ATE332982T1 - Verfahren zur herstellung von eisenschmelze im duplexofen - Google Patents

Verfahren zur herstellung von eisenschmelze im duplexofen

Info

Publication number
ATE332982T1
ATE332982T1 AT99961551T AT99961551T ATE332982T1 AT E332982 T1 ATE332982 T1 AT E332982T1 AT 99961551 T AT99961551 T AT 99961551T AT 99961551 T AT99961551 T AT 99961551T AT E332982 T1 ATE332982 T1 AT E332982T1
Authority
AT
Austria
Prior art keywords
melted iron
producing melted
duplex furnace
duplex
furnace
Prior art date
Application number
AT99961551T
Other languages
English (en)
Inventor
Glenn E Hoffman
Ronald D Gray
Original Assignee
Midrex Technologies 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
Application filed by Midrex Technologies Inc filed Critical Midrex Technologies Inc
Application granted granted Critical
Publication of ATE332982T1 publication Critical patent/ATE332982T1/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/10—Making spongy iron or liquid steel, by direct processes in hearth-type furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/10—Making spongy iron or liquid steel, by direct processes in hearth-type furnaces
    • C21B13/105—Rotary hearth-type 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
    • C21C5/5252—Manufacture of steel in electric furnaces in an electrically heated multi-chamber furnace, a combination of electric furnaces or an electric furnace arranged for associated working with a non electric furnace
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C22B1/24—Binding; Briquetting ; Granulating
    • 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
    • C21C1/00—Refining of pig-iron; Cast iron
    • C21C1/02—Dephosphorising or desulfurising
    • 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
    • C21C1/00—Refining of pig-iron; Cast iron
    • C21C1/02—Dephosphorising or desulfurising
    • C21C1/025—Agents used for dephosphorising or desulfurising
    • 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
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Iron (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Silicon Compounds (AREA)
AT99961551T 1998-10-30 1999-10-29 Verfahren zur herstellung von eisenschmelze im duplexofen ATE332982T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10643398P 1998-10-30 1998-10-30

Publications (1)

Publication Number Publication Date
ATE332982T1 true ATE332982T1 (de) 2006-08-15

Family

ID=22311397

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99961551T ATE332982T1 (de) 1998-10-30 1999-10-29 Verfahren zur herstellung von eisenschmelze im duplexofen

Country Status (12)

