DE69524233D1 - Verfahren und vorrichtung zur elektrischen stahlherstellung - Google Patents

Verfahren und vorrichtung zur elektrischen stahlherstellung

Info

Publication number
DE69524233D1
DE69524233D1 DE69524233T DE69524233T DE69524233D1 DE 69524233 D1 DE69524233 D1 DE 69524233D1 DE 69524233 T DE69524233 T DE 69524233T DE 69524233 T DE69524233 T DE 69524233T DE 69524233 D1 DE69524233 D1 DE 69524233D1
Authority
DE
Germany
Prior art keywords
steel production
electric steel
electric
production
steel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69524233T
Other languages
English (en)
Other versions
DE69524233T2 (de
Inventor
M Gitman
Grigori Galperine
Stanislav I Zhigach
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
American Combustion Inc
Original Assignee
American Combustion Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by American Combustion Inc filed Critical American Combustion Inc
Application granted granted Critical
Publication of DE69524233D1 publication Critical patent/DE69524233D1/de
Publication of DE69524233T2 publication Critical patent/DE69524233T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D99/00—Subject matter not provided for in other groups of this subclass
    • F27D99/0001—Heating elements or systems
    • F27D99/0033—Heating elements or systems using burners
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/10—Making spongy iron or liquid steel, by direct processes in hearth-type furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/001—Injecting additional fuel or reducing agents
    • C21B5/003—Injection of pulverulent coal
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/42—Constructional features of converters
    • C21C5/46—Details or accessories
    • C21C5/4606—Lances or injectors
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/5211—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace
    • C21C5/5217—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace equipped with burners or devices for injecting gas, i.e. oxygen, or pulverulent materials into the furnace
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/20—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone
    • F23D14/22—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/32—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid using a mixture of gaseous fuel and pure oxygen or oxygen-enriched air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/72—Safety devices, e.g. operative in case of failure of gas supply
    • F23D14/78—Cooling burner parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D17/00—Burners for combustion conjointly or alternatively of gaseous or liquid or pulverulent fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D17/00—Burners for combustion conjointly or alternatively of gaseous or liquid or pulverulent fuel
    • F23D17/005—Burners for combustion conjointly or alternatively of gaseous or liquid or pulverulent fuel gaseous or pulverulent fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D91/00—Burners specially adapted for specific applications, not otherwise provided for
    • F23D91/02—Burners specially adapted for specific applications, not otherwise provided for for use in particular heating operations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
    • F27B3/20—Arrangements of heating devices
    • F27B3/205—Burners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
    • F27B3/22—Arrangements of air or gas supply devices
    • F27B3/225—Oxygen blowing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/16—Introducing a fluid jet or current into the charge
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/36—Processes yielding slags of special composition
    • C21C2005/366—Foam slags
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C2900/00—Special features of, or arrangements for combustion apparatus using fluid fuels or solid fuels suspended in air; Combustion processes therefor
    • F23C2900/03005—Burners with an internal combustion chamber, e.g. for obtaining an increased heat release, a high speed jet flame or being used for starting the combustion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2214/00—Cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
    • F23D2900/00006—Liquid fuel burners using pure oxygen or O2-enriched air as oxidant
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D9/00—Cooling of furnaces or of charges therein
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/32—Technologies related to metal processing using renewable energy sources

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Furnace Details (AREA)
DE69524233T 1994-08-29 1995-08-29 Verfahren und vorrichtung zur elektrischen stahlherstellung Expired - Lifetime DE69524233T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US29768694A 1994-08-29 1994-08-29
PCT/US1995/011111 WO1996006954A1 (en) 1994-08-29 1995-08-29 Method and apparatus for electric steelmaking

Publications (2)

Publication Number Publication Date
DE69524233D1 true DE69524233D1 (de) 2002-01-10
DE69524233T2 DE69524233T2 (de) 2002-05-23

Family

ID=23147327

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69524233T Expired - Lifetime DE69524233T2 (de) 1994-08-29 1995-08-29 Verfahren und vorrichtung zur elektrischen stahlherstellung

Country Status (6)

