AU690737B2 - Process for the heat treatment of fine-grained iron ore and for the conversion of the heat-treated iron ore to mettalic iron - Google Patents

Process for the heat treatment of fine-grained iron ore and for the conversion of the heat-treated iron ore to mettalic iron Download PDF

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Publication number
AU690737B2
AU690737B2 AU34306/95A AU3430695A AU690737B2 AU 690737 B2 AU690737 B2 AU 690737B2 AU 34306/95 A AU34306/95 A AU 34306/95A AU 3430695 A AU3430695 A AU 3430695A AU 690737 B2 AU690737 B2 AU 690737B2
Authority
AU
Australia
Prior art keywords
fluidised bed
gas
heat
particles
stage
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
Application number
AU34306/95A
Other languages
English (en)
Other versions
AU3430695A (en
Inventor
Wolfgang Bresser
Martin Hirsch
Alpaydin Saatci
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.)
Metso Corp
Original Assignee
Metallgesellschaft 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 Metallgesellschaft AG filed Critical Metallgesellschaft AG
Publication of AU3430695A publication Critical patent/AU3430695A/en
Application granted granted Critical
Publication of AU690737B2 publication Critical patent/AU690737B2/en
Assigned to OUTOKUMPU OYJ reassignment OUTOKUMPU OYJ Alteration of Name(s) in Register under S187 Assignors: METALLGESELLSCHAFT AKTIENGESELLSCHAFT
Assigned to OUTOTEC OYJ reassignment OUTOTEC OYJ Alteration of Name(s) in Register under S187 Assignors: OUTOKUMPU OYJ
Anticipated expiration legal-status Critical
Expired legal-status Critical Current

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
    • 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
    • C22B1/242—Binding; Briquetting ; Granulating with binders
    • 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
    • C22B1/242—Binding; Briquetting ; Granulating with binders
    • C22B1/243—Binding; Briquetting ; Granulating with binders inorganic
    • 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)
  • 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)
  • Inorganic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Manufacture Of Iron (AREA)
AU34306/95A 1994-10-20 1995-10-18 Process for the heat treatment of fine-grained iron ore and for the conversion of the heat-treated iron ore to mettalic iron Expired AU690737B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE44437549 1994-10-20
DE4437549A DE4437549C2 (de) 1994-10-20 1994-10-20 Verfahren zur Herstellung von metallischem Eisen aus feinkörnigem Eisenerz

Publications (2)

Publication Number Publication Date
AU3430695A AU3430695A (en) 1996-05-02
AU690737B2 true AU690737B2 (en) 1998-04-30

Family

ID=6531290

Family Applications (1)

Application Number Title Priority Date Filing Date
AU34306/95A Expired AU690737B2 (en) 1994-10-20 1995-10-18 Process for the heat treatment of fine-grained iron ore and for the conversion of the heat-treated iron ore to mettalic iron

Country Status (6)

Country Link
AU (1) AU690737B2 (enrdf_load_stackoverflow)
BR (1) BR9504492A (enrdf_load_stackoverflow)
DE (1) DE4437549C2 (enrdf_load_stackoverflow)
MY (1) MY115972A (enrdf_load_stackoverflow)
TW (1) TW297049B (enrdf_load_stackoverflow)
ZA (1) ZA958896B (enrdf_load_stackoverflow)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5674308A (en) * 1994-08-12 1997-10-07 Midrex International B.V. Rotterdam, Zurich Branch Spouted bed circulating fluidized bed direct reduction system and method
DE19711629C2 (de) * 1997-03-20 2000-01-13 Ferrostaal Ag Verfahren und Vorrichtung zur Vorbereitung von Feinerzen für die Direktreduktion
DE19718136C2 (de) * 1997-04-30 2003-02-13 Outokumpu Oy Verfahren zum thermischen Behandeln von körnigem Eisenerz vor der Reduktion
DE19960575A1 (de) * 1999-12-15 2001-06-21 Krupp Polysius Ag Verfahren und Anlage zur Reduktion von Feinerzen
UA72754C2 (en) * 1999-12-16 2005-04-15 Po Hang Iron & Steel A method for decreasing the elutriation loss of fine iron ore in a circulating fluidized bed type reducing operation in furnace (variants)
DE10319625B3 (de) * 2003-05-02 2004-10-14 Outokumpu Oyj Verfahren und Anlage zur Wärmebehandlung von eisenoxidhaltigen Feststoffen
DE10343662B4 (de) * 2003-09-18 2005-10-27 Outokumpu Oyj Verfahren und Anlage zur Wärmebehandlung titanhaltiger Feststoffe
DE102012005454B4 (de) * 2012-03-20 2020-06-18 Outotec Oyj Verfahren und Vorrichtung zur Herstellung von gehärteten Granalien aus eisenhaltigen Partikeln
DE102021112922A1 (de) 2021-06-02 2022-12-08 Thyssenkrupp Steel Europe Ag Verfahren zur Direktreduktion von Eisenerz
CN114941046A (zh) * 2022-03-28 2022-08-26 北京科技大学 一种基于循环流化床的氢气直接还原铁矿石的系统及方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4307484A1 (de) * 1993-03-10 1994-09-15 Metallgesellschaft Ag Verfahren zur Direktreduktion von eisenoxidhaltigen Materialien mit festen kohlenstoffhaltigen Reduktionsmitteln
DE4410093C1 (de) * 1994-03-24 1995-03-09 Metallgesellschaft Ag Verfahren zur Direktreduktion von Eisenoxide enthaltenden Stoffen
DE4320359C1 (de) * 1993-06-19 1994-10-20 Metallgesellschaft Ag Verfahren zur Direktreduktion von Eisenoxide enthaltenden Stoffen zu Eisenschwamm und Aufkohlung zu Fe¶3¶C

Also Published As

Publication number Publication date
ZA958896B (en) 1997-04-21
DE4437549A1 (de) 1996-04-25
BR9504492A (pt) 1997-05-20
TW297049B (enrdf_load_stackoverflow) 1997-02-01
DE4437549C2 (de) 1996-08-08
AU3430695A (en) 1996-05-02
MY115972A (en) 2003-10-31

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Owner name: OUTOKUMPU OYJ

Free format text: FORMER OWNER WAS: METALLGESELLSCHAFT AKTIENGESELLSCHAFT