Illinois ABSTRACT In 1980-81, the John Deere Foundry at East Moline underwent an expansion program that in creased its capacity by over 60...%. This expansion was centered around the melt department where the four existing 13MVA electric arc furnaces were augmented with two additional 13MVA arc furnaces. A waste heat recovery system was installed on all six of the arc furnaces which, with modifica...

Darby, D. F.

154

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

E-Print Network [OSTI]

total fuel and electricity consumption under laboratoryto decrease the electricity consumption of furnaces, mainlytotal fuel and electricity consumption under laboratory

Lekov, Alex; Franco, Victor; Lutz, James

2006-01-01T23:59:59.000Z

155

Energy Savings in Electric Arc Furnace Melting  

E-Print Network [OSTI]

Arc furnace melting which at one time was almost exclusively used to produce alloy steel and steel castings is now widely accepted in the industry as an efficient process to produce all types of steel and iron. Presently, about 28% of steel...

Lubbeck, W.

1982-01-01T23:59:59.000Z

156

Covered Product Category: Residential Gas Furnaces  

Broader source: Energy.gov [DOE]

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 requirements mandate that agencies meet these efficiency requirements in all procurement and acquisition actions that are not specifically exempted by law.

157

Proceedings of the 45th electric furnace conference  

SciTech Connect (OSTI)

This book contains the proceedings of the 46th Electric Furnace Conference. Topics included are: EAF Dust Decomposition and Metals Recovery at ScanDust, Optimization of Electric Arc Furnace Process by Pneumatic Stirring, and Melt Down Control for Electric Arc Furnaces.

Not Available

1988-01-01T23:59:59.000Z

158

Partial SOP for Tube Anneal Furnace, EML: 9/04 Instructions for temp controller for Anneal furnace  

E-Print Network [OSTI]

Partial SOP for Tube Anneal Furnace, EML: 9/04 Instructions for temp controller for Anneal furnace the "C" clamp. Take the ceramic and quartz end caps off. 2. Load your samples into a quartz boat. Load

Reif, Rafael

159

Evaluation of Retrofit Variable-Speed Furnace Fan Motors  

SciTech Connect (OSTI)

In conjunction with the New York State Energy Research and Development Authority (NYSERDA) and Proctor Engineering Group, Ltd. (PEG), the Consortium for Advanced Residential Buildings (CARB) has evaluated the Concept 3 (tm) replacement motors for residential furnaces. These brushless, permanent magnet (BPM) motors can use much less electricity than their PSC (permanent split capacitor) predecessors. This evaluation focuses on existing homes in the heating-dominated climate of upstate New York with the goals of characterizing field performance and cost-effectiveness. The results of this study are intended to be useful to home performance contractors, HVAC contractors, and home efficiency program stakeholders. The project includes eight homes in and near Syracuse, NY. Tests and monitoring was performed both before and after fan motors were replaced. Average fan power reductions were approximately 126 Watts during heating and 220 Watts during cooling operation. Over the course of entire heating and cooling seasons, these translated into average electric energy savings of 163 kWh. Average cost savings were $20 per year. Homes where the fan was used outside of heating and cooling mode saved an additional $42 per year on average. Results indicate that BPM replacement motors will be most cost-effective in HVAC systems with longer run times and relatively low duct static pressures. More dramatic savings are possible if occupants use the fan-only setting when there is no thermal load. There are millions of cold-climate, U.S. homes that meet these criteria, but the savings in most homes tested in this study were modest.

Aldrich, R.; Williamson, J.

2014-01-01T23:59:59.000Z

160

HOME ENERGY PREFERENCES & POLICY: APPLYING STATED CHOICE MODELING TO A HYBRID  

E-Print Network [OSTI]

for home renovations and heating systems. Using stated preference data from over 600 completed surveys, I or benefits for heating system and renovation choices in the residential sector. Overall, respondents prefer furnaces, 6% for electric baseboards, 28% for heat pumps and 10% for mid efficiency oil furnaces

Note: This page contains sample records for the topic "home furnaces ranges" 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

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 2, Fluorescent lamp ballasts, television sets, room air conditioners, and kitchen ranges and ovens  

SciTech Connect (OSTI)

This document is divided into ``volumes`` B through E, dealing with individual classes of consumer products. Chapters in each present engineering analysis, base case forecasts, projected national impacts of standards, life-cycle costs and payback periods, impacts on manufacturers, impacts of standards on electric utilities, and environmental effects. Supporting appendices are included.

Not Available

1993-11-01T23:59:59.000Z

162

Graphite electrode DC arc furnace. Innovative technology summary report  

SciTech Connect (OSTI)

The Graphite Electrode DC Arc Furnace (DC Arc) is a high-temperature thermal process, which has been adapted from a commercial technology, for the treatment of mixed waste. A DC Arc Furnace heats waste to a temperature such that the waste is converted into a molten form that cools into a stable glassy and/or crystalline waste form. Hazardous organics are destroyed through combustion or pyrolysis during the process and the majority of the hazardous metals and radioactive components are incorporated in the molten phase. The DC Arc Furnace chamber temperature is approximately 593--704 C and melt temperatures are as high as 1,500 C. The DC Arc system has an air pollution control system (APCS) to remove particulate and volatiles from the offgas. The advantage of the DC Arc is that it is a single, high-temperature thermal process that minimizes the need for multiple treatment systems and for extensive sorting/segregating of large volumes of waste. The DC Arc has the potential to treat a wide range of wastes, minimize the need for sorting, reduce the final waste volumes, produce a leach resistant waste form, and destroy organic contaminants. Although the DC arc plasma furnace exhibits great promise for treating the types of mixed waste that are commonly present at many DOE sites, several data and technology deficiencies were identified by the Mixed Waste Focus Area (MWFA) regarding this thermal waste processing technique. The technology deficiencies that have been addressed by the current studies include: establishing the partitioning behavior of radionuclides, surrogates, and hazardous metals among the product streams (metal, slag, and offgas) as a function of operating parameters, including melt temperature, plenum atmosphere, organic loading, chloride concentration, and particle size; demonstrating the efficacy of waste product removal systems for slag and metal phases; determining component durability through test runs of extended duration, evaluating the effect of feed composition variations on process operating conditions and slag product performance; and collecting mass balance and operating data to support equipment and instrument design.

NONE

1999-05-01T23:59:59.000Z

163

Process control techniques for the Sidmar blast furnaces  

SciTech Connect (OSTI)

The major challenge for modern blast furnace operation is the achievement of a very high productivity, excellent hot metal quality, low fuel consumption and longer blast furnace campaigns. The introduction of predictive models, decision supporting software and expert systems has reduced the standard deviation of the hot metal silicon content. The production loss due to the thermal state of the blast furnace has decreased three times since 1990. An appropriate control of the heat losses with high pulverized coal injection rates, is of the utmost importance for the life of the blast furnace. Different rules for the burden distribution of both blast furnaces are given. At blast furnace A, a peripheral gas flow is promoted, while at blast furnace B a more central gas flow is promoted.

Vandenberghe, D.; Bonte, L.; Nieuwerburgh, H. van [Sidmar N.V., Ghent (Belgium)

1995-12-01T23:59:59.000Z

164

Villa Trieste Homes Building Reduced-Energy Homes in the Southwest U.S. Desert  

E-Print Network [OSTI]

and o Photovoltaic units for solar energy on the roofs of these homes. o A system that allows furnace o 100% CFL lighting o 2x4 and 2x6 construction, with 1 inch of EPS and blow-in cellulose (R-13Villa TriesteRomaNVLas VegasNV #12;Design Details Center for Energy Research at UNLV Solar Energy Each

Hemmers, Oliver

165

Temperatures in the blast furnace refractory lining  

SciTech Connect (OSTI)

The campaign life duration of a blast furnace is mainly determined by the condition of the refractory lining in heavy-duty zones such as the hearth, bosh, belly and lower stack. To achieve a desired lifetime, the temperature of the lining in these areas thereby proved to be the decisive controllable parameter. Low operating temperatures result in prolonged service life and are attained through high cooling efficiency. Besides the refractory grade chosen, the wear profile is mainly determined by the type of cooling system applied and the cooling intensity. Therefore, an appropriate compromise between long service life and energy losses has to be found in each case. In order to predict the service life of a lining it is important to know the wear condition at all times during the campaign. The paper describes the approaches the authors have made so far on European blast furnaces, on a theoretical and practical basis, on how to analyze the lining wear.

Hebel, R.; Streuber, C. [Didier-M and P Energietechnik GmbH, Wiesbaden (Germany); Steiger, R. [Didier-M and P Engineering Services, Highland, IN (United States); Jeschar, R. [TU Clausthal (Germany). Inst. fuer Energieverfahrenstechnik und Brennstofftechnik

1995-12-01T23:59:59.000Z

166

Optimized Utility Systems and Furnace Integration  

E-Print Network [OSTI]

OPTIMIZED UTILITY SYSTEMS AND FURNACE INTEGRATION A. S. McMullan and H. D. Spriggs, Linnhoff March, Inc., Leesburg, Va. ABSTRACT Conventional process design philosophy usually results in utility systems being designed after process design... defines the Process/Utility interface. Clearly, changing the process design can result in different utility demands and possibly in different utility system designs. This paper presents a procedure, using Pinch Technology, for the simultaneous design...

McMullan, A. S.; Spriggs, H. D.

167

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

SciTech Connect (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

168

Challenge Home  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:YearRound-Up fromDepartmentTieCelebrate Earth Day with SecretaryDerived from HeavyJuneDOE Challenge

169

Simple Maintenance Saves Costly Furnace Repair/Replacement |...  

Broader source: Energy.gov (indexed) [DOE]

furnace maintenance, which includes: Checking the condition of the vent connection pipe and chimney Checking the physical integrity of the heat exchanger Adjusting the...

170

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

171

Waste Heat Reduction and Recovery for Improving Furnace Efficiency...  

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

Heat Reduction and Recovery for Improving Furnace Efficiency, Productivity and Emissions Performance: A BestPractices Process Heating Technical Brief Waste Heat Reduction and...

172

Biological Kraft Chemical Recycle for Augmentation of Recovery Furnace Capacity  

SciTech Connect (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

173

Breakthrough Furnace Can Cut Solar Industry Costs (Fact Sheet)  

SciTech Connect (OSTI)

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

Not Available

2013-08-01T23:59:59.000Z

174

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

E-Print Network [OSTI]

ASHRAE test procedure for several furnace efficiency levels (80%, 81%, 90%,ASHRAE Test Procedure 80% AFUE (Two-stage, BPM) 81% AFUE (Two-stage, BPM) 90%

Lekov, Alex; Franco, Victor; Lutz, James

2006-01-01T23:59:59.000Z

175

Hydronic Heating Coil Versus Propane Furnace, Rehoboth Beach, Delaware (Fact Sheet)  

SciTech Connect (OSTI)

Insight Homes constructed two houses in Rehoboth Beach, Delaware, with identical floor plans and thermal envelopes but different heating and domestic hot water (DHW) systems. Each house is 1,715-ft2 with a single story, three bedrooms, two bathrooms, and the heating, ventilation, and air conditioning (HVAC) systems and ductwork located in conditioned crawlspaces. The standard house, which the builder offers as its standard production house, uses an air source heat pump (ASHP) with supplemental propane furnace heating. The Building America test house uses the same ASHP unit with supplemental heat provided by the DHW heater (a combined DHW and hydronic heating system, where the hydronic heating element is in the air handler). Both houses were occupied during the test period. Results indicate that efficiency of the two heating systems was not significantly different. Three issues dominate these results; lower system design performance resulting from the indoor refrigerant coil selected for the standard house, an incorrectly functioning defrost cycle in the standard house, and the low resolution of the natural gas monitoring equipment. The thermal comfort of both houses fell outside the ASHRAE Standard 55 heating range but was within the ACCA room-to-room temperature range when compared to the thermostat temperature. The monitored DHW draw schedules were input into EnergyPlus to evaluate the efficiency of the tankless hot water heater model using the two monitored profiles and the Building America House Simulation Protocols. The results indicate that the simulation is not significantly impacted by the draw profiles.

Not Available

2014-01-01T23:59:59.000Z

176

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

177

GCPCC home  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-SeriesFlickr Flickr Editor's note:ComputingFusion roadmapping about

178

Fermilab | Home  

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179

Home Page  

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180

STRIP TEMPERATURE IN A METAL COATING LINE ANNEALING FURNACE  

E-Print Network [OSTI]

continuously through the furnace, to certain temperatures and then cooling it, resulting in a change, and subsequent coating. The temperature along the furnace is controlled by varying the power supplied to the heating elements and by use of cooling tubes. The cooling tubes are located in the last half

McGuinness, Mark

Note: This page contains sample records for the topic "home furnaces ranges" 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

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

182

Recent improvements in casthouse practices at the Kwangyang blast furnaces  

SciTech Connect (OSTI)

POSCO`s Kwangyang blast furnaces have continuously carried out high production and low fuel operation under a high pulverized coal injection rate without complications since the Kwangyang No. 1 blast furnace was blown-in in 1987. The Kwangyang blast furnaces have focused on improving the work environment for the increase of competitive power in terms of increased production, cost savings, and management of optimum manpower through use of low cost fuel and raw material. At this time, the casthouse work lags behind most work in the blast furnace. Therefore, the Kwangyang blast furnaces have adopted a remote control system for the casthouse equipment to solve complications in the casthouse work due to high temperature and fumes. As the result, the casthouse workers can work in clean air and the number of workers has been reduced to 9.5 personnel per shift by reduction of the workload.

Jang, Y.S.; Han, K.W.; Kim, K.Y.; Cho, B.R.; Hur, N.S.

1997-12-31T23:59:59.000Z

183

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.

Kujawa, Stephan T. (Butte, MT); Battleson, Daniel M. (Butte, MT); Rademacher, Jr., Edward L. (Butte, MT); Cashell, Patrick V. (Butte, MT); Filius, Krag D. (Butte, MT); Flannery, Philip A. (Ramsey, MT); Whitworth, Clarence G. (Butte, MT)

1998-01-01T23:59:59.000Z

184

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

185

Effect of furnace atmosphere on E-glass foaming  

SciTech Connect (OSTI)

The effect of furnace atmosphere on E-glass foaming generated in crucible has been studied with a specific goal to understand the impact of increased water content on foaming in oxy-fired furnaces. E-glass foams were generated in a fused-quartz crucible located in a quartz window furnace equipped with video recording. The present study showed that humidity in the furnace atmosphere destabilizes foam, while other gases have little effect on foam stability. This study suggests that the higher foaming in oxy-fired furnace compared to air-fired is caused by the effect of water on early sulfate decomposition, promoting more efficient refining gas generation from sulfate (known as “dilution effect”).

Kim, Dong-Sang; Dutton, Bryan C.; Hrma, Pavel R.; Pilon, Laurent

2006-12-01T23:59:59.000Z

186

Home Page  

Office of Legacy Management (LM)

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187

Home Page  

Office of Legacy Management (LM)

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188

Home Page  

Office of Legacy Management (LM)

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189

Home Page  

Office of Legacy Management (LM)

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190

Home Page  

Office of Legacy Management (LM)

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191

Home Page  

Office of Legacy Management (LM)

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192

Home | DOEpatents  

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193

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194

BCP Home  

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195

Home | DOEpatents  

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196

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197

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198

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199

CAES Home  

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200

CAES Home  

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Note: This page contains sample records for the topic "home furnaces ranges" 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

CAES Home  

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202

CAES Home  

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203

CAES Home  

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204

CAES Home  

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205

CAES Home  

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206

CAES Home  

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207

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208

CAES Home  

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209

CAES Home  

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210

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211

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212

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213

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214

CAES Home  

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215

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216

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217

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218

CAES Home  

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219

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220

CAES Home  

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Note: This page contains sample records for the topic "home furnaces ranges" 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

CAES Home  

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222

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223

CAES Home  

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224

TRACC Home  

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225

E-Print Network 3.0 - arc furnace dust Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Collection: Renewable Energy 2 The Effec' of Furnace Design and Operation on Air Pollution Summary: chemical constituents in furnace gases arc very malodorous, or toxic, when...

226

E-Print Network 3.0 - air-conditioners furnaces air Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Residential Space Summary: and electricity. These include boilers and furnaces for heating, air-conditioning systems and heat-pump systems... ) Space Heating Only Furnaces:...

227

Use of sinter in Taranto blast furnaces  

SciTech Connect (OSTI)

Lowering the production cost of the crude steel is the ultimate aim when planning operations in an integrated steelworks. Designing the Blast Furnace burden is a crucial point in this context, for which account must be taken not only of the raw materials cost but also of other important aims such as maximum plants productivity, minimum possible energy consumption, a proper product quality at the various production stages. This paper describes the criteria used in Ilva Laminati Piani (ILP) Taranto Works to design the BF burden, based on sinter, using the results of extensive research activity carried out by Centro Sviluppo Materiali (CSM), the Research Center with major involvement with the R and D of the Italian Steel Industry. Great attention is paid at ILP to the sinter quality in order to obtain the optimum performance of the BFs, which are operating at high productivity, high pulverized coal rate and low fuel consumption.

Palchetti, M.; Palomba, R.; Tolino, E. [CSM Taranto (Italy); Salvatore, E.; Calcagni, M. [ILP Taranto Works (Italy)

1995-12-01T23:59:59.000Z

228

Residential Condensing Gas Furnaces | Department of Energy  

Energy Savers [EERE]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Office of Inspector GeneralDepartment of Energy fromComments onReply CommentsNext-GenerationDryer (AppendixCondensing

229

Furnace Pressure Controllers | Department of Energy  

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

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230

Thermal Treatment of Solid Wastes Using the Electric Arc Furnace  

SciTech Connect (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

231

No. 5 blast furnace 1995 reline and upgrade  

SciTech Connect (OSTI)

The 1995 reline of No. 5 Blast Furnace is an undertaking which has never been approached in previous relines of any blast furnace in the history of Wheeling Pittsburgh Steel Corporation. The scope of the project is such that it represents a radical departure from W.P.S.C.`s traditional methods of ironmaking. The reline of No. 5 Blast Furnace is one of the largest capital improvements performed at W.P.S.C. Blast Furnaces. The improvements made at one single time are taking a furnace from 1960`s technology into the 21st century. With this in mind, employee training was one of the largest parts of the project. Training for the automated stockhouse, castfloor, new skip drive, new instrumentation, new castfloor equipment, hydraulics and overall furnace operation were an absolute necessity. The reline has laid the ground work to give the Corporation an efficient, higher productive, modern Blast Furnace which will place W.P.S.C. in the world class category in ironmaking well into the 21st century.

