ZA200004742B - Fluidized bed type fine iron ore reducing apparatus, and method therefor. - Google Patents

Fluidized bed type fine iron ore reducing apparatus, and method therefor.

Info

Publication number
ZA200004742B
ZA200004742B ZA200004742A ZA200004742A ZA200004742B ZA 200004742 B ZA200004742 B ZA 200004742B ZA 200004742 A ZA200004742 A ZA 200004742A ZA 200004742 A ZA200004742 A ZA 200004742A ZA 200004742 B ZA200004742 B ZA 200004742B
Authority
ZA
South Africa
Prior art keywords
fluidized bed
iron ore
method therefor
bed type
reducing apparatus
Prior art date
Application number
ZA200004742A
Inventor
Nag-Joon Choi
Heung-Won Kang
Uoo-Chang Chung
Hang-Goo Kim
Sun-Kwang Jeong
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 ZA200004742B publication Critical patent/ZA200004742B/en

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
    • C21B11/00—Making pig-iron other than in blast furnaces
    • C21B11/02—Making pig-iron other than in blast furnaces in low shaft furnaces or shaft furnaces
    • 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
    • C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
    • C21B2100/22—Increasing the gas reduction potential of recycled exhaust gases by reforming
    • 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
ZA200004742A 1998-12-09 2000-09-08 Fluidized bed type fine iron ore reducing apparatus, and method therefor. ZA200004742B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019980053955A KR100321050B1 (en) 1998-12-09 1998-12-09 A fluidized-bed type reduction method and apparatus for fine iron ores

Publications (1)

Publication Number Publication Date
ZA200004742B true ZA200004742B (en) 2001-03-15

Family

ID=19562041

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200004742A ZA200004742B (en) 1998-12-09 2000-09-08 Fluidized bed type fine iron ore reducing apparatus, and method therefor.

Country Status (8)

Country Link
EP (1) EP1055006A1 (en)
JP (1) JP2002531705A (en)
KR (1) KR100321050B1 (en)
AU (1) AU1513200A (en)
BR (1) BR9907794A (en)
CA (1) CA2320242A1 (en)
WO (1) WO2000034531A1 (en)
ZA (1) ZA200004742B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT409387B (en) * 2000-06-28 2002-07-25 Voest Alpine Ind Anlagen Process and installation for the gas reduction of particulate oxide-containing ores
US7588625B2 (en) * 2002-12-23 2009-09-15 Posco Apparatus for manufacturing molten irons to dry and convey iron ores and additives and manufacturing method using the same
ATE403014T1 (en) * 2002-12-23 2008-08-15 Posco APPARATUS FOR PRODUCING MELTED IRON TO IMPROVE THE OPERATION OF A FLUIDIZED BED REDUCTION APPARATUS AND PRODUCTION METHOD THEREFOR
US8968693B2 (en) 2012-08-30 2015-03-03 Honeywell International Inc. Internal cyclone for fluidized bed reactor
KR102153185B1 (en) * 2018-11-28 2020-09-07 주식회사 포스코 Method and apparatus for manufacturing lithium sulfate solution from lithium bearing ore

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970003636B1 (en) * 1994-12-31 1997-03-20 포항종합제철 주식회사 A furnace for reduction fine coal in the manufacture of iron melts
KR100213327B1 (en) * 1995-12-29 1999-08-02 이구택 Three-stage fluidized-bed reactor for the reduction of fine ore

Also Published As

Publication number Publication date
BR9907794A (en) 2000-10-24
JP2002531705A (en) 2002-09-24
KR20000038827A (en) 2000-07-05
AU1513200A (en) 2000-06-26
WO2000034531A1 (en) 2000-06-15
EP1055006A1 (en) 2000-11-29
CA2320242A1 (en) 2000-06-15
KR100321050B1 (en) 2002-04-17

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