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ES2176899T3 - Horno de fusion de arco electrico. - Google Patents

Horno de fusion de arco electrico.

Info

Publication number
ES2176899T3
ES2176899T3 ES98202286T ES98202286T ES2176899T3 ES 2176899 T3 ES2176899 T3 ES 2176899T3 ES 98202286 T ES98202286 T ES 98202286T ES 98202286 T ES98202286 T ES 98202286T ES 2176899 T3 ES2176899 T3 ES 2176899T3
Authority
ES
Spain
Prior art keywords
oven
air
oxygen
measure
indicator
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
ES98202286T
Other languages
English (en)
Inventor
Masaki Ogushi
Toru Iura
Osamu Takeuchi
Hironobu Yoshida
Ikuo Yamamura
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 ES2176899T3 publication Critical patent/ES2176899T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • C21C5/5229—Manufacture of steel in electric furnaces in a direct current [DC] electric arc furnace
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/12—Making spongy iron or liquid steel, by direct processes in electric furnaces
    • 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
    • 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
    • C21C5/527—Charging of the electric furnace
    • 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
    • C21C5/56—Manufacture of steel by other methods
    • C21C5/562—Manufacture of steel by other methods starting from scrap
    • C21C5/565—Preheating of scrap
    • 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
    • F27B3/18—Arrangements of devices for charging
    • F27B3/183—Charging of arc furnaces vertically through the roof, e.g. in three points
    • F27B3/186—Charging in a vertical chamber adjacent to the melting chamber
    • 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
    • F27B3/20—Arrangements of heating devices
    • 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
    • F27B3/20—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; 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
    • 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
    • F27B3/28—Arrangement of controlling, monitoring, alarm or the like devices
    • 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
    • F27D13/00—Apparatus for preheating charges; Arrangements for preheating charges
    • F27D13/002—Preheating scrap
    • 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
    • F27D19/00—Arrangements of controlling devices
    • 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
    • F27D19/00—Arrangements of controlling devices
    • F27D2019/0006—Monitoring the characteristics (composition, quantities, temperature, pressure) of at least one of the gases of the kiln atmosphere and using it as a controlling value
    • F27D2019/0018—Monitoring the temperature of the atmosphere of the kiln
    • F27D2019/0021—Monitoring the temperature of the exhaust gases
    • 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
    • F27D19/00—Arrangements of controlling devices
    • F27D2019/0028—Regulation
    • F27D2019/0068—Regulation involving a measured inflow of a particular gas in the enclosure
    • 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)
  • 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)

Abstract

LA INVENCION SE REFIERE A UN HORNO ELECTRICO DE ARCO QUE COMPRENDE UN CUERPO (1) CON UN ELECTRODO (3) PARA FUNDIR CHATARRA POR MEDIO DEL CALOR DE UN ARCO VOLTAICO, UNA ABERTURA DE INYECCION DE AIRE (20) PARA INYECTAR AIRE, OXIGENO O AIRE ENRIQUECIDO CON OXIGENO EN EL CUERPO DEL HORNO (1) A TRAVES DE UNA VALVULA REGULADORA DE AIRE (19), UN INDICADOR DE CARBONO (CI) PARA MEDIR LA CANTIDAD DE CARBONO CARGADO EN EL HORNO (1), UN INDICADOR DE CHATARRA (SI) PARA MEDIR LA CANTIDAD DE CHATARRA CARGADA EN EL HORNO (1), UN INDICADOR DE OXIGENO (OI) PARA MEDIR LA CANTIDAD DE OXIGENO INYECTADO EN EL HORNO (1) Y UN PROCESADOR ARITMETICO (7) PARA CALCULAR LA CANTIDAD DE AIRE NECESARIA PARA LA TOTAL COMBUSTION DEL MONOXIDO DE CARBONO (23) EN EL HORNO (1) EN RESPUESTA AL VALOR MEDIDO POR LOS INDICADORES (CI)(SI)(OI) PARA CONTROLAR EL GRADO DE APERTURA DE LA VALVULA REGULADORA DE AIRE (19). SE INYECTA AIRE EN CANTIDAD PROPORCIONAL AL MONOXIDO DE CARBONO (23) A TRAVES DE LA ABERTURA DE INYECCION DE AIRE (20), LO CUAL PERMITE CONTROLAR LA TEMPERATURA DE COMBUSTION EN EL HORNO (1) Y CONTROLAR LA TEMPERATURA EN EL EQUIPO PRECALENTADOR DE CHATARRA.
ES98202286T 1993-09-30 1994-04-14 Horno de fusion de arco electrico. Expired - Lifetime ES2176899T3 (es)