Country Link
US (1) US5599375A (de)
EP (2) EP1123982A1 (de)
AU (1) AU3500995A (de)
CA (1) CA2198901C (de)
DE (1) DE69524233T2 (de)
WO (1) WO1996006954A1 (de)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5714113A (en) * 1994-08-29 1998-02-03 American Combustion, Inc. Apparatus for electric steelmaking
KR970009084B1 (ko) * 1994-12-29 1997-06-05 김만제 탄소성분을 포함한 미분체 용융장치 및 이를 이용한 미분체 용융방법
DE19521518C2 (de) 1995-06-13 2000-05-04 L Air Liquide Paris Verfahren zur Verbesserung der Energiezufuhr in ein Schrotthaufwerk
AT402963B (de) * 1995-09-07 1997-10-27 Voest Alpine Ind Anlagen Verfahren zum verbrennen von brennstoff
GB9519303D0 (en) * 1995-09-21 1995-11-22 Boc Group Plc A burner
DE19621143A1 (de) * 1996-01-31 1997-08-07 Mannesmann Ag Verfahren zur Erzeugung nichtrostender Stähle
EP0797063A3 (de) * 1996-03-19 1999-04-21 Gautschi Electro-Fours SA Verfahren zum Beheizen eines Industrieofens und Regenerator-Brenner-Modulsystem hierfür
AUPO095996A0 (en) * 1996-07-12 1996-08-01 Technological Resources Pty Limited A top injection lance
US6125133A (en) * 1997-03-18 2000-09-26 Praxair, Inc. Lance/burner for molten metal furnace
LU90055B1 (fr) * 1997-04-24 1998-10-26 Wurth Paul Sa Procédé de fusion d'alliages à base de fer dans un four électrique
GB9708543D0 (en) * 1997-04-25 1997-06-18 Boc Group Plc Particulate injection burner
FR2767840A1 (fr) * 1997-09-01 1999-03-05 Michel Donze Nez de lance d'injection d'oxygene pour four electrique de production d'acier
US6096261A (en) * 1997-11-20 2000-08-01 Praxair Technology, Inc. Coherent jet injector lance
US6176894B1 (en) 1998-06-17 2001-01-23 Praxair Technology, Inc. Supersonic coherent gas jet for providing gas into a liquid
ES2250755T3 (es) 1998-08-28 2006-04-16 Voest-Alpine Industrieanlagenbau Gmbh Procedimiento para producir un caldo metalico por medio de una lanza multifuncion.
US6171544B1 (en) 1999-04-02 2001-01-09 Praxair Technology, Inc. Multiple coherent jet lance
US6372010B1 (en) * 1999-12-10 2002-04-16 Process Technology International, Inc. Method for metal melting, refining and processing
WO2001085873A2 (en) * 2000-05-05 2001-11-15 Dow Global Technologies Inc. Feed nozzle for gasification reactor for halogenated materials
US20030015063A1 (en) * 2001-07-20 2003-01-23 Mcclintock Willard K. Steel making material recycling system
CN100412488C (zh) * 2002-03-11 2008-08-20 中国科学院过程工程研究所 用于电弧炼钢炉的氧碳枪复合喷头
US6999495B2 (en) * 2002-12-19 2006-02-14 Air Liquide America, Lp Method and apparatus for spatial energy coverage
JP3653266B2 (ja) * 2002-12-19 2005-05-25 山一金属株式会社 動植物油燃焼装置
US7717703B2 (en) * 2005-02-25 2010-05-18 Technical Engineering, Llc Combustion head for use with a flame spray apparatus
US8696348B2 (en) * 2006-04-26 2014-04-15 Air Products And Chemicals, Inc. Ultra-low NOx burner assembly
US7951325B2 (en) * 2006-05-17 2011-05-31 Air Liquide Advanced Technologies U.S. Llc Methods of implementing a water-cooling system into a burner panel and related apparatuses
US7824604B2 (en) * 2006-05-17 2010-11-02 Air Liquide Advanced Technologies U.S. Llc Methods of implementing a water-cooling system into a burner panel and related apparatuses
US7452401B2 (en) * 2006-06-28 2008-11-18 Praxair Technology, Inc. Oxygen injection method
WO2008076901A1 (en) * 2006-12-15 2008-06-26 Praxair Technology, Inc. Injection method for inert gas
US8425832B2 (en) * 2007-09-13 2013-04-23 Concast Ag Injector for arc furnace
ATE544505T1 (de) * 2008-06-26 2012-02-15 Praxair Technology Inc Verbrennung von co und brennbaren stoffen in stahlofenabgasen
US8142711B2 (en) * 2009-04-02 2012-03-27 Nu-Core, Inc. Forged copper burner enclosure
US8623114B2 (en) * 2010-02-16 2014-01-07 Praxair Technology, Inc. Copper anode refining system and method
CN101851696B (zh) * 2010-06-10 2012-10-10 河北文丰钢铁有限公司 一种氧气顶吹炼钢转炉的原料预热射击加料系统
FR2969267B1 (fr) * 2010-12-21 2013-01-04 Air Liquide Procede de fusion a chargement discontinu
US20120181355A1 (en) * 2011-01-17 2012-07-19 General Electric Company System for flow control in fuel injectors
US20120224601A1 (en) 2011-03-01 2012-09-06 Air Liquide Advanced Technologies U.S. Llc Burner and/or injector panel apparatus, methods of installation and use of the same in a metal-melting furnace, and metal-melting furnace including the same
US20130122436A1 (en) * 2011-11-11 2013-05-16 General Electric Company Combustor and method for supplying fuel to a combustor
CN102818270B (zh) * 2012-09-24 2015-03-18 株洲醴陵旗滨玻璃有限公司 一种混合燃烧枪和一种混合燃烧方法
WO2014058381A1 (en) * 2012-10-11 2014-04-17 Ecomb Ab (Publ) Supply device for a combustion chamber
US20140170573A1 (en) * 2012-12-19 2014-06-19 Neil G. SIMPSON BURNER UTILIZING OXYGEN LANCE FOR FLAME CONTROL AND NOx REDUCTION
DE102013220228A1 (de) 2013-10-08 2015-04-09 Sms Siemag Ag Injektorvorrichtung zum Aufblasen oder Einblasen von sauerstoffreichen Gasen in einem metallurgischen Aggregat oder Schmelzgefäß und Elektrolichtbogenofen
DE102014215794A1 (de) 2014-08-08 2016-02-11 Primetals Technologies Austria GmbH Brenner-Lanzen-Einheit
CN104266188B (zh) * 2014-10-16 2016-07-06 陈维汉 煤气富氧助燃的预混旋流燃烧装置
WO2017041338A1 (zh) * 2015-09-11 2017-03-16 哈尔滨工业大学 气化剂多级供入强旋转煤粉气化装置及气化方法
CN106119543B (zh) * 2016-07-01 2019-03-08 北京中凯宏德科技有限公司 冶金电炉及熔炼方法
KR102211258B1 (ko) * 2016-07-26 2021-02-02 제이에프이 스틸 가부시키가이샤 전기로용 조연 버너
CZ307407B6 (cs) * 2017-03-13 2018-08-01 Htt Engineering, Spol. S R.O. Kombinovaný hořák pro dmychání oxidačního plynu a paliva do tavicí pece
JP6600329B2 (ja) * 2017-03-31 2019-10-30 大陽日酸株式会社 バーナ及びバーナの運転方法、並びに冷鉄源の溶解・精錬方法
JP6720245B2 (ja) * 2018-04-20 2020-07-08 大陽日酸株式会社 バーナ及びバーナを用いた加熱方法
WO2024134527A1 (en) * 2022-12-23 2024-06-27 Tenova S.P.A. Granule and/or powder solid materials injection lance for injecting solid materials in the form of granules and/or powders into a metallurgical furnace

