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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological 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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* Cited by examiner, † Cited by third party
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RU2228365C2 (ru) * 2000-03-30 2004-05-10 Мидрекс Интернэшнл Б.В. Цюрих Бранч Способ получения гранулированного металлического железа, способ получения жидкой стали, способ получения металлического железа, устройство для загрузки вспомогательного исходного материала и устройство для загрузки исходного материала
US6451084B1 (en) * 2000-04-06 2002-09-17 Ernest Q. Petrey, Jr. Iron oxide waste agglomerates and method of assisting a steel-making operation
US6669756B2 (en) 2000-07-31 2003-12-30 Kabushiki Kaisha Kobe Seiko Sho Discharge apparatus for movable hearth type heat-treatment furnace, its operation method, and method and apparatus for manufacturing molten iron using the same
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
MY144561A (en) * 2005-08-30 2011-10-14 Du Pont Ore reduction process and titanium oxide and iron metallization product
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
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WO2009052066A1 (en) 2007-10-15 2009-04-23 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
US9404165B2 (en) * 2012-08-22 2016-08-02 Hoffman & Sons Technologies, Llc Producing of pig iron from iron-containing materials
BR112015028930A2 (pt) * 2013-06-03 2017-07-25 Midrex Technologies Inc método para produzir um produto cromo em fusão com alto teor de carbono e alta pureza
CA3005810C (en) * 2015-11-18 2022-06-21 Mintek Improved ilmenite smelting process
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
WO2023204063A1 (ja) * 2022-04-22 2023-10-26 Ｊｆｅスチール株式会社 直接還元鉄の溶解方法、固体鉄および固体鉄の製造方法、土木建築用資材および土木建築用資材の製造方法ならびに直接還元鉄の溶解システム
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
MA71584A (fr) * 2022-07-29 2025-05-30 Arcelormittal Procédé de fabrication de fonte brute dans un four de fusion électrique et four de fusion électrique associé
EP4562195A1 (de) * 2022-07-29 2025-06-04 ArcelorMittal Verfahren zur herstellung von roheisen in einem elektrischen schmelzofen und zugehöriger schmelzofen
EP4562191A1 (de) * 2022-07-29 2025-06-04 ArcelorMittal Verfahren zur herstellung von roheisen in einem elektrischen schmelzofen und zugehöriger ofen
JP2025524820A (ja) * 2022-07-29 2025-08-01 アルセロールミタル 電気製錬炉を備える製造ラインにおいて銑鉄を製造するための方法
KR20250024819A (ko) * 2022-07-29 2025-02-19 아르셀러미탈 전기 제련로에서 선철을 제조하는 방법 및 연관된 전기 제련로
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
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
AU2022471176B2 (en) * 2022-07-29 2026-04-16 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
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
EP4417713A1 (de) 2023-02-14 2024-08-21 Oterdoom, Harmen Das neuartige zweistufige (halb-)kontinuierliche verfahren für saubere schlacke und stahl oder heisseisen
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
EP1144696A1 (de) 2001-10-17
WO2000026420A1 (en) 2000-05-11
CN100343396C (zh) 2007-10-17
AR021028A1 (es) 2002-06-12
CA2346977C (en) 2006-09-19
US6251156B1 (en) 2001-06-26
AU1810400A (en) 2000-05-22
DE69932357D1 (de) 2006-08-24
JP2002528645A (ja) 2002-09-03
CA2346977A1 (en) 2000-05-11
EP1144696A4 (de) 2003-01-08
ES2272090T3 (es) 2007-04-16
JP4060034B2 (ja) 2008-03-12
AU761344B2 (en) 2003-06-05
DE69932357T2 (de) 2006-11-16
TW518366B (en) 2003-01-21
EP1144696B1 (de) 2006-07-12
CN1330723A (zh) 2002-01-09

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