DK0630975T3 - Fremgangsmåde til direkte reduktion af jernoxidholdige stoffer. - Google Patents

Fremgangsmåde til direkte reduktion af jernoxidholdige stoffer.

Info

Publication number
DK0630975T3
DK0630975T3 DK94109230T DK94109230T DK0630975T3 DK 0630975 T3 DK0630975 T3 DK 0630975T3 DK 94109230 T DK94109230 T DK 94109230T DK 94109230 T DK94109230 T DK 94109230T DK 0630975 T3 DK0630975 T3 DK 0630975T3
Authority
DK
Denmark
Prior art keywords
iron oxide
containing substances
direct reduction
reduction
direct
Prior art date
Application number
DK94109230T
Other languages
English (en)
Inventor
Wolfgang Bresser
Martin Dr Hirsch
Reze Husain
Alpaydin Dr Saatci
Original Assignee
Metallgesellschaft Ag
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 DE19934320359 external-priority patent/DE4320359C1/de
Priority claimed from DE19944410093 external-priority patent/DE4410093C1/de
Application filed by Metallgesellschaft Ag filed Critical Metallgesellschaft Ag
Application granted granted Critical
Publication of DK0630975T3 publication Critical patent/DK0630975T3/da

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
    • C21B13/0033—In fluidised bed furnaces or apparatus containing a dispersion of the material
    • 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
    • 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
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacture Of Iron (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
DK94109230T 1993-06-19 1994-06-15 Fremgangsmåde til direkte reduktion af jernoxidholdige stoffer. DK0630975T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19934320359 DE4320359C1 (de) 1993-06-19 1993-06-19 Verfahren zur Direktreduktion von Eisenoxide enthaltenden Stoffen zu Eisenschwamm und Aufkohlung zu Fe¶3¶C
DE19944410093 DE4410093C1 (de) 1994-03-24 1994-03-24 Verfahren zur Direktreduktion von Eisenoxide enthaltenden Stoffen

Publications (1)

Publication Number Publication Date
DK0630975T3 true DK0630975T3 (da) 1997-09-01

Family

ID=25926923

Family Applications (1)

Application Number Title Priority Date Filing Date
DK94109230T DK0630975T3 (da) 1993-06-19 1994-06-15 Fremgangsmåde til direkte reduktion af jernoxidholdige stoffer.

Country Status (6)

