ZA9811617B - Two step twin-single fluidized bed type pre-reduction apparatus for pre-reducing fine iron ore and method therefor - Google Patents

Two step twin-single fluidized bed type pre-reduction apparatus for pre-reducing fine iron ore and method therefor

Info

Publication number
ZA9811617B
ZA9811617B ZA9811617A ZA9811617A ZA9811617B ZA 9811617 B ZA9811617 B ZA 9811617B ZA 9811617 A ZA9811617 A ZA 9811617A ZA 9811617 A ZA9811617 A ZA 9811617A ZA 9811617 B ZA9811617 B ZA 9811617B
Authority
ZA
South Africa
Prior art keywords
fluidized bed
iron ore
method therefor
reduction apparatus
bed type
Prior art date
Application number
ZA9811617A
Other languages
English (en)
Inventor
Nag Joon Choi
Sun Kwang Jeong
Uoo Chang Jung
Heung Won Kang
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 ZA9811617B publication Critical patent/ZA9811617B/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
    • C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft 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

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)
ZA9811617A 1997-12-20 1998-12-18 Two step twin-single fluidized bed type pre-reduction apparatus for pre-reducing fine iron ore and method therefor ZA9811617B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019970071435A KR100236194B1 (ko) 1997-12-20 1997-12-20 분철광석의 2단 유동층식 예비환원장치

Publications (1)

Publication Number Publication Date
ZA9811617B true ZA9811617B (en) 1999-06-23

Family

ID=19528029

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9811617A ZA9811617B (en) 1997-12-20 1998-12-18 Two step twin-single fluidized bed type pre-reduction apparatus for pre-reducing fine iron ore and method therefor

Country Status (10)

Country Link
US (1) US6235079B1 (xx)
EP (1) EP0968311A1 (xx)
JP (1) JP2000510535A (xx)
KR (1) KR100236194B1 (xx)
AU (1) AU717927B2 (xx)
BR (1) BR9807427A (xx)
CA (1) CA2281591A1 (xx)
RU (1) RU2175983C2 (xx)
WO (1) WO1999032666A1 (xx)
ZA (1) ZA9811617B (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100732461B1 (ko) * 2005-12-26 2007-06-27 주식회사 포스코 분철광석의 장입 및 배출을 개선한 용철제조방법 및 이를이용한 용철제조장치
CN102925611B (zh) * 2012-10-24 2014-06-04 中国科学院过程工程研究所 一种复合添加剂改性铁矿粉防止流态化还原过程粘结失流的方法
CN103667571B (zh) * 2013-12-31 2015-06-03 中国科学院过程工程研究所 一种铁精矿粉体流态化直接还原的系统及方法
CN109047789A (zh) * 2018-09-06 2018-12-21 攀钢集团攀枝花钢铁研究院有限公司 还原制备铁粉的装置及制备方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1062911C (zh) * 1994-12-29 2001-03-07 浦项综合制铁株式会社 用于铁矿石的流化床型还原设备及用此设备还原铁矿石的方法
KR970003636B1 (ko) * 1994-12-31 1997-03-20 포항종합제철 주식회사 용융선철 및 용융강 제조시 분철광석을 환원시키는 환원로
IT1278916B1 (it) 1995-01-05 1997-11-28 Benet Di Bennati Ettore Metodo ed apparecchiatura per il trattamento di bagni metallici con materiali di reazione a basso o alto sviluppo di gas
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
KR100213327B1 (ko) * 1995-12-29 1999-08-02 이구택 분철광석의 3단 유동층로식 환원장치

Also Published As

Publication number Publication date
JP2000510535A (ja) 2000-08-15
WO1999032666A1 (en) 1999-07-01
RU2175983C2 (ru) 2001-11-20
AU1511199A (en) 1999-07-12
KR19990051994A (ko) 1999-07-05
EP0968311A1 (en) 2000-01-05
AU717927B2 (en) 2000-04-06
CA2281591A1 (en) 1999-07-01
KR100236194B1 (ko) 1999-12-15
BR9807427A (pt) 2000-03-21
US6235079B1 (en) 2001-05-22

Similar Documents

Publication Publication Date Title
AU3764197A (en) Method and apparatus for microwave treatment of metal ores and concentrates in a fluidized bed reactor
IL120440A0 (en) Method and apparatus for making metallic iron
ZA988503B (en) Mixed bed iron reduction process
ZA9711487B (en) 3-stage fluidized bed type fine iron ore reducing apparatus having x shaped circulating tubes
ZA9610910B (en) Device of three-stage fluidized bed furnace type for reducing fine iron ore
EP0972849A4 (en) METHOD AND DEVICE FOR TREATING DUST FROM IRON MAKING
AU579183B2 (en) Method and apparatus for fluidized bed reduction of iron ore
ZA9811696B (en) Directly charging device for directly charging reduced fine iron ore into melter-gasifier
EG22368A (en) Method and relative apparatus for the direct reduction of iron oxides
ZA9610908B (en) 2-Stage fluidized bed furnace for pre-reducing fine iron ore and method for pre-reducing fine iron ore using the furnace
AUPM616794A0 (en) Determination of pre-reduction degree in iron ore materials
ZA9811617B (en) Two step twin-single fluidized bed type pre-reduction apparatus for pre-reducing fine iron ore and method therefor
AU674615B2 (en) Process for producing sponge iron briquettes from fine ore
ZA96468B (en) Method and arrangement for cooling hot briquetted sponge iron
ZA95695B (en) Method and apparatus for suspension smelting
ZA979929B (en) Process for producing sponge iron by direct reduction of iron-oxide-containing material.
ZA200004742B (en) Fluidized bed type fine iron ore reducing apparatus, and method therefor.
ZA952372B (en) Method of treating fine ore
ZA9811616B (en) Apparatus for manufacturing molten pig iron and reduced iron by utilizing fluidized bed and method therefor
ZA962106B (en) A process for the reduction of fine ore and an arrangement for carrying out the process
ZA9710040B (en) A method for producing liquid pig iron or steel pre-products from iron-containing material.
ZA9811752B (en) Complex fluidized bed type fine iron ore reducing apparatus and method therefor.
AU4920096A (en) Process for recovering iron from iron-containing material
ZA9510996B (en) Fluidized bed type reduction apparatus for iron ores and method for reducing iron ores using the apparatus
EG22249A (en) Method for reforming reducing gas in a fluidized bed process for reduction of ore