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BR9503388A - Método para executar pós-combustao em um forno a arco elétrico - Google Patents

Método para executar pós-combustao em um forno a arco elétrico

Info

Publication number
BR9503388A
BR9503388A BR9503388A BR9503388A BR9503388A BR 9503388 A BR9503388 A BR 9503388A BR 9503388 A BR9503388 A BR 9503388A BR 9503388 A BR9503388 A BR 9503388A BR 9503388 A BR9503388 A BR 9503388A
Authority
BR
Brazil
Prior art keywords
electric arc
arc furnace
performing post
post combustion
combustion
Prior art date
Application number
BR9503388A
Other languages
English (en)
Inventor
Pravin Chandra Mathur
Zhiyou Du
Ronald Joseph Selines
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=BR9503388(A) "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
Publication of BR9503388A publication Critical patent/BR9503388A/pt

Links

Classifications

    • 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
    • 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; Electric arc furnaces ; Tank furnaces
    • F27B3/10—Details, accessories or equipment, e.g. dust-collectors, specially adapted for 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
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/30—Arrangements for extraction or collection of waste gases; Hoods therefor
    • F27D17/304—Arrangements for extraction or collection of waste gases; Hoods therefor specially adapted for electric arc furnaces
    • 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

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)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Furnace Details (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
BR9503388A 1994-07-21 1995-07-20 Método para executar pós-combustao em um forno a arco elétrico BR9503388A (pt)

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
BR9503388A true BR9503388A (pt) 1996-07-16

Family

ID=23064099

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9503388A BR9503388A (pt) 1994-07-21 1995-07-20 Método para executar pós-combustao em um forno a arco elétrico

Country Status (9)

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

Families Citing this family (38)

* 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
RU2218420C2 (ru) * 1998-08-28 2003-12-10 Праксайр Текнолоджи, Инк. Способ подачи газа в печь
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
US20100263484A1 (en) * 2005-08-11 2010-10-21 Advanced Intellectual Holdings Pty Ltd Smelting furnace
US20110094340A1 (en) * 2008-06-26 2011-04-28 Kuang Tsai Wu Combustion of co and combustibles in steel furnace offgases
CN102308173B (zh) * 2009-02-03 2015-09-30 西门子公司 用于调节电弧炉一氧化碳排放的方法和装置
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
AU2010236807B2 (en) 2009-04-17 2014-09-25 Seerstone Llc Method for producing solid carbon by reducing carbon oxides
KR101239569B1 (ko) 2010-12-28 2013-03-05 주식회사 포스코 금속회수율이 향상된 아크 전기로
MX2014012548A (es) 2012-04-16 2015-04-10 Seerstone Llc Metodos y estructuras para reducir oxidos de carbono con catalizadores no ferrosos.
NO2749379T3 (pt) 2012-04-16 2018-07-28
EP2838844A4 (en) 2012-04-16 2015-10-28 Seerstone Llc METHOD FOR TREATING A GAS CLEARANCE CONTAINING CARBON OXIDES
EP2838838A4 (en) 2012-04-16 2015-10-21 Seerstone Llc METHOD AND SYSTEMS FOR DETECTING AND SEQUESTRATING CARBON AND REDUCING THE MASS OF CARBOX OXIDES IN A GAS FLOW
WO2013158160A1 (en) 2012-04-16 2013-10-24 Seerstone Llc Method for producing solid carbon by reducing carbon dioxide
US9896341B2 (en) 2012-04-23 2018-02-20 Seerstone Llc Methods of forming carbon nanotubes having a bimodal size distribution
US10815124B2 (en) 2012-07-12 2020-10-27 Seerstone Llc Solid carbon products comprising carbon nanotubes and methods of forming same
US9604848B2 (en) 2012-07-12 2017-03-28 Seerstone Llc Solid carbon products comprising carbon nanotubes and methods of forming same
CN104619640B (zh) 2012-07-13 2017-05-31 赛尔斯通股份有限公司 用于形成氨和固体碳产物的方法和系统
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
US9586823B2 (en) 2013-03-15 2017-03-07 Seerstone Llc Systems for producing solid carbon by reducing carbon oxides
US10115844B2 (en) 2013-03-15 2018-10-30 Seerstone Llc Electrodes comprising nanostructured carbon
WO2014151138A1 (en) 2013-03-15 2014-09-25 Seerstone Llc Reactors, systems, and methods for forming solid products
US9783416B2 (en) 2013-03-15 2017-10-10 Seerstone Llc Methods of producing hydrogen and solid carbon
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
US11752459B2 (en) 2016-07-28 2023-09-12 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
ATE182400T1 (de) * 1993-05-17 1999-08-15 Danieli Off Mecc Lichtbogenofen mit verschiedenen energiequellen und verfahren für seinem betrieb

Also Published As

Publication number Publication date
ES2137417T3 (es) 1999-12-16
US5572544A (en) 1996-11-05
CN1120653A (zh) 1996-04-17
JPH08188817A (ja) 1996-07-23
JP2951242B2 (ja) 1999-09-20
CA2154299C (en) 1999-05-11
KR100236485B1 (ko) 2000-01-15
DE69513098T2 (de) 2000-05-25
CA2154299A1 (en) 1996-01-22
DE69513098D1 (de) 1999-12-09
CN1089429C (zh) 2002-08-21
EP0693561A1 (en) 1996-01-24
EP0693561B1 (en) 1999-11-03

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Legal Events

Date Code Title Description
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B24C Patent annual fee: request for for restoration

Free format text: REFERENTE A 13A E 14A ANUIDADE(S)

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AO NAO CUMPRIMENTO DO DESPACHO 24.3 NA RPI 2054 DE 18/05/2010 E COMPROVAR RECOLHIMENTO DA15A, 16A, 17A E 18A ANUIDADES.