DE69430961T2 - Elektrolichtbogenofen - Google Patents

Elektrolichtbogenofen

Info

Publication number
DE69430961T2
DE69430961T2 DE69430961T DE69430961T DE69430961T2 DE 69430961 T2 DE69430961 T2 DE 69430961T2 DE 69430961 T DE69430961 T DE 69430961T DE 69430961 T DE69430961 T DE 69430961T DE 69430961 T2 DE69430961 T2 DE 69430961T2
Authority
DE
Germany
Prior art keywords
exhaust gas
scrap
temperature
furnace shell
thermometer
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
DE69430961T
Other languages
German (de)
English (en)
Other versions
DE69430961D1 (de
Inventor
Toru Iura
Masaki Ogushi
Osamu Takeuchi
Ikuo Yamamura
Hironobu Yoshida
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.)
IHI Corp
Original Assignee
Ishikawajima Harima Heavy Industries Co Ltd
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 Ishikawajima Harima Heavy Industries Co Ltd filed Critical Ishikawajima Harima Heavy Industries Co Ltd
Application granted granted Critical
Publication of DE69430961D1 publication Critical patent/DE69430961D1/de
Publication of DE69430961T2 publication Critical patent/DE69430961T2/de
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
    • C21C5/5229Manufacture of steel in electric furnaces in a direct current [DC] electric arc furnace
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/12Making spongy iron or liquid steel, by direct processes in electric furnaces
    • 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
    • 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
    • C21C5/527Charging of the electric furnace
    • 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
    • C21C5/56Manufacture of steel by other methods
    • C21C5/562Manufacture of steel by other methods starting from scrap
    • C21C5/565Preheating of scrap
    • 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; Electric arc furnaces ; Tank furnaces
    • F27B3/10Details, accessories or equipment, e.g. dust-collectors, specially adapted for hearth-type furnaces
    • F27B3/18Arrangements of devices for charging
    • F27B3/183Charging of arc furnaces vertically through the roof, e.g. in three points
    • F27B3/186Charging in a vertical chamber adjacent to the melting chamber
    • 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; Electric arc furnaces ; Tank furnaces
    • F27B3/10Details, accessories or equipment, e.g. dust-collectors, specially adapted for hearth-type furnaces
    • F27B3/20Arrangements of heating devices
    • 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; Electric arc furnaces ; Tank furnaces
    • F27B3/10Details, accessories or equipment, e.g. dust-collectors, specially adapted for hearth-type furnaces
    • F27B3/20Arrangements of heating devices
    • F27B3/205Burners
    • 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; Electric arc furnaces ; Tank furnaces
    • F27B3/10Details, accessories or equipment, e.g. dust-collectors, specially adapted for hearth-type furnaces
    • F27B3/22Arrangements of air or gas supply devices
    • F27B3/225Oxygen blowing
    • 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; Electric arc furnaces ; Tank furnaces
    • F27B3/10Details, accessories or equipment, e.g. dust-collectors, specially adapted for hearth-type furnaces
    • F27B3/28Arrangement of controlling, monitoring, alarm or the like devices
    • 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
    • F27D13/00Apparatus for preheating charges; Arrangements for preheating charges
    • F27D13/002Preheating scrap
    • 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
    • F27D19/00Arrangements of controlling devices
    • 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
    • F27D19/00Arrangements of controlling devices
    • F27D2019/0006Monitoring the characteristics (composition, quantities, temperature, pressure) of at least one of the gases of the kiln atmosphere and using it as a controlling value
    • F27D2019/0018Monitoring the temperature of the atmosphere of the kiln
    • F27D2019/0021Monitoring the temperature of the exhaust gases
    • 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
    • F27D19/00Arrangements of controlling devices
    • F27D2019/0028Regulation
    • F27D2019/0068Regulation involving a measured inflow of a particular gas in the enclosure
    • 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)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Furnace Details (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
DE69430961T 1993-09-30 1994-04-14 Elektrolichtbogenofen Expired - Lifetime DE69430961T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP24483993 1993-09-30
JP32415893A JPH07145420A (ja) 1993-09-30 1993-12-22 電気アーク溶解炉

Publications (2)

Publication Number Publication Date
DE69430961D1 DE69430961D1 (de) 2002-08-14
DE69430961T2 true DE69430961T2 (de) 2003-03-27

Family

ID=26536928

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69430961T Expired - Lifetime DE69430961T2 (de) 1993-09-30 1994-04-14 Elektrolichtbogenofen
DE69422492T Expired - Lifetime DE69422492T2 (de) 1993-09-30 1994-04-14 Elektrischer lichtbogenofen mit kontrolliertem einblasen von sauerstoff

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69422492T Expired - Lifetime DE69422492T2 (de) 1993-09-30 1994-04-14 Elektrischer lichtbogenofen mit kontrolliertem einblasen von sauerstoff

Country Status (11)

Country Link
US (2) US5590150A (cg-RX-API-DMAC10.html)
EP (2) EP0671595B1 (cg-RX-API-DMAC10.html)
JP (1) JPH07145420A (cg-RX-API-DMAC10.html)
KR (1) KR0163970B1 (cg-RX-API-DMAC10.html)
CN (2) CN1099573C (cg-RX-API-DMAC10.html)
AU (3) AU668821B2 (cg-RX-API-DMAC10.html)
CA (1) CA2135780C (cg-RX-API-DMAC10.html)
DE (2) DE69430961T2 (cg-RX-API-DMAC10.html)
ES (2) ES2141825T3 (cg-RX-API-DMAC10.html)
TW (1) TW263554B (cg-RX-API-DMAC10.html)
WO (1) WO1995009336A1 (cg-RX-API-DMAC10.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011015211A1 (de) * 2011-03-25 2012-09-27 Kautz Vorrichtungsbau Gmbh Verfahren zum Betrieb eines Elektrolichtbogenofensystems und Elektrolichtbogenofensystem

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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
FR2735563B1 (fr) * 1995-06-19 1997-07-25 Air Liquide Procede de fusion d'une charge dans un four
IT1299725B1 (it) 1998-01-23 2000-04-04 Danieli Off Mecc Procedimento di alimentazione per tubiere per forno elettrico e relativo dispostivo di alimentazione
US5943360A (en) * 1998-04-17 1999-08-24 Fuchs Systems, Inc. Electric arc furnace that uses post combustion
WO2001004559A1 (fr) * 1999-07-08 2001-01-18 Nkk Corporation Equipement et procede de fusion a l'arc pour source de fonte brute froide
US6689182B2 (en) * 2001-10-01 2004-02-10 Kobe Steel, Ltd. Method and device for producing molten iron
US6952446B1 (en) 2001-12-10 2005-10-04 The United States Of America As Represented By The Secretary Of The Air Force Digital filter bank followed by monobit receivers for signal processing
US6748004B2 (en) * 2002-07-25 2004-06-08 Air Liquide America, L.P. Methods and apparatus for improved energy efficient control of an electric arc furnace fume extraction system
WO2008024506A2 (en) * 2006-08-25 2008-02-28 The Boc Group, Inc. Oxygen injection through a roof or crown of a glass furnace
KR100799624B1 (ko) * 2007-04-09 2008-01-30 이광희 용해조 배출가스 연소장치
RU2360197C1 (ru) * 2007-11-01 2009-06-27 Александр Александрович Максимов Способ очистки отходящих газов рудно-термических печей и установка для его осуществления
DE102008009923B4 (de) * 2008-02-18 2018-02-15 Sms Group Gmbh Verfahren zur Oxidation brennbarer Bestandteile im Abgas eines Lichtbogenofens
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
JP2011033217A (ja) * 2009-07-30 2011-02-17 Jp Steel Plantech Co アーク溶解設備及びアーク溶解設備を用いた溶湯の製造方法
EP2290310A1 (de) * 2009-07-31 2011-03-02 Siemens Aktiengesellschaft Verfahren zur dynamischen Regelung zumindest einer Einheit umfassend mindestens einen Brenner sowie Vorrichtung zur Durchführung des Verfahrens
EP2471959A1 (en) * 2009-08-27 2012-07-04 JP Steel Plantech Co. Arc melting facility, and method for manufacturing molten metal using the arc melting facility
KR101185211B1 (ko) * 2009-12-29 2012-09-21 현대제철 주식회사 전기로의 슬래그 배출 도어 장치
IT1401116B1 (it) * 2010-07-14 2013-07-12 Tenova Spa Sistema di carica continua ad un forno fusorio di materiale metallico preriscaldato in forma continua, potenziata e combinata.
CN101915504B (zh) * 2010-08-23 2012-04-25 董兰田 富氧底吹双口放锍倾斜熔炉
RU2478890C2 (ru) * 2011-02-21 2013-04-10 Мухтар Зуфарович Валитов Вытяжное устройство для улавливания неорганизованных выбросов от металлургического агрегата
KR101299096B1 (ko) * 2011-03-30 2013-08-28 현대제철 주식회사 래들로용 지붕
CN103033033B (zh) * 2012-12-31 2014-12-17 攀钢集团工程技术有限公司 一种钒制品熔化炉
KR101567866B1 (ko) * 2014-03-07 2015-11-10 주식회사 에스에이씨 전기 아크로 및 전기 아크로의 스크랩 예열 방법
JPWO2019064433A1 (ja) * 2017-09-28 2020-03-26 大陽日酸株式会社 溶解・精錬炉の操業方法及び溶解・精錬炉
CN116592632A (zh) * 2023-05-16 2023-08-15 金昌市坤森新能源科技有限公司 一种合金材料的制备装置及制备方法
WO2025158177A1 (en) * 2024-01-25 2025-07-31 Arcelormittal Method for controlling the suction of process gasses in an electric arc furnace and associated steel production installation

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011015211A1 (de) * 2011-03-25 2012-09-27 Kautz Vorrichtungsbau Gmbh Verfahren zum Betrieb eines Elektrolichtbogenofensystems und Elektrolichtbogenofensystem
DE102011015211B4 (de) * 2011-03-25 2014-01-30 Kautz Vorrichtungsbau Gmbh Verfahren zum Betrieb eines Elektrolichtbogenofensystems und Elektrolichtbogenofensystem

Also Published As

Publication number Publication date
DE69422492D1 (de) 2000-02-10
KR0163970B1 (ko) 1999-01-15
CA2135780C (en) 1998-12-22
AU686069B2 (en) 1998-01-29
AU4813096A (en) 1996-05-30
ES2141825T3 (es) 2000-04-01
CN1232793C (zh) 2005-12-21
EP0671595B1 (en) 2000-01-05
AU6512994A (en) 1995-04-18
WO1995009336A1 (en) 1995-04-06
CN1109694A (zh) 1995-10-04
EP0671595A1 (en) 1995-09-13
CN1099573C (zh) 2003-01-22
CN1368630A (zh) 2002-09-11
DE69422492T2 (de) 2000-06-21
AU668821B2 (en) 1996-05-16
AU679653B2 (en) 1997-07-03
TW263554B (cg-RX-API-DMAC10.html) 1995-11-21
US5590150A (en) 1996-12-31
US5680413A (en) 1997-10-21
AU1914397A (en) 1997-06-26
EP0884545A1 (en) 1998-12-16
CA2135780A1 (en) 1995-03-31
EP0671595A4 (en) 1996-02-28
ES2176899T3 (es) 2002-12-01
DE69430961D1 (de) 2002-08-14
JPH07145420A (ja) 1995-06-06
EP0884545B1 (en) 2002-07-10

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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