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)

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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
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JP4116874B2 (ja) * 2002-12-05 2008-07-09 株式会社神戸製鋼所 溶鉄の製法
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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
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BR112018010072B1 (pt) * 2015-11-18 2021-12-21 Mintek Método para preparar um minério de ilmenita pré-reduzido para fundição
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
WO2020116643A1 (ja) * 2018-12-07 2020-06-11 日本製鉄株式会社 加炭材およびそれを用いた加炭方法
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
DE102020205493A1 (de) 2020-04-30 2021-11-04 Sms Group Gmbh Verfahren zum Herstellen von flüssigem Roheisen aus einem DRI-Produkt
TWI844330B (zh) * 2022-04-22 2024-06-01 日商Ｊｆｅ鋼鐵股份有限公司 直接還原鐵的熔解方法、固體鐵及固體鐵的製造方法、以及土木建築用資材及土木建築用資材的製造方法
AU2023257052B2 (en) * 2022-04-22 2025-12-11 Jfe Steel Corporation Method for melting direct reduced iron, solid iron and method for producing the same, material for civil engineering and construction and method for producing the same, and system for melting direct reduced iron
MA71587A (fr) * 2022-07-29 2025-05-30 Arcelormittal Procédé de fabrication de fonte brute dans une chaîne de production comprenant un four de fusion électrique
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
AU2022471175A1 (en) * 2022-07-29 2024-11-28 Arcelormittal A method for manufacturing molten pig iron into an electrical smelting furnace
EP4562195A1 (de) * 2022-07-29 2025-06-04 ArcelorMittal Verfahren zur herstellung von roheisen in einem elektrischen schmelzofen und zugehöriger schmelzofen
AU2022471042A1 (en) * 2022-07-29 2024-11-28 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
EP4562196A1 (de) * 2022-07-29 2025-06-04 ArcelorMittal Verfahren zur herstellung von roheisen in einem elektrischen schmelzofen und zugehöriger elektrischer schmelzofen
JP2025524845A (ja) * 2022-07-29 2025-08-01 アルセロールミタル 電気製錬炉で銑鉄を製造するための方法及び関連する電気製錬炉
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
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
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WO2024254668A1 (pt) * 2023-06-16 2024-12-19 Gavea Tech Ltda Equipamento e processo para produção de ligas metálicas e método de tratamento de gases

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Also Published As

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

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