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ATA160296A - Verfahren und vorrichtung zur direktreduktion von eisenoxid-feinstoffen - Google Patents

Verfahren und vorrichtung zur direktreduktion von eisenoxid-feinstoffen

Info

Publication number
ATA160296A
ATA160296A AT0160296A AT160296A ATA160296A AT A160296 A ATA160296 A AT A160296A AT 0160296 A AT0160296 A AT 0160296A AT 160296 A AT160296 A AT 160296A AT A160296 A ATA160296 A AT A160296A
Authority
AT
Austria
Prior art keywords
iron oxide
fine iron
directly reducing
reducing fine
directly
Prior art date
Application number
AT0160296A
Other languages
English (en)
Original Assignee
Midrex Direct Reduction Corp
Kobe Steel 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 Midrex Direct Reduction Corp, Kobe Steel Ltd filed Critical Midrex Direct Reduction Corp
Publication of ATA160296A publication Critical patent/ATA160296A/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
    • C21B13/0046—Making spongy iron or liquid steel, by direct processes making metallised agglomerates or iron oxide
    • 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
    • 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
    • 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
    • Y02P10/122—Reduction of greenhouse gas [GHG] emissions by capturing or storing CO2
    • 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)
  • Manufacture And Refinement Of Metals (AREA)
AT0160296A 1995-09-13 1996-09-10 Verfahren und vorrichtung zur direktreduktion von eisenoxid-feinstoffen ATA160296A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/527,772 US5674308A (en) 1994-08-12 1995-09-13 Spouted bed circulating fluidized bed direct reduction system and method

Publications (1)

Publication Number Publication Date
ATA160296A true ATA160296A (de) 2000-05-15

Family

ID=24102864

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0160296A ATA160296A (de) 1995-09-13 1996-09-10 Verfahren und vorrichtung zur direktreduktion von eisenoxid-feinstoffen

Country Status (5)

Country Link
US (1) US5674308A (de)
AT (1) ATA160296A (de)
AU (1) AU693715B2 (de)
CA (1) CA2185248A1 (de)
DE (1) DE19637180C2 (de)

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UA42803C2 (uk) * 1995-10-10 2001-11-15 Фоест-Альпіне Індустріанлагенбау Гмбх Спосіб прямого відновлення дрібнозернистого матеріалу у формі часток, що містить оксид заліза, та установка для здійснення цього способу
US6793899B2 (en) * 1998-10-29 2004-09-21 Massachusetts Institute Of Technology Plasmatron-catalyst system
AT407530B (de) * 1999-07-29 2001-04-25 Voest Alpine Ind Anlagen Verfahren zum ausbringen von feinteilchenförmigem material aus einem wirbelbett
AT407879B (de) * 1999-10-28 2001-07-25 Voest Alpine Ind Anlagen Verfahren zur direktreduktion eisenoxidhältigen materials
DE19960575A1 (de) * 1999-12-15 2001-06-21 Krupp Polysius Ag Verfahren und Anlage zur Reduktion von Feinerzen
US20050084434A1 (en) * 2003-10-20 2005-04-21 Enviroserve Associates, L.L.C. Scrubbing systems and methods for coal fired combustion units
FR2883773B1 (fr) * 2005-04-01 2007-05-11 Alstom Sa Dispositif de combustion produisant de l'hydrogene avec reutilisation de co2 capte
WO2007027998A2 (en) * 2005-08-30 2007-03-08 E. I. Du Pont De Nemours And Company Ore reduction process and titanium oxide and iron metallization product
US8372179B2 (en) * 2007-10-15 2013-02-12 E I Du Pont De Nemours And Company Ore reduction process using carbon based materials having a low sulfur content and titanium oxide and iron metallization product therefrom
JP5308794B2 (ja) * 2007-12-11 2013-10-09 住友化学株式会社 噴流層装置を用いたポリオレフィン製造方法
JP5308795B2 (ja) * 2007-12-11 2013-10-09 住友化学株式会社 ポリオレフィン製造方法、並びに、噴流層装置を備えたポリオレフィン製造システム
JP5427396B2 (ja) * 2007-12-11 2014-02-26 住友化学株式会社 粉体移送装置、及び、ポリオレフィンの製造方法
JP5249730B2 (ja) * 2007-12-11 2013-07-31 住友化学株式会社 オレフィン重合反応装置及びポリオレフィン製造方法
JP5308797B2 (ja) * 2007-12-11 2013-10-09 住友化学株式会社 オレフィン重合反応装置、ポリオレフィン製造システム、及び、ポリオレフィン製造方法
JP5545800B2 (ja) * 2009-06-08 2014-07-09 住友化学株式会社 噴流−流動層型オレフィン重合反応装置、ポリオレフィン製造システム、及び、ポリオレフィン製造方法
AT508930B1 (de) 2010-03-04 2011-05-15 Siemens Vai Metals Tech Gmbh Verfahren und vorrichtung zur herstellung von presslingen
EP2631305A1 (de) * 2012-07-09 2013-08-28 Siemens VAI Metals Technologies GmbH Verbund von Wirbelschichtreduktionsverfahren und Direktreduktionsverfahren
CN103725819B (zh) * 2013-12-31 2015-06-03 中国科学院过程工程研究所 一种铁矿粉流态化还原系统及方法
CN103695588B (zh) * 2013-12-31 2015-04-01 中国科学院过程工程研究所 一种流化床还原粉状铁矿石的系统和方法
CN103667571B (zh) 2013-12-31 2015-06-03 中国科学院过程工程研究所 一种铁精矿粉体流态化直接还原的系统及方法
JP6902337B2 (ja) 2016-08-03 2021-07-14 住友化学株式会社 ヘテロファジックプロピレン重合材料の製造方法
CN115341065B (zh) * 2021-05-14 2023-08-11 宝山钢铁股份有限公司 一种碳排放低于零的热压铁块生产方法
CN116064987A (zh) * 2023-01-05 2023-05-05 唐山精研实业有限责任公司 利用粘结效应的铁矿流化床熔融还原装置及还原方法