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3418108A (en) * 1965-12-17 1968-12-24 Ind Science Corp Externally fired cupola furnace and method of operation thereof
US3429300A (en) * 1967-04-12 1969-02-25 Carl H Eisentrout Industrial furnace burner
US3729285A (en) * 1972-05-22 1973-04-24 G Schwedersky Burner and method of operating it to control the production of nitrogen oxides
US3856457A (en) * 1972-12-29 1974-12-24 Air Prod & Chem Burner of the oxy-fuel type
US4147116A (en) * 1977-09-19 1979-04-03 Coal Tech Inc. Pulverized coal burner for furnace and operating method
JPS5687617A (en) * 1979-12-19 1981-07-16 Daido Steel Co Ltd Steel making method using arc furnace
US4541796A (en) * 1980-04-10 1985-09-17 Union Carbide Corporation Oxygen aspirator burner for firing a furnace
US4422391A (en) * 1981-03-12 1983-12-27 Kawasaki Jukogyo Kabushiki Kaisha Method of combustion of pulverized coal by pulverized coal burner
ZA817105B (en) * 1981-10-09 1983-01-26 Fang Chang Shien Pulverized-coal and liquid-fuel dual-purpose burner
US4861262A (en) * 1984-08-17 1989-08-29 American Combustion, Inc. Method and apparatus for waste disposal
US4622007A (en) * 1984-08-17 1986-11-11 American Combustion, Inc. Variable heat generating method and apparatus
US4642047A (en) * 1984-08-17 1987-02-10 American Combustion, Inc. Method and apparatus for flame generation and utilization of the combustion products for heating, melting and refining
GB8509629D0 (en) * 1985-04-15 1985-05-22 British Steel Corp Melting ferrous solids
CN1007920B (zh) * 1985-07-15 1990-05-09 美国氧化公司 烃类流体燃料燃烧、控制方法及装置
US4671765A (en) * 1986-02-19 1987-06-09 Ppg Industries, Inc. Burner design for melting glass batch and the like
US4865297A (en) * 1986-11-21 1989-09-12 Gitman Grigory M Apparatus for melting and refining metals
US4752330A (en) * 1986-11-21 1988-06-21 American Combustion, Inc. Method for melting and refining metals
BR8707994A (pt) * 1987-09-02 1990-05-22 Aga Ab Metodo para gerar uma chama ocidante,queimador e uso para um queimador
US4890562A (en) * 1988-05-26 1990-01-02 American Combustion, Inc. Method and apparatus for treating solid particles
US5042964A (en) * 1988-05-26 1991-08-27 American Combustion, Inc. Flash smelting furnace
EP0625685B1 (de) * 1993-05-17 1999-07-21 DANIELI & C. OFFICINE MECCANICHE S.p.A. Lichtbogenofen mit verschiedenen Energiequellen und Verfahren für seinem Betrieb

Also Published As

Publication number Publication date
AU3500995A (en) 1996-03-22
EP0777751A4 (de) 1998-04-22
EP1123982A1 (de) 2001-08-16
EP0777751B1 (de) 2001-11-28
DE69524233T2 (de) 2002-05-23
EP0777751A1 (de) 1997-06-11
US5599375A (en) 1997-02-04
CA2198901C (en) 2008-06-03
WO1996006954A1 (en) 1996-03-07
CA2198901A1 (en) 1996-03-07

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