DE69014057D1 - Verfahren zur Schmelzreduktion von Metallen und Schmelzreduktionsofen. - Google Patents

Verfahren zur Schmelzreduktion von Metallen und Schmelzreduktionsofen.

Info

Publication number
DE69014057D1
DE69014057D1 DE69014057T DE69014057T DE69014057D1 DE 69014057 D1 DE69014057 D1 DE 69014057D1 DE 69014057 T DE69014057 T DE 69014057T DE 69014057 T DE69014057 T DE 69014057T DE 69014057 D1 DE69014057 D1 DE 69014057D1
Authority
DE
Germany
Prior art keywords
smelting reduction
metal
furnace
reduction process
reduction furnace
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 - Fee Related
Application number
DE69014057T
Other languages
English (en)
Other versions
DE69014057T2 (de
Inventor
Tatsuharu Ibaraki
Michitaka Kanemoto
Masao Yamauchi
Chikara Saito
Hiromitsu Moridera
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.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
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
Priority claimed from JP1220419A external-priority patent/JP2765734B2/ja
Priority claimed from JP1333262A external-priority patent/JP2768775B2/ja
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of DE69014057D1 publication Critical patent/DE69014057D1/de
Application granted granted Critical
Publication of DE69014057T2 publication Critical patent/DE69014057T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
    • C21B13/0026—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide in the flame of a burner or a hot gas stream
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
    • C21B2100/22—Increasing the gas reduction potential of recycled exhaust gases by reforming
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
    • C21B2100/66—Heat exchange
    • 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)
  • Manufacture Of Iron (AREA)
DE69014057T 1989-08-29 1990-08-28 Verfahren zur Schmelzreduktion von Metallen und Schmelzreduktionsofen. Expired - Fee Related DE69014057T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP1220419A JP2765734B2 (ja) 1989-08-29 1989-08-29 鉄浴反応器の操業方法
JP22755389 1989-09-04
JP1333262A JP2768775B2 (ja) 1989-09-04 1989-12-22 金属の溶融還元法及び溶融還元炉

Publications (2)

Publication Number Publication Date
DE69014057D1 true DE69014057D1 (de) 1994-12-15
DE69014057T2 DE69014057T2 (de) 1995-06-29

Family

ID=27330443

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69014057T Expired - Fee Related DE69014057T2 (de) 1989-08-29 1990-08-28 Verfahren zur Schmelzreduktion von Metallen und Schmelzreduktionsofen.

Country Status (5)

Country Link
US (1) US5135572A (de)
EP (1) EP0419868B1 (de)
AU (1) AU632161B2 (de)
CA (1) CA2024184A1 (de)
DE (1) DE69014057T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU656228B2 (en) * 1991-09-20 1995-01-27 Ausmelt Limited Process for production of iron
AUPN226095A0 (en) * 1995-04-07 1995-05-04 Technological Resources Pty Limited A method of producing metals and metal alloys
DE19535014C2 (de) * 1995-09-21 1999-03-04 Stein Ind Anlagen Inh Christel Verfahren zum Einbringen von körnigen Feststoffen in Metallschmelzen
US5785737A (en) * 1997-04-08 1998-07-28 Bethlehem Steel Corporation Method for recycling iron bearing sludges in a steelmaking operation
US6383250B1 (en) 2000-04-28 2002-05-07 Bethlehem Steel Corporation Steel making revert and process for preparing
US6500224B1 (en) 2001-10-11 2002-12-31 Bethlehem Steel Corporation Method for operating a steelmaking furnace during a steelmaking process
BRPI0912397A8 (pt) * 2008-05-16 2016-10-04 Jfe Steel Corp método para reformar gás de escapamento gerado em forno metalúrgico, método para resfriar gás de exaustão e equipamento para o mesmo
CN112322820B (zh) * 2013-12-20 2022-05-13 塔塔钢铁有限公司 熔炼方法和装置
CN106222349B (zh) * 2016-09-28 2018-10-19 中国科学院过程工程研究所 一种利用熔池熔炼炉处理含铁原料的方法及装置
US10549232B1 (en) * 2019-01-31 2020-02-04 The Florida International University Board Of Trustees Methods for carbon dioxide capture

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU8474782A (en) * 1981-06-19 1982-12-23 British Steel Corp. Refining of steel from pig iron
ZA827820B (en) * 1981-10-30 1983-08-31 British Steel Corp Production of steel
JPS59153819A (ja) * 1983-02-17 1984-09-01 Nippon Steel Corp 溶解・還元炉における炭素質固体の燃焼方法
DE3418085A1 (de) * 1984-05-16 1985-11-28 Klöckner CRA Technologie GmbH, 4100 Duisburg Verfahren zur eisenherstellung
JPS61199009A (ja) * 1985-02-28 1986-09-03 Nippon Tekko Renmei 溶融還元製鉄法
JPS6224486A (ja) * 1985-07-23 1987-02-02 Sanyo Electric Co Ltd ヘツド位置決め方式
JPS62283190A (ja) * 1985-07-27 1987-12-09 住友金属工業株式会社 固体炭素質物質のガス化方法および装置
JPS62280311A (ja) * 1986-05-29 1987-12-05 Nippon Kokan Kk <Nkk> 溶融還元法
US4936908A (en) * 1987-09-25 1990-06-26 Nkk Corporation Method for smelting and reducing iron ores
JPH01247516A (ja) * 1988-03-30 1989-10-03 Nippon Steel Corp 溶融還元における原料供給方法

Also Published As

Publication number Publication date
EP0419868B1 (de) 1994-11-09
AU632161B2 (en) 1992-12-17
CA2024184A1 (en) 1991-03-01
US5135572A (en) 1992-08-04
DE69014057T2 (de) 1995-06-29
EP0419868A1 (de) 1991-04-03
AU6190490A (en) 1991-03-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee