CA2531697C - Procede de reduction de la perte par elutriation d'un minerai de fer fin dans des operations de reduction du type a lit uidise - Google Patents

Procede de reduction de la perte par elutriation d'un minerai de fer fin dans des operations de reduction du type a lit uidise Download PDF

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Publication number
CA2531697C
CA2531697C CA002531697A CA2531697A CA2531697C CA 2531697 C CA2531697 C CA 2531697C CA 002531697 A CA002531697 A CA 002531697A CA 2531697 A CA2531697 A CA 2531697A CA 2531697 C CA2531697 C CA 2531697C
Authority
CA
Canada
Prior art keywords
iron ore
fine iron
fluidized bed
particles
bed type
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 - Fee Related
Application number
CA002531697A
Other languages
English (en)
Other versions
CA2531697A1 (fr
Inventor
Heung-Won Kang
Uoo-Chang Chung
Hang-Goo Kim
Sun-Kwang Jeong
Nag-Joon Choi
Albert Zschetzsche
Udo Gennari
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.)
Primetals Technologies Austria GmbH
Posco Co Ltd
Research Institute of Industrial Science and Technology RIST
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
Priority claimed from CA002363102A external-priority patent/CA2363102C/fr
Publication of CA2531697A1 publication Critical patent/CA2531697A1/fr
Application granted granted Critical
Publication of CA2531697C publication Critical patent/CA2531697C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • 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
    • 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
    • C21B13/008—Use of special additives or fluxing agents
    • 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 And Refinement Of Metals (AREA)
  • Manufacture Of Iron (AREA)
CA002531697A 1999-12-16 1999-12-16 Procede de reduction de la perte par elutriation d'un minerai de fer fin dans des operations de reduction du type a lit uidise Expired - Fee Related CA2531697C (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002363102A CA2363102C (fr) 1999-12-16 1999-12-16 Procede de reduction de la perte par elutriation d'un minerai de fer fin dans des operations de reduction du type a lit fluidise

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002363102A Division CA2363102C (fr) 1999-12-16 1999-12-16 Procede de reduction de la perte par elutriation d'un minerai de fer fin dans des operations de reduction du type a lit fluidise

Publications (2)

Publication Number Publication Date
CA2531697A1 CA2531697A1 (fr) 2001-06-21
CA2531697C true CA2531697C (fr) 2008-11-18

Family

ID=36035918

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002531697A Expired - Fee Related CA2531697C (fr) 1999-12-16 1999-12-16 Procede de reduction de la perte par elutriation d'un minerai de fer fin dans des operations de reduction du type a lit uidise

Country Status (1)

Country Link
CA (1) CA2531697C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112795791B (zh) * 2020-12-08 2023-03-24 上海江竑环保科技有限公司 电磁焙烧冶金尘泥还原氧化重金属的分离系统及使用方法

Also Published As

Publication number Publication date
CA2531697A1 (fr) 2001-06-21

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EEER Examination request
MKLA Lapsed

Effective date: 20151216