ZA9610908B - 2-Stage fluidized bed furnace for pre-reducing fine iron ore and method for pre-reducing fine iron ore using the furnace - Google Patents

2-Stage fluidized bed furnace for pre-reducing fine iron ore and method for pre-reducing fine iron ore using the furnace

Info

Publication number
ZA9610908B
ZA9610908B ZA9610908A ZA9610908A ZA9610908B ZA 9610908 B ZA9610908 B ZA 9610908B ZA 9610908 A ZA9610908 A ZA 9610908A ZA 9610908 A ZA9610908 A ZA 9610908A ZA 9610908 B ZA9610908 B ZA 9610908B
Authority
ZA
South Africa
Prior art keywords
iron ore
fine iron
reducing fine
furnace
fluidized bed
Prior art date
Application number
ZA9610908A
Other languages
English (en)
Inventor
Dae Gyu Park
Suk In Park
Il Ock Lee
Original Assignee
Po Hang Iron & Steel
Res Inst Ind Science & Tech
Voest Alpine Ind Anlagen
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, Voest Alpine Ind Anlagen filed Critical Po Hang Iron & Steel
Publication of ZA9610908B publication Critical patent/ZA9610908B/xx

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
    • 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)
ZA9610908A 1995-12-26 1996-12-30 2-Stage fluidized bed furnace for pre-reducing fine iron ore and method for pre-reducing fine iron ore using the furnace ZA9610908B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950056690A KR100256341B1 (ko) 1995-12-26 1995-12-26 분철광석의 2단유동층식 예비환원장치 및 그 방법

Publications (1)

Publication Number Publication Date
ZA9610908B true ZA9610908B (en) 1997-07-18

Family

ID=19444456

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9610908A ZA9610908B (en) 1995-12-26 1996-12-30 2-Stage fluidized bed furnace for pre-reducing fine iron ore and method for pre-reducing fine iron ore using the furnace

Country Status (10)

Country Link
US (1) US5919281A (ko)
EP (1) EP0811080A1 (ko)
JP (1) JP2947616B2 (ko)
KR (1) KR100256341B1 (ko)
AU (1) AU704146B2 (ko)
BR (1) BR9607306A (ko)
CA (1) CA2211906C (ko)
RU (1) RU2143007C1 (ko)
WO (1) WO1997023655A1 (ko)
ZA (1) ZA9610908B (ko)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT405525B (de) * 1996-06-28 1999-09-27 Voest Alpine Ind Anlagen Verfahren und anlage zum herstellen von flüssigem roheisen oder flüssigen stahlvorprodukten
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
KR100236194B1 (ko) * 1997-12-20 1999-12-15 이구택 분철광석의 2단 유동층식 예비환원장치
US6224649B1 (en) 1998-07-06 2001-05-01 Hylsa, S.A. De C.V. Method and apparatus for reducing iron-oxides-particles having a broad range of sizes
WO2000037687A1 (en) * 1998-12-22 2000-06-29 Pohang Iron & Steel Co., Ltd. Complex fluidized bed type fine iron ore reducing apparatus, and method therefor
OA12041A (en) * 1999-01-12 2006-05-02 Falconbridge Ltd Fluidized bed reduction of laterite fines with reducing gases generated in situ.
KR101353456B1 (ko) * 2011-12-28 2014-01-21 주식회사 포스코 분철 및 환원철 제조장치 및 그 방법
KR101481125B1 (ko) 2013-04-30 2015-01-12 주식회사 포스코 용철 제조장치 및 그 제조방법

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE419129B (sv) * 1979-05-29 1981-07-13 Stora Kopparbergs Bergslags Ab Anordning for reduktion av finfordelat jernoxidhaltigt material i en cirkulerande flytbedd
AU596758B2 (en) * 1987-11-13 1990-05-10 Jp Steel Plantech Co. Metal-making apparatus involving the smelting reduction of metallic oxides
KR940001137B1 (ko) * 1991-11-07 1994-02-14 한국신철강 기술연구조합 분철광석의 순환 유동층식 예비환원로
US5185032A (en) * 1992-05-26 1993-02-09 Fior De Venezuela Process for fluidized bed direct steelmaking
JPH0668644A (ja) * 1992-06-19 1994-03-11 Sony Corp テープカセット
US5297754A (en) * 1992-06-22 1994-03-29 International Business Machines Corporation Tape reel with brake and dust shield
AT404735B (de) * 1992-10-22 1999-02-25 Voest Alpine Ind Anlagen Verfahren und anlage zur herstellung von flüssigem roheisen oder flüssigen stahlvorprodukten
KR970003636B1 (ko) * 1994-12-31 1997-03-20 포항종합제철 주식회사 용융선철 및 용융강 제조시 분철광석을 환원시키는 환원로

Also Published As

Publication number Publication date
WO1997023655A1 (en) 1997-07-03
JP2947616B2 (ja) 1999-09-13
BR9607306A (pt) 1997-11-25
RU2143007C1 (ru) 1999-12-20
AU704146B2 (en) 1999-04-15
AU1211697A (en) 1997-07-17
KR100256341B1 (ko) 2000-05-15
JPH10506960A (ja) 1998-07-07
KR970043093A (ko) 1997-07-26
US5919281A (en) 1999-07-06
CA2211906C (en) 2001-10-09
EP0811080A1 (en) 1997-12-10
CA2211906A1 (en) 1997-07-03

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