ES2137417T3 - Metodo para poscombustion en un horno de arco electrico. - Google Patents

Metodo para poscombustion en un horno de arco electrico.

Info

Publication number
ES2137417T3
ES2137417T3 ES95111438T ES95111438T ES2137417T3 ES 2137417 T3 ES2137417 T3 ES 2137417T3 ES 95111438 T ES95111438 T ES 95111438T ES 95111438 T ES95111438 T ES 95111438T ES 2137417 T3 ES2137417 T3 ES 2137417T3
Authority
ES
Spain
Prior art keywords
electric arc
poscombustion
arc oven
post
carbon monoxide
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
ES95111438T
Other languages
English (en)
Inventor
Pravin Chandra Mathur
Zhiyou Du
Ronald Joseph Selines
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.)
Praxair Technology Inc
Original Assignee
Praxair Technology 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23064099&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2137417(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Praxair Technology Inc filed Critical Praxair Technology Inc
Application granted granted Critical
Publication of ES2137417T3 publication Critical patent/ES2137417T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52Manufacture of steel in electric furnaces
    • C21C5/5211Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace
    • C21C5/5217Manufacture 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/10Details, accessories, or equipment peculiar to hearth-type furnaces
    • F27B3/22Arrangements of air or gas supply devices
    • F27B3/225Oxygen blowing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/001Extraction of waste gases, collection of fumes and hoods used therefor
    • F27D17/003Extraction of waste gases, collection of fumes and hoods used therefor of waste gases emanating from an electric arc furnace
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Environmental & Geological Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Furnace Details (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Abstract

SE PRESENTA UN METODO PARA LLEVAR A CABO LA POS-COMBUSTION EN UN HORNO DE ARCO ELECTRICO QUE COMPRENDE LA FORMACION DE UNA CORRIENTE DE GAS PREFERENCIAL DENTRO DEL HORNO DE ARCO ELECTRICO, LA CONCENTRACION DE MONOXIDO DE CARBONO DENTRO DE LA CORRIENTE DE GAS, Y EL SUMINISTRO DE OXIGENO DE POS-COMBUSTION AL INTERIOR DE LA CORRIENTE DE GAS EN DONDE SE CONCENTRA EL MONOXIDO DE CARBONO.
ES95111438T 1994-07-21 1995-07-20 Metodo para poscombustion en un horno de arco electrico. Expired - Lifetime ES2137417T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/278,203 US5572544A (en) 1994-07-21 1994-07-21 Electric arc furnace post combustion method

Publications (1)

Publication Number Publication Date
ES2137417T3 true ES2137417T3 (es) 1999-12-16

Family

ID=23064099

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95111438T Expired - Lifetime ES2137417T3 (es) 1994-07-21 1995-07-20 Metodo para poscombustion en un horno de arco electrico.

Country Status (9)

Country Link
US (1) US5572544A (es)
EP (1) EP0693561B1 (es)
JP (1) JP2951242B2 (es)
KR (1) KR100236485B1 (es)
CN (1) CN1089429C (es)
BR (1) BR9503388A (es)
CA (1) CA2154299C (es)
DE (1) DE69513098T2 (es)
ES (1) ES2137417T3 (es)

Families Citing this family (37)