Kakascik, T.F. Jr.

1996-12-31T23:59:59.000Z

232

Application of AI techniques to blast furnace operations  

SciTech Connect (OSTI)

It was during the first stages of application of artificial intelligence (AI) to industrial fields, that the ironmaking division of Mizushima works at Kawasaki Steel recognized its potential. Since that time, the division has sought applications for these techniques to solve various problems. AI techniques applied to control the No. 3 blast furnace operations at the Mizushima works include: Blast furnace control by a diagnostic type of expert system that gives guidance to the actions required for blast furnace operation as well as control of furnace heat by automatically setting blast temperature; Hot stove combustion control by a combination of fuzzy inference and a physical model to insure good thermal efficiency of the stove; and blast furnace burden control using neural networks makes it possible to connect the pattern of gas flow distribution with the condition of the furnace. Experience of AI to control the blast furnace and other ironmaking operations has proved its capability for achieving automation and increased operating efficiency. The benefits are very high. For these reasons, the applications of AI techniques will be extended in the future and new techniques studied to further improve the power of AI.

Iida, Osamu; Ushijima, Yuichi; Sawada, Toshiro [Kawasaki Steel Corp., Kurashiki (Japan)

1995-10-01T23:59:59.000Z

233

Breakthrough Furnace Can Cut Solar Industry Costs  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth (AOD)ProductssondeadjustsondeadjustAboutScienceCareers ApplyResistant: ABreak-even Cost

234

AISI/DOE Technology Roadmap Program Hot Oxygen Injection Into The Blast Furnace  

SciTech Connect (OSTI)

Increased levels of blast furnace coal injection are needed to further lower coke requirements and provide more flexibility in furnace productivity. The direct injection of high temperature oxygen with coal in the blast furnace blowpipe and tuyere offers better coal dispersion at high local oxygen concentrations, optimizing the use of oxygen in the blast furnace. Based on pilot scale tests, coal injection can be increased by 75 pounds per ton of hot metal (lb/thm), yielding net savings of $0.84/tm. Potential productivity increases of 15 percent would yield another $1.95/thm. In this project, commercial-scale hot oxygen injection from a ''thermal nozzle'' system, patented by Praxair, Inc., has been developed, integrated into, and demonstrated on two tuyeres of the U.S. Steel Gary Works no. 6 blast furnace. The goals were to evaluate heat load on furnace components from hot oxygen injection, demonstrate a safe and reliable lance and flow control design, and qualitatively observe hot oxygen-coal interaction. All three goals have been successfully met. Heat load on the blowpipe is essentially unchanged with hot oxygen. Total heat load on the tuyere increases about 10% and heat load on the tuyere tip increases about 50%. Bosh temperatures remained within the usual operating range. Performance in all these areas is acceptable. Lance performance was improved during testing by changes to lance materials and operating practices. The lance fuel tip was changed from copper to a nickel alloy to eliminate oxidation problems that severely limited tip life. Ignition flow rates and oxygen-fuel ratios were changed to counter the effects of blowpipe pressure fluctuations caused by natural resonance and by coal/coke combustion in the tuyere and raceway. Lances can now be reliably ignited using the hot blast as the ignition source. Blowpipe pressures were analyzed to evaluate ht oxygen-coal interactions. The data suggest that hot oxygen increases coal combustion in the blow pipe and tuyere by 30, in line with pilot scale tests conducted previously.

Michael F. Riley

2002-10-21T23:59:59.000Z

235

Valorization of Automotive Shredder Residues in metallurgical furnaces Project REFORBA  

E-Print Network [OSTI]

) and the electric arc furnace (EAF) routes, P1 could be used as substitute for coal or coke, and P2 could replace with raw materials cheaper than coke. As additional potential benefits the amount of CO2 generated

Paris-Sud XI, Université de

236

Operating experience with 100% pellet burden on Amanda blast furnace  

SciTech Connect (OSTI)

A number of significant changes in operations at the Ashland Works of the Armco Steel Company occurred in 1992 which directly impacted the Amanda Blast Furnace operation. These changes included the shutdown of the hot strip mill which resulted in coke oven gas enrichment of the Amanda stoves and an increase of 75 C in hot blast temperature, transition to 100% continuous cast operation which resulted in increased variation of the hot metal demand, and the July idling of the sinter plant. Historically, the Amanda Blast Furnace burden was 30% fluxed sinter and 70% acid pellet. It was anticipated that the change to 100% pellet burden would require changes in charging practice and alter furnace performance. The paper gives a general furnace description and then describes the burden characteristics, operating practice with 30% sinter/70% acid pellet burden, preparations for the 100% acid pellet burden operation, the 100% acid pellet operation, and the 100% fluxed pellet burden operation.

Keaton, D.E.; Minakawa, T. (Armco Steel Co., Middletown, OH (United States). Ironmaking Dept.)

1993-01-01T23:59:59.000Z

237

Legendary West Virginia Senior Citizen Stays Warm With New Furnace...  

Broader source: Energy.gov (indexed) [DOE]

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...

238

Voltage flicker prediction for two simultaneously operated ac arc furnaces  

SciTech Connect (OSTI)

An EMTP-based arc furnace model was developed for evaluation of flicker concerns associated with supplying a large integrated steel mill as they go from one to two furnace operation and as system changes are implemented that will affect the short circuit capacity at the 230 kV power supply substation. The model includes a dynamic arc representation which is designed to be characteristic of the initial portions of the melt cycle when the arc characteristics are the most variable (worst flicker conditions). The flicker calculations are verified using previous measurements with one furnace operation. Flicker simulations were then performed to evaluate a variety of different possible system strengths with both one and two furnaces in operation. The primary flicker measure used for this study is the unweighted rms value of the fluctuation envelope, expressed as a percentage of the rms line-to-ground voltage magnitude.

Tang, L. [ABB Power T and D Co., Inc., Raleigh, NC (United States)] [ABB Power T and D Co., Inc., Raleigh, NC (United States); Kolluri, S. [Entergy Services, New Orleans, LA (United States)] [Entergy Services, New Orleans, LA (United States); McGranaghan, M.F. [Electrotek Concepts, Inc., Knoxville, TN (United States)] [Electrotek Concepts, Inc., Knoxville, TN (United States)

1997-04-01T23:59:59.000Z

239

Automatic Control System of Car-Bottom Reheating Furnace  

E-Print Network [OSTI]

At present China has large quantities of two-regenerator gas reheating furnaces which are old in fashion and low in calorific efficiency. Therefore, the question how to increase the calorific efficiency is very much concerned on condition...

Xueqiao, M.; Weilian, X.; Hongchen, Z.

240

New Energy Efficiency Standards for Furnace Fans to Reduce Carbon...  

Office of Environmental Management (EM)

by at least 3 billion metric tons in total by 2030, equal to more than a year's carbon pollution from the entire U.S. electricity system. Furnace fans are used to circulate air...

Note: This page contains sample records for the topic "home furnaces ranges" 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

Effect of furnace atmosphere on E-glass foaming  

E-Print Network [OSTI]

oxy-fired furnaces. E-glass foams were generated in a fused-81.05.K 1. Introduction Glass foams generated in glass-that the stability of E-glass foam decreased with increasing

Kim, D. S.; Dutton, Bryan C.; Hrma, Pavel R.; Pilon, Laurent

2006-01-01T23:59:59.000Z

242

Recycling of electric-arc-furnace dust  

SciTech Connect (OSTI)

Electric arc furnace (EAF) dust is one of the largest solid waste streams produced by steel mills, and is classified as a waste under the Resource Conservation and Recovery Act (RCRA) by the U.S. Environmental Protection Agency (EPA). Successful recycle of the valuable metals (iron, zinc, and lead) present in the dust will result in resource conservation while simultaneously reducing the disposal problems. Technical feasibility of a novel recycling method based on using hydrogen as the reductant was established under this project through laboratory experiments. Sponge iron produced was low in zinc, cadmium, and lead to permit its recycle, and nontoxic to permit its safe disposal as an alternative to recycling. Zinc oxide was analyzed to contain 50% to 58% zinc by weight, and can be marketed for recovering zinc and lead. A prototype system was designed to process 2.5 tons per day (600 tons/year) of EAF dust, and a preliminary economic analysis was conducted. The cost of processing dust by this recycling method was estimated to be comparable to or lower than existing methods, even at such low capacities.

Sresty, G.C.

1990-05-01T23:59:59.000Z

243

Investigation of lignite and firewood co-combustion in a furnace for tobacco curing application  

SciTech Connect (OSTI)

Co-combustion of lignite and firewood was investigated for an application in tobacco curing industry in Northern Thailand. Extensive experiments have been carried out in a newly developed furnace suitable for small curing unit, in place of locally made furnace. The aim of this investigation is to evaluate the performance of the combustion chamber in the required thermal output range for tobacco curing and to examine the influence of fuel feed rate, fuel mixture ratio and air staging on the combustion and emission characteristics of the furnace during steady state operation. Their effects are characterized in terms of the observed variations of temperature distributions, emissions of CO, SO{sub 2}, CO{sub 2}, O{sub 2} and combustion efficiency. Co-firing of firewood and lignite has been found to exhibit acceptable temperature distribution, high combustion efficiency and low emissions over a wide thermal output span. Stable operation at low (50 kW) and high (150 kW) thermal output was achieved with average CO and SO{sub 2} content in flue gas typically below 1400 and 100 ppm, respectively. Under the conditions considered, it was showed that the fuel feed rate had greater influence on combustion and emissions than firewood and lignite mixture ratio and air staging.

Nakorn Tippayawong; Chutchawan Tantakitti; Satis Thavornun

2006-07-01T23:59:59.000Z

244

Modelling of multiphase flow in ironmaking blast furnace  

SciTech Connect (OSTI)

A mathematical model for the four-phase (gas, powder, liquid, and solids) flow in a two-dimensional ironmaking blast furnace is presented by extending the existing two-fluid flow models. The model describes the motion of gas, solid, and powder phases, based on the continuum approach, and implements the so-called force balance model for the flow of liquids, such as metal and slag in a blast furnace. The model results demonstrate a solid stagnant zone and dense powder hold-up region, as well as a dense liquid flow region that exists in the lower part of a blast furnace, which are consistent with the experimental observations reported in the literature. The simulation is extended to investigate the effects of packing properties and operational conditions on the flow and the volume fraction distribution of each phase in a blast furnace. It is found that solid movement has a significant effect on powder holdup distribution. Small solid particles and low porosity distribution are predicted to affect the fluid flow considerably, and this can cause deterioration in bed permeability. The dynamic powder holdup in a furnace increases significantly with the increase of powder diameter. The findings should be useful to better understand and control blast furnace operations.

Dong, X.F.; Yu, A.B.; Burgess, J.M.; Pinson, D.; Chew, S.; Zulli, P. [University of New South Wales, Sydney, NSW (Australia). School for Material Science and Engineering

2009-01-15T23:59:59.000Z

245

Automatic thermocouple positioner for use in vacuum furnaces  

DOE Patents [OSTI]

The invention is a simple and reliable mechanical arrangement for automatically positioning a thermocouple-carrying rod in a vacuum-furnace assembly of the kind including a casing, a furnace mounted in the casing, and a charge-containing crucible mounted in the furnace for vertical movement between a lower (loading) position and a raised (charge-melting) position. In a preferred embodiment, a welded-diaphragm metal bellows is mounted above the furnace, the upper end of the bellows being fixed against movement and the lower end of the bellows being affixed to support means for a thermocouple-carrying rod which is vertically oriented and extends freely through the furnace lid toward the mouth of the crucible. The support means and rod are mounted for relative vertical movement. Before pumpdown of the furnace, the differential pressure acting on the bellows causes it to contract and lift the thermocouple rod to a position where it will not be contacted by the crucible charge when the crucible is elevated to its raised position. During pumpdown, the bellows expands downward, lowering the thermocouple rod and its support. The bellows expands downward beyond a point where downward movement of the thermocouple rod is arrested by contact with the crucible charge and to a point where the upper end of the thermocouple extends well above the thermocouple support. During subsequent melting of the charge, the thermocouple sinks into the melt to provide an accurate measurement of melt temperatures.

Mee, D.K.; Stephens, A.E.

1980-06-06T23:59:59.000Z

246

Furnaces and Boilers | Department of Energy  

Office of Environmental Management (EM)

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247

Paired Straight Hearth Furnace | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarly Careerlumens_placard-green.epsEnergy1.pdf MoreEnergy JuneEnergyMajorBelowThe

248

Optical Furnace offers improved semiconductor device processing  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 - September 2006 The 2002 WholesaleEnergy'sRunningOperations

249

Home's Douglas  

E-Print Network [OSTI]

BULLETIN OF THE UNIVERSITY OF KANSAS HUMANISTIC STUDIES Vol. Ill November 1, 1924 No. 3 Home's Douglas Edited With Introduction and Notes BY HUBERT J. TUNNEY, A. B., A. M. Instructor in English University of Notre Dame LAWRENCE, NOVEMBER... of Carron"; "the stormy north"; "some nameless stream's untrodden banks"; "wings of down"; and "red came the river down." There are few extended nature passages in the play. Corn- pan- II. 189-195; III, 80-97; V, 1-12; and V, 79-83. The refer ences...

Home, John

1924-11-01T23:59:59.000Z

250

Fireside carburization of stainless steel furnace tubes  

SciTech Connect (OSTI)

Most heavy Venezuelan crudes are recognized for having a high total acid number (TAN) that is usually associated with a high tendency to produce naphthenic acid corrosion. To resist this type of corrosion in vacuum heaters, 9Cr-1Mo steel and stainless steels containing molybdenum are usually recommended. In 1993 the original 5Cr-1/2Mo roof tubes of the furnace in a vacuum unit were replaced by stainless steel 316Ti to minimize tube replacement and increase heater reliability. Unexpectedly, some of the new tubes failed after only three years of service, and just one year after undergoing the last turnaround inspection. The damage occurred in the form of deep holes and perforations, starting from the outside tube surface on the fireside. Coke build-up occurred due to severe operating conditions, overheating the tubes on the fireside, above 675 C (1250 F). Metallographic and Scanning Electron Microscopic (SEM) examination revealed internal and external carburization of the material due to the presence of coke and combustion ashes, respectively. The increase in the skin metal temperature facilitated the diffusion of carbon from these carbon-rich deposits into the low carbon content material (0.023 O/O).Depletion of chromium at the grain boundaries due to the massive formation of chromium carbides, resulted in a severe intergranular corrosion attack by molten salts rich in vanadium and sulfur due to asphalt burning. Normal operating practice demands the use of steam for the heater tubes to control coke build-up. This practice had been first reduced and then eliminated, during the past two years prior to the failure, because of economic incentives. This paper describes the root cause analysis conducted to account for these premature tube failures.

Mirabal, E.; Molina, C. [PDVSA-Refineria Isla, Curayao (Netherlands); Mayorga, A.; Hau, J.L. [PDVSA-Intevep, Caracas (Venezuela)

1999-11-01T23:59:59.000Z

251

ALTERNATE REDUCTANT COLD CAP EVALUATION FURNACE PHASE I TESTING  

SciTech Connect (OSTI)

Savannah River Remediation (SRR) conducted a Systems Engineering Evaluation (SEE) to determine the optimum alternate reductant flowsheet for the Defense Waste Processing Facility (DWPF). Specifically, two proposed flowsheets (nitric–formic–glycolic and nitric–formic–sugar) were evaluated based upon results from preliminary testing. Comparison of the two flowsheets among evaluation criteria indicated a preference towards the nitric–formic–glycolic flowsheet. Further evaluation of this flowsheet eliminated the formic acid1, and as a result, the nitric–glycolic flowsheet was recommended for further testing. Based on the development of a roadmap for the nitric–glycolic acid flowsheet, Waste Solidification Engineering (WS-E) issued a Technical Task Request (TTR) to address flammability issues that may impact the implementation of this flowsheet. Melter testing was requested in order to define the DWPF flammability envelope for the nitric glycolic acid flowsheet. The Savannah River National Laboratory (SRNL) Cold Cap Evaluation Furnace (CEF), a 1/12th scale DWPF melter, was selected by the SRR Alternate Reductant project team as the melter platform for this testing. The overall scope was divided into the following sub-tasks as discussed in the Task Technical and Quality Assurance Plan (TTQAP): ? Phase I - A nitric–formic acid flowsheet melter test (unbubbled) to baseline the Cold Cap Evaluation Furnace (CEF) cold cap and vapor space data to the benchmark melter flammability models ? Phase II - A nitric–glycolic acid flowsheet melter test (unbubbled and bubbled) to: o Define new cold cap reactions and global kinetic parameters for the melter flammability models o Quantify off-gas surging potential of the feed o Characterize off-gas condensate for complete organic and inorganic carbon species Prior to startup, a number of improvements and modifications were made to the CEF, including addition of cameras, vessel support temperature measurement, and a heating element near the pour tube. After charging the CEF with cullet from a previous Sludge Batch 6 (SB6) run, the melter was slurry-fed with SB6-Frit 418 melter feed at 36% waste loading and was operated continuously for 6 days. Process data was collected throughout testing and included melter operation variables and off-gas chemistry. In order to satisfy the objective of Phase I testing, vapor space steady testing in the range of ~300°C-700°C was conducted without argon bubbling to baseline the melter data to the existing DWPF melter flammability model. Adjustments to heater outputs, air flows and feed rate were necessary in order to achieve the vapor space temperatures in this range. The results of the Phase I testing demonstrated that the CEF is capable of operating under the low vapor space temperatures A melter pressure of -5 inches of water was not sustained throughout the run, but the melter did remain slightly negative even with the maximum air flows required for the lowest temperature conditions were used. The auxiliary pour tube heater improved the pouring behavior at all test conditions, including reduced feed rates required for the low vapor space testing. Argon bubbling can be used to promote mixing and increase feed rate at multiple conditions. Improvements due to bubbling have been determined previously; however, the addition of the cameras to the CEF allows for visual observation during a range of bubbling configurations. The off-gas analysis system proved to be robust and capable of operating for long durations. The total operational hours on the melter vessel are approximately 385 hours. Dimensional measurements taken prior to Phase I testing and support block temperatures recorded during Phase I testing are available if an extension of service life beyond 1250 hours is desired in the future.