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US2481217A (en) * 1947-06-03 1949-09-06 Standard Oil Dev Co Process for a two-stage gaseous reduction of iron ore
US2864686A (en) * 1955-12-15 1958-12-16 United States Steel Corp Method of treating iron oxide fines
US2821471A (en) * 1956-12-19 1958-01-28 Texaco Development Corp Process for reduction of iron ore
US3020149A (en) * 1959-04-08 1962-02-06 Little Inc A Beneficiation of ores
US3257198A (en) * 1962-12-21 1966-06-21 Hydrocarbon Research Inc Beneficiation of ore
US3246978A (en) * 1963-04-19 1966-04-19 Exxon Research Engineering Co Fluid bed process
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US3311466A (en) * 1963-11-29 1967-03-28 Int Nickel Co Reduction of metal oxides
US3251678A (en) * 1964-11-25 1966-05-17 Exxon Research Engineering Co Fluid bed process
US3295956A (en) * 1965-08-30 1967-01-03 Texaco Inc Ore reduction
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
US3591363A (en) * 1967-12-28 1971-07-06 Exxon Research Engineering Co Radiant heated iron ore reduction process
US3944413A (en) * 1972-09-15 1976-03-16 Hydrocarbon Research, Inc. Direct reduction of metallic oxides
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
DE2655813B2 (de) * 1976-12-09 1980-10-23 Kloeckner-Humboldt-Deutz Ag, 5000 Koeln Verfahren und Anlage zur direkten und kontinuierlichen Gewinnung von Eisen
US4257781A (en) * 1977-07-21 1981-03-24 Hazen Research, Inc. Process for enhancing the fuel value of low BTU gas
US4134907A (en) * 1977-07-21 1979-01-16 Hazen Research, Inc. Process for enhancing the fuel value of low BTU gas
FR2456780A1 (fr) * 1979-04-26 1980-12-12 Hylsa Sa Procede de fabrication de metal spongieux par reduction discontinue d'oxydes metalliques
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
US4428772A (en) * 1981-12-02 1984-01-31 Hylsa, S.A. Method for reducing metal ore
DE3626027A1 (de) * 1986-08-01 1988-02-11 Metallgesellschaft Ag Verfahren zur reduktion feinkoerniger, eisenhaltiger materialien mit festen kohlenstoffhaltigen reduktionsmitteln
US5192486A (en) * 1990-03-30 1993-03-09 Fior De Venezuela Plant and process for fluidized bed reduction of ore
US5082251A (en) * 1990-03-30 1992-01-21 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
DE69130827D1 (de) * 1990-08-01 1999-03-11 Iron Carbide Holdings Ltd Verfahren zur kontrolle der umwandlung von eisenhaltiger reaktorzufuhr in eisenkarbid
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
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
AT402937B (de) * 1992-05-22 1997-09-25 Voest Alpine Ind Anlagen Verfahren und anlage zur direktreduktion von teilchenförmigem eisenoxidhältigem material
US5185032A (en) * 1992-05-26 1993-02-09 Fior De Venezuela Process for fluidized bed direct steelmaking
DE4233140A1 (de) * 1992-10-02 1994-04-07 Metallgesellschaft Ag Verfahren zur Reduktion von feinkörnigen eisenoxidhaltigen Stoffