DE3679006D1 - Verfahren zur fluessigen eisenherstellung aus eisenoxyd. - Google Patents

Verfahren zur fluessigen eisenherstellung aus eisenoxyd.

Info

Publication number
DE3679006D1
DE3679006D1 DE8686109881T DE3679006T DE3679006D1 DE 3679006 D1 DE3679006 D1 DE 3679006D1 DE 8686109881 T DE8686109881 T DE 8686109881T DE 3679006 T DE3679006 T DE 3679006T DE 3679006 D1 DE3679006 D1 DE 3679006D1
Authority
DE
Germany
Prior art keywords
iron
producing liquid
iron oxide
oxide
liquid iron
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
DE8686109881T
Other languages
English (en)
Inventor
Mamoru Aoki
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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel 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
Priority claimed from JP60159254A external-priority patent/JPH0689384B2/ja
Priority claimed from JP60159255A external-priority patent/JPS6220807A/ja
Priority claimed from JP60159256A external-priority patent/JPH0689385B2/ja
Application filed by Kobe Steel Ltd filed Critical Kobe Steel Ltd
Application granted granted Critical
Publication of DE3679006D1 publication Critical patent/DE3679006D1/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
    • C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft 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
    • C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
    • C21B13/143—Injection of partially reduced ore into a molten bath
    • 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
    • C21B2100/26—Increasing the gas reduction potential of recycled exhaust gases by adding additional fuel in recirculation pipes
    • 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
    • C21B2100/28—Increasing the gas reduction potential of recycled exhaust gases by separation
    • C21B2100/282—Increasing the gas reduction potential of recycled exhaust gases by separation of carbon dioxide
    • 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
    • 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
    • Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]
    • 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)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Iron (AREA)
DE8686109881T 1985-07-18 1986-07-18 Verfahren zur fluessigen eisenherstellung aus eisenoxyd. Expired - Fee Related DE3679006D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP60159254A JPH0689384B2 (ja) 1985-07-18 1985-07-18 ２段吹込法による鉄鉱石の溶融還元製鉄法
JP60159255A JPS6220807A (ja) 1985-07-18 1985-07-18 鉄鉱石の溶融還元製鉄法
JP60159256A JPH0689385B2 (ja) 1985-07-18 1985-07-18 ２段吹込みによる鉄鉱石の溶融還元製鉄方法

Publications (1)

Publication Number Publication Date
DE3679006D1 true DE3679006D1 (de) 1991-06-06

Family

ID=27321507

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686109881T Expired - Fee Related DE3679006D1 (de) 1985-07-18 1986-07-18 Verfahren zur fluessigen eisenherstellung aus eisenoxyd.

Country Status (6)

Country Link
EP (1) EP0209861B1 (de)
CN (1) CN1009561B (de)
AU (1) AU582453B2 (de)
CA (1) CA1284274C (de)
DE (1) DE3679006D1 (de)
SU (1) SU1609456A3 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH079015B2 (ja) * 1985-07-19 1995-02-01 株式会社神戸製鋼所 鉄鉱石の溶融還元方法
SE458688B (sv) * 1985-07-23 1989-04-24 Ips Interproject Service Ab Foerfarande och anlaeggning foer framstaellning av raajaern ur jaernbaerande oxidiskt material
US4995906A (en) * 1987-12-18 1991-02-26 Nkk Corporation Method for smelting reduction of iron ore
US5542963A (en) * 1994-09-21 1996-08-06 Sherwood; William L. Direct iron and steelmaking
AT406382B (de) * 1996-11-06 2000-04-25 Voest Alpine Ind Anlagen Verfahren zum herstellen von eisenschwamm durch direktreduktion von eisenoxidhältigem material
EP1160338A1 (de) * 2000-05-31 2001-12-05 DANIELI & C. OFFICINE MECCANICHE S.p.A. Verfahren zur Vorwärmung und Reduzierung von direkt-reduziertem Eisen (DRI) vor dessen Beschickung in einen Elektroofen
CN102051426B (zh) * 2009-11-02 2012-08-22 贾会平 一种还原炼铁的方法和装置
CN115427588A (zh) * 2020-04-27 2022-12-02 杰富意钢铁株式会社 炼钢设备和还原铁的制造方法
PL436679A1 (pl) * 2021-01-18 2022-07-25 Sieć Badawcza Łukasiewicz - Instytut Metalurgii Żelaza Im. Stanisława Staszica W Gliwicach Sposób wytapiania stali bezpośrednio z rudy żelaza

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1234749B (de) * 1963-07-04 1967-02-23 E H Hermann Schenck Dr Ing Dr Verfahren und Vorrichtung zur Gewinnung von fluessigem Eisen aus den Eisenerzen unter Verwendung von OEl oder Erdgas als Reduktionsmittel
DE2401909C3 (de) * 1974-01-16 1985-06-27 Fried. Krupp Gmbh, 4300 Essen Verfahren zur Herstellung von Stahl
US4235425A (en) * 1979-07-16 1980-11-25 Midrex Corporation Impact bed gasifier-melter
NO155669C (no) * 1980-06-23 1987-05-06 Asea Ab Fremgangsmaate for fremstilling av raajern og syntesegass.
DE3318005C2 (de) * 1983-05-18 1986-02-20 Klöckner CRA Technologie GmbH, 4100 Duisburg Verfahren zur Eisenherstellung
DE3503493A1 (de) * 1985-01-31 1986-08-14 Korf Engineering GmbH, 4000 Düsseldorf Verfahren zur herstellung von roheisen
US4599120A (en) * 1985-02-25 1986-07-08 Brush Wellman Inc. Processing of copper alloys

Also Published As

Publication number Publication date
CA1284274C (en) 1991-05-21
AU582453B2 (en) 1989-03-23
EP0209861A3 (en) 1987-12-02
EP0209861B1 (de) 1991-05-02
AU6025686A (en) 1987-01-22
SU1609456A3 (ru) 1990-11-23
CN1009561B (zh) 1990-09-12
CN86105271A (zh) 1987-04-01
EP0209861A2 (de) 1987-01-28

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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