Johnson, F.; Miller, D.; Zamecnik, J.; Lambert, D.

2014-04-22T23:59:59.000Z

252

Recent developments in blast furnace process control within British Steel  

SciTech Connect (OSTI)

British Steel generally operates seven blast furnaces on four integrated works. All furnaces have been equipped with comprehensive instrumentation and data logging computers over the past eight years. The four Scunthorpe furnaces practice coal injection up to 170 kg/tHM (340 lb/THM), the remainder injecting oil at up to 100 kg/tHM (200 lb/THM). Distribution control is effected by Paul Wurth Bell-Less Tops on six of the seven furnaces, and Movable Throat Armour with bells on the remaining one. All have at least one sub burden probe. The blast furnace operator has a vast quantity of data and signals to consider and evaluate when attempting to achieve the objective of providing a consistent supply of hot metal. Techniques have been, and are being, developed to assist the operator to interpret large numbers of signals. A simple operator guidance system has been developed to provide advice, based on current operating procedures and interpreted data. Further development will involve the use of a sophisticated Expert System software shell.

Warren, P.W. [British Steel Technical, Middlesbrough (United Kingdom). Teesside Labs.

1995-12-01T23:59:59.000Z

253

The 1994 intermediate reline of H-3 furnace  

SciTech Connect (OSTI)

LTV Steel`s Indiana Harbor Works H-3 Blast Furnace was rebuilt in 1988 to provide reliable operations at high production rates without damage to the shell for an overall campaign. This Rebuild included: (1) complete bosh and partial stack shell replacement; (2) a spray cooled carbon bosh; (3) a row of staves at the mantle and six rows of stack staves, all stack staves had noses (ledges at the top of the stave) with the exception of row 5; (4) silicon carbide filled semi graphite brick for the bosh, silicon carbide brick from the mantle area and to the top of stave row No. 1, super duty brick in front of the remaining staves and phosphate bonded high alumina brick in the upper stack; (5) movable throat armor; (6) upgraded instrumentation to follow furnace operation and lining wear occurring in the furnace. No work was done to the hearth walls and bottom, since these had been replaced in 1982 with a first generation graphite cooled design and has experienced 7.7 million NTHM. The furnace was blown in November 18, 1988 and operated through September 3, 1994, at which time it was blown down for its first intermediate repair after 7.85 million NTHM. This paper summarizes the operation of the furnace and then discusses the major aspects of the 1994 intermediate repair.

James, J.D.; Nanavati, K.S.; Spirko, E.J.; Wakelin, D.H.

1995-12-01T23:59:59.000Z

254

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

E-Print Network [OSTI]

energy conservation standard in terms of the Annual Fuel Utilization Efficiency (AFUE) descriptor at a minimum

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

2004-01-01T23:59:59.000Z

255

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

E-Print Network [OSTI]

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

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

2004-01-01T23:59:59.000Z

256

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

E-Print Network [OSTI]

Star Residential Water Heaters: Final criteria analysis.2004. Heat pump water heater technology: Experiences ofmarket research on solar water heaters. National Renewable

Lekov, Alex

2011-01-01T23:59:59.000Z

257

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

E-Print Network [OSTI]

and F. Southworh. 2004. Heat pump water heater technology:gas tankless water heaters, heat pump water heaters,heat pump space heaters, and solar water heaters, as well as

Lekov, Alex

2011-01-01T23:59:59.000Z

258

Home Safety Checklist for Families with Young Children 1  

E-Print Network [OSTI]

the local phone directory). Locate pilot lights for furnaces and water heaters; remove all flammable on every level of the house. Inspect monthly. Adjust water heater to 120 degree range. Wait 2 hours and check tap water with candy thermometer or contact the public works department for assistance. Have

259

Semicoke production and quality at Chinese vertical SJ furnaces  

SciTech Connect (OSTI)

In Russia there has been little interest on the thermal processing of non-sintering coal. However it may be used to obtain many special types of coke and semicoke that are necessary for processes other than blast furnace smelting and employing small metallurgical coke fractions that do not meet the relevant quality requirements. China has recently made great progress in developing the thermal processing of coal (mainly energy coal) to obtain a highly effective product, semicoke, primarily used in metallurgy and adsorption process. The article considers the operation of a Chinese semicoking plant equipped with vertical SJ furnaces. The plant is in the Shenmu district of Shanxi province (Inner Mongolia). The enterprise includes two furnaces of total output of about 100,000 t/yr of semicoke.

V.M. Strakhov; I.V. Surovtseva; A.V. D'yachenko; V.M. Men'shenin [Kuznetsk Center, Eastern Coal-Chemistry Institute (Russian Federation)

2007-05-15T23:59:59.000Z

260

Hot metal Si control at Kwangyang blast furnaces  

SciTech Connect (OSTI)

Studies of Si transfer in blast furnaces have shown that the Si level in pig iron is influenced more by the reaction of silicon oxide gas generation in the raceway than the chemical reaction between hot metal and slag at the drop zone. Specifications require a Si content of pig iron below 0.15% at the Kwangyang Works, but the use of soft coking coal in the blend for coke ovens, high pulverized coal injection rate into the blast furnace, and the application of lower grade iron ore has resulted in the need to develop methods to control Si in hot metal. In this paper, the results of in furnace Si control and the desiliconization skills at the casthouse floor are described.

Hur, N.S.; Cho, B.R.; Kim, G.Y.; Choi, J.S.; Kim, B.H. [POSCO, Cheollanamdo (Korea, Republic of). Kwangyang Works

1995-12-01T23:59:59.000Z

Note: This page contains sample records for the topic "home furnaces ranges" 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

ARRA Proposed Award: Home Performance Program  

E-Print Network [OSTI]

Star appliance replacement; air conditioner and/or furnace replacement or installation defect repair; cool roofs

262

Improvement of tap holes at Wakayama No. 5 blast furnace  

SciTech Connect (OSTI)

The service life of blast furnaces, as the result of various improvement measures, has been extended from the conventional 5 to 7 years to 15 to 20 years. Wakayama No. 5 blast furnace adopted SiC bricks. Though SiC brick excelled in strength and durability, it has raised problems such as tap hole inside temperature lowering attributable to its high thermal conductivity, insufficient mud burning and gas blow-out. Nevertheless, various countermeasures described within have been taken against such problems, and as the result it has now become possible to maintain tap holes in stable conditions.

Yamashita, M.; Kashiwada, M.; Shibuta, H. [Sumitomo Metal Industries, Ltd., Wakayama (Japan). Wakayama Steel Works

1995-12-01T23:59:59.000Z

263

Optical processing furnace with quartz muffle and diffuser plate  

DOE Patents [OSTI]

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

264

2015-02-13 Issuance: Test Procedure for Furnaces and Boilers...  

Energy Savers [EERE]

2015-02-13 Issuance: Test Procedure for Furnaces and Boilers; Notice of Proposed Rulemaking 2015-02-13 Issuance: Test Procedure for Furnaces and Boilers; Notice of Proposed...

265

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

SciTech Connect (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

266

Improving the System Life of Basic Oxygen and Electric Arc Furnace Hoods, Roofs, and Side Vents  

Broader source: Energy.gov [DOE]

This factsheet describes the benefits of a high-performance aluminum bronze alloy to basic oxygen furnace and electric arc furnace components such as hoods, roofs, and side vents.

267

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...

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

1980-01-01T23:59:59.000Z

268

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

E-Print Network [OSTI]

furnaces and storage water heaters, finds that installing aAs shown in Table 2, storage water heaters in single-familya gas furnace and a gas storage water heater. This market is

Lekov, Alex B.

2010-01-01T23:59:59.000Z

269

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

E-Print Network [OSTI]

furnaces and storage water heaters, finds that installing aAs shown in Table 2, storage water heaters in single-familya gas furnace and a gas storage water heater. This market is

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

2010-01-01T23:59:59.000Z

270

Design of CCD camera system for use inside electron beam furnace  

SciTech Connect (OSTI)

The design of a wide dynamic range camera system for use inside Electron Beam furnaces is presented. The camera system is designed for used in high vacuum and in a high radiant heat flux environment looking directly into a high metallic vapor flux. In addition, the camera is designed to have a dynamic range that can provide a good image in both low light level conditions as well as in high brightness situations as when the electron beam impinging on the melt surface. An analysis is given for estimating the dynamic range of the camera imaging system and the camera cooling requirements. Techniques for capturing and recording video images are also presented. The application of various optical filters and liquid crystal variable attenuators for the camera imaging system is discussed.

Sze, J.S.

1992-10-01T23:59:59.000Z

271

WaterFurnace Renewable Energy Inc formerly WaterFurnace Industries Inc WFI  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia:FAQ < RAPID Jump to:Seadov PtyInformationSEDS dataIndiana:CoopWaspa| Open Energy Information

272

Folding@HomeFolding@Home Vijay Pande  

E-Print Network [OSTI]

Folding@HomeFolding@Home Vijay Pande #12;http://folding.stanford.edu © Vijay S. Pande 1999,000,000 PCs on the internet Folding@Home People donate their idle computer time They visit our website://folding.stanford.edu © Vijay S. Pande 1999-2003 Folding@HomeFolding@Home:: VeryVery powerful & cost effectivepowerful & cost

Dally, William J.

273

Home Inventory User Manual About Home Inventory  

E-Print Network [OSTI]

Home Inventory User Manual About Home Inventory The HomeInventory Project consists of a customized. With two types of roles, Users and Administrators, clients logged into the HomeInventory have access to a variety of commands. HomeInventory stores each user's items safely and privately, without worry

Wolfgang, Paul

274

Evaluation of heat flux through blast furnace shell with attached sensors  

SciTech Connect (OSTI)

Plant trials to evaluate heat fluxes through a lining/cooling system of a blast furnace were conducted in order to realize the cooling efficiency of the blast furnace under operation. For this purpose, several experiments to measure the in-furnace gas temperatures were cautiously made, and numerical simulations for the temperature distributions over the blast furnace shell and cooling/lining systems were also carried out.

Han, J.W. [Kyonggi Univ., Suwon, Kyonggi (Korea, Republic of). Dept. of Materials Engineering; Lee, J.H.; Suh, Y.K. [POSCO, Kwangyang, Cheonnam (Korea, Republic of). Technical Research Labs.

1996-12-31T23:59:59.000Z

275

ALTERNATE REDUCTANT COLD CAP EVALUATION FURNACE PHASE II TESTING  

SciTech Connect (OSTI)

Savannah River Remediation (SRR) conducted a Systems Engineering Evaluation (SEE) to determine the optimum alternate reductant flowsheet for the Defense Waste Processing Facility (DWPF). Specifically, two proposed flowsheets (nitric–formic–glycolic and nitric–formic–sugar) were evaluated based upon results from preliminary testing. Comparison of the two flowsheets among evaluation criteria indicated a preference towards the nitric–formic–glycolic flowsheet. Further research and development of this flowsheet eliminated the formic acid, and as a result, the nitric–glycolic flowsheet was recommended for further testing. Based on the development of a roadmap for the nitric–glycolic acid flowsheet, Waste Solidification Engineering (WS-E) issued a Technical Task Request (TTR) to address flammability issues that may impact the implementation of this flowsheet. Melter testing was requested in order to define the DWPF flammability envelope for the nitric-glycolic acid flowsheet. The Savannah River National Laboratory (SRNL) Cold Cap Evaluation Furnace (CEF), a 1/12th scale DWPF melter, was selected by the SRR Alternate Reductant project team as the melter platform for this testing. The overall scope was divided into the following sub-tasks as discussed in the Task Technical and Quality Assurance Plan (TTQAP): ? Phase I - A nitric–formic acid flowsheet melter test (unbubbled) to baseline the CEF cold cap and vapor space data to the benchmark melter flammability models; ? Phase II - A nitric–glycolic acid flowsheet melter test (unbubbled and bubbled) to: o Define new cold cap reactions and global kinetic parameters in support of the melter flammability model development; o Quantify off-gas surging potential of the feed; o Characterize off-gas condensate for complete organic and inorganic carbon species. After charging the CEF with cullet from Phase I CEF testing, the melter was slurry-fed with glycolic flowsheet based SB6-Frit 418 melter feed at 36% waste loading and was operated continuously for 25 days. Process data was collected throughout testing and included melter operation parameters and off-gas chemistry. In order to generate off-gas data in support of the flammability model development for the nitric-glycolic flowsheet, vapor space steady state testing in the range of ~300-750°C was conducted under the following conditions, (i) 100% (nominal and excess antifoam levels) and 125% stoichiometry feed and (ii) with and without argon bubbling. Adjustments to feed rate, heater outputs and purge air flow were necessary in order to achieve vapor space temperatures in this range. Surge testing was also completed under nominal conditions for four days with argon bubbling and one day without argon bubbling.

Johnson, F.; Stone, M.; Miller, D.

2014-09-03T23:59:59.000Z

276

Optical processing furnace with quartz muffle and diffuser plate  

DOE Patents [OSTI]

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 wall of the muffle is also provided for controlling the source of optical energy.

Sopori, Bhushan L. (Denver, CO)

1996-01-01T23:59:59.000Z

277

Single taphole blast furnace casthouse performance optimizing cost and availability  

SciTech Connect (OSTI)

The No. 2 blast furnace is a single taphole furnace with a convection air-cooled iron trough. The iron runner system is designed to fill four 90 ton open-top ladles per cast, which are transported by locomotive to the steel shop. The slag runner system is capable of filling three 800 ft{sup 3} slag pots per cast. The No. 2 blast furnace was blown in from mini-reline with this new casthouse configuration in early December 1991. It was operated for nearly three years until it was banked for planned stove repairs and a trough rebuild in late September 1994. During this period, the furnace produced just over 2.5 million tons of hot metal across the original trough refractory lining system, with 13 intermediate hot patch castable repairs. The entire casthouse refractory usage (main trough, runner systems, and covers) during this campaign was 1.06 pounds per net ton of hot metal. Investigation of the lining during demolition indicated that the trough lining campaign could have been extended to at least 3.0 million tons. This paper will discuss how operating practices, mechanical design, refractory design, maintenance philosophy, and attention to detail synergistically contributed to the long campaign life and low refractory consumption rate.

Fowles, R.D.; Searls, J.B.; Peay, W.R. [Geneva Steel, Provo, UT (United States); Brenneman, R.G.

1995-12-01T23:59:59.000Z

278

Processing automotive shredder fluff for a blast furnace injection  

E-Print Network [OSTI]

led to an optimized iron recovery of 78.5 % corresponding to an elemental iron content of 51 %, close to the ore grade required in a blast furnace. At the global scale of ELV recycling, these results entail an increase by 4 % of the fluff recycling rate, thus helping to meet the European requirements for 2015

Boyer, Edmond

279

Field measurements of interactions between furnaces and forced air distribution systems  

E-Print Network [OSTI]

of equipment that provides the heating energy (the furnace, boiler or heat pump) and the method usedLBNL 40587 Field measurements of interactions between furnaces and forced air distribution systems Vol. 104 Part 1 Field measurements of interactions between furnaces and forced air distribution

280

High temperature furnaces for small and large angle neutron scattering of disordered materials  

E-Print Network [OSTI]

725 High temperature furnaces for small and large angle neutron scattering of disordered materials and small angle neutron scattering (SANS) experiments respectively. They are vacuum furnaces with a thin maintained in a tantalum box. In a neutron beam, the furnaces produce a very low scattering level (without

Boyer, Edmond

Note: This page contains sample records for the topic "home furnaces ranges" 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

Electrode Arrangement As Substitute Bottom For An Electrothermic Slag Smelting Furnace.  

DOE Patents [OSTI]

The electrode arrangement uses vertically oriented electrodes with side wall contacts for an electrothermic smelting furnace for aluminum production. The side wall contacts are radially moveable into the furnace to compensate for wear on the contacts. The side wall contacts can be hollow to allow a slag forming charge to be fed to the furnace.

Aune, Jan Arthur (Enebakk, NO); Brinch, Jon Christian (Oslo, NO); Johansen, Kai (Kristiansand, NO)

2005-12-27T23:59:59.000Z

282

Coal combustion under conditions of blast furnace injection  

SciTech Connect (OSTI)

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 with particular reference to the coals from the Illinois Basin. Although this research is not yet completed the results to date support the following conclusions: (1) based on the results of computer modeling, lower rank bituminous coals, including coal from the Illinois Basin, compare well in their injection properties with a variety of other bituminous coals, although the replacement ratio improves with increasing rank; (2) based on the results of petrographic analysis of material collected from an active blast furnace, it is clear the coal derived char is entering into the raceway of the blast furnace; (3) the results of reactivity experiments on a variety of coal chars at a variety of reaction temperatures show that lower rank bituminous coals, including coal from the Illinois basin, yield chars with significantly higher reactivities in both air and CO{sub 2} than chars from higher rank Appalachian coals and blast furnace coke. These results indicate that the chars from the lower rank coals should have a superior burnout rate in the tuyere and should survive in the raceway environment for a shorter time. These coals, therefore, will have important advantages at high rates of injection that may overcome their slightly lower replacement rates.

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

1995-12-01T23:59:59.000Z

283

RangeTables.xls  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 -the Mid-Infrared at 278, 298, and 323Program2Raftopoulos(MeVcm²/mg) LET vs. Range

284

Long Range Development Plan  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: VegetationEquipment Surfaces and Interfaces Sample6,Local Correlations andLocalThroughout theLong Range

285

Long Range Operations Schedule  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: VegetationEquipment Surfaces and Interfaces Sample6,Local Correlations andLocalThroughout theLong Range7

286

Long Range Operations Schedule  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: VegetationEquipment Surfaces and Interfaces Sample6,Local Correlations andLocalThroughout theLong Range78

287

New Homes Incentive Program  

Broader source: Energy.gov [DOE]

Energy Trust's New Homes Program offers builders cash incentives for energy efficient measures included in new homes, where the measures exceed the building code. Lighting upgrades, whole home...