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 (1)

Publication Number Publication Date
ES2176899T3 true ES2176899T3 (es) 2002-12-01

Family

ID=26536928

Family Applications (2)

Application Number Title Priority Date Filing Date
ES94912676T Expired - Lifetime ES2141825T3 (es) 1993-09-30 1994-04-14 Horno de fusion de arco electrico con inyeccion de oxigeno controlada.
ES98202286T Expired - Lifetime ES2176899T3 (es) 1993-09-30 1994-04-14 Horno de fusion de arco electrico.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES94912676T Expired - Lifetime ES2141825T3 (es) 1993-09-30 1994-04-14 Horno de fusion de arco electrico con inyeccion de oxigeno controlada.

Country Status (11)

Country Link
US (2) US5590150A (es)
EP (2) EP0884545B1 (es)
JP (1) JPH07145420A (es)
KR (1) KR0163970B1 (es)
CN (2) CN1099573C (es)
AU (3) AU668821B2 (es)
CA (1) CA2135780C (es)
DE (2) DE69422492T2 (es)
ES (2) ES2141825T3 (es)
TW (1) TW263554B (es)
WO (1) WO1995009336A1 (es)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1280115B1 (it) * 1995-01-17 1998-01-05 Danieli Off Mecc Procedimento di fusione per forno elettrico ad arco con sorgenti alternative di energia e relativo forno elettrico ad arco
FR2735563B1 (fr) * 1995-06-19 1997-07-25 Air Liquide Procede de fusion d'une charge dans un four
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
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
CN101600903B (zh) * 2006-08-25 2011-08-17 琳德股份有限公司 通过玻璃熔炉的顶部或炉顶的氧气注入
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
JP2012516938A (ja) * 2009-02-03 2012-07-26 シーメンス アクチエンゲゼルシヤフト 電気アーク炉の一酸化炭素排出量を制御するための方法および装置
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
US20120152057A1 (en) * 2009-08-27 2012-06-21 Jp Steel Plantech Co. Electric arc melting facility and method for producing molten metal by using the electric 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
DE102011015211B4 (de) * 2011-03-25 2014-01-30 Kautz Vorrichtungsbau Gmbh Verfahren zum Betrieb eines Elektrolichtbogenofensystems und Elektrolichtbogenofensystem
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

