ATA85995A - Direktreduktionssystem unter verwendung eines zirkulierenden fliessbetts - Google Patents

Direktreduktionssystem unter verwendung eines zirkulierenden fliessbetts

Info

Publication number
ATA85995A
ATA85995A AT0085995A AT85995A ATA85995A AT A85995 A ATA85995 A AT A85995A AT 0085995 A AT0085995 A AT 0085995A AT 85995 A AT85995 A AT 85995A AT A85995 A ATA85995 A AT A85995A
Authority
AT
Austria
Prior art keywords
fluid bed
reduction system
circulating fluid
direct reduction
direct
Prior art date
Application number
AT0085995A
Other languages
English (en)
Original Assignee
Midrex Int Bv
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 Midrex Int Bv filed Critical Midrex Int Bv
Publication of ATA85995A publication Critical patent/ATA85995A/de

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
    • C21B13/0033—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
    • C21B13/0046—Making spongy iron or liquid steel, by direct processes making metallised agglomerates or iron oxide
    • 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
    • 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
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacture Of Iron (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
AT0085995A 1994-08-12 1995-05-22 Direktreduktionssystem unter verwendung eines zirkulierenden fliessbetts ATA85995A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/289,852 US5431711A (en) 1994-08-12 1994-08-12 Circulating fluidized bed direct reduction system

Publications (1)

Publication Number Publication Date
ATA85995A true ATA85995A (de) 1999-12-15

Family

ID=23113392

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0085995A ATA85995A (de) 1994-08-12 1995-05-22 Direktreduktionssystem unter verwendung eines zirkulierenden fliessbetts

Country Status (4)

Country Link
US (2) US5431711A (de)
AT (1) ATA85995A (de)
AU (1) AU680117B2 (de)
DE (1) DE19517766A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0630975B1 (de) * 1993-06-19 1997-07-23 Metallgesellschaft Ag Verfahren zur Direktreduktion von Eisenoxide enthaltenden Stoffen
US5869018A (en) 1994-01-14 1999-02-09 Iron Carbide Holdings, Ltd. Two step process for the production of iron carbide from iron oxide
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
US5690717A (en) * 1995-03-29 1997-11-25 Iron Carbide Holdings, Ltd. Iron carbide process
US5804156A (en) * 1996-07-19 1998-09-08 Iron Carbide Holdings, Ltd. Iron carbide process
US5810905A (en) * 1996-10-07 1998-09-22 Cleveland Cliffs Iron Company Process for making pig iron
AU750751B2 (en) 1998-03-31 2002-07-25 Iron Carbide Holdings, Ltd Process for the production of iron carbide from iron oxide using external sources of carbon monoxide
US6132489A (en) * 1998-07-06 2000-10-17 Hylsa, S.A. De C.V. Method and apparatus for reducing iron-oxides-particles having a broad range of sizes
US6224649B1 (en) 1998-07-06 2001-05-01 Hylsa, S.A. De C.V. Method and apparatus for reducing iron-oxides-particles having a broad range of sizes
EP2631305A1 (de) * 2012-07-09 2013-08-28 Siemens VAI Metals Technologies GmbH Verbund von Wirbelschichtreduktionsverfahren und Direktreduktionsverfahren
NL2036812B1 (en) 2024-01-16 2025-07-28 Renewable Iron Fuel Tech B V A method for producing iron fuel from metal oxide containing charge materials via reducing the metal oxide containing charge materials

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE571358C (de) * 1931-01-03 1933-02-28 Seidel Geb Auf einer ortsbeweglichen Saeule senkrecht verstellbar angeordnete Antriebsmaschine mit UEbersetzungsgetriebe
US2821471A (en) * 1956-12-19 1958-01-28 Texaco Development Corp Process for reduction of iron ore
US3246978A (en) * 1963-04-19 1966-04-19 Exxon Research Engineering Co Fluid bed process
US3311466A (en) * 1963-11-29 1967-03-28 Int Nickel Co Reduction of metal oxides
US3565790A (en) * 1966-04-13 1971-02-23 Eugene F Schwarzenbek Fluid powder reaction system
US3475160A (en) * 1967-02-15 1969-10-28 Exxon Research Engineering Co Method of producing reducing gases for the fluidized bed reduction of ores
IT1041142B (it) * 1975-08-05 1980-01-10 Italimpianti Spa Perfezionamento al processo di riduzione diretta id minerali di ferro in reattor a letto fluido
US4053301A (en) * 1975-10-14 1977-10-11 Hazen Research, Inc. Process for the direct production of steel
US4134907A (en) * 1977-07-21 1979-01-16 Hazen Research, Inc. Process for enhancing the fuel value of low BTU gas
US4257781A (en) * 1977-07-21 1981-03-24 Hazen Research, Inc. Process for enhancing the fuel value of low BTU gas
US4260412A (en) * 1980-01-16 1981-04-07 Midrex Corporation Method of producing direct reduced iron with fluid bed coal gasification
US4358310A (en) * 1981-02-18 1982-11-09 Midrex Corporation Dry collection of metallized fines
US5082251A (en) * 1990-03-30 1992-01-21 Fior De Venezuela Plant and process for fluidized bed reduction of ore
US5192486A (en) * 1990-03-30 1993-03-09 Fior De Venezuela Plant and process for fluidized bed reduction of ore
US5118479A (en) * 1990-08-01 1992-06-02 Iron Carbide Holdings, Limited Process for using fluidized bed reactor
AU657697B2 (en) * 1990-08-01 1995-03-23 Iron Carbide Holdings, Limited Method for controlling the conversion of iron-containing reactor feed into iron carbide
US5073194A (en) * 1990-08-01 1991-12-17 Iron Carbide Holdings, Limited Process for controlling the product quality in the conversion of reactor feed into iron carbide
US5137566A (en) * 1990-08-01 1992-08-11 Iron Carbide Holdings, Limited Process for preheating iron-containing reactor feed prior to being treated in a fluidized bed reactor
AT402937B (de) * 1992-05-22 1997-09-25 Voest Alpine Ind Anlagen Verfahren und anlage zur direktreduktion von teilchenförmigem eisenoxidhältigem material
DE4240194C1 (de) * 1992-11-30 1994-06-01 Bogdan Dipl Ing Vuletic Verfahren zur Herstellung von Roheisen aus Feinerz und Vorrichtung zu seiner Durchführung
DE4410093C1 (de) * 1994-03-24 1995-03-09 Metallgesellschaft Ag Verfahren zur Direktreduktion von Eisenoxide enthaltenden Stoffen
EP0630975B1 (de) * 1993-06-19 1997-07-23 Metallgesellschaft Ag Verfahren zur Direktreduktion von Eisenoxide enthaltenden Stoffen

Also Published As

Publication number Publication date
DE19517766A1 (de) 1996-02-15
US5431711A (en) 1995-07-11
US5529291A (en) 1996-06-25
AU680117B2 (en) 1997-07-17
AU1768295A (en) 1996-04-04

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