288

CfA Home HCO Home SAO Home Donate Search  

E-Print Network [OSTI]

CfA Home HCO Home SAO Home Donate Search Measuring the Ancient Solar Nebula's Magnetic Field meteorites that formed in brief heating events in the young solar nebula. They probably constitute sized constituents of primitive meteorites that formed in brief heating events in the young solar nebula

Walsworth, Ronald L.

289

Low NOx nozzle tip for a pulverized solid fuel furnace  

DOE Patents [OSTI]

A nozzle tip [100] for a pulverized solid fuel pipe nozzle [200] of a pulverized solid fuel-fired furnace includes: a primary air shroud [120] having an inlet [102] and an outlet [104], wherein the inlet [102] receives a fuel flow [230]; and a flow splitter [180] disposed within the primary air shroud [120], wherein the flow splitter disperses particles in the fuel flow [230] to the outlet [104] to provide a fuel flow jet which reduces NOx in the pulverized solid fuel-fired furnace. In alternative embodiments, the flow splitter [180] may be wedge shaped and extend partially or entirely across the outlet [104]. In another alternative embodiment, flow splitter [180] may be moved forward toward the inlet [102] to create a recessed design.

Donais, Richard E; Hellewell, Todd D; Lewis, Robert D; Richards, Galen H; Towle, David P

2014-04-22T23:59:59.000Z

290

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

291

Raceway behaviors in blast furnace with pulverized coal injection  

SciTech Connect (OSTI)

The blast furnace raceway shows different characteristics with PCR (pulverized coal injection rate). It was found in this study that with the increase of PCR the raceway depth decreases, and the size of birds nest and sometimes with liquid holdup, increases. Oxygen enrichment with co-axial lances was known to be very effective on the extension of raceway depth and size reduction of birds nest. It was also found that there are various factors which affect the coke properties at tuyere level of the blast furnace. Coke traveling time was calculated to be extended with PCR and it had a close relationship with the coke size in bosh. Coke mean size decreased with the increase of coke traveling time, that is, with the increase of PCR. Both DI (the strength of coke in cold) and CSR (the strength of coke after reaction) were also decreased with PCR. RAFT (Raceway Adiabatic Flame Temperature) had a tendency to be decreased with the increase of PCR, which is obtained by the estimation of coke temperature via XRD analysis. From the analysis of alkali contents in coke sampled along the radius of the blast furnace, it was understood that no difference in alkali contents between fine and lump coke represents that coke fines generated from upper burden might appear at tuyere level.

Chung, J.K.; Han, J.W.; Cho, B.R. [POSCO, Cheollanamdo (Korea, Republic of)

1995-12-01T23:59:59.000Z

292

Plasma-supported coal combustion in boiler furnace  

SciTech Connect (OSTI)

Plasma activation promotes more effective and environmentally friendly low-rank coal combustion. This paper presents Plasma Fuel Systems that increase the burning efficiency of coal. The systems were tested for fuel oil-free start-up of coal-fired boilers and stabilization of a pulverized-coal flame in power-generating boilers equipped with different types of burners, and burning all types of power-generating coal. Also, numerical modeling results of a plasma thermochemical preparation of pulverized coal for ignition and combustion in the furnace of a utility boiler are discussed in this paper. Two kinetic mathematical models were used in the investigation of the processes of air/fuel mixture plasma activation: ignition and combustion. A I-D kinetic code PLASMA-COAL calculates the concentrations of species, temperatures, and velocities of the treated coal/air mixture in a burner incorporating a plasma source. The I-D simulation results are initial data for the 3-D-modeling of power boiler furnaces by the code FLOREAN. A comprehensive image of plasma-activated coal combustion processes in a furnace of a pulverized-coal-fired boiler was obtained. The advantages of the plasma technology are clearly demonstrated.

Askarova, A.S.; Karpenko, E.I.; Lavrishcheva, Y.I.; Messerle, V.E.; Ustimenko, A.B. [Kazakh National University, Alma Ata (Kazakhstan). Dept. of Physics

2007-12-15T23:59:59.000Z

293

FURNACE INJECTION OF ALKALINE SORBENTS FOR SULFURIC ACID CONTROL  

SciTech Connect (OSTI)

This document summarizes progress on Cooperative Agreement DE-FC26-99FT40718, Furnace Injection of Alkaline Sorbents for Sulfuric Acid Control, during the time period October 1, 2001 through March 31, 2002. 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 Corporation is the prime contractor. This is the fifth reporting period for the subject Cooperative Agreement. During the previous (fourth) period, 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 (at both Gavin 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 previous semi-annual technical progress report (April 1, 2001 through September 30, 2001). During the current reporting period, additional balance of plant impact information was determined for one of the two tests. These additional balance-of-plant results are presented and discussed in this report. There was no other technical progress to report, because all planned testing as part of this project has been completed.

Gary M. Blythe

2002-04-29T23:59:59.000Z

294

FURNACE INJECTION OF ALKALINE SORBENTS FOR SULFURIC ACID CONTROL  

SciTech Connect (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, 2001 through September 30, 2001. 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, and the Dravo Lime Company are project co-funders. URS Corporation is the prime contractor. During the current period, American Electric Power (AEP) joined the project as an additional co-funder and as a provider of a host site for testing. This is the fourth reporting period for the subject Cooperative Agreement. During this period, 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 Station. These 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 Station), and a byproduct magnesium hydroxide slurry (both Gavin Station and BMP). The tests showed that injecting either the commercial or the byproduct magnesium hydroxide slurry could achieve up to 70 to 75% sulfuric acid removal. At BMP, the overall removal was limited by the need to maintain acceptable electrostatic precipitator (ESP) particulate control performance. At Gavin Station, 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. Balance of plant impacts, primarily on the ESP particulate control device, were also determined during both tests. These results are presented and discussed in this report.

Gary M. Blythe

2001-11-06T23:59:59.000Z

295

Time and Temperature Test Results for PFP Thermal Stabilization Furnaces  

SciTech Connect (OSTI)

The national standard for plutonium storage acceptability (standard DOE-STD-3013-99, generally known as ''the 3013 standard'') has been revised to clarify the requirement for processes that will produce acceptable storage materials. The 3013 standard (Reference 1) now states that ''Oxides shall be stabilized by heating the material in an oxidizing atmosphere to a Material Temperature of at least 950 C (1742 F) for not less than 2 hours.'' The process currently in use for producing stable oxides for storage at the Plutonium Finishing Plant (PFP) heats a furnace atmosphere to 1000 C and holds it there for 2 hours. The temperature of the material being stabilized is not measured directly during this process. The Plutonium Process Support Laboratories (PPSL) were requested to demonstrate that the process currently in use at PFP is an acceptable method of producing stable plutonium dioxide consistently. A spare furnace identical to the production furnaces was set up and tested under varying conditions with non-radioactive surrogate materials. Reference 2 was issued to guide the testing program. The process currently in use at the PFP for stabilizing plutonium-bearing powders was shown to heat all the material in the furnace to at least 950 C for at least 2 hours. The current process will work for (1) relatively pure plutonium dioxide, (2) dioxide powders mixed with up to 20 weight percent magnesium oxide, and (3) dioxide powders with up to 11 weight percent magnesium oxide and 20 weight percent magnesium nitrate hexahydrate. Time and temperature data were also consistent with a successful demonstration for a mixture containing 10 weight percent each of sodium and potassium chloride; however, the molten chloride salts destroyed the thermocouples in the powder and temperature data were unavailable for part of that run. These results assume that the current operating limits of no more than 2500 grams per furnace charge and a powder height of no more than 1.5 inches remain in effect, although deeper powder beds (up to 2 inches) also yielded temperatures of greater than 950 C for longer than 2 hours.

COMPTON, J.A.

2000-08-09T23:59:59.000Z

296

Systems for home automation are a necessary component for intelligent smart homes applications.  

E-Print Network [OSTI]

describe a smart home-heating system that is under development. Construct collects the inputs fromAbstract Systems for home automation are a necessary component for intelligent smart homes to provide semantically rich unification over a range of home- and web-based automation systems. 1

Dobson, Simon

297

Range Fuels | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Office of InspectorConcentrating Solar PowerstoriesNrelPartnerType Jump to:Co JumpRETScreen Logo: Range Fuels Name:

298

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

299

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

300

FURNACE INJECTION OF ALKALINE SORBENTS FOR SULFURIC ACID REMOVAL  

SciTech Connect (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 "home furnaces ranges" 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

FURNACE INJECTION OF ALKALINE SORBENTS FOR SULFURIC ACID CONTROL  

SciTech Connect (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

302

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

303

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

304

E-Print Network 3.0 - arc furnace steel Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

TID electric arc furnaces for MSW ash are ... Source: Columbia University - Waste-to-Energy Research and Technology Council (WTERT) Collection: Renewable Energy Page: << < 1 2...

305

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

E-Print Network [OSTI]

by natural gas. Electricity consumption by a furnace blowerto the annual electricity consumption of a major appliance.not account for the electricity consumption of the appliance

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

2006-01-01T23:59:59.000Z

306

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

307

E-Print Network 3.0 - arc furnaces Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

of Solar Energy for the Production of Fullerenes and Summary: with the Odeillo (finance) solar furnace facilities, can be used to vaporize graphite in inert gas atmosphere......

308

E-Print Network 3.0 - arc plasma furnace Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

PLASMA PHYSICS AND ENGINEERING Summary: replace costly traditional technologies as incineration and conventional plasma arc furnaces, and provide... ASSOCIATED LABORATORY ON...

309

E-Print Network 3.0 - arc furnace steelmaking Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

in the furnace cavity. This special ... Source: Oak Ridge National Laboratory Fossil Energy Program; Pint, Bruce A. - Materials Science & Technology Division, Oak Ridge...

310

E-Print Network 3.0 - air furnace design Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

IN MUNICIPAL INCINERATOR Summary: cal to good furnace performance and to mainten ance of air pollution control. Early in 1967 the writer... of the grate roughly equivalent to...

311

Home Energy Solutions for Existing Homes  

Broader source: Energy.gov [DOE]

Energy Trust of Oregon offers a variety of incentives and services through their Home Energy Solutions program. All equipment eligible for incentives needs to meet the efficiency requirements...

312

Active radiometer for self-calibrated furnace temperature measurements  

DOE Patents [OSTI]

Radiometer with a probe beam superimposed on its field-of-view for furnace temperature measurements. The radiometer includes a heterodyne millimeter/submillimeter-wave receiver including a millimeter/submillimeter-wave 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.

Woskov, Paul P. (Bedford, MA); Cohn, Daniel R. (Chestnut Hill, MA); Titus, Charles H. (Newtown Square, PA); Wittle, J. Kenneth (Chester Springs, PA); Surma, Jeffrey E. (Kennewick, WA)

1996-01-01T23:59:59.000Z

313

The limitation of hearth sidewall wear at Redcar blast furnace  

SciTech Connect (OSTI)

The Redcar blast furnace with 14m hearth diameter was blown-in for its second campaign in August 1996. It is currently in its 10th year of operation and to date has produced just over 30 million tonnes. Current plans are to continue the second campaign to the year 2000 and beyond, producing over 40 million tonnes. In order to achieve this objective, any further wear on the lining, and in particular the hearth sidewall, needs to be minimized. This paper describes the present hearth design, the monitoring of hearth wear, the predicted wear profile, and the protection measures that have been taken or are being considered.

Parratt, J.E.

1996-12-31T23:59:59.000Z

314

A system for interpretation of blast furnace stockrod measurements  

SciTech Connect (OSTI)

A system for intelligent monitoring and interpretation of signals from blast furnace stockrods is presented. The system visualizes the measurements and estimates the local burden layer thickness (under the rods) after every dump. Furthermore, it analyzes the burden descent rate to distinguish between slips, hangings, normal descent and peaks, etc., and also combines the stockrod information with findings of temperature measurements from an above-burden probe. The preprocessing of the signals and some features of the system, which is under development, are treated in this paper.

Hinnelae, J.; Saxen, H. [Aabo Akademi Univ. (Finland). Dept. of Chemical Engineering

1997-12-31T23:59:59.000Z

315

Operational results of shaft repair by installing stave type cooler at Kimitsu Nos. 3 and 4 blast furnaces  

SciTech Connect (OSTI)

Nos. 3 and 4 blast furnaces in Nippon Steel Corporation Kimitsu Works were both initially fitted with cooling plate systems. With the aging of each furnace, the damage to their respective inner-shaft profiles had become serious. Thus, in order to prevent operational change and prolong the furnace life, the inner-shaft profile of each furnace was repaired by replacing the former cooling plate system with the stave type cooler during the two-week-shutdowns. With this repair, stability of burden descent and gas flow near the wall part of the furnace have been achieved. Thus the prolongation of the furnace life is naturally expected.

Oda, Hiroshi; Amano, Shigeru; Sakamoto, Aiichiro; Anzai, Osamu [Nippon Steel Corp., Kimitsu, Chiba (Japan). Kimitsu Works; Nakagome, Michiru; Kuze, Toshisuke [Nippon Steel Corp., Futtsu, Chiba (Japan); Imuta, Akira [Nippon Steel Corp., Tokyo (Japan). Plant and Machinery Div.

1997-12-31T23:59:59.000Z

316

Home | Register Web Search: News Home Page  

E-Print Network [OSTI]

Home | Register Web Search: News Home Page News Digest Photo Galleries Politics Nation Science bright to dark; each change represents one digital "bit" of information. The problem is equivalent) [4/7/2000 2:39:49 PM] #12;Toolbox On the Web Census information Federal crime data Economy by region

Hochberg, Michael

317

Blast furnace coke quality in relation to petroleum coke addition  

SciTech Connect (OSTI)

The incorporation of petroleum coke as an additive in industrial coking coal blends is a practice often used by steel companies. A suitable blast furnace coke produced by replacing part of the coking coal blend with a suitable petroleum coke (addition of 5 to 15%), was made by Great Lakes Carbon Corporation and successfully tested at several blast furnaces. This coke had lower reactivity, less ash and slightly higher sulfur content than coke made without the addition of petroleum coke. In contrast with these results, it has been reported in a BCRA study that additions of petroleum coke to a strong coking coal, above 5 wt%, increased coke reactivity. These differences may be explained on the basis of the coal or blend characteristics to which petroleum coke is added. Petroleum coke addition seems to give better results if the coal/blend has high fluidity. The present situation in Spain is favorable for the use of petroleum coke. So, a study of laboratory and semi-industrial scale was made to assess the possibility of using petroleum coke as an additive to the typical industrial coal blend coked by the Spanish Steel Company, ENSIDESA. The influence of the petroleum coke particle size was also studied to semi-industrial scale.

Alvarez, R.; Diez, M.A.; Menendez, J.A.; Barriocanal, C.; Pis, J.J. [CSIC, Oviedo (Spain). Inst. Nacional del Carbon; Sirgado, M. [ENSIDESA, Aviles (Spain)

1995-12-01T23:59:59.000Z

318

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

319

DOE Publishes Final Rule for Residential Furnace Fan Test Procedure |  

Energy Savers [EERE]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Deliciouscritical_materials_workshop_presentations.pdf MoreProgram |DOEInfrastructureEnergy DOEDepartment of

320

Furnace Blower Performance Improvements - Building America Top Innovation |  

Energy Savers [EERE]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Office of Inspector General Office0-72.pdf Flash2010-72.pdfAccomplishments |ActivitiesStandardsEnergy

Note: This page contains sample records for the topic "home furnaces ranges" 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

Biomass Boiler and Furnace Emissions and Safety Regulations in the  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Office of InspectorConcentrating SolarElectricEnergyCTBarre BiomassTHIS PAGE IS UNDER(Redirected from -

322

American Gas Association (AGA) for DOE Furnace Product Class | Department  

Energy Savers [EERE]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustionImprovement3--Logistical Challenges to Smart Grid Implementation |Challenge America'sof

323

DOE Challenge Home Program  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:YearRound-Up fromDepartmentTieCelebratePartnersDepartment of EnergyEnergy

324

Homes | Department of Energy  

Energy Savers [EERE]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion |Energy UsageAUDITVehicles » Alternative Fuel VehiclesMediaDepartment

325

Home Energy Score Program  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:YearRound-UpHeatMulti-Dimensional Subject:Ground HawaiiWaste

326

Long life hearth in blast furnace -- Kokura No. 2 B.F. of Sumitomo Metals  

SciTech Connect (OSTI)

The factors elongating hearth life of Sumitomo Kokura No. 2 B.F. were investigated by use of an estimation system of the furnace hearth condition, which consisted of four mathematical simulation models. Lowered heat load operation together with integrated design of both refractories and cooling enabled the furnace life to be extended for over 16 years without severe damage in the hearth.

Yamamoto, Takaiku; Sunahara, Kouhei; Inada, Takanobu; Takatani, Kouji; Miyahara, Mitsuo; Sato, Yasusi; Hatano, Yasuhiko; Takata, Kouzo

1997-12-31T23:59:59.000Z

327

Air Leakage of Furnaces and Air Handlers Iain S. Walker, Mike Lubliner, Darryl Dickerhoff,  

E-Print Network [OSTI]

Air Leakage of Furnaces and Air Handlers of California. #12;1 Air Leakage of Furnaces and Air Handlers Iain S. Walker, LBNL Mike Lubliner, Washington been made in reducing air leakage in residential and to a lesser extent small commercial forced air

328

Evaluation of PFP Furnace Systems for Thermal Stabilization of Washed High Chloride Plutonium Oxide Items  

SciTech Connect (OSTI)

High chloride content plutonium (HCP) oxides are impure plutonium oxide scrap which contains NaCl, KCl, MgCl2 and/or CaCl2 salts at potentially high concentrations and must be stabilized at 950 C per the DOE Standard, DOE-STD-3013-2000. The chlorides pose challenges to stabilization because volatile chloride salts and decomposition products can corrode furnace heating elements and downstream ventilation components. A high-temperature furnace (same make and model as used at the RMC at Plutonium Finishing Plant) and the associated offgas system were set up at PNNL to identify system vulnerabilities and to investigate alternative materials and operating conditions that would mitigate any corrosion and plugging of furnace and offgas components. The key areas of interest for this testing were the furnace heating elements, the offgas line located inside the furnace, the offgas line between the furnace and the filter/knockout pot, the filter/knockout pot, the sample boat, and corrosion coupons to evaluate alternative materials of construction. The evaluation was conducted by charging the furnace with CeO2 that had been impregnated with a mixture of chloride salts (selected to represent the expected residual chloride salt level in washed high chloride items) and heated in the furnace in accordance with the temperature ramp rates and hold times used at PFP.

Fischer, Christopher M.; Elmore, Monte R.; Schmidt, Andrew J.; Gerber, Mark A.; Muzatko, Danielle S.; Gano, Susan R.; Thornton, Brenda M.

2002-12-17T23:59:59.000Z

329

Our scenario is akin to the magnetic furnace model proposed by Axford and  

E-Print Network [OSTI]

Our scenario is akin to the magnetic furnace model proposed by Axford and McKenzie (14­16) and to ideas invoking reconnection of mesoscale loops (38, 39). We adopt from the furnace model the idea. However, our model of the nascent solar wind is intrinsically 3-D, and the magnetic field geometry

Pe'er, Dana

330

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

SciTech Connect (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

331

Optimization of ferrous burden high temperature properties to meet blast furnace requirements in British Steel  

SciTech Connect (OSTI)

The high temperature properties of ferrous burden materials have long been an important consideration in the operation of British Steel blast furnaces. Previous research presented at this conference has shown that the behavior of materials in the lower stack and bosh can have a significant effect on furnace permeability and stability of operation. However, with increasing levels of hydrocarbon injection via the tuyeres, the reduction conditions inside British Steel blast furnaces have significantly altered over recent years. This paper focuses on the further work that has been undertaken to study the effect on ferrous burden high temperatures properties of the widely differing reduction regimes which can be experienced in today`s blast furnaces. The implications of the findings, and how they have been used in optimizing blast furnace operation and burden quality, are discussed.

Bergstrand, R.

1996-12-31T23:59:59.000Z

332

Home Energy Assessments  

ScienceCinema (OSTI)

A home energy assessment, also known as a home energy audit, 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 significant amounts of money over time. This video shows some of the ways that a contractor may test your home during an assessment, and helps you understand how an assessment can help you move toward energy savings. Find out more at: http://www.energysavers.gov/your_home/energy_audits/index.cfm/mytopic=11160

Dispenza, Jason

2013-05-29T23:59:59.000Z

333

Home Energy Assessments  

SciTech Connect (OSTI)

A home energy assessment, also known as a home energy audit, 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 significant amounts of money over time. This video shows some of the ways that a contractor may test your home during an assessment, and helps you understand how an assessment can help you move toward energy savings. Find out more at: http://www.energysavers.gov/your_home/energy_audits/index.cfm/mytopic=11160

Dispenza, Jason

2010-01-01T23:59:59.000Z

334

DOE Zero Energy Ready Home Case Study: Southern Homes, Russellville...  

Broader source: Energy.gov (indexed) [DOE]

Southern Homes, Russellville, AL DOE Zero Energy Ready Home Case Study: Southern Homes, Russellville, AL Case study of the first manufactured home built to the DOE Zero Energy...

335

Energy Conservation Program for Certain Industrial Equipment: Energy Conservation Standards for Commercial Warm Air Furnaces, Notice of Proposed Rulemaking  

Broader source: Energy.gov [DOE]

Energy Conservation Program for Certain Industrial Equipment: Energy Conservation Standards for Commercial Warm Air Furnaces, Notice of Proposed Rulemaking

336

Quantification of Liquid Holdup in the Dropping Zone of a Blast Furnace--A Cold Model Study  

E-Print Network [OSTI]

.S. GUPTA and K. NAVEEN A two-dimensional cold model study, replicating an ironmaking blast furnace dropping

337

Guidelines for Home Energy Professionals Project (Brochure)  

SciTech Connect (OSTI)

The Guidelines for Home Energy Professionals is a collaboration between the U.S. Department of Energy (DOE) and a wide range of home energy performance industry professionals. The Guidelines project, managed by the National Renewable Energy Laboratory (NREL) for DOE, addresses the need for a highly-skilled weatherization workforce equipped to complete consistent, high-quality home energy upgrades for single-family homes, multifamily homes, and manufactured housing. In doing so, it helps increase energy efficiency in housing, which can mitigate climate change, one of the major challenges of the 21st century.

Not Available

2014-03-01T23:59:59.000Z

338

Thermodynamics of TiO{sub x} in blast furnace-type slags  

SciTech Connect (OSTI)

Equilibrium studies between CaO-SiO{sub 2}-10 pct MgO-Al{sub 2}O{sub 3}-TiO{sub 1.5}-TiO{sub 2} slags, carbon-saturated iron, and a carbon monoxide atmosphere were performed at 1773 K to determine the activities of TiO{sub 1.5} and TiO{sub 2} in the slag. These thermodynamic parameters are required to predict the formation of titanium carbonitride in the blast furnace. In order to calculate the activity of titanium oxide, the activity coefficient of titanium in carbon-saturated iron-carbon-titanium alloys was determined by measuring the solubility of titanium in carbon-saturated iron in equilibrium with titanium carbide. The solubility and the activity coefficient of titanium obtained were 1.3 pct and 0.023 relative to 1 wt pct titanium in liquid iron or 0.0013 relative to pure solid titanium at 1773 K, respectively. Over the concentration range studied, the effect of the TiO{sub x} content on its activity coefficient is small. In the slag system studied containing 35 to 50 pct CaO, 25 to 45 pct SiO{sub 2}, 7 to 22 pct Al{sub 2}O{sub 3}, and 10 pct MgO, the activity coefficients of TiO{sub 1.5} and TiO{sub 2} relative to pure solid standard states range from 2.3 to 8.8 and from 0.1 to 0.3, respectively. Using thermodynamic data obtained, the prediction of the formation of titanium carbonitride was made. Assuming hypothetical TiO{sub 2}, i.e., total titanium in the slag expressed as TiO{sub 2}, and using the values of the activity coefficients of TiO{sub 1.5} and TiO{sub 2} determined, the equilibrium distribution of titanium between blast furnace-type slags and carbon-saturated iron was computed. The value of [pct Ti]/(pct TiO{sub 2}) ranges from 0.1 to 0.2.

Morizane, Y.; Ozturk, B.; Fruehan, R.J. [Carnegie Mellon Univ., Pittsburgh, PA (United States). Dept. of Materials Science and Engineering

1999-02-01T23:59:59.000Z

339

Home Maintenance Manual.  

E-Print Network [OSTI]

they become serious. The accompanying home maintenance plan is one way of setting up a regular inspection program. The checklist suggests maintenance and the best time to inspect. Revise or add to this checklist to meet your needs. HOME MAINTENANCE...

Anonymous,

1985-01-01T23:59:59.000Z

340

UNDERSTANDING HOME RENOVATION DECISIONS  

E-Print Network [OSTI]

UNDERSTANDING HOME RENOVATION DECISIONS - A Research Project - Background to Our Research Energy to renovate their homes. We're interested in energy efficiency, but in all other efficient renova/ons can lower energy bills, improve comfort by reducing dra

Watson, Andrew

Note: This page contains sample records for the topic "home furnaces ranges" 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

Processing Poultry at Home  

E-Print Network [OSTI]

With hot water for scalding, ice water for chilling and a sharp knife, poultry can be processed at home for dressed poultry shows or home consumption. This publication discusses facilities and equipment, New York dressing, evisceration, chilling...

Davis, Michael

2006-01-04T23:59:59.000Z

342

Processing electric arc furnace dust into saleable chemical products  

SciTech Connect (OSTI)

The modern steel industry uses electric arc furnace (EAF) technology to manufacture steel. A major drawback of this technology is the production of EAF dust, which is listed by the U.S. Environmental Protection Agency as a hazardous waste under the Resource Conservation and Recovery Act. The annual disposal of approximately 0.65 million tons of EAF dust in the United States and Canada is an expensive, unresolved problem for the steel industry. EAF dust byproducts are generated during the manufacturing process by a variety of mechanisms. The dust consists of various metals (e.g., zinc, lead, cadmium) that occur as vapors at 1,600{degrees}C (EAF hearth temperature); these vapors are condensed and collected in a baghouse. The production of one ton of steel will generate approximately 25 pounds of EAF dust as a byproduct, which is currently disposed of in landfills.

NONE

1998-04-01T23:59:59.000Z

343

Operational considerations for high level blast furnace fuel injection  

SciTech Connect (OSTI)

Injection levels of over 400 lbs/NTHM for coal, over 250 lbs/NTHM for natural gas and over 200 lbs/NTHM for oil have been achieved. Such high levels of fuel injection has a major impact on many aspects of blast furnace operation. In this paper the author begins by reviewing the fundamentals of fuel injection with emphasis on raceway thermochemical phenomena. The operational impacts which are generic to high level injection of any injectant are then outlined. The author will then focus on the particular characteristics of each injectant, with major emphasis on coal and natural gas. Operational considerations for coping with these changes and methods of maximizing the benefits of fuel injection will be reviewed.

Poveromo, J.J. [Quebec Cartier Mining Co., Bethlehem, PA (United States)

1996-12-31T23:59:59.000Z

344

Effect of furnace atmosphere on E-glass foaming Dong-Sang Kim a,*, Bryan C. Dutton b  

E-Print Network [OSTI]

Effect of furnace atmosphere on E-glass foaming Dong-Sang Kim a,*, Bryan C. Dutton b , Pavel R in revised form 21 August 2006 Abstract The effect of furnace atmosphere on E-glass foaming has been studied with the specific goal of understanding the impact of increased water content on foaming in oxy-fired furnaces. E-glass

Pilon, Laurent

345

Trials with a 100% pellet burden in blast furnace No. 6 at Hoogovens IJmuiden  

SciTech Connect (OSTI)

The burden consists of 50% high basicity sinter and 50% home made olivine pellets. Two coke oven plants produce the required coke, about 340 kg/t (680 lb/NT). The average pulverized coal injection rate is 150 kg/t (300 lb/NT). To anticipate the aging coke oven plant No. 2 the coal injection capacity will e increased by 50% in 1996, by the installation of a third coal grinding line. In the Netherlands environmental issues have a high impact on further developments. In particular the environmental regulations require a significant decrease of dust, SO{sub 2} and dioxins emitted by the sinter plant. The appropriate measures must be concluded in the second part of this decade. To avoid costly conventional solutions Hoogovens has been testing since April, 1994 the Emission Optimized Sintering (EOS). In case of failure of EOS, the situation of a (partially) closed sinter plant was tested. Purchased pellets replaced sinter, leading to a 100% pellet and an 80% pellet/20% sinter trial. The trials were executed in the first half of 1994 at blast furnace No. 6, equipped with a PW-bell less top. Results are described.

Schoone, E.; Toxopeus, H.; Vos, D. [Hoogovens IJmuiden (Netherlands). Ironmaking and Raw Materials Div.

1995-12-01T23:59:59.000Z

346

High-Efficiency Low-Dross Combustion System for Aluminum Remelting Reverberatory Furnaces, Project Final Report, July 2005  

SciTech Connect (OSTI)

GTI, and its commercial partners, have developed a high-efficiency low-dross combustion system that offers environmental and energy efficiency benefits at lower capital costs for the secondary aluminum industry users of reverberatory furnaces. The high-efficiency low-dross combustion system, also called Self-Optimizing Combustion System (SOCS), includes the flex-flame burner firing an air or oxygen-enriched natural gas flame, a non-contact optical flame sensor, and a combustion control system. The flex-flame burner, developed and tested by GTI, provides an innovative firing process in which the flame shape and velocity can be controlled. The burner produces a flame that keeps oxygen away from the bath surface by including an O2-enriched fuel-rich zone on the bottom and an air-fired fuel-lean zone on the top. Flame shape and velocity can be changed at constant firing rate or held constant over a range of firing conditions. A non-intrusive optical sensor is used to monitor the flame at all times. Information from the optical sensor(s) and thermocouples can be used to control the flow of natural gas, air, and oxygen to the burner as needed to maintain desired flame characteristics. This type of control is particularly important to keep oxygen away from the melt surface and thus reduce dross formation. This retrofit technology decreases fuel usage, increases furnace production rate, lowers gaseous emissions, and reduces dross formation. The highest priority research need listed under Recycled Materials is to turn aluminum process waste into usable materials which this technology accomplishes directly by decreasing dross formation and therefore increasing aluminum yield from a gas-fired reverberatory furnace. Emissions of NOx will be reduced to approximately 0.3 lb/ton of aluminum, in compliance with air emission regulations.

Soupos, V.; Zelepouga, S.; Rue, D.

2005-06-30T23:59:59.000Z

347

Optimizing Blast Furnace Operation to Increase Efficiency and Lower Costs  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion | Department ofT ib l L d F SSales LLCDiesel Enginesthe U.S. -- An2008 | Department

348

New Energy Efficiency Standards for Furnace Fans to Reduce Carbon  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:Year in3.pdfEnergy HealthCommentsAugustNationalMarkets with Wind PowerProcesses |FY

349

Optimizing Blast Furnace Operation to Increase Efficiency and Lower Costs |  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:Year in3.pdfEnergyDepartment ofOil's Impact on Our National- 2013EnergyOptimizeDepartment

350

Paired Straight Hearth Furnace-Transformational Ironmaking Process  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:Year in3.pdfEnergyDepartment ofOil's Impact on2005-74LaboratoriesCERCLA Process Project

351

Reduce Air Infiltration in Furnaces | Department of Energy  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:Year in3.pdfEnergyDepartmentEnergy DataRemediated | DepartmentRecruit MilitaryRedAir

352

Strategy Guideline: Demonstration Home  

SciTech Connect (OSTI)

This guideline will provide a general overview of the different kinds of demonstration home projects, a basic understanding of the different roles and responsibilities involved in the successful completion of a demonstration home, and an introduction into some of the lessons learned from actual demonstration home projects. Also, this guideline will specifically look at the communication methods employed during demonstration home projects. And lastly, we will focus on how to best create a communication plan for including an energy efficient message in a demonstration home project and carry that message to successful completion.

Savage, C.; Hunt, A.

2012-12-01T23:59:59.000Z

353

Partnership for Home Innovation  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion | Department ofT ib l L d F SSalesOE0000652Grow Your Energy Efficiency

354

Home - Energy Innovation Portal  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary)morphinanInformation InInformation InExplosion Monitoring:Home| Visitors|Upcoming EventsFriday,Home Site Map

355

Home - Pantex Plant  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary)morphinanInformation InInformation InExplosion Monitoring:Home| Visitors|Upcoming EventsFriday,Home Site Map

356

Mountain Laurel Home  

Energy Savers [EERE]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Office of Inspector General Office0-72.pdfGeorgeDoesn't32Department of EnergyDepartmentJulyRefineryEnergy

357

My Home EQ  

Energy Savers [EERE]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Office of Inspector General Office0-72.pdfGeorgeDoesn't32Department ofMoving AwayAvailability of

358

DOE Challenge Home Verification  

Energy Savers [EERE]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion |Energyon ArmedWasteDepartment of Energy Loan ofandEnvironmental ManagementDOE DOE

359

Role of hydrogen in blast furnaces to improve productivity and decrease coke consumption  

SciTech Connect (OSTI)

The hydrogen contained in blast furnace gases exerts a variety of physical, thermochemical, and kinetic effects as the gases pass through the various zones. The hydrogen is derived from two sources: (1) the dissociation of moisture in the blast air (ambient and injected with hot blast), and (2) the release from partial combustion of supplemental fuels (including moisture in atomizing water, steam, or transport air, if any). With each atom of oxygen (or carbon), the molar amounts of hydrogen released are more than six times higher for natural gas than for coal, and two times higher for natural gas than for oil. Injection of natural gas in a blast furnace is not a new process. Small amounts of natural gas--about 50--80 lb or 1,100--1,700 SCF/ton of hot metal--have been injected in many of the North American blast furnaces since the early 1960s, with excellent operating results. What is new, however, is a batter understanding of how natural gas reacts in the blast furnace and how natural gas and appropriate quantities of oxygen can be used to increase the driving rate or combustion rate of carbon (coke) in the blast furnace without causing hanging furnace and operating problems. The paper discusses the factors limiting blast furnace productivity and how H{sub 2} and O{sub 2} can increase productivity.

Agarwal, J.C.; Brown, F.C.; Chin, D.L.; Stevens, G.; Clark, R.; Smith, D.

1995-12-01T23:59:59.000Z

360

Manufactured Homes Simulated Thermal Analysis and Cost Effectiveness Report.  

SciTech Connect (OSTI)

In 1988 and 1989, 150 manufactured homes were built to comply with Super Good Cents (SGC) specifications adapted from the existing specifications for site-built homes under the Residential Construction Demonstration Project (RCDP). Engineering calculations and computer simulations were used to estimate the effects of the SGC specifications on the thermal performance of the homes. These results were compared with consumer costs to establish the cost-effectiveness of individual measures. Heat loss U-factors for windows, walls, floors and ceilings were established using the standard ASHRAE parallel heat flow method. Adjustments resulted in higher U-factors for ceilings and floors than assumed at the time the homes were approved as meeting the SGC specifications. Except for those homes which included heat pumps, most of the homes did not meet the SGC compliance standards. Nonetheless these homes achieved substantial reductions in overall heat loss rate (UA) compared to UAs estimated for the same homes using the standard insulation packages provided by the manufacturers in the absence of the RCDP program. Homes with conventional electric furnaces showed a 35% reduction in total UA while homes with heat pumps had a 25% reduction. A regression analysis showed no significant relationship between climate zone, manufacturer and UA. A modified version of SUNDAY building simulation program which simulates duct and heat pump performance was used to model the thermal performance of each RCDP home as built and the same home as it would have been built without SGC specifications (base case). Standard assumptions were used for thermostat setpoint, thermal mass, internal gains and infiltration rates. 11 refs., 5 figs., 5 tabs.

Baylon, David

1990-05-17T23:59:59.000Z

Note: This page contains sample records for the topic "home furnaces ranges" 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

DOE Zero Energy Ready Home Case Study: Green Extreme Homes &...  