Country Link
US (2) US5527379A (da)
EP (1) EP0630975B1 (da)
AU (1) AU673921B2 (da)
DE (1) DE59403432D1 (da)
DK (1) DK0630975T3 (da)
MY (1) MY110999A (da)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK0630975T3 (da) * 1993-06-19 1997-09-01 Metallgesellschaft Ag Fremgangsmåde til direkte reduktion af jernoxidholdige stoffer.
US5869018A (en) 1994-01-14 1999-02-09 Iron Carbide Holdings, Ltd. Two step process for the production of iron carbide from iron oxide
US5431711A (en) * 1994-08-12 1995-07-11 Midrex International B.V. Rotterdam, Zurich Branch Circulating fluidized bed direct reduction system
US5674308A (en) * 1994-08-12 1997-10-07 Midrex International B.V. Rotterdam, Zurich Branch Spouted bed circulating fluidized bed direct reduction system and method
AT405942B (de) * 1995-03-17 1999-12-27 Voest Alpine Ind Anlagen Verfahren zur reduktion von feinerz sowie anlage zur durchführung des verfahrens
US5690717A (en) * 1995-03-29 1997-11-25 Iron Carbide Holdings, Ltd. Iron carbide process
US6238639B1 (en) 1995-05-04 2001-05-29 Metallgesellschaft Aktiengesellschaft Process for removing NOx from nitrosylsulphuric acid
JP2727436B2 (ja) 1995-05-31 1998-03-11 川崎重工業株式会社 鉄カーバイドの製造方法及び製造装置
US5804156A (en) * 1996-07-19 1998-09-08 Iron Carbide Holdings, Ltd. Iron carbide process
US5810905A (en) * 1996-10-07 1998-09-22 Cleveland Cliffs Iron Company Process for making pig iron
JP2938825B2 (ja) 1997-02-28 1999-08-25 川崎重工業株式会社 鉄カーバイドの製造方法
DE19717304C2 (de) * 1997-04-24 1999-05-27 Metallgesellschaft Ag Verfahren zum Erzeugen von Eisencarbid aus körnigem Eisenschwamm
DE19718136C2 (de) 1997-04-30 2003-02-13 Outokumpu Oy Verfahren zum thermischen Behandeln von körnigem Eisenerz vor der Reduktion
DE19744151C5 (de) * 1997-10-07 2004-08-26 Outokumpu Oyj Verfahren zum Schmelzen von feinkörnigem, direkt reduziertem Eisen in einem Elektrolichtbogenofen
DE19748968C1 (de) * 1997-11-06 1999-06-10 Metallgesellschaft Ag Verfahren zum Erzeugen eines Gemisches aus Eisencarbid und körnigem, direkt reduziertem Eisen
US5912400A (en) * 1997-12-02 1999-06-15 Brifer International Ltd. Method for reforming reducing gas in a fluidized bed process for reduction of ore
AU750751B2 (en) 1998-03-31 2002-07-25 Iron Carbide Holdings, Ltd Process for the production of iron carbide from iron oxide using external sources of carbon monoxide
US6063155A (en) 1998-04-06 2000-05-16 Orinoco Iron, C.A. Fluidized bed process for the production of iron carbide
WO2000047780A2 (en) * 1999-02-02 2000-08-17 Hylsa, S.A. De C.V. Method and apparatus for preheating of direct reduced iron used as feed to an electric arc furnace
KR100321053B1 (ko) * 1999-12-07 2002-01-19 이구택 유동반응로에서 역혼합 방지장치
DE10260734B4 (de) 2002-12-23 2005-05-04 Outokumpu Oyj Verfahren und Anlage zur Herstellung von Schwelkoks
DE10260739B3 (de) 2002-12-23 2004-09-16 Outokumpu Oy Verfahren und Anlage zur Herstellung von Metalloxid aus Metallverbindungen
DE10260737B4 (de) * 2002-12-23 2005-06-30 Outokumpu Oyj Verfahren und Anlage zur Wärmebehandlung von titanhaltigen Feststoffen
DE10260733B4 (de) 2002-12-23 2010-08-12 Outokumpu Oyj Verfahren und Anlage zur Wärmebehandlung von eisenoxidhaltigen Feststoffen
DE10260741A1 (de) 2002-12-23 2004-07-08 Outokumpu Oyj Verfahren und Anlage zur Wärmebehandlung von feinkörnigen Feststoffen
DE10260731B4 (de) 2002-12-23 2005-04-14 Outokumpu Oyj Verfahren und Anlage zur Wärmebehandlung von eisenoxidhaltigen Feststoffen
DE10260738A1 (de) * 2002-12-23 2004-07-15 Outokumpu Oyj Verfahren und Anlage zur Förderung von feinkörnigen Feststoffen
DE10260745A1 (de) * 2002-12-23 2004-07-01 Outokumpu Oyj Verfahren und Anlage zur thermischen Behandlung von körnigen Feststoffen
DE10336676C5 (de) * 2003-08-09 2011-03-31 Outokumpu Oyj Verfahren und Anlage zur Reduktion von eisenoxidhaltigen Feststoffen
DE10343662B4 (de) * 2003-09-18 2005-10-27 Outokumpu Oyj Verfahren und Anlage zur Wärmebehandlung titanhaltiger Feststoffe
US7780759B2 (en) * 2004-05-31 2010-08-24 Outotec Oyj Direct reduction process
BRPI0511700B1 (pt) * 2004-05-31 2015-04-22 Outotec Oyj Processo de redução direta e instalação de processamento para o dito processo
DE102004042430A1 (de) * 2004-08-31 2006-03-16 Outokumpu Oyj Wirbelschichtreaktor zum thermischen Behandeln von wirbelfähigen Substanzen in einem mikrowellenbeheizten Wirbelbett
WO2010028459A1 (en) * 2008-09-15 2010-03-18 Austpac Resources N.L. Direct reduction
US8377175B2 (en) * 2010-02-26 2013-02-19 Arcelormittal Investigacion Y Desarrollo, S.L. Apparatus and method for treating exhaust gas
WO2016072613A1 (ko) * 2014-11-06 2016-05-12 주식회사 포스코 복합 용철 제조 장치
DE102016104738A1 (de) * 2016-03-15 2017-09-21 Outotec (Finland) Oy Verfahren und Vorrichtung zur thermischen Behandlung von körnigen Feststoffen
US10434576B2 (en) * 2016-08-03 2019-10-08 Reid Reactors Llc Method and apparatus for producing metallic iron from iron oxide fines
US10661340B2 (en) * 2016-08-03 2020-05-26 Reid Reactors Llc Method and apparatus for producing metallic iron from iron oxide fines
SE543642C2 (en) * 2019-09-23 2021-05-11 Greeniron H2 Ab Method and device for producing direct reduced, carburized metal
DE102019217631B4 (de) * 2019-11-15 2024-05-29 Thyssenkrupp Steel Europe Ag Verfahren zur Direktreduktion von Eisenerz
TWI920174B (zh) * 2020-12-03 2026-04-01 美商歐米恩國際公司 使用氫作為還原劑還原礦石的系統及方法
NL2036812B1 (en) 2024-01-16 2025-07-28 Renewable Iron Fuel Tech B V A method for producing iron fuel from metal oxide containing charge materials via reducing the metal oxide containing charge materials