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3303257A (en) * 1963-02-08 1967-02-07 Tanabe Kakoki Co Apparatus for utilizing waste heat of gas generated from an electric smelting furnace
DE1804098A1 (de) * 1967-10-23 1969-07-03 Krupp Gmbh Verfahren und Vorrichtung zur Vorwaermung von Schrott fuer Lichtbogenoefen
DE1936649A1 (de) * 1968-08-22 1970-02-26 Krupp Gmbh Verfahren und Vorrichtung zur Optimierung der Sauerstoffzufuhr in Elektrolichtbogenoefen
DE2437245C3 (de) * 1974-08-02 1979-01-18 Demag Ag, 4100 Duisburg Vorrichtung zur kontrollierbaren Rauchgasverbrennung für einen geschlossenen Lichtbogen-Reduktionsofen zur Erzeugung von Metallen und Metall-Legierungen '
JPS5848834B2 (ja) * 1976-06-21 1983-10-31 大同特殊鋼株式会社 還元鉄溶解用ア−ク炉
JPS5932525B2 (ja) * 1977-02-08 1984-08-09 石川島播磨重工業株式会社 電気炉製鋼法
US4255184A (en) * 1978-07-18 1981-03-10 Japan Metals & Chemicals Co., Ltd. Method and apparatus for refining ferrosilicon
JPS5647505A (en) * 1979-09-22 1981-04-30 Nippon Tungsten Co Ltd Mechanical sieal ring and preparation thereof
US4242532A (en) * 1979-12-21 1980-12-30 Ford Motor Company Method of controlling exhaust gas emissions from an electric arc furnace
IT1136786B (it) * 1980-06-06 1986-09-03 Nippon Kokan Kk Metodo per il preriscaldamento di rottame di acciaio mediante i gas di scarico derivati da un forno elettrico per la produzione di acciaio
JPS59104419A (ja) * 1982-12-03 1984-06-16 Daido Steel Co Ltd ア−ク炉製鋼法
JPS6166080A (ja) * 1984-09-10 1986-04-04 大同特殊鋼株式会社 ア−ク炉
US4646315A (en) * 1984-10-04 1987-02-24 Pennsylvania Engineering Corporation Arc furnace burner control method and apparatus
DE3629055A1 (de) * 1986-08-27 1988-03-03 Kloeckner Cra Tech Verfahren zum gesteigerten energieeinbringen in elektrolichtbogenoefen
JPS6393815A (ja) * 1986-10-08 1988-04-25 Daido Steel Co Ltd 溶解炉操業における助燃方法
DE3723783A1 (de) * 1987-07-16 1989-01-26 Mannesmann Ag Anlage zur verwertung der abgase eines elektro-schmelzofens fuer stahl
JPH0224290A (ja) * 1988-07-13 1990-01-26 Nkk Corp 低抵杭水中翼
ATE89324T1 (de) * 1989-03-02 1993-05-15 Fuchs Technology Ag Einschmelzaggregat mit schachtfoermigem chargiergutvorwaermer.
FI85912C (sv) * 1990-04-11 1992-06-10 Partek Ab Förfarande och anordning för styrning av råmaterialtillförseln till en elektrisk smältugn
FR2663723B1 (fr) * 1990-06-20 1995-07-28 Air Liquide Procede et installation de fusion d'une charge en four.
DE4209765C2 (de) * 1992-03-23 1994-11-03 Mannesmann Ag Verfahren und Vorrichtung zur Behandlung der Abgase eines Lichtbogenofens

Also Published As

Publication number Publication date
KR0163970B1 (ko) 1999-01-15
TW263554B (es) 1995-11-21
CN1232793C (zh) 2005-12-21
US5590150A (en) 1996-12-31
AU679653B2 (en) 1997-07-03
EP0884545A1 (en) 1998-12-16
ES2141825T3 (es) 2000-04-01
CA2135780C (en) 1998-12-22
DE69422492D1 (de) 2000-02-10
EP0671595A1 (en) 1995-09-13
CN1368630A (zh) 2002-09-11
CA2135780A1 (en) 1995-03-31
US5680413A (en) 1997-10-21
DE69422492T2 (de) 2000-06-21
EP0671595B1 (en) 2000-01-05
AU4813096A (en) 1996-05-30
EP0671595A4 (en) 1996-02-28
CN1109694A (zh) 1995-10-04
JPH07145420A (ja) 1995-06-06
AU1914397A (en) 1997-06-26
AU686069B2 (en) 1998-01-29
CN1099573C (zh) 2003-01-22
DE69430961T2 (de) 2003-03-27
AU6512994A (en) 1995-04-18
EP0884545B1 (en) 2002-07-10
DE69430961D1 (de) 2002-08-14
AU668821B2 (en) 1996-05-16
WO1995009336A1 (en) 1995-04-06

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