DE69526422D1 - Schmelzverfahren für Lichtbogenofen mit verschiedenen Energiequellen und Lichtbogen dafür - Google Patents

Schmelzverfahren für Lichtbogenofen mit verschiedenen Energiequellen und Lichtbogen dafür

Info

Publication number
DE69526422D1
DE69526422D1 DE69526422T DE69526422T DE69526422D1 DE 69526422 D1 DE69526422 D1 DE 69526422D1 DE 69526422 T DE69526422 T DE 69526422T DE 69526422 T DE69526422 T DE 69526422T DE 69526422 D1 DE69526422 D1 DE 69526422D1
Authority
DE
Germany
Prior art keywords
slag
oxygen
furnace
molten metal
lance
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
DE69526422T
Other languages
English (en)
Other versions
DE69526422T2 (de
Inventor
Gianni Gensini
Matteo Losciale
Cecco Corrado De
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.)
Danieli and C Officine Meccaniche SpA
Original Assignee
Danieli and C Officine Meccaniche SpA
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 Danieli and C Officine Meccaniche SpA filed Critical Danieli and C Officine Meccaniche SpA
Application granted granted Critical
Publication of DE69526422D1 publication Critical patent/DE69526422D1/de
Publication of DE69526422T2 publication Critical patent/DE69526422T2/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
    • 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
    • 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; Tank furnaces
    • F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
    • F27B3/20—Arrangements of heating devices
    • F27B3/205—Burners
    • 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
DE69526422T 1995-01-17 1995-12-22 Schmelzverfahren für Lichtbogenofen mit verschiedenen Energiequellen und Lichtbogen dafür Expired - Lifetime DE69526422T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT95UD000003A IT1280115B1 (it) 1995-01-17 1995-01-17 Procedimento di fusione per forno elettrico ad arco con sorgenti alternative di energia e relativo forno elettrico ad arco

Publications (2)

Publication Number Publication Date
DE69526422D1 true DE69526422D1 (de) 2002-05-23
DE69526422T2 DE69526422T2 (de) 2003-04-24

Family

ID=11421697

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69526422T Expired - Lifetime DE69526422T2 (de) 1995-01-17 1995-12-22 Schmelzverfahren für Lichtbogenofen mit verschiedenen Energiequellen und Lichtbogen dafür

Country Status (12)

Country Link
US (1) US5802097A (de)
EP (1) EP0723129B1 (de)
CN (1) CN1145469A (de)
AT (1) ATE216483T1 (de)
BR (1) BR9600458A (de)
CA (1) CA2167140A1 (de)
DE (1) DE69526422T2 (de)
ES (1) ES2174894T3 (de)
IN (1) IN186479B (de)
IT (1) IT1280115B1 (de)
PL (1) PL312321A1 (de)
ZA (1) ZA9683B (de)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPN226095A0 (en) 1995-04-07 1995-05-04 Technological Resources Pty Limited A method of producing metals and metal alloys
AUPO426096A0 (en) 1996-12-18 1997-01-23 Technological Resources Pty Limited Method and apparatus for producing metals and metal alloys
AUPO426396A0 (en) 1996-12-18 1997-01-23 Technological Resources Pty Limited A method of producing iron
DE19707319C1 (de) * 1997-02-12 1998-06-18 Mannesmann Ag Verfahren und Einrichtung zum Positionieren der Mündung einer verzehrbaren Lanze
LU90055B1 (fr) * 1997-04-24 1998-10-26 Wurth Paul Sa Procédé de fusion d'alliages à base de fer dans un four électrique
AUPO944697A0 (en) * 1997-09-26 1997-10-16 Technological Resources Pty Limited A method of producing metals and metal alloys
BR9706510A (pt) * 1997-12-30 2000-03-14 White Martins Sa Método para injeção de oxigênio em fornos elétricos a arco para produção de aço.
IT1299725B1 (it) * 1998-01-23 2000-04-04 Danieli Off Mecc Procedimento di alimentazione per tubiere per forno elettrico e relativo dispostivo di alimentazione
US5999557A (en) * 1998-06-19 1999-12-07 The Broken Hill Proprietary Company Steel making bath control
AUPP442598A0 (en) 1998-07-01 1998-07-23 Technological Resources Pty Limited Direct smelting vessel
AUPP483898A0 (en) 1998-07-24 1998-08-13 Technological Resources Pty Limited A direct smelting process & apparatus
MY119760A (en) 1998-07-24 2005-07-29 Tech Resources Pty Ltd A direct smelting process
AUPP554098A0 (en) * 1998-08-28 1998-09-17 Technological Resources Pty Limited A process and an apparatus for producing metals and metal alloys
AUPP570098A0 (en) 1998-09-04 1998-10-01 Technological Resources Pty Limited A direct smelting process
AUPP647198A0 (en) 1998-10-14 1998-11-05 Technological Resources Pty Limited A process and an apparatus for producing metals and metal alloys
AUPP805599A0 (en) 1999-01-08 1999-02-04 Technological Resources Pty Limited A direct smelting process
FR2793263A1 (fr) * 1999-05-07 2000-11-10 Air Liquide Four a arc electrique pour la production d'acier et procede de mise en oeuvre de ce four
AUPQ083599A0 (en) 1999-06-08 1999-07-01 Technological Resources Pty Limited Direct smelting vessel
AUPQ152299A0 (en) 1999-07-09 1999-08-05 Technological Resources Pty Limited Start-up procedure for direct smelting process
AUPQ205799A0 (en) 1999-08-05 1999-08-26 Technological Resources Pty Limited A direct smelting process
AUPQ213099A0 (en) 1999-08-10 1999-09-02 Technological Resources Pty Limited Pressure control
AUPQ308799A0 (en) 1999-09-27 1999-10-21 Technological Resources Pty Limited A direct smelting process
AUPQ346399A0 (en) 1999-10-15 1999-11-11 Technological Resources Pty Limited Stable idle procedure
AUPQ365799A0 (en) 1999-10-26 1999-11-18 Technological Resources Pty Limited A direct smelting apparatus and process
US6614831B2 (en) * 2000-02-10 2003-09-02 Process Technology International, Inc. Mounting arrangement for auxiliary burner or lance
US6602321B2 (en) 2000-09-26 2003-08-05 Technological Resources Pty. Ltd. Direct smelting process
DE10240116A1 (de) * 2002-08-30 2004-03-11 Advanced Micro Devices, Inc., Sunnyvale Verfahren zur Herstellung lokaler Verbindungsbarrierenschichten
US6999495B2 (en) 2002-12-19 2006-02-14 Air Liquide America, Lp Method and apparatus for spatial energy coverage
AT412283B (de) * 2003-05-16 2004-12-27 Voest Alpine Ind Anlagen Verfahren zum verwerten von schlacke
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
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
CN102037146B (zh) * 2008-03-28 2013-06-05 乔治洛德方法研究和开发液化空气有限公司 燃烧器/喷射器屏板设备
US8042602B2 (en) * 2009-06-16 2011-10-25 Nucor Corporation High efficiency plant for making steel
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
US20130095437A1 (en) * 2011-04-05 2013-04-18 Air Products And Chemicals, Inc. Oxy-Fuel Furnace and Method of Heating Material in an Oxy-Fuel Furnace
CN102618693A (zh) * 2012-04-24 2012-08-01 中冶赛迪工程技术股份有限公司 偏心出钢侧顶连续加料的密闭电炉炉体
US9068779B2 (en) 2013-03-15 2015-06-30 L'Air Liquide SociétéAnonyme Pour L 'Étude Et L Eploitation Des Procedes Georges Claude Water-cooled burner and/or injector panel kits, water-cooled burner and/or injector panel apparatus, and methods of using the same
ITUD20130052A1 (it) * 2013-04-23 2014-10-24 Danieli Off Mecc Procedimento per la fusione di materiale metallico in un impianto di fusione e relativo impianto di fusione
CN104848682B (zh) * 2015-05-11 2018-04-13 中国恩菲工程技术有限公司 熔池熔炼炉
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
CN106367558A (zh) * 2016-10-11 2017-02-01 马鞍山钢铁股份有限公司 一种电弧炉氧枪结构
DE102020215140A1 (de) 2020-12-01 2022-06-02 Sms Group Gmbh Verfahren und Einschmelzaggregat zum pyrometallurgischen Einschmelzen von metallhaltigen Rohstoffen, Reststoffen und/oder Sekundärreststoffen
US20230287528A1 (en) * 2022-03-11 2023-09-14 Midrex Technologies, Inc. Hot Metal Production from DRI with Electric Arc Heating

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3459867A (en) * 1967-08-10 1969-08-05 Air Reduction Direct arc furnace
DE2160999A1 (de) * 1971-12-09 1973-06-28 Maximilianshuette Eisenwerk Duese zum einleiten von sauerstoff mit einem schutzmedium in konvertergefaesse
US3902889A (en) * 1972-11-30 1975-09-02 United States Steel Corp Electric arc melting furnace
US3980802A (en) * 1973-10-24 1976-09-14 Paton Boris E Method of arc control in plasma arc furnace torches
DE3629055A1 (de) * 1986-08-27 1988-03-03 Kloeckner Cra Tech Verfahren zum gesteigerten energieeinbringen in elektrolichtbogenoefen
DE3806977A1 (de) * 1988-03-03 1989-09-14 Fuchs Systemtechnik Gmbh Verfahren zum regeln des durchflusses beim einblasen eines gases durch einen bodenspuelstein waehrend des einschmelzens von metallen
GB9126068D0 (en) * 1991-12-07 1992-02-05 Air Prod & Chem Tuyere for installation in hearth of electric arc furnace
ES2134871T3 (es) * 1993-05-17 1999-10-16 Danieli Off Mecc Horno electrico de arco y metodo de funcionamiento.
ATA155793A (de) * 1993-08-04 1996-04-15 Voest Alpine Ind Anlagen Verfahren zum herstellen einer metallschmelze und anlage zur durchführung des verfahrens
JPH07145420A (ja) * 1993-09-30 1995-06-06 Ishikawajima Harima Heavy Ind Co Ltd 電気アーク溶解炉

Also Published As

Publication number Publication date
ZA9683B (en) 1996-08-08
CN1145469A (zh) 1997-03-19
EP0723129B1 (de) 2002-04-17
ITUD950003A1 (it) 1996-07-17
DE69526422T2 (de) 2003-04-24
ATE216483T1 (de) 2002-05-15
CA2167140A1 (en) 1996-07-18
US5802097A (en) 1998-09-01
BR9600458A (pt) 1998-03-03
ITUD950003A0 (it) 1995-01-17
EP0723129A3 (de) 1996-11-06
ES2174894T3 (es) 2002-11-16
PL312321A1 (en) 1996-07-22
IT1280115B1 (it) 1998-01-05
EP0723129A2 (de) 1996-07-24
IN186479B (de) 2001-09-08

Similar Documents

Publication Publication Date Title
DE69526422T2 (de) Schmelzverfahren für Lichtbogenofen mit verschiedenen Energiequellen und Lichtbogen dafür
EP1114192B1 (de) Verfahren und vorrichtung zur herstellung von metallen und metalllegierungen
US20030075843A1 (en) Multi-purpose, multi-oxy-fuel, power burner/injector/oxygen lance device
US5286277A (en) Method for producing steel
EP0308925B1 (de) Verfahren und Vorrichtung zum Einschmelzen und Reduzieren von Eisenerzen
DE69925135D1 (de) Direktschmelzgefäss und direktschmelzverfahren
KR20000068375A (ko) 용융금속을 생산하는 설비 및 방법
US5454852A (en) Converter for the production of steel
MX341171B (es) Metodo para la fusion y descarburizacion de fusiones de carbono de hierro.
JPS6232246B2 (de)
RU97118334A (ru) Установка и способ для получения расплавов железа
JPH0726318A (ja) 製鋼用電気炉の操業方法
US5417740A (en) Method for producing steel
AU704090B2 (en) Process and apparatus for the manufacture of steel from iron carbide
GB1499451A (en) Method and apparatus for melting metals
JPH10500455A (ja) 電気アーク炉で鋼を製造する方法とそのための電気アーク炉
US4925489A (en) Process for melting scrap iron, sponge iron and/or solid pig iron
JPH0723494B2 (ja) 溶融金属の精錬方法及びその装置
JPH0368082B2 (de)
RU2756679C1 (ru) Способ комбинированной продувки расплава в конвертере
JPS631367B2 (de)
Hofmann et al. Contiarc-A new scrap melting technology
SU705224A1 (ru) Фурма дл плавильных печей
EP1431403A1 (de) Direktschmelzanlage sowie Verfahren
TW202248424A (zh) 電爐及煉鋼方法

Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication related to discontinuation of the patent is to be deleted
8364 No opposition during term of opposition