* 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
US5733358A (en) * 1994-12-20 1998-03-31 Usx Corporation And Praxair Technology, Inc. Process and apparatus for the manufacture of steel from iron carbide
US5822357A (en) * 1995-06-19 1998-10-13 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Process for melting a charge in a furnace
US6125133A (en) * 1997-03-18 2000-09-26 Praxair, Inc. Lance/burner for molten metal furnace
US6096261A (en) * 1997-11-20 2000-08-01 Praxair Technology, Inc. Coherent jet injector lance
US5943360A (en) * 1998-04-17 1999-08-24 Fuchs Systems, Inc. Electric arc furnace that uses post combustion
IT1299805B1 (it) * 1998-06-08 2000-04-04 More Srl Procedimento di fusione perfezionato e dispositivo idoneo a concretizzare detto procedimento
DE19922509A1 (de) * 1999-05-15 2000-11-23 Messer Griesheim Gmbh Vorrichtung und Verfahren zur Eindüsung von Erdgas und/oder Sauerstoff
AUPQ083599A0 (en) * 1999-06-08 1999-07-01 Technological Resources Pty Limited Direct smelting vessel
US6400747B1 (en) 2001-05-18 2002-06-04 Praxair Technology, Inc. Quadrilateral assembly for coherent jet lancing and post combustion in an electric arc furnace
US6875251B2 (en) * 2002-05-15 2005-04-05 Hatch Ltd. Continuous steelmaking process
US6584137B1 (en) 2002-07-22 2003-06-24 Nucor Corporation Method for making steel with electric arc furnace
JP3734779B2 (ja) * 2002-08-05 2006-01-11 同和鉱業株式会社 白金族元素の乾式回収法
AU2006279270A1 (en) * 2005-08-11 2007-02-15 Advanced Intellectual Holdings Pty Ltd Smelting furnace
ATE544505T1 (de) * 2008-06-26 2012-02-15 Praxair Technology Inc Verbrennung von co und brennbaren stoffen in stahlofenabgasen
MX2011005635A (es) * 2009-02-03 2011-06-24 Siemens Ag Procedimiento y dispositivo para regural la salida de monoxido de carbono de un horno de arco electrico.
US8597398B2 (en) * 2009-03-19 2013-12-03 Massachusetts Institute Of Technology Method of refining the grain structure of alloys
US8202470B2 (en) * 2009-03-24 2012-06-19 Fives North American Combustion, Inc. Low NOx fuel injection for an indurating furnace
KR101753918B1 (ko) 2009-04-17 2017-07-04 시어스톤 엘엘씨 탄소 산화물을 환원시켜 고형 탄소를 제조하는 방법
KR101239569B1 (ko) 2010-12-28 2013-03-05 주식회사 포스코 금속회수율이 향상된 아크 전기로
CN104284861A (zh) 2012-04-16 2015-01-14 赛尔斯通股份有限公司 处理含有碳氧化物的废气的方法
CN104302575B (zh) 2012-04-16 2017-03-22 赛尔斯通股份有限公司 通过还原二氧化碳来产生固体碳的方法
MX354526B (es) 2012-04-16 2018-03-07 Seerstone Llc Metodos y sistemas para capturar y secuestrar carbono y para reducir la masa de oxidos de carbono en una corriente de gas de desechos.
NO2749379T3 (es) 2012-04-16 2018-07-28
JP6328611B2 (ja) 2012-04-16 2018-05-23 シーアストーン リミテッド ライアビリティ カンパニー 非鉄触媒で炭素酸化物を還元するための方法および構造
US9896341B2 (en) 2012-04-23 2018-02-20 Seerstone Llc Methods of forming carbon nanotubes having a bimodal size distribution
JP6284934B2 (ja) 2012-07-12 2018-02-28 シーアストーン リミテッド ライアビリティ カンパニー カーボンナノチューブを含む固体炭素生成物およびそれを形成する方法
US10815124B2 (en) 2012-07-12 2020-10-27 Seerstone Llc Solid carbon products comprising carbon nanotubes and methods of forming same
MX2015000580A (es) 2012-07-13 2015-08-20 Seerstone Llc Metodos y sistemas para formar productos de carbono solido y amoniaco.
US9779845B2 (en) 2012-07-18 2017-10-03 Seerstone Llc Primary voltaic sources including nanofiber Schottky barrier arrays and methods of forming same
JP6389824B2 (ja) 2012-11-29 2018-09-12 シーアストーン リミテッド ライアビリティ カンパニー 固体炭素材料を製造するための反応器および方法
WO2014150944A1 (en) 2013-03-15 2014-09-25 Seerstone Llc Methods of producing hydrogen and solid carbon
EP3129133A4 (en) 2013-03-15 2018-01-10 Seerstone LLC Systems for producing solid carbon by reducing carbon oxides
US10086349B2 (en) 2013-03-15 2018-10-02 Seerstone Llc Reactors, systems, and methods for forming solid products
ES2900814T3 (es) 2013-03-15 2022-03-18 Seerstone Llc Electrodos que comprenden carbono nanoestructurado
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
WO2018022999A1 (en) 2016-07-28 2018-02-01 Seerstone Llc. Solid carbon products comprising compressed carbon nanotubes in a container and methods of forming same

