DE69522210D1 - Reduziervorrichtung des fluidartbettyps für eisenerzteilchen und verwendung - Google Patents

Reduziervorrichtung des fluidartbettyps für eisenerzteilchen und verwendung

Info

Publication number
DE69522210D1
DE69522210D1 DE69522210T DE69522210T DE69522210D1 DE 69522210 D1 DE69522210 D1 DE 69522210D1 DE 69522210 T DE69522210 T DE 69522210T DE 69522210 T DE69522210 T DE 69522210T DE 69522210 D1 DE69522210 D1 DE 69522210D1
Authority
DE
Germany
Prior art keywords
pct
reduction
furnace
sec
fluidart
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 - Lifetime
Application number
DE69522210T
Other languages
English (en)
Other versions
DE69522210T2 (de
Inventor
Il Ock Lee
Yong Ha Kim
Bong Jin Jung
Hang Goo Kim
Franz Hauzenberger
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.)
Posco Co Ltd
Original Assignee
Voest Alpine Industrienlagenbau GmbH
Research Institute of Industrial Science and Technology RIST
Pohang Iron and Steel Co 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
Application filed by Voest Alpine Industrienlagenbau GmbH, Research Institute of Industrial Science and Technology RIST, Pohang Iron and Steel Co Ltd filed Critical Voest Alpine Industrienlagenbau GmbH
Application granted granted Critical
Publication of DE69522210D1 publication Critical patent/DE69522210D1/de
Publication of DE69522210T2 publication Critical patent/DE69522210T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
    • C21B13/0013—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide into a bath of molten iron containing a carbon reductant
    • C21B13/002—Reduction of iron ores by passing through a heated column of carbon
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • 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
    • 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
    • C21B2100/40—Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
    • C21B2100/44—Removing particles, e.g. by scrubbing, dedusting
    • 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)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Coating Apparatus (AREA)
DE69522210T 1994-12-31 1995-12-28 Reduziervorrichtung des fluidartbettyps für eisenerzteilchen und verwendung Expired - Lifetime DE69522210T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1019940040302A KR970003636B1 (ko) 1994-12-31 1994-12-31 용융선철 및 용융강 제조시 분철광석을 환원시키는 환원로
PCT/KR1995/000182 WO1996021045A1 (en) 1994-12-31 1995-12-28 Fluidized bed type reduction apparatus for iron ore particles and method for reducing iron ore particles using the apparatus

Publications (2)

Publication Number Publication Date
DE69522210D1 true DE69522210D1 (de) 2001-09-20
DE69522210T2 DE69522210T2 (de) 2002-05-08

Family

ID=19406098

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69522210T Expired - Lifetime DE69522210T2 (de) 1994-12-31 1995-12-28 Reduziervorrichtung des fluidartbettyps für eisenerzteilchen und verwendung

Country Status (17)