Energy Savers [EERE]

Green Extreme Homes & Carl Franklin Homes, Garland, TX DOE Zero Energy Ready Home Case Study: Green Extreme Homes & Carl Franklin Homes, Garland, TX Case study of a DOE Zero Energy...

362

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

SciTech Connect (OSTI)

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

363

Monitoring lining and hearth conditions at Inland`s No. 7 blast furnace  

SciTech Connect (OSTI)

The paper describes: furnace statistics; mini-reline undertaken in November, 1993; the stack condition; throat gunning; stabilizing the graphite bricks; the hearth condition; reactions to temperature excursions; future instrumentation; and hot blast system areas of concern. The present data from monitoring systems and inspections indicate that the furnace should be able to operate well beyond the expectation for the 1993 mini-reline (3--5 years) with: (1) consistent, high quality raw materials; (2) instrumentation, diagnostic, remedial, and preventative techniques developed; and (3) stopping quickly any water leaks into the furnace. The longevity of this campaign has undoubtedly been a result of this monitoring program.

Quisenberry, P.; Grant, M.; Carter, W.

1997-12-31T23:59:59.000Z

364

Model of the radial distribution of gas in the blast furnace  

SciTech Connect (OSTI)

This paper describes an on-line model for estimating the radial gas distribution in blast furnaces. The model is based on molar and energy flow balances for the blast furnace throat region, and utilizes the top gas temperature and gas temperature measurements from a fixed above-burden probe. The distribution of the gas flux is estimated by a Kalman filter. The method is illustrated to capture short-term dynamics and to detect sudden major changes in the gas distribution in Finnish blast furnace.

Nikus, M.; Saxen, H. [Aabo Akademi Univ. (Finland). Dept. of Chemical Engineering

1996-12-31T23:59:59.000Z

365

On numerical simulation of flow, heat transfer and combustion processes in tangentially-fired furnace  

SciTech Connect (OSTI)

In this work, an Eulerian/Lagrangian approach has been employed to investigate numerically flow characteristics, heat transfer and combustion processes inside corner-fired power plant boiler furnace. To avoid pseudo-diffusion that is significant in modeling tangentially-fired furnaces, some attempts have been made at improving the finite-difference scheme. Comparisons have been made between standard {kappa}-{epsilon} model and RNG {kappa}-{epsilon} model. Some new developments on turbulent diffusion of particles are taken into account in an attempt to improve computational accuracy. Finally, temperature deviation is studied numerically so as to gain deeper insight into tangentially fired furnace.

Sun, P.; Fan, J.; Cen, K.

1999-07-01T23:59:59.000Z

366

Home Safety: Radon Gas  

E-Print Network [OSTI]

Every home should be tested for radon, an invisible, odorless, radioactive gas that occurs naturally. Radon is estimated to be the second leading cause of lung cancer in the United States. However, with proper equipment, radon is easy to detect... poten- tial for radon (Fig. 1), homes in Texas have been found to have radon levels that exceed U.S. Environ- mental Protection Agency (EPA) recommendations. Every home is susceptible to a radon gas problem. Health/cancer risks Radon produces...

Shaw, Bryan W.; Denny, Monica L.

1999-11-12T23:59:59.000Z

367

AISI/DOE Advanced Process Control Program Vol. 1 of 6: Optical Sensors and Controls for Improved Basic Oxygen Furnace Operations  

SciTech Connect (OSTI)

The development of an optical sensor for basic oxygen furnace (BOF) off-gas composition and temperature in this Advanced Process Control project has been a laboratory spectroscopic method evolve into a pre-commercialization prototype sensor system. The sensor simultaneously detects an infrared tunable diode laser ITDL beam transmitted through the process off-gas directly above the furnace mouth, and the infrared greybody emission from the particulate-laden off-gas stream. Following developmental laboratory and field-testing, the sensor prototype was successfully tested in four long-term field trials at Bethlehem Steel's Sparrows Point plant in Baltimore, MD> The resulting optical data were analyzed and reveal correlations with four important process variables: (1) bath turndown temperature; (2) carbon monoxide post-combustion control; (2) bath carbon concentration; and (4) furnace slopping behavior. The optical sensor measurement of the off-gas temperature is modestly correlated with bath turndown temperature. A detailed regression analysis of over 200 heats suggests that a dynamic control level of +25 Degree F can be attained with a stand-alone laser-based optical sensor. The ability to track off-gas temperatures to control post-combustion lance practice is also demonstrated, and may be of great use in optimizing post-combustion efficiency in electric furnace steelmaking operations. In addition to the laser-based absorption spectroscopy data collected by this sensor, a concurrent signal generated by greybody emission from the particle-laden off-gas was collected and analyzed. A detailed regression analysis shows an excellent correlation of a single variable with final bath turndown carbon concentration. Extended field trials in 1998 and early 1999 show a response range from below 0.03% to a least 0.15% carbon concentration with a precision of +0.0007%. Finally, a strong correlation between prolonged drops in the off-gas emission signal and furnace slopping events was observed. A simple computer algorithm was written that successfully predicts furnace slopping for 90% of the heats observed; over 80% are predicted with at least a 30-second warning prior to the initial slopping events,

Sarah Allendorf; David Ottesen; Donald Hardesty

2002-01-31T23:59:59.000Z

368

Ozark Mountain solar home  

SciTech Connect (OSTI)

If seeing is believing, Kyle and Christine Sarratt are believers. The couple has been living in their passive solar custom home for almost two years, long enough to see a steady stream of eye-opening utility bills and to experience the quality and comfort of energy-efficient design. Skeptical of solar homes at first, the Sarratts found an energy-conscious designer that showed them how they could realize their home-building dreams and live in greater comfort while spending less money. As Kyle says, {open_quotes}We knew almost nothing about solar design and weren`t looking for it, but when we realized we could get everything we wanted in a home and more, we were sold.{close_quotes} Now the couple is enjoying the great feeling of solar and wood heat in the winter, natural cooling in the summer and heating/cooling bills that average less than $20/month. The Sarratts` home overlooks a large lake near the town of Rogers, tucked up in the northwest corner of Arkansas. It is one of three completed homes out of 29 planned for the South Sun Estates subdivision, where homes are required by covenant to incorporate passive solar design principles. Orlo Stitt, owner of Stitt Energy Systems and developer of the subdivision, has been designing passive solar, energy-efficient homes for twenty years. His passive solar custom home development is the first in Arkansas.

Miller, B.

1998-03-01T23:59:59.000Z

369

Energy Efficiency -- Home Page  

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

If you are having trouble, call 202-586-8800 for help. Home >Energy Users EEnergy Efficiency Page Energy-Efficiency Measurement MEASUREMENT DISCUSSION: Measures and Policy Issues...

370

Geothermal: Home Page  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-SeriesFlickr Flickr Editor'sshortGeothermal Heat Pumps GeothermalAdvancedHome

371

Behavioral Perspectives on Home Energy Audits: The Role of Auditors, Labels, Reports, and Audit Tools on Homeowner Decision Making  

E-Print Network [OSTI]

to  the  furnace  room   Installed  solar  attic  fan  furnaces,  or  even  more   unusual  activity  such  as  installing  solar  for  solar.   We  have  a  crappy  furnace.   We  looked  

Ingle, Aaron

2013-01-01T23:59:59.000Z

372

Titanium addition practice, and maintenance for the hearths in AHMSA`s blast furnaces  

SciTech Connect (OSTI)

Altos Hornos de Mexico (AHMSA) is a steel company located in Northern Mexico, in the state of Coahuila. Currently there are three blast furnaces in operation and one more about to finish its general repair. This last one is to remain as a back-up unit. Because of blast furnace hearth wear outs AHMSA has developed some maintenance procedures. These procedures are based on titanium ore additions and hearth thermic control monitoring. There are also some other maintenance practices adopted to the working operations to assure that such operations detect and avoid in time hearth wear outs that place personnel and/or the unit in danger (due to hearth leaks). This paper describes titanium ore addition to No. 2 blast furnace during the final campaign and it also illustrates maintenance practices and continuous monitoring of temperature trends both of which were implemented at AHMSA`s No. 5 blast furnace.

Boone, A.G.; Jimenez, G.; Castillo, J. [Altos Hornos de Mexico, Monclova (Mexico)

1997-12-31T23:59:59.000Z

373

Operational results for high pulverized coal injection rate at Kimitsu No. 3 blast furnace  

SciTech Connect (OSTI)

In order to further develop the technology for high-rate pulverized coal injection (PCI), namely over 200 kg/t-pig, Nippon Steel performed a high injection rate test at the Kimitsu No. 3 blast furnace in November, 1993. The paper describes PCI equipment; the operational design of the test, including blast conditions, reducibility of sinter, coke strength and burden distribution; and test results. These results include a discussion of the transition of operation, burden distribution control, replacement ratio of coke, permeability at upper and lower parts of the furnace, reducibility at lower part of the furnace, accumulation of fines in the deadman, and generation and accumulation of unburnt char. Stable operation was achieved at a PCI rate of 190 kg/t-pig. With injection rates between 200--300 kg/t-pig, the problem becomes how to improve the reduction-meltdown behavior in the lower part of the furnace.

Ueno, Hiromitsu; Matsunaga, Shin`ichi; Kakuichi, Kazumoto; Amano, Shigeru; Yamaguchi, Kazuyoshi

1995-12-01T23:59:59.000Z

374

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

Broader source: Energy.gov [DOE]

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...

375

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

E-Print Network [OSTI]

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...

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

1983-01-01T23:59:59.000Z

376

BLAST FURNACE GRANULAR COAL INJECTION SYSTEM. Final Report Volume 2: Project Performance and Economics  

SciTech Connect (OSTI)

Bethlehem Steel Corporation (BSC) requested financial assistance from the Department of Energy (DOE), for the design, construction and operation of a 2,800-ton-per-day blast furnace granulated coal injection (BFGCI) system for two existing iron-making blast furnaces. The blast furnaces are located at BSC's facilities in Burns Harbor, Indiana. The demonstration project proposal was selected by the DOE and awarded to Bethlehem in November 1990. The design of the project was completed in December 1993 and construction was completed in January 1995. The equipment startup period continued to November 1995 at which time the operating and testing program began. The blast furnace test program with different injected coals was completed in December 1998.

Unknown

1999-10-01T23:59:59.000Z

377

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

E-Print Network [OSTI]

2001 Residential Energy Consumption Survey (RECS 2001; USenergy consumption of residential furnaces and boilers in U.S.US Department of Energy (2001). Residential energy consump- tion survey: household energy consumption

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

2010-01-01T23:59:59.000Z

378

Rangely, Colorado: Energy Resources | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia:FAQ < RAPID Jump to: navigation, search RAPIDColoradosource HistoryRaftRamsey,Rangely, Colorado: Energy

379

The Home Microbiome Project  

SciTech Connect (OSTI)

The Home Microbiome Project is an initiative aimed at uncovering the dynamic co-associations between people's bacteria and the bacteria found in their homes.The hope is that the data and project will show that routine monitoring of the microbial diversity of your body and of the environment in which you live is possible.

Gilbert, Jack

2014-08-25T23:59:59.000Z

380

The Home Microbiome Project  

ScienceCinema (OSTI)

The Home Microbiome Project is an initiative aimed at uncovering the dynamic co-associations between people's bacteria and the bacteria found in their homes.The hope is that the data and project will show that routine monitoring of the microbial diversity of your body and of the environment in which you live is possible.

Gilbert, Jack

2014-09-15T23:59:59.000Z

Note: This page contains sample records for the topic "home furnaces ranges" 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

GREEN HOMES LONG ISLAND  

E-Print Network [OSTI]

energy bill, reduce your carbon footprint... at little or no cost to you. #12;A Message From Supervisor energy-efficient and reduce our community's carbon footprint. Why do we call it Long Island Green Homes to yourevery day. By making basic improvements to yourevery day home, you can reduce your carbon footprint

Kammen, Daniel M.

382

DOE Zero Energy Ready Home: Healthy Efficient Homes - Spirit...  

Energy Savers [EERE]

Old Greenwich, CT, Custom DOE Zero Energy Ready Home Case Study: Cobblestone Homes, Midland, MI DOE Zero Energy Ready Home Case Study: Caldwell and Johnson, Charlestown, RI...

383

Optical Sensors for Post Combustion Control in Electric Arc Furnace Steelmaking (TRP 9851)  

SciTech Connect (OSTI)

Working in collaboration with Stantec Global Technologies, Process Metrix Corporation, and The Timken Company, Sandia National Laboratories constructed and evaluated a novel, laser-based off-gas sensor at the electric arc furnace facility of Timken's Faircrest Steel Plant (Canton, Ohio). The sensor is based on a mid-infrared tunable diode laser (TDL), and measures the concentration and temperature of specific gas species present in the off-gas emanating from the EAF. The laser beam is transmitted through the gas stream at the fourth hole of the EAF, and provides a real-time, in situ measurement that can be used for process optimization. Two sets of field tests were performed in parallel with Stantec's extractive probe off-gas system, and the tests confirm the TDL sensor's operation and applicability for electric steel making. The sensor measures real-time, in situ line-of-sight carbon monoxide (CO) concentrations between 5% and 35% CO, and measures off-gas temperature in the range of 1400 to 1900 K. In order to achieve commercial-ready status, future work is required to extend the sensor for simultaneous CO and CO{sub 2} concentration measurements. In addition, long-term endurance tests including process optimization must be completed.

Sarah W. Allendorf; David K. Ottesen; Robert W. Green; Donald R. Hardesty; Robert Kolarik; Howard Goodfellow; Euan Evenson; Marshall Khan; Ovidiu Negru; Michel Bonin; Soren Jensen

2003-12-31T23:59:59.000Z

384

Understanding environmental leachability of electric arc furnace dust  

SciTech Connect (OSTI)

Dust from production of steel in an electric arc furnace (EAF) contains a mixture of elements that pose a challenge for both recovery and disposal. This paper relates the leachability of six Canadian EAF dusts in four leaching tests [distilled water, Ontario Regulation 347 Leachate Extraction Procedure, Amount Available for Leaching (AALT), and pH 5 Stat] to their mineralogy. Chromium and nickel contaminants in EAF dust are largely unleachable (<5% available in AALT and pH 5 Stat), as they are found with the predominant spinel ferrite phase in EAF dust. However, even a small proportion of oxidized chromium can result in significant leachate concentrations of highly toxic chromate. The leachability of zinc (7--50% available), lead (2--17% available), and cadmium (9--55% available) can be significant, as large fractions of these contaminants are found as chlorides and oxides. The leaching of these metals is largely controlled by pH. The acid neutralization capacity of the EAF dusts appeared to be controlled by dissolution of lime and zincite, and results from regulatory leaching tests can be misleading because the variable acid neutralization capacity of EAF dusts can lead to very different final leachate pHs (5--12.4). A more informative approach would be to evaluate the total amounts of contaminants available in the long term, and the acid neutralization capacity.

Stegemann, J.A.; Roy, A.; Caldwell, R.J.; Schilling, P.J.; Tittsworth, R.

2000-02-01T23:59:59.000Z

385

Recycling of electric arc furnace dust: Jorgensen steel facility  

SciTech Connect (OSTI)

This document is an evaluation of the Ek Glassification(TM) Process to recycle and convert K061-listed waste (Electric Arc Furnace or EAF dust) and other byproducts of the steel-making industry into usable products. The Process holds potential for replacing the need for expensive disposal costs associated with the listed waste with the generation of marketable products. The products include colored glass and glass-ceramics; ceramic glazes, colorants, and fillers; roofing granules and sandblasting grit; and materials for Portland cement production. Field testing of the technology was conducted by the U.S. Environmental Protection Agency (U.S. EPA) in early July of 1991 at the Earle M. Jorgensen Steel Co. (EMJ) plant in Seattle, Washington, and both technical and economic aspects of the technology were examined. TCLP testing of the product determined that leachability characteristics of metals in the product meet treatment standards for K061-listed waste. The Process was also shown to be economically viable, based on capital and operating cost estimates, and profit and revenue forecasts for a 21,000 ton-per-year operation. Although this effort showed that the technology holds promise, regulatory compliance should be evaluated on the basis of the actual hardware configuration and operating procedures along with the leachability of the specific product formulations to be used.

Jackson, T.W.; Chapman, J.S.

1995-01-01T23:59:59.000Z

386

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

387

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

388

Detailed model for practical pulverized coal furnaces and gasifiers  

SciTech Connect (OSTI)

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

389

Hearth monitoring experiences at Dofasco`s No. 4 blast furnace  

SciTech Connect (OSTI)

As a result of a 1994 taphole breakout at Dofasco`s No. 4 Blast Furnace, extensive effort has gone into monitoring, understanding and controlling hearth wear. This paper reviews the hearth monitoring system developed and the various hearth operating and maintenance techniques used to ensure No. 4 Blast Furnace safely reaches its 1998 reline date. The impact of changes in coke quality, productivity, casting practice and leaking cooling members on hearth refractory temperature fluctuations will also be examined.

Stothart, D.W.; Chaykowski, R.D.; Donaldson, R.J.; Pomeroy, D.H.

1997-12-31T23:59:59.000Z

390

Evaluation of Advanced PSA and Oxygen Combustion System for Industrial Furnace Applications  

E-Print Network [OSTI]

M. A. Delano Union Carbide Corp. Tarrytown, NY ABSTRACT EVALUATION OF ADVANCED PSA AND OXYGEN COMBUSTION SYSTEM FOR INDUSTRIAL FURNACE APPLICATIONS D. Lagree Union Carbide Corp. Tonawanda, NY The performance of a pilot scale advanced PSA... oxygen generation system and a low NO x oxygen burner was evaluated for industrial furnace applications. The PSA system employs a two-bed vacuum cycle design with a capacity of 1.3 TPD at 90% O 2 purity. The oxygen generated from the PSA system...

Delano, M. A.; Lagree, D.; Kwan, Y.

391

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

E-Print Network [OSTI]

REFINERY FURNACES RETROFIT WITH GAS TURBINES ACHIEVE BOTH ENERGY SAVINGS AND EMISSION REDUCTIONS F. Giacobbe*, G. Iaquaniello**, R. G. Minet*, P. Pietrogrande* *KTI Corp., Research and Development Division, Monrovia, California **KTI Sp...A., Rome, Italy ABSTRACT Integrating gas turbines with refinery furnaces can be a cost effective means of reducing NO emissions while also generating electricity ~t an attractive heat rate. Design considerations and system costs are presented...

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

392

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

SciTech Connect (OSTI)

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

393

Pulverized coal injection (PCI) at Inland`s No. 7 blast furnace  

SciTech Connect (OSTI)

Fuel injection at the tuyeres has always been part of normal operating practice on this blast furnace. It has been used as much because of the beneficial effects on furnace operation as for the replacement of some of the coke that would otherwise be consumed. Fuel oil was used at first, but since the early 1980s it was more economical to inject natural gas. Studies in 1990 indicated that natural gas could be increased to 75 kg/tHM on No. 7 Furnace, and this would result in a coke rate of approximately 360 kg/tHM. It was apparent that coal injection offered significantly more opportunity for coke savings. Coke rate could be lowered to 300 kg/tHM with coal injected at 175 kg/tHM. Some combustion limitations were expected at that level. A coke rate of 270 kg/tHM with coal at 200 kg/tHM may be possible once these limitations are overcome. Furnace permeability was expected to limit the ability to reduce coke rate any further. In addition, the relative cost of coal would be significantly lower than the cost of coke it replaced. This lead to the decision late in 1991 to install pulverized coal injection (PCI) equipment for all of Inland`s blast furnaces. This paper will deal with PCI experience at No. 7 Blast Furnace.

Carter, W.L.; Greenawald, P.B.; Ranade, M.G.; Ricketts, J.A.; Zuke, D.A. [Inland Steel Co., East Chicago, IN (United States)

1995-12-01T23:59:59.000Z

394

Gas-powder flow in blast furnace with different shapes of cohesive zone  

SciTech Connect (OSTI)

With high PCI rate operations, a large quantity of unburned coal/char fines will flow together with the gas into the blast furnace. Under some operating conditions, the holdup of fines results in deterioration of furnace permeability and lower production efficiency. Therefore, it is important to understand the behaviour of powder (unburnt coal/char) inside the blast furnace when operating with different cohesive zone (CZ) shapes. This work is mainly concerned with the effect of cohesive zone shape on the powder flow and accumulation in a blast furnace. A model is presented which is capable of simulating a clear and stable accumulation region in the lower central region of the furnace. The results indicate that powder is likely to accumulate at the lower part of W-shaped CZs and the upper part of V- and inverse V-shaped CZs. For the same CZ shape, a thick cohesive layer can result in a large pressure drop while the resistance of narrow cohesive layers to gas-powder flow is found to be relatively small. Implications of the findings to blast furnace operation are also discussed.

Dong, X.F.; Pinson, D.; Zhang, S.J.; Yu, A.B.; Zulli, P. [University of New South Wales, Sydney, NSW (Australia)

2006-11-15T23:59:59.000Z

395

DOE Furnace Rule Ex Parte Communication | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

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396

DOE Increases Energy Efficiency Standards for Residential Furnaces &  

Broader source: Energy.gov (indexed) [DOE]

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397

Cavity based furnace for wafer screening - Energy Innovation Portal  

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398

Philadelhia Gas Works (PGW) Doe Furnace Rule | Department of Energy  

Office of Environmental Management (EM)

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399

Gas-Fired Boilers and Furnaces | Department of Energy  

Office of Environmental Management (EM)

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400

Waste Heat Reduction and Recovery for Improving Furnace Efficiency,  

Broader source: Energy.gov (indexed) [DOE]

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Note: This page contains sample records for the topic "home furnaces ranges" 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

DOE Publishes Notice of Proposed Rulemaking for Residential Furnace Fans  

Broader source: Energy.gov (indexed) [DOE]

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402

Oil-Fired Boilers and Furnaces | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

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403

Ex Parte Contact on Furnaces | Department of Energy  

Office of Environmental Management (EM)

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404

Toughened Graphite Electrode for High Heat Electric Arc Furnaces - Energy  

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405

Alloys for Ethylene Production Furnaces - Energy Innovation Portal  

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406

Homes | Department of Energy  

Office of Environmental Management (EM)

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407

Home Energy Score graphic  

Broader source: Energy.gov (indexed) [DOE]

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408

HomeCooling101  

Broader source: Energy.gov (indexed) [DOE]

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409

Homes Success Stories  

Broader source: Energy.gov (indexed) [DOE]

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410

NREL: Library Home Page  

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411

Homes | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

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412

Life Sciences Division Home  

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413

Home | DOE Data Explorer  

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414

Home | ScienceCinema  

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415

Rocky Mountain's Home page  

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416

LAPD 2013 - home  

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417

David Gates home page  

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418

RevCom Home  

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419

Fermilab | DASTOW | Home  

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420

Energy Services home page  

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Note: This page contains sample records for the topic "home furnaces ranges" 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

Organization Chart - Home  

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422

Genomics Division Home  

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423

RF Group Home Page  

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424

Inside RHIC | Home Page  

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425

Home | DOE Data Explorer  

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426

Home | ScienceCinema  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

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427

Home | The Ames Laboratory  

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428

NREL: Newsroom Home Page  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

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429

NREL: Publications Home Page  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

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430

nstec_home.xls  

National Nuclear Security Administration (NNSA)

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431

Berkeley Lab - ARRA - Home  

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432

Comments on: Home  

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433

Comments on: Home  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

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434

DSW Home Page  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

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435

Yennello Group Home Page  

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436

Stellarator News Home Page  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

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437

WIPP Home Page Search  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

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438

Kids DO Science Home  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

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439

The passive solar home  

SciTech Connect (OSTI)

This article describes a home designed with both energy efficiency and solar principles in mind. The house is situated in Colorado and maintains a comfortable, relatively even heat year around with little backup heat needed. The sun heats the home and the energy efficient design works to store and distribute the heat slowly and continuously. Specific design elements discussed include the following: collection, storage, distribution and retention of solar energy.

Weiss, J.; Stone, L. [Solar Energy International, Carbondale, CO (United States)

1995-02-01T23:59:59.000Z

440

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

SciTech Connect (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

Note: This page contains sample records for the topic "home furnaces ranges" 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

Rangely Oilfield Geothermal Area | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Office of InspectorConcentrating Solar PowerstoriesNrelPartnerType Jump to:Co JumpRETScreen Logo: Range Fuels Name:Jump

442

Effect of coal and coke qualities on blast furnace injection and productivity at Taranto  

SciTech Connect (OSTI)

Injection rates at Taranto blast furnaces Nos. 2 and 4, for more than 16 months, was maintained above 175 kg/thm. Monthly average injection rate for two months stabilized above 190 kg/thm. This performance was possible due to the very high combined availabilities of Taranto blast furnaces and the KST injection system. Based upon this experience the quantitative relationships between coke/coal and blast furnace operational parameters were studied and are shown graphically. During this period due to coke quality changes, injection rate had to be reduced. The effect of using coke breeze in coke/ferrous charge as well as coal blend was also evaluated. Permeability of the furnace was found to be directly affected by O{sub 2} enrichment level, while at a high PCI rate no correlation between actual change in coke quality and permeability could be established. The future of PCI technology lies in better understanding of relationships between material specifications and blast furnace parameters of which permeability is of prime importance.

Salvatore, E.; Calcagni, M. [ILVA, Taranto (Italy); Eichinger, F.; Rafi, M.

1995-12-01T23:59:59.000Z

443

Development and application of new techniques for blast furnace process control at SSAB Tunnplaat, Luleaa Works  

SciTech Connect (OSTI)

SSAB Tunnplaat AB operates two blast furnaces (M1 and M2) in Luleaa. In recent years research efforts have to a great extent been aimed at the development of new techniques for blast furnace process control. An example is the installation of a burden profile measurement system, which was useful in the development of a new burden distribution praxis on the big furnace (M2), equipped with a bell-less-top. Hearth level detection and continuous measurement of the hot metal temperature in the runner are under evaluation. The purpose of these techniques is to give earlier information concerning the state of the blast furnace process. Parallel to this work, models for prediction of silicon in hot metal, the position and shape of the cohesive zone and slip-warning are being developed and tested off-line. These new models and information from new measuring techniques will be integrated into a new Operating Guidance System, hopefully resulting in a powerful tool in the efforts to stabilize blast furnace operations.

Braemming, M.; Hallin, M. [SSAB Tunnplaat AB, Luleaa (Sweden); Zuo, G. [Luleaa Univ. (Sweden). Dept. of Process Metallurgy

1995-12-01T23:59:59.000Z

444

Recovery Act: ArcelorMittal USA Blast Furnace Gas Flare Capture  

SciTech Connect (OSTI)

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

445

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

SciTech Connect (OSTI)

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

446

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

SciTech Connect (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 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

447

Mountain Home Well - Photos  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

The Snake River Plain (SRP), Idaho, hosts potential geothermal resources due to elevated groundwater temperatures associated with the thermal anomaly Yellowstone-Snake River hotspot. Project HOTSPOT has coordinated international institutions and organizations to understand subsurface stratigraphy and assess geothermal potential. Over 5.9km of core were drilled from three boreholes within the SRP in an attempt to acquire continuous core documenting the volcanic and sedimentary record of the hotspot: (1) Kimama, (2) Kimberly, and (3) Mountain Home. The Mountain Home drill hole is located along the western plain and documents older basalts overlain by sediment. Data submitted by project collaborator Doug Schmitt, University of Alberta

Shervais, John

448

SFGate Home Today's Chronicle  

E-Print Network [OSTI]

15yr old prvt constr MARKETING New Business Service Specialist SMUD TECHNICIANS HVAC Service Techs HVAC BSME 3 years experience Flack and Kurtz INSTALLER Security Home Alarm - busy co. ARCHITECTURE M+W ZANDER U.S. OPERATIONS, INC - th GROCERY One of Fortune Magazine's... Whole Foods Market ENGINEERING SMUD

Southern California, University of

449

Home Weatherization Visit  

ScienceCinema (OSTI)

Secretary Steven Chu visits a home that is in the process of being weatherized in Columbus, OH, along with Ohio Governor Ted Strickland and Columbus Mayor Michael Coleman. They discuss the benefits of weatherization and how funding from the recovery act is having a direct impact in communities across America.

Chu, Steven

2013-05-29T23:59:59.000Z

450

Processing Poultry at Home.  

E-Print Network [OSTI]

TDOC Z TA245.7 8873 N0.1383 - - 5 B-1383 Processing Poultry at Home The Texas A&M University System Texas Agricultural Extension Service Zerle L. Carpenter , Director College Station CONTENTS Facilities and Equipment... ................................................. 9 Skinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 0-11 Federal and state laws require inspection of poultry processed for sale. Producers are permitted to process their own...

Denton, James H.; Mellor, David B.

1983-01-01T23:59:59.000Z

451

DOE Zero Energy Ready Home Case Study: Southern Energy Homes...  

Energy Savers [EERE]

built to the DOE Zero Energy Ready Home standard. This manufactured home achieved a HERS score of 57 without PV. The home has been set up for side-by-side testing with an...

452

DOE Zero Energy Ready Home Case Study, Garbett Homes, Herriman...  

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

Production Home Case study of a DOE Zero Energy Ready Home in Herriman, UT, that scored HERS 40 without PV, -1 with PV. This 4,111 ft2 production home has R-23 advanced framed...

453

The formation of an ore free blast furnace center by bell charging  

SciTech Connect (OSTI)

A research program has been started to clarify and support the central gas flow control philosophy of Hoogovens` bell-charged No. 7 blast furnace. Small scale burdening experiments and sampling of the stock surface during shut-downs suggest that a sufficiently high central gas flow is an important condition for maintenance of an ore free, highly permeable furnace center and that fluidization of coke plays a part in its formation. On the basis of these experiments a hypothesis was formulated regarding the formation of an ore free blast furnace center, but could not be confirmed satisfactorily. Forthcoming full-scale burdening experiments will provide a better insight in the burden distribution and its control.

Exter, P. den; Steeghs, A.G.S.; Godijn, R.; Chaigneau, R.; Timmer, R.M.C. [Hoogovens Research and Development, IJmuiden (Netherlands); Toxopeus, H.L.; Vliet, C. van der [Hoogovens Staal Primary Products, IJmuiden (Netherlands)

1997-12-31T23:59:59.000Z

454

Hoogovens blast furnace No. 6 -- The first eleven years of a continuing campaign  

SciTech Connect (OSTI)

Blast furnace No. 6 of Hoogovens Steel has just completed its eleventh year of the fourth (running) campaign, with a total production of approx. 23 million metric tonnes of hot metal. During the last reline in 1985 the furnace was equipped with a third taphole and a bell-less top. The lining consists of graphite and semi-graphite and the cooling consists of a dense pattern of copper plate coolers. The current campaign is marked by several important operational events, in particular the high productivity and PCI rates, but also by the remarkable performance of the lining which has shown limited wear in the first four years of the campaign, and hardly any reduction of the lining thickness in the last seven years. This paper discusses the design of the furnace, and the history of the current campaign with respect to its productivity, PCI rates and lining wear.

Tijhuis, G.; Toxopeus, H.; Berg, H. van den; Vliet, C. van der [Hoogovens Steel, IJmuiden (Netherlands)

1997-12-31T23:59:59.000Z

455

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

456

Affordable High Performance in Production Homes: Artistic Homes...  

Energy Savers [EERE]

Homes, Albuquerque, NM - Building America Top Innovation Photo of a home in New Mexico. Many builders remain resistant to adopting high-performance innovations based on...

457

Altos Hornos de Mexico blast furnace No. 5 certification in ISO-9002 standard  

SciTech Connect (OSTI)

Altos Hornos de Mexico`s Blast Furnace No. 5, as a means to improve its product quality, sought and obtained the certification of its quality system based on the international standard ISO-9002. The certification was obtained under this quality standard in Dec. 1995 and has successfully been maintained after two continuance audits. For blast furnace No. 5 (BF5) the benefits are reflected by a reduction in the hot metal silicon content variability, a decrease in fuel consumption and a higher productivity. Benefits were also obtained in the working environment where the personnel became more highly motivated, procedures were carried out to completion and the quality records were filled correctly.

Gamez, O.; Liceaga, F.; Arredondo, J. [Altos Hornos de Mexico, Monclova (Mexico)

1997-12-31T23:59:59.000Z

458

Continuous measurement of blast furnace burden profile at SSAB Tunnplat AB  

SciTech Connect (OSTI)

A unique profile meter system is installed on Blast Furnace No. 2 in SSAB - Swedish Steel AB, Lulea, Sweden. This system measures the charge material burden profile across the furnace top diameter before and after each charge. The system generates real-time data, which is graphically presented by the system on a monitor and includes burden descent speed, layer thickness of the coke and ore (corrected for descent), ore to coke ratio, and burden skewing. The system is described along with operational results.

Virtala, J.; Edberg, N.; Hallin, M. (SSAB Tunnplat AB, Lulea (Sweden). Ironmaking Division)

1993-01-01T23:59:59.000Z

459

Bosh repairs No. 3 blast furnace, Edgar Thomson Plant Mon Valley Works  

SciTech Connect (OSTI)

The paper describes in detail the steps taken from quenching to dry out of the furnace to repair the bosh area of the No.3 blast furnace. Inspection of the area revealed that there was no brick anywhere in the bosh. Brick in the tuyere breast area had been peeled back to reveal the steel plate, and descaling revealed 14 pipes fully exposed. None were leaking, but one seemed badly deteriorated. Conventional repairs could not take place before the scheduled blow-in. Installation of coolers were instead tried.

Stoupis, M.G.

1993-01-01T23:59:59.000Z

460

Coal-fired furnace for testing of thermionic converters. Topical report  

SciTech Connect (OSTI)

The development of thermionic converter technology has progressed to make near-term applications interesting. One of these applications is the thermionic topping of a pulverized coal-fired central station powerplant. Up to now, thermionic converters have been flame tested using natural gas as fuel. A new test furnace is required for evaluation of thermionic converters in a coal-fired environment. The design and costs of a facility which adapts a coal-fired furnace built by Foster Wheeler Development Corporation (FWDC) for thermionic converter testing are discussed. Such a facility would be exempt from air pollution regulations because of its low firing rate.

Not Available

1980-10-01T23:59:59.000Z

Note: This page contains sample records for the topic "home furnaces ranges" 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

Communication in Home Area Networks  

E-Print Network [OSTI]

AMR uses UNB-PLC to read smart meter every 15 minutes [29].can be shared. Home 1 Smart meter Utility distribution2 HomePlug AV HomePlug GP Smart meter Cable PEV Appliance

Wang, Yubo

2012-01-01T23:59:59.000Z

462

NEW SOLAR HOMES PARTNERSHIP FINALGUIDEBOOK  

E-Print Network [OSTI]

CALIFORNIA ENERGY COMMISSION NEW SOLAR HOMES PARTNERSHIP FINALGUIDEBOOK DECEMBER 2006 CEC-300 Executive Director Payam Narvand Program Lead NEW SOLAR HOMES PARTNERSHIP Bill Blackburn Supervisor EMERGING RENEWABLES PROGRAM & NEW SOLAR HOMES PARTNERSHIP Drake Johnson Office Manager RENEWABLE ENERGY PROGRAM

463

Home Gardening in Texas.  

E-Print Network [OSTI]

Spinach Very Difficult Without Using Containers Beans Cantaloupe Corn Cucumber Peas Squash Turnip Wahnnelon Watering and fertilizing by the use of sunken pots provides optimum growth conditions for tomato plants. One level teospoon of complete... buildups. Table 1. Home Small Garden Vegetables Beets Green beans Broccoli Lettuce Bush squash Onions Cabbage Parsley Carrots Peppers Eggplant Radishes English peas Spinach Garlic Tomatoes Garden Vegetables Large Garden Vegetables Cantaloupes...

Cotner, Sam; Larsen, John

1978-01-01T23:59:59.000Z

464

Blast-furnace ironmaking -- Existing capital and continued improvements are a winning formula for a bright future  

SciTech Connect (OSTI)

Throughout the years the blast-furnace process has been improved upon significantly. Increases to the hot-blast temperature, improvements to the physical, chemical, and metallurgical properties of coke and burden materials, the use of more fuel injectants, and improvements to the design of the furnace facilities have led to significant decreases in furnace coke rate, increases in productivity, and increases in furnace campaign life. As a result, many of the alternative cokeless reduction processes have not replaced blast-furnace hot-metal production in North America. In the future, these continued blast-furnace improvements will potentially result in coke rates decreasing to 400 pounds per net ton of hot metal (lb/NTHM) as more pulverized coal is injected. These improvements, coupled with the fact that existing blast furnaces and coke plants can be refurbished for approximately $110 per annual ton of hot metal [$100 per annual net ton of hot metal (NTHM)], will result in extending the life of the North American blast furnaces well into the twenty-first century.