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3839017A (en) * 1972-01-04 1974-10-01 Pennsylvania Engineering Corp Apparatus and method for converting impure ferrous metal to steel
IT1038230B (it) * 1974-05-22 1979-11-20 Krupp Gmbh Procedimento per la produzione di acciaio
GB1486539A (en) * 1974-10-04 1977-09-21 British Steel Corp Steelmaking
US4302244A (en) * 1980-07-18 1981-11-24 Pennsylvania Engineering Corporation Steel conversion method
US4497656A (en) * 1982-06-23 1985-02-05 Pennsylvania Engineering Corporation Steel making method
US4537629A (en) * 1984-08-20 1985-08-27 Instituto Mexicano De Investigaciones Siderurgicas Method for obtaining high purity ductile iron
US4574714A (en) * 1984-11-08 1986-03-11 United States Steel Corporation Destruction of toxic chemicals
US4599107A (en) * 1985-05-20 1986-07-08 Union Carbide Corporation Method for controlling secondary top-blown oxygen in subsurface pneumatic steel refining
US4699654A (en) * 1986-04-08 1987-10-13 Union Carbide Corporation Melting furnace and method for melting metal
CA1311787C (en) * 1986-06-24 1992-12-22 Masahisa Tate Method of bottom blowing operation of a steel making electric furnace
DE3629055A1 (de) * 1986-08-27 1988-03-03 Kloeckner Cra Tech Verfahren zum gesteigerten energieeinbringen in elektrolichtbogenoefen
CA1337241C (en) * 1987-11-30 1995-10-10 Nkk Corporation Method for smelting reduction of iron ore and apparatus therefor
FR2634787B1 (fr) * 1988-08-01 1991-11-29 Siderurgie Fse Inst Rech Procede d'obtention d'un laitier moussant dans un four electrique d'acierie
DE3931392A1 (de) * 1989-09-20 1991-03-28 Fuchs Systemtechnik Gmbh Verfahren und vorrichtung zum zumindest zeitweise gleichzeitigen beaufschlagen einer metallschmelze mit einem gas und feinkoernigen feststoffen
DE4034809A1 (de) * 1990-11-02 1992-05-07 Beda Oxygentech Armatur Lanzenroboter
EP0625685B1 (en) * 1993-05-17 1999-07-21 DANIELI & C. OFFICINE MECCANICHE S.p.A. Electric arc furnace with alternative sources of energy and operating method for such electric furnace

Also Published As

Publication number Publication date
EP0693561B1 (en) 1999-11-03
JP2951242B2 (ja) 1999-09-20
KR100236485B1 (ko) 2000-01-15
US5572544A (en) 1996-11-05
CN1120653A (zh) 1996-04-17
CA2154299A1 (en) 1996-01-22
JPH08188817A (ja) 1996-07-23
DE69513098T2 (de) 2000-05-25
CN1089429C (zh) 2002-08-21
CA2154299C (en) 1999-05-11
DE69513098D1 (de) 1999-12-09
EP0693561A1 (en) 1996-01-24
BR9503388A (pt) 1996-07-16

Similar Documents

Publication Publication Date Title
ES2137417T3 (es) Metodo para poscombustion en un horno de arco electrico.
SE8304232L (sv) Svetsmetod
KR950700968A (ko) 플라스마 토오치에서 전극소모의 감소방법(electrode consumption in plasma torches)
GB9212581D0 (en) Glass melting furnace and method of operating the same
TW338171B (en) Short-circuit arc mercury light
KR840008699A (ko) 야금로의 작동법
ATE26467T1 (de) Verfahren und vorrichtung zum einschmelzen von schrott.
ES2186094T3 (es) Metodo para controlar la atmosfera de un horno de tratamiento termico.
AR035418A1 (es) Un ensamble cuadrilateral conveniente para la instalacion en una pared de un horno de arco electrico y un metodo para proporcionar gas en un horno de arco electrico
WO2008097263A3 (en) Apparatus and method of oxidation utilizing a gliding electric arc
KR920018439A (ko) 직류 아크 용해 장치
KR920002817A (ko) 가스 침탄 방법 및 그의 장치
ES2040178A1 (es) Metodo de control de la purga de la camara de soldadura y de la atmosfera de gas protectora.
SE8203538L (sv) Anordning for direktreduktion
HUP9900992A2 (hu) Eljárás és berendezés ingadozó teljesítményű plazma előállítására
JPH05261358A (ja) 焼却灰の溶融方法及び溶融装置
JPS52147513A (en) Smelting method of low nitrogen steel at steel making arc furnace
Evrard The Sources of Modern Welding
JPS57123641A (en) High pressure electric discharge lamp
MX9202801A (es) Metodo para controlar la relacion de combustible/aire en quemadores multiples usados para fusion de cobre
JPS57165174A (en) Arc starting method
SE9803971L (sv) Förfarande och anordning vid gasmetallbågsvetsning
DE59902316D1 (de) Plasma-Schweissbrenner
CO4440446A1 (es) Procedimiento para la reduccion de minerales lateriticos de niquel
JPS5376105A (en) Supplying method for hydrocarbon gas into arc furnace

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 693561

Country of ref document: ES