Country Link
US (1) US5785733A (de)
EP (1) EP0748391B1 (de)
JP (1) JP3264330B2 (de)
KR (1) KR970003636B1 (de)
CN (1) CN1042840C (de)
AT (1) ATE204338T1 (de)
AU (1) AU691068B2 (de)
BR (1) BR9506967A (de)
CA (1) CA2184009C (de)
CZ (1) CZ292000B6 (de)
DE (1) DE69522210T2 (de)
RU (1) RU2124565C1 (de)
SK (1) SK282568B6 (de)
TW (1) TW314554B (de)
UA (1) UA41395C2 (de)
WO (1) WO1996021045A1 (de)
ZA (1) ZA9510997B (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100256341B1 (ko) * 1995-12-26 2000-05-15 이구택 분철광석의 2단유동층식 예비환원장치 및 그 방법
AT403696B (de) * 1996-06-20 1998-04-27 Voest Alpine Ind Anlagen Einschmelzvergaser und anlage für die herstellung einer metallschmelze
AT404256B (de) * 1996-11-06 1998-10-27 Voest Alpine Ind Anlagen Verfahren zum herstellen von eisenschwamm
KR100276339B1 (ko) * 1996-12-23 2000-12-15 이구택 엑스자형 순환관을 갖는 분철광석의 3단 유동층로식 환원장치
EP0889974B1 (de) * 1996-12-28 2000-10-18 POHANG IRON & STEEL CO., LTD. Fluidatbettartiges system zum reduzieren von feinem eisenerz
KR100236194B1 (ko) * 1997-12-20 1999-12-15 이구택 분철광석의 2단 유동층식 예비환원장치
WO1999032668A1 (en) * 1997-12-20 1999-07-01 Pohang Iron & Steel Co., Ltd. Apparatus for manufacturing molten pig iron and reduced iron by utilizing fluidized bed, and method therefor
KR100241010B1 (ko) * 1997-12-22 2000-03-02 이구택 환원분광의 용융가스화로내로의 직접장입장치
KR100321050B1 (ko) * 1998-12-09 2002-04-17 이구택 분철광석의유동층식예비환원장치및이를이용한예비환원방법
AU746094B2 (en) * 1999-06-21 2002-04-18 Pohang Iron & Steel Co., Ltd. 2-stage fluidized bed type fine iron ore reducing apparatus, and reducing method using the apparatus
KR100332924B1 (ko) * 1999-12-20 2002-04-20 이구택 분철광석의 점착을 방지할 수 있는 3단 유동층식 환원장치및 이를 이용한 환원방법
KR100332926B1 (ko) * 1999-12-23 2002-04-20 이구택 유동환원로에서 분철광석 배출위치 제어장치
KR100413323B1 (ko) * 2001-12-01 2004-01-03 고려아연 주식회사 유동층이 안정화된 아연정광 유동배소로
KR100584745B1 (ko) * 2001-12-21 2006-05-30 주식회사 포스코 일반탄 및 분철광석을 이용한 용철제조공정에 있어서함철더스트 및 슬러지 재활용 장치 및 방법
DE10260741A1 (de) 2002-12-23 2004-07-08 Outokumpu Oyj Verfahren und Anlage zur Wärmebehandlung von feinkörnigen Feststoffen
DE10260734B4 (de) 2002-12-23 2005-05-04 Outokumpu Oyj Verfahren und Anlage zur Herstellung von Schwelkoks
EP1576197B1 (de) * 2002-12-23 2016-11-23 Posco Herstellung von schmelzflüssigem eisen zumtrocknen und befördern von eisenerzen und zusatzstoffen
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
DE10260731B4 (de) 2002-12-23 2005-04-14 Outokumpu Oyj Verfahren und Anlage zur Wärmebehandlung von eisenoxidhaltigen Feststoffen
KR100732461B1 (ko) * 2005-12-26 2007-06-27 주식회사 포스코 분철광석의 장입 및 배출을 개선한 용철제조방법 및 이를이용한 용철제조장치
AT503593B1 (de) * 2006-04-28 2008-03-15 Siemens Vai Metals Tech Gmbh Verfahren zur herstellung von flüssigem roheisen oder flüssigen stahlvorprodukten aus feinteilchenförmigem eisenoxidhältigem material
AU2007276431B2 (en) * 2006-07-21 2011-07-07 Tata Steel Nederland Technology B.V. Method and apparatus for reducing metalliferous material to a reduction product
KR100840265B1 (ko) * 2006-12-27 2008-06-20 주식회사 포스코 분철 저장 장치 및 이를 구비한 용철 제조 장치
CN101397606B (zh) * 2007-09-24 2011-11-23 宝山钢铁股份有限公司 一种适合宽粒度分布的粉铁矿预还原工艺及其装置
CN101519707B (zh) * 2008-02-28 2010-12-01 宝山钢铁股份有限公司 一种用于粉铁矿预还原的多级流化床装置及工艺
US8309017B2 (en) * 2008-11-18 2012-11-13 Hunter William C Off-gas heat recovery and particulate collection
EP3535424B1 (de) 2016-11-03 2023-12-20 Midrex Technologies, Inc. Direktreduktionsverfahren und schachtofen mit erweitertem strömungsumlenkerkegel
US11021766B2 (en) 2016-11-03 2021-06-01 Midrex Technologies, Inc. Direct reduction with coal gasification and coke oven gas
KR101978986B1 (ko) * 2017-11-09 2019-05-17 한국에너지기술연구원 입자 크기 및 연료 다변화 대응 급속 환원 시스템 및 그 작동방법

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE439932B (sv) * 1980-11-10 1985-07-08 Skf Steel Eng Ab Forfarande for framstellning av metall ur finkorniga metalloxidmaterial
DE3626027A1 (de) * 1986-08-01 1988-02-11 Metallgesellschaft Ag Verfahren zur reduktion feinkoerniger, eisenhaltiger materialien mit festen kohlenstoffhaltigen reduktionsmitteln
JPH0637657B2 (ja) * 1990-01-22 1994-05-18 川崎製鉄株式会社 粉状鉄鉱石の循環流動層予備還元方法
AT402937B (de) * 1992-05-22 1997-09-25 Voest Alpine Ind Anlagen Verfahren und anlage zur direktreduktion von teilchenförmigem eisenoxidhältigem material
US5407179A (en) * 1992-05-26 1995-04-18 Fior De Venezuela Fluidized bed direct steelmaking plant
AT404735B (de) * 1992-10-22 1999-02-25 Voest Alpine Ind Anlagen Verfahren und anlage zur herstellung von flüssigem roheisen oder flüssigen stahlvorprodukten
US5531424A (en) * 1993-04-19 1996-07-02 Fior De Venezuela Fluidized bed direct reduction plant
US5370727A (en) * 1993-04-19 1994-12-06 Fior De Venezuela Fluidized process for direct reduction

Also Published As

Publication number Publication date
BR9506967A (pt) 1997-09-09
AU691068B2 (en) 1998-05-07
AU4317296A (en) 1996-07-24
CN1042840C (zh) 1999-04-07
EP0748391B1 (de) 2001-08-16
UA41395C2 (uk) 2001-09-17
SK111696A3 (en) 1997-07-09
CZ247096A3 (en) 1997-04-16
ZA9510997B (en) 1996-07-10
DE69522210T2 (de) 2002-05-08
JPH09506935A (ja) 1997-07-08
CN1143391A (zh) 1997-02-19
US5785733A (en) 1998-07-28
CA2184009C (en) 2000-05-30
KR960023101A (ko) 1996-07-18
KR970003636B1 (ko) 1997-03-20
EP0748391A1 (de) 1996-12-18
WO1996021045A1 (en) 1996-07-11
TW314554B (de) 1997-09-01
JP3264330B2 (ja) 2002-03-11
CZ292000B6 (cs) 2003-07-16
CA2184009A1 (en) 1996-07-11
RU2124565C1 (ru) 1999-01-10
SK282568B6 (sk) 2002-10-08
ATE204338T1 (de) 2001-09-15

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: POHANG IRON & STEEL CO. LTD., POHANG CITY, KYUNG S

8364 No opposition during term of opposition