Oshnock, T.W.; Colinear, J.A. [U.S. Steel, Monroeville, PA (United States)

1995-12-01T23:59:59.000Z

465

Home Performance with Energy Star  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:YearRound-UpHeatMulti-Dimensional Subject:Ground HawaiiWasteDepartment ofHome

466

Home Performance with Energy Star  

Broader source: Energy.gov [DOE]

Through the Home Performance with Energy Star program, Focus on Energy offers instant rewards for installing select recommended efficiency measures following a home energy audit. Energy consultants...

467

PNNL Laboratory Research Homes Pacific Northwest National Laboratory's Lab Homes  

E-Print Network [OSTI]

-efficient homes. The homes will be fully instrumented with controllable circuits, dual heating systems,500 square-foot Lab Homes for experiments focused on reducing energy use and peak demand on the electric grid in homes throughout the U.S." ­ Steve Shankle Director PNNL Electricity Infrastructure and Buildings

468

Pyrometric temperature measurement method and apparatus for measuring particle temperatures in hot furnaces: Application to reacting black liquor  

SciTech Connect (OSTI)

A specialized two-color pyrometric method has been developed for the measurement of particle surface temperatures in hot, radiating environments. In this work, the method has been applied to the measurement of surface temperatures of single reacting black liquor char particles in an electrically heated muffle furnace. Black liquor was introduced into the hot furnace as wet droplets. After drying, the resulted particles were processed in different atmospheres corresponding to combustion, pyrolysis, and gasification at furnace temperatures of 700{endash}900{degree}C. The pyrometric measurement is performed using two silicon photodiode detectors and 10 nm bandpass filters centered at 650 and 1050 nm. Thermal radiation is transferred using an uncooled fiberoptic probe brought into the vicinity of the char particle. The key features of the pyrometric apparatus and analysis method are: (1) Single particle temperature is resolved temporally at high speed. (2) The thermal radiation originating from the furnace and reflected by the particle is accounted for in the measurement of the surface temperature. (3) Particle temperatures above or below the furnace temperature can be measured without the need of a cooled background assisting the measurement in the hot furnace. To accomplish this, a minimum particle size is needed that is a function of the temperature difference between the particle and furnace. Particles cooler than the furnace can be measured if their diameter is more than 0.7 mm. Surface temperatures of 300{endash}400{degree}C above the furnace temperature were measured during combustion of black liquor char particles in air. In atmospheres corresponding to gasification, endothermic reactions occurred, and char temperature remained typically 40{degree} below the furnace temperature. {copyright} {ital 1996 American Institute of Physics.}

Stenberg, J. [Tampere University of Technology, P.O. Box 692, Tampere SF-33101 (Finland)] [Tampere University of Technology, P.O. Box 692, Tampere SF-33101 (Finland); Frederick, W.J. [Oregon State University, Gleeson 103, Corvallis, Oregon 97331 (United States)] [Oregon State University, Gleeson 103, Corvallis, Oregon 97331 (United States); Bostroem, S. [Abo Akademi University, Lemminkaeisenkatu 14-18 B, Turku SF-20520 (Finland)] [Abo Akademi University, Lemminkaeisenkatu 14-18 B, Turku SF-20520 (Finland); Hernberg, R. [Tampere University of Technology, P.O. Box 692, Tampere SF-33101 (Finland)] [Tampere University of Technology, P.O. Box 692, Tampere SF-33101 (Finland); Hupa, M. [Abo Akademi University, Lemminkaeisenkatu 14-18 B, Turku SF-20520 (Finland)] [Abo Akademi University, Lemminkaeisenkatu 14-18 B, Turku SF-20520 (Finland)

1996-05-01T23:59:59.000Z

469

Indoor Air Quality in 24 California Residences Designed as High Performance Green Homes  

E-Print Network [OSTI]

X Gas furnace X X Geothermal Combisystem Solar X X Air-to-Solar Combisystem Heating Equipment Type Gas boiler Gas furnace

Less, Brennan

2012-01-01T23:59:59.000Z

470

Affordable High Performance in Production Homes: Artistic Homes,  

Energy Savers [EERE]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustionImprovement3-- ------------------------------ChapterJuly 20142Lora ToyofEnergy

471

Lighting Options for Homes.  

SciTech Connect (OSTI)

This report covers many aspects of various lighting options for homes. Types of light sources described include natural light, artificial light, incandescent lamps, fluorescent lamps, and high intensity discharge lamps. A light source selection guide gives the physical characteristics of these, design considerations, and common applications. Color, strategies for efficient lighting, and types of lighting are discussed. There is one section giving tips for various situations in specific rooms. Rooms and types of fixtures are shown on a matrix with watts saved by using the recommended type lighting for that room and room location. A major emphasis of this report is saving energy by utilizing the most suitable, recommended lighting option. (BN)

Baker, W.S.

1991-04-01T23:59:59.000Z

472

Home Fruit Production - Figs.  

E-Print Network [OSTI]

TDOC Z TA245.7 B873 NO.1591 B-1591 Texas Agricultural Extension Service HOM? FRUIT PRODUCTION FIGS LIBRARY SEP 2 7 1988 ( A&M Univer it Texas Agricultural Extension Service. Zerle L. Carpenter, Director. The Texas A&M University System.... College Station, Texas / (Blank Pa.ge -ill Original BBDetial . r .. ; :.' l , ::; .: .? HOME FRUIT PRODUCTION - FIGS Calvin G. Lyons and George Ray McEachern* Figs have been a part of Texas homesteads since the early development of the state...

Lyons, Calvin G.; McEachern, George Ray

1987-01-01T23:59:59.000Z

473

Pellet property requirements for future blast-furnace operations and other new ironmaking processes  

SciTech Connect (OSTI)

The requirements for the physical, chemical and metallurgical properties of pellets have continued to become more stringent as blast-furnace productivity and coke rate have been rapidly improved during the last decade. In addition, the age and deterioration of the North American coke batteries, the lack of capital to sufficiently rebuild them, and the threat of increasingly more stringent environmental controls for the coke batteries has forced North American ironmakers to begin implementing pulverized coal injection to minimize the coke requirements for the blast furnace and to seriously investigate developing other ironmaking processes that use coal instead of coke. Therefore, the next major step in North American ironmaking has included injecting pulverized coal (PC) at 200 kilograms per ton of hot metal (kg/ton) [400 pounds per net ton of hot metal (lb/NTHM)] or greater which will result in the coke rate decreasing to less than 300 kg/ton (600 lb/NTHM) or less. As a result, the pellets will spend more time in the furnace and will be required to support more total weight. Pellets can also be a major iron unit source for other cokeless ironmaking processes such as the COREX process or the AISI direct ironmaking process. This paper will explore the pellet property requirements for future blast-furnace operations and cokeless ironmaking processes.

Agrawal, A.K.; Oshnock, T.W. [U.S. Steel, Monroeville, PA (United States)

1995-12-01T23:59:59.000Z

474

Studies of charging stream trajectories and burden distribution in the blast furnace  

SciTech Connect (OSTI)

This work discusses the sensitivity of key blast furnace performance parameters to different gas flow distributions achieved by altering the burden distribution. The changes in burden distribution are brought about by different charging stream trajectories, and methods developed and evaluated for measuring the trajectories both on and off line are described.

McCarthy, M.J.; Mayfield, P.L.; Zulli, P.; Rex, A.J.; Tanzil, W.B.U.

1993-01-01T23:59:59.000Z

475

Development of quick repairing technique for ceramic burner in hot stove of blast furnace  

SciTech Connect (OSTI)

Refractories of ceramic burner in hot stoves at Wakayama No. 4 blast furnace were damaged. There are only three hot stoves, so repairing must be done in a short. Therefore, a quick repairing technique for ceramic burners has been developed, and two ceramic burners were repaired in just 48 hours.

Kondo, Atsushi; Doura, Kouji; Nakamura, Hirofumi [Sumitomo Metal Industries, Ltd., Wakayama (Japan). Wakayama Steel Works

1997-12-31T23:59:59.000Z

476

Dofasco`s No. 4 blast furnace hearth breakout, repair and rescue  

SciTech Connect (OSTI)

On May 5, 1994, after producing 9.5 million metric tons of iron, Dofasco`s No. 4 Blast Furnace experienced a hearth breakout 250 millimeters below the west taphole. The hot metal spill caused a fire resulting in severe damage and 33 days of lost production. During a 26-day period, electrical wiring, water drainage systems and both tapholes were repaired. Recovery from an unprepared furnace stop of this length, with the deadman depleted is difficult. To aid with the rescue Hoogovens-designed oxygen/fuel lances were commissioned. The furnace recovery began with a lance in each taphole and all tuyeres plugged. Six days after startup the furnace was casting into torpedo cars, and after nine days operation had returned to normal. This incident prompted Dofasco to expand the hearth monitoring system to detect and prevent similar occurrences. During the repair, 203 new thermocouples were installed in the hearth, concentrating on the tapholes and elephant foot areas. These thermocouples were installed at various depths and locations to allow heat flux calculations. This hearth monitoring system has already identified other problem areas and provided valuable information about hearth drainage patterns. This information has allowed them to develop control strategies to manage localized problem areas.

Donaldson, R.J.; Fischer, A.J.; Sharp, R.M.; Stothart, D.W. [Dofasco Inc., Hamilton, Ontario (Canada)

1995-12-01T23:59:59.000Z

477

Pulverized coal firing of aluminum melting furnaces. Second annual technical progress report, July 1979-June 1980  

SciTech Connect (OSTI)

The ultimate objective of this program is the commercial demonstration of an efficient, environmentally acceptable coal firing process suitable for implementation on melting furnaces throughout the aluminum industry. To achieve this goal, the program has been divided into two phases. Phase I has proceeded through design and construction of a 350 pound (coal) per hour staged slagging cyclone combustor (SSCC) attached to a 7-ft diameter aluminum melting ladle furnace. Process development will culminate with a 1000 pph prototype SSCC firing a 40,000 pound capacity open hearth melting furnace at the Alcoa Laboratories. Phase II implementation is currently planned for Alcoa's Lafayette, IN, Works, where two of the ingot plant's five open hearth melting furnaces will be converted to utilize coal. In addition to confirmation of data gathered in Phase I, the effect of extended production schedule operation on equipment and efficiencies will be determined. This work would begin in 1982 pursuant to technical and economic evaluation of the process development at that time.

West, C E; Stewart, D L

1980-08-01T23:59:59.000Z

478

Pulverized coal firing of aluminum melting furnaces. Quarterly technical progress report, July 1-September 30, 1979  

SciTech Connect (OSTI)

The ultimate objective of this program is the commercial demonstration of an efficient, environmentally acceptable coal firing process suitable for implementation on melting furnaces throughout the aluminum industry. To achieve this goal, the program has been divided into two phases. Phase I has begun with the design and construction of a 350 pound (coal) per hour staged slagging cyclone combustor (SSCC) attached to a 7-ft diameter aluminum melting ladle furnace. Process development will culminate with a 1000 pph prototype SSCC firing a 40,000 pound capacity open hearth melting furnace at the Alcoa Laboratories. Phase II implementation is currently planned for Alcoa's Lafayette, IN, Works, where two of the ingot plant's five open hearth melting furnaces will be converted to utilize coal. In addition to confirmation of data gathered in Phase I, the effect of extended production schedule operation on equipment and efficiencies will be determined. This work would begin in 1982 pursuant to technical and economic evaluation of the process development at that time.

West, C E

1980-09-01T23:59:59.000Z

479

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

SciTech Connect (OSTI)

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

480

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.

Gerdemann, Stephen J. (Albany, OR); White, Jack C. (Albany, OR)

1999-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "home furnaces ranges" 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

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.

Gerdemann, Stephen J. (Albany, OR); White, Jack C. (Albany, OR)

1998-01-01T23:59:59.000Z

482

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

483

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

484

Energy Conservation Program for Consumer Products: Test Procedures for Residential Furnaces Fans; Correction  

Broader source: Energy.gov [DOE]

On January 3, 2014 the U.S. Department of Energy (DOE) published a final rule in the Federal Register that established the test procedure for residential furnace fans. Due to drafting errors, that document inadvertently removed necessary incorporation by reference material in the Code of Federal Regulations (CFR). This final rule rectifies this error by once again adding the removed material.

485

Savings from new oil furnaces: A study conducted as part of Washington State's Oil Help Program  

SciTech Connect (OSTI)

The Washington State Energy Office (WSEO) has been running the Oil Help program for three years. Originally operated as a loan program, Oil Help switched to rebates during the 1987 and 1988. Rebates for oil furnace replacements made up over 70 percent of rebate funds, which totaled about $1.3 million. WSEO Evaluation started research in summer of 1988, with the goal of including 100 new furnace households (with a control group of similar size) in the study. Our intention was to look at long-term oil consumption comparing each household with itself over the two periods. The final study group consists of 43 households and a control group of 87 households. The report begins with a review of related research. A discussion of research methodology, weather normalization procedure, data attrition, and important descriptive details follows. Changes in consumption for the new furnace and control groups are reported and are tested for significance. Finally, we discuss the implications of the results for the cost effectiveness of an oil furnace replacement.

Davis, R.

1989-12-01T23:59:59.000Z

486

Temperature Compensated Air/Fuel Ratio Control on a Recuperated Furnace  

E-Print Network [OSTI]

When recuperation is added to a furnace, air/ fuel ratio control seemingly becomes more complicated. Two methods normally used are mass flow control where the fuel pressure or flow is proportional to the mass flow of air or cross-connected control...

Ferri, J. L.

1983-01-01T23:59:59.000Z

487

Laser-excited atomic fluorescence spectrometry in a graphite furnace with an  

E-Print Network [OSTI]

Laser-excited atomic fluorescence spectrometry in a graphite furnace with an optical parametric oscillator laser for sequential multi-element determination of cadmium, cobalt, lead, manganese and thallium, for the ® rst time, that solid-state lasers required for analysis (ml or mg) and the technique has direct based

Michel, Robert G.

488

Effect of Electric Arc Furnace Bag House Dust on Concrete Durability Researcher: Fahad Al-Mutlaq  

E-Print Network [OSTI]

Effect of Electric Arc Furnace Bag House Dust on Concrete Durability Researcher: Fahad Al billions of dollars annually. While steel is normally protected from corrosion in concrete by a passive of the effects of addition of Bag House Dust (BHD) on aspects of concrete durability. BHD is a fine powder

Birmingham, University of

489

Home | OpenEI Community  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Office of InspectorConcentrating Solar Power BasicsGermany: EnergyPowerInformation

490

Clayton Homes | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Office of InspectorConcentrating SolarElectricEnergyCTBarreisVolcanic NationalElectric)Clarion-GoldfieldClay-Union

491

Insight Homes | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 No revision hasInformation Earth's Heat JumpInc Place: Eden Prairie,Infield

492

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

SciTech Connect (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

493

Integrated use of burden profile probe and in-burden probe for gas flow control in the blast furnace  

SciTech Connect (OSTI)

Gas flow in the blast furnace is one of the most important factors in controlling a furnace. It not only determines the production but also the fuel consumption and the campaign life. At Nos. 4 and 5 blast furnaces of ROGESA, probes are installed for detection of the burden profiles and of the gas flow distribution. For an optimum use of these probes a program system has been developed by ROGESA and Dango and Dienenthal. With this program system it is possible to analyze the operating condition of a blast furnace by means of a fuzzy logic analysis. In case of deviations from the defined desired condition, recommendations for corrective measures for the material distribution are made. Both furnaces are equipped with a bell-less top, a coal injection system, high-temperature hot blast stoves with heat recovery and a top gas pressure recovery turbine. Most of the time it is impossible to control all the required parameters. For this reason it is meaningful to measure the actual material distribution at the furnace top by means of a burden profile probe which permits quick and repeated measurements without any retroactive effects. The paper describes the instrumentation of the furnace, correlation of measuring methods, and a program system for analysis of measuring data.

Bordemann, F.; Hartig, W.H. [AG der Dillinger Huettenweke, Dillingen (Germany); Grisse, H.J. [Dango and Dienenthal Siegen (Germany); Speranza, B.E. [Dango and Dienenthal, Inc., Highland, IN (United States)

1995-12-01T23:59:59.000Z

494

Data Acquisition-Manipulation At Northern Basin & Range Region...  

Open Energy Info (EERE)

- 2) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Data Acquisition-Manipulation At Northern Basin & Range Region (Coolbaugh, Et Al., 2005 - 2)...

495

Data Acquisition-Manipulation At Nw Basin & Range Region (Coolbaugh...  

Open Energy Info (EERE)

- 2) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Data Acquisition-Manipulation At Nw Basin & Range Region (Coolbaugh, Et Al., 2005 - 2)...

496

Geodetic Survey At Nevada Test And Training Range Area (Sabin...  

Open Energy Info (EERE)

Nevada Test And Training Range Area (Sabin, Et Al., 2004) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Geodetic Survey At Nevada Test And...

497

Geographic Information System At Nevada Test And Training Range...  

Open Energy Info (EERE)

Nevada Test And Training Range Area (Sabin, Et Al., 2004) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Geographic Information System At Nevada...

498

Aerial Photography At Nevada Test And Training Range Area (Sabin...  

Open Energy Info (EERE)

GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Aerial Photography At Nevada Test And Training Range Area (Sabin, Et Al., 2004) Exploration Activity Details Location...

499

Geothermometry At Nevada Test And Training Range Area (Sabin...  

Open Energy Info (EERE)

Nevada Test And Training Range Area (Sabin, Et Al., 2004) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Geothermometry At Nevada Test And...

500

Refraction Survey At Northern Basin & Range Region (Heimgartner...  

Open Energy Info (EERE)

Northern Basin & Range Region (Heimgartner, Et Al., 2005) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Refraction Survey At Northern Basin &...