BR9504492A - Processo para tratamento térmico de minério de ferro de graos finos e para conversao do minério de ferro tratado termicamente em ferro metálico - Google Patents

Processo para tratamento térmico de minério de ferro de graos finos e para conversao do minério de ferro tratado termicamente em ferro metálico

Info

Publication number
BR9504492A
BR9504492A BR9504492A BR9504492A BR9504492A BR 9504492 A BR9504492 A BR 9504492A BR 9504492 A BR9504492 A BR 9504492A BR 9504492 A BR9504492 A BR 9504492A BR 9504492 A BR9504492 A BR 9504492A
Authority
BR
Brazil
Prior art keywords
iron ore
iron
fine
grained
heat
Prior art date
Application number
BR9504492A
Other languages
English (en)
Portuguese (pt)
Inventor
Wolfgang Bresser
Martin Hirsch
Alpaydin Saatci
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 BR9504492A publication Critical patent/BR9504492A/pt

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)
BR9504492A 1994-10-20 1995-10-20 Processo para tratamento térmico de minério de ferro de graos finos e para conversao do minério de ferro tratado termicamente em ferro metálico BR9504492A (pt)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BR9504492A true BR9504492A (pt) 1997-05-20

Family

ID=6531290

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9504492A BR9504492A (pt) 1994-10-20 1995-10-20 Processo para tratamento térmico de minério de ferro de graos finos e para conversao do minério de ferro tratado termicamente em ferro metálico

Country Status (6)

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

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
JP2003517097A (ja) * 1999-12-16 2003-05-20 ポーハング アイアン アンド スティール シーオー．，エルティディ． 流動層型還元操業における微細な鉄鉱石のエルトリエーションロスを小さくするための方法
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
DE4437549C2 (de) 1996-08-08
AU690737B2 (en) 1998-04-30
AU3430695A (en) 1996-05-02
TW297049B (de) 1997-02-01
DE4437549A1 (de) 1996-04-25
MY115972A (en) 2003-10-31

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Legal Events

Date Code Title Description
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 20A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2328 DE 18-08-2015 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.