Country Link
US (1) US6251156B1 (de)
EP (1) EP1144696B1 (de)
JP (1) JP4060034B2 (de)
CN (1) CN100343396C (de)
AR (1) AR021028A1 (de)
AT (1) ATE332982T1 (de)
AU (1) AU761344B2 (de)
CA (1) CA2346977C (de)
DE (1) DE69932357T2 (de)
ES (1) ES2272090T3 (de)
TW (1) TW518366B (de)
WO (1) WO2000026420A1 (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6582491B2 (en) * 1998-10-30 2003-06-24 Midrex International, B.V. Rotterdam, Zurich Branch Method for producing molten iron in duplex furnaces
BR0105934B8 (pt) * 2000-03-30 2013-09-17 mÉtodo para produzir ferro metÁlico granular.
US6451084B1 (en) * 2000-04-06 2002-09-17 Ernest Q. Petrey, Jr. Iron oxide waste agglomerates and method of assisting a steel-making operation
EP1178276A3 (de) * 2000-07-31 2002-02-20 Kabushiki Kaisha Kobe Seiko Sho Entladevorrichtung für einen beweglichen herdtyp-wärme-behandlungsofen, das Betriebsverfahren, Vorrichtung und Herstellungsverfahren für Eisenerschmelzung
US6409790B1 (en) * 2001-03-16 2002-06-25 Calderon Energy Company Of Bowling Green, Inc. Method and apparatus for practicing carbonaceous-based metallurgy
JP4691827B2 (ja) * 2001-05-15 2011-06-01 株式会社神戸製鋼所 粒状金属鉄
JP4669189B2 (ja) * 2001-06-18 2011-04-13 株式会社神戸製鋼所 粒状金属鉄の製法
US6689182B2 (en) * 2001-10-01 2004-02-10 Kobe Steel, Ltd. Method and device for producing molten iron
JP4116874B2 (ja) * 2002-12-05 2008-07-09 株式会社神戸製鋼所 溶鉄の製法
US7413592B2 (en) * 2004-03-31 2008-08-19 Nu-Iron Technology, Llc Linear hearth furnace system and methods regarding same
UA92751C2 (uk) * 2005-08-30 2010-12-10 Е. І. Дю Пон Де Немур Енд Компані Спосіб видалення оксиду титану та заліза з руди
US7746794B2 (en) 2006-02-22 2010-06-29 Federal Signal Corporation Integrated municipal management console
US9002313B2 (en) 2006-02-22 2015-04-07 Federal Signal Corporation Fully integrated light bar
GB0605796D0 (en) * 2006-03-23 2006-05-03 Renishaw Plc Apparatus and method of measuring workpieces
US8372179B2 (en) 2007-10-15 2013-02-12 E I Du Pont De Nemours And Company Ore reduction process using carbon based materials having a low sulfur content and titanium oxide and iron metallization product therefrom
JP5503472B2 (ja) * 2010-09-07 2014-05-28 株式会社神戸製鋼所 還元鉄の製造方法
CN102051428B (zh) * 2011-01-20 2012-02-08 西安建筑科技大学 一种综合处理铜选矿尾渣和镍熔融渣的提铁炼钢工艺
CA2853223C (en) * 2012-08-22 2018-03-06 Hoffman & Sons Technologies, Llc Producing pig iron from iron-containing feed materials
WO2014197315A1 (en) * 2013-06-03 2014-12-11 Midrex Technologies, Inc. Methods and systems for producing ferro-chrome in a duplex furnace
RU2720788C2 (ru) * 2015-11-18 2020-05-13 Минтек Усовершенствованный способ плавки ильменита
DE102017212583A1 (de) * 2017-07-21 2019-01-24 Technische Universität Bergakademie Freiberg Pellet als Zuschlagstoff für metallurgische Prozesse und Verfahren zu dessen Herstellung und Verwendung
CN108004366A (zh) * 2017-11-29 2018-05-08 朝阳金河粉末冶金材料有限公司 一种采用钒钛磁铁矿还原磁选制备铁粉生产耐磨介质的方法
KR102020453B1 (ko) * 2017-12-26 2019-09-10 주식회사 포스코 제강부산물로부터 유가금속 회수방법
JP7293634B2 (ja) * 2018-12-18 2023-06-20 住友金属鉱山株式会社 酸化鉱石の製錬方法
TWI711702B (zh) * 2019-09-03 2020-12-01 中國鋼鐵股份有限公司 鐵碳複合材料及鐵氧化物的還原方法
WO2024023565A1 (en) * 2022-07-29 2024-02-01 Arcelormittal A method for manufacturing pig iron in an electrical smelting furnace and associated electrical smelting furnace
WO2024023559A1 (en) * 2022-07-29 2024-02-01 Arcelormittal A method for manufacturing molten pig iron into an electrical smelting furnace
WO2024023560A1 (en) * 2022-07-29 2024-02-01 Arcelormittal A method for manufacturing pig iron in an electrical smelting furnace and associated electrical smelting furnace
WO2024023558A1 (en) * 2022-07-29 2024-02-01 Arcelormittal A method for manufacturing pig iron in an electrical smelting furnace and associated furnace
WO2024023562A1 (en) * 2022-07-29 2024-02-01 Arcelormittal A method for manufacturing pig iron in an electrical smelting furnace and associated smelting furnace
WO2024023571A1 (en) * 2022-07-29 2024-02-01 Arcelormittal A method for manufacturing pig iron in an electrical smelting furnace and associated electrical smelting furnace
WO2024023564A1 (en) * 2022-07-29 2024-02-01 Arcelormittal A method for manufacturing pig iron in an electrical smelting furnace and associated electrical smelting furnace
WO2024023570A1 (en) * 2022-07-29 2024-02-01 Arcelormittal A method for manufacturing pig iron in an electrical smelting furnace and associated electrical smelting furnace
WO2024023563A1 (en) * 2022-07-29 2024-02-01 Arcelormittal Method for manufacturing pig iron in a production line comprising an electrical smelting furnace
CN115491453B (zh) * 2022-08-23 2023-12-19 攀钢集团西昌钢钒有限公司 一种PLCsmelt熔融还原炼铁方法及装置

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1324458A (en) * 1919-12-09 Method of preventing oxidation of molten metal
US4395285A (en) 1980-03-26 1983-07-26 Elkem Metals Company Low density compacts of prepared mix for use in the production of silicon and ferrosilicon
US4436551A (en) * 1981-10-26 1984-03-13 Sumitomo Heavy Industries, Ltd. Process for making steel from direct-reduced iron
CN86101529A (zh) * 1983-09-14 1988-02-17 新西兰钢铁公司 铁水的生产
US4514218A (en) * 1984-06-06 1985-04-30 Daidotokushuko Kabushikikaisha Reduced iron melting method using electric arc furnace
US4564388A (en) * 1984-08-02 1986-01-14 Intersteel Technology, Inc. Method for continuous steelmaking
US4731112A (en) 1986-02-19 1988-03-15 Midrex International, B.V. Rotterdam, Zurich Branch Method of producing ferro-alloys
US4699654A (en) * 1986-04-08 1987-10-13 Union Carbide Corporation Melting furnace and method for melting metal
US4701214A (en) 1986-04-30 1987-10-20 Midrex International B.V. Rotterdam Method of producing iron using rotary hearth and apparatus
IN167132B (de) * 1986-12-15 1990-09-01 Nippon Kokan Kk
JPH089739B2 (ja) * 1989-08-23 1996-01-31 日本鋼管株式会社 焼成塊成鉱の製造方法
US5296015A (en) * 1990-01-09 1994-03-22 Hylsa S.A. De C.V. Method for the pneumatic transport of large iron-bearing particles
US5186741A (en) * 1991-04-12 1993-02-16 Zia Patent Company Direct reduction process in a rotary hearth furnace
FR2705768B1 (fr) * 1993-05-27 1995-07-21 Lorraine Laminage Four métallurgique pour la fusion de matières métalliques et/ou l'élaboration de métal liquide, tel qu'un four électrique d'aciérie, et procédé d'élaboration utilisant un tel four.
US5730775A (en) * 1994-12-16 1998-03-24 Midrex International B.V. Rotterdam, Zurich Branch Method for rapid reduction of iron oxide in a rotary hearth furnace
CN1187246A (zh) * 1995-06-09 1998-07-08 美国3M公司 具有不规则基体三角的反光立体角制品
US5601631A (en) * 1995-08-25 1997-02-11 Maumee Research & Engineering Inc. Process for treating metal oxide fines
CN1123330A (zh) * 1995-09-19 1996-05-29 冶金工业部重庆钢铁设计研究院 一种复合炉装置
US5681367A (en) * 1996-06-20 1997-10-28 Usx Engineers & Consultants, Inc. Method of producing hot metal

Also Published As

Publication number Publication date
JP4060034B2 (ja) 2008-03-12
EP1144696A1 (de) 2001-10-17
CA2346977C (en) 2006-09-19
AU761344B2 (en) 2003-06-05
EP1144696B1 (de) 2006-07-12
JP2002528645A (ja) 2002-09-03
CN100343396C (zh) 2007-10-17
US6251156B1 (en) 2001-06-26
WO2000026420A1 (en) 2000-05-11
DE69932357D1 (de) 2006-08-24
TW518366B (en) 2003-01-21
DE69932357T2 (de) 2006-11-16
CN1330723A (zh) 2002-01-09
EP1144696A4 (de) 2003-01-08
CA2346977A1 (en) 2000-05-11
ES2272090T3 (es) 2007-04-16
AU1810400A (en) 2000-05-22
AR021028A1 (es) 2002-06-12

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