EP0877095A2 - Procédé et dispositif de préparation de minerais finement divisés pour la réduction directe - Google Patents

Procédé et dispositif de préparation de minerais finement divisés pour la réduction directe Download PDF

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Publication number
EP0877095A2
EP0877095A2 EP98102859A EP98102859A EP0877095A2 EP 0877095 A2 EP0877095 A2 EP 0877095A2 EP 98102859 A EP98102859 A EP 98102859A EP 98102859 A EP98102859 A EP 98102859A EP 0877095 A2 EP0877095 A2 EP 0877095A2
Authority
EP
European Patent Office
Prior art keywords
fine
flue gas
hot air
direct reduction
approx
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.)
Withdrawn
Application number
EP98102859A
Other languages
German (de)
English (en)
Other versions
EP0877095A3 (fr
Inventor
Klaus Dr. Knop
Peter Dr. Heinrich
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.)
Ferrostaal AG
Original Assignee
Ferrostaal AG
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 Ferrostaal AG filed Critical Ferrostaal AG
Publication of EP0877095A2 publication Critical patent/EP0877095A2/fr
Publication of EP0877095A3 publication Critical patent/EP0877095A3/fr
Withdrawn legal-status Critical Current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
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C22B1/24—Binding; Briquetting ; Granulating
    • C22B1/2406—Binding; Briquetting ; Granulating pelletizing
    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap

Definitions

  • the fine ore fraction smaller than approx. 0.04 mm with the hot air or the flue gas from the cyclone (7) is now the Multi-cyclone (10) abandoned for fine separation.
  • the Fine ores deposited there are treated with a Conveying device (11) in a pelletizing device (12) promoted.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Manufacture Of Iron (AREA)
EP98102859A 1997-03-20 1998-02-19 Procédé et dispositif de préparation de minerais finement divisés pour la réduction directe Withdrawn EP0877095A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19711629 1997-03-20
DE19711629A DE19711629C2 (de) 1997-03-20 1997-03-20 Verfahren und Vorrichtung zur Vorbereitung von Feinerzen für die Direktreduktion

Publications (2)

Publication Number Publication Date
EP0877095A2 true EP0877095A2 (fr) 1998-11-11
EP0877095A3 EP0877095A3 (fr) 2000-01-12

Family

ID=7824020

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98102859A Withdrawn EP0877095A3 (fr) 1997-03-20 1998-02-19 Procédé et dispositif de préparation de minerais finement divisés pour la réduction directe

Country Status (4)

Country Link
EP (1) EP0877095A3 (fr)
JP (1) JPH10310827A (fr)
DE (1) DE19711629C2 (fr)
ZA (1) ZA982360B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001007670A1 (fr) * 1999-07-27 2001-02-01 Voest-Alpine Industrieanlagenbau Gmbh Procede de traitement de minerai a grains fins

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT990357B (it) * 1973-08-06 1975-06-20 Centro Speriment Metallurg Procedimento per la preparazione della fase solida di alimentazione per reattori a letto fluido
DE2702693C3 (de) * 1977-01-24 1982-02-04 Fried. Krupp Gmbh, 4300 Essen Vorrichtung zur Durchführung chemischer und/oder physikalischer Prozesse
IN164687B (fr) * 1984-08-16 1989-05-13 Voest Alpine Ag
DE4410093C1 (de) * 1994-03-24 1995-03-09 Metallgesellschaft Ag Verfahren zur Direktreduktion von Eisenoxide enthaltenden Stoffen
AT400578B (de) * 1994-03-24 1996-01-25 Voest Alpine Ind Anlagen Verfahren zum aufbereiten von feinerz
US5560762A (en) * 1994-03-24 1996-10-01 Metallgesellschaft Ag Process for the heat treatment of fine-grained iron ore and for the conversion of the heat treated iron ore to metallic iron
DE4437549C2 (de) * 1994-10-20 1996-08-08 Metallgesellschaft Ag Verfahren zur Herstellung von metallischem Eisen aus feinkörnigem Eisenerz
AT405186B (de) * 1994-10-17 1999-06-25 Voest Alpine Ind Anlagen Anlage und verfahren zur herstellung von roheisen und/oder eisenschwamm
DE19706348C1 (de) * 1997-02-07 1998-09-03 Ferrostaal Ag Vorrichtung zur Direktreduktion von Feinerzen
DE19704566C1 (de) * 1997-02-07 1998-06-10 Ferrostaal Ag Verfahren und Vorrichtung zur Direktreduktion von Feinerzen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001007670A1 (fr) * 1999-07-27 2001-02-01 Voest-Alpine Industrieanlagenbau Gmbh Procede de traitement de minerai a grains fins

Also Published As

Publication number Publication date
JPH10310827A (ja) 1998-11-24
DE19711629C2 (de) 2000-01-13
DE19711629A1 (de) 1998-09-24
ZA982360B (en) 1998-09-29
EP0877095A3 (fr) 2000-01-12

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