ATE290610T1 - Fluidatbettreaktor zur verhinderung des anhaftens des feineisenerzes und verfahren - Google Patents

Fluidatbettreaktor zur verhinderung des anhaftens des feineisenerzes und verfahren

Info

Publication number
ATE290610T1
ATE290610T1 AT00986025T AT00986025T ATE290610T1 AT E290610 T1 ATE290610 T1 AT E290610T1 AT 00986025 T AT00986025 T AT 00986025T AT 00986025 T AT00986025 T AT 00986025T AT E290610 T1 ATE290610 T1 AT E290610T1
Authority
AT
Austria
Prior art keywords
bed reactor
dusts
fluidized bed
melter
gasifier
Prior art date
Application number
AT00986025T
Other languages
English (en)
Inventor
Nag-Joon Choi
Sun-Kwang Jeong
Hang-Goo Kim
Heung-Won Kang
Franz Hauzenberger
Original Assignee
Po Hang Iron & Steel
Res Inst Ind Science & Tech
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 Po Hang Iron & Steel, Res Inst Ind Science & Tech filed Critical Po Hang Iron & Steel
Application granted granted Critical
Publication of ATE290610T1 publication Critical patent/ATE290610T1/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
    • 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
    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • C22B5/12—Dry methods smelting of sulfides or formation of mattes by gases
    • C22B5/14—Dry methods smelting of sulfides or formation of mattes by gases fluidised material
    • 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)
  • Mechanical Engineering (AREA)
  • Manufacture Of Iron (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Non-Metallic Protective Coatings For Printed Circuits (AREA)
  • Centrifugal Separators (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
AT00986025T 1999-12-20 2000-12-20 Fluidatbettreaktor zur verhinderung des anhaftens des feineisenerzes und verfahren ATE290610T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1019990059509A KR100332924B1 (ko) 1999-12-20 1999-12-20 분철광석의 점착을 방지할 수 있는 3단 유동층식 환원장치및 이를 이용한 환원방법
PCT/KR2000/001495 WO2001046478A2 (en) 1999-12-20 2000-12-20 A fluidized bed reactor for preventing the fine iron ore from sticking therein and method therefor

Publications (1)

Publication Number Publication Date
ATE290610T1 true ATE290610T1 (de) 2005-03-15

Family

ID=19627387

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00986025T ATE290610T1 (de) 1999-12-20 2000-12-20 Fluidatbettreaktor zur verhinderung des anhaftens des feineisenerzes und verfahren

Country Status (12)

Country Link
US (1) US6585798B2 (de)
EP (1) EP1177322B1 (de)
JP (1) JP3457657B2 (de)
KR (1) KR100332924B1 (de)
AT (1) ATE290610T1 (de)
AU (1) AU756145B2 (de)
BR (1) BR0008282A (de)
CA (1) CA2362802A1 (de)
DE (1) DE60018558D1 (de)
RU (1) RU2195501C1 (de)
WO (1) WO2001046478A2 (de)
ZA (1) ZA200007676B (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101022447B1 (ko) 2002-12-21 2011-03-15 주식회사 포스코 분환원철 및 소성부원료를 고온 괴성화하는 용철제조장치및 그 용철제조방법
KR100743189B1 (ko) * 2005-12-26 2007-07-27 주식회사 포스코 용철 제조 장치 및 제조 방법
KR100778673B1 (ko) * 2005-12-26 2007-11-22 주식회사 포스코 용철 제조 장치
KR100732461B1 (ko) * 2005-12-26 2007-06-27 주식회사 포스코 분철광석의 장입 및 배출을 개선한 용철제조방법 및 이를이용한 용철제조장치
CN101365810B (zh) * 2006-07-10 2011-08-17 Jsw钢铁公司 用于增进效益的直接融熔还原炼铁（Corex）工艺的粉尘回收系统
KR100948929B1 (ko) * 2007-12-24 2010-03-23 주식회사 포스코 환원로 및 이를 포함하는 용철 제조 장치
JP6121309B2 (ja) * 2013-11-08 2017-04-26 三菱日立パワーシステムズ株式会社 チャー供給ホッパ、チャー回収装置及びガス化炉システム
KR101493211B1 (ko) * 2014-07-25 2015-02-24 한국에너지기술연구원 다단 유동 수소 환원 반응을 이용한 희소금속 제련 장치 및 방법
CN106955843B (zh) * 2017-05-27 2024-01-30 郑州大学 一种镁冶炼加料中风洗料球的系统及其方法
AU2022403347B2 (en) 2021-11-30 2025-12-11 Nippon Steel Corporation Facility for producing reduced iron and method for producing reduced iron
WO2025133440A1 (en) * 2023-12-22 2025-06-26 Metso Metals Oy Process and system for reducing metal oxides

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54152615A (en) * 1978-05-24 1979-12-01 Ishikawajima Harima Heavy Ind Co Ltd Suspended layer type direct reduction iron making process
JPH0639608B2 (ja) * 1986-03-28 1994-05-25 新日本製鐵株式会社 鉄鉱石の予熱・還元装置
US5192486A (en) * 1990-03-30 1993-03-09 Fior De Venezuela Plant and process for fluidized bed reduction of ore
FR2695141B1 (fr) * 1992-08-25 1994-10-07 Lorraine Laminage Installation de réduction du minerai de fer utilisant un lit fluidisé circulant.
US5531424A (en) * 1993-04-19 1996-07-02 Fior De Venezuela Fluidized bed direct reduction plant
KR970003636B1 (ko) * 1994-12-31 1997-03-20 포항종합제철 주식회사 용융선철 및 용융강 제조시 분철광석을 환원시키는 환원로
AT406485B (de) * 1995-10-10 2000-05-25 Voest Alpine Ind Anlagen Verfahren zur herstellung von flüssigem roheisen oder flüssigen stahlvorprodukten und anlage zur durchführung des verfahrens
KR100256341B1 (ko) * 1995-12-26 2000-05-15 이구택 분철광석의 2단유동층식 예비환원장치 및 그 방법

Also Published As

Publication number Publication date
JP3457657B2 (ja) 2003-10-20
WO2001046478A3 (en) 2001-11-29
EP1177322B1 (de) 2005-03-09
CA2362802A1 (en) 2001-06-28
US20020166412A1 (en) 2002-11-14
EP1177322A2 (de) 2002-02-06
AU2232801A (en) 2001-07-03
AU756145B2 (en) 2003-01-02
ZA200007676B (en) 2001-07-13
JP2003518194A (ja) 2003-06-03
KR20010065010A (ko) 2001-07-11
KR100332924B1 (ko) 2002-04-20
WO2001046478A2 (en) 2001-06-28
RU2195501C1 (ru) 2002-12-27
DE60018558D1 (de) 2005-04-14
BR0008282A (pt) 2002-02-05
US6585798B2 (en) 2003-07-01

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