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4053301A (en) * 1975-10-14 1977-10-11 Hazen Research, Inc. Process for the direct production of steel
SE419129B (sv) * 1979-05-29 1981-07-13 Stora Kopparbergs Bergslags Ab Anordning for reduktion av finfordelat jernoxidhaltigt material i en cirkulerande flytbedd
JPS5613513A (en) * 1979-07-11 1981-02-09 Matsushita Electric Ind Co Ltd Magnetic head and its manufacture
JPS6169910A (ja) * 1984-09-12 1986-04-10 Kobe Steel Ltd 鉄鉱石の流動層還元方法
US5118479A (en) * 1990-08-01 1992-06-02 Iron Carbide Holdings, Limited Process for using fluidized bed reactor
US5137566A (en) * 1990-08-01 1992-08-11 Iron Carbide Holdings, Limited Process for preheating iron-containing reactor feed prior to being treated in a fluidized bed reactor
SG46675A1 (en) * 1990-08-01 1998-02-20 Iron Carbide Holdings Ltd Method for controlling the coversion of iron-containing reactor feed into iron carbide
US5073194A (en) * 1990-08-01 1991-12-17 Iron Carbide Holdings, Limited Process for controlling the product quality in the conversion of reactor feed into iron carbide
FR2683830B1 (fr) * 1991-11-19 1994-04-08 Irsid Installation de reduction du minerai de fer en lit fluidise circulant.
DK0630975T3 (da) * 1993-06-19 1997-09-01 Metallgesellschaft Ag Fremgangsmåde til direkte reduktion af jernoxidholdige stoffer.
US5431711A (en) * 1994-08-12 1995-07-11 Midrex International B.V. Rotterdam, Zurich Branch Circulating fluidized bed direct reduction system

Also Published As

Publication number Publication date
AU6479594A (en) 1994-12-22
US5527379A (en) 1996-06-18
US5603748A (en) 1997-02-18
MY110999A (en) 1999-07-31
EP0630975A1 (de) 1994-12-28
DE59403432D1 (de) 1997-08-28
AU673921B2 (en) 1996-11-28
EP0630975B1 (de) 1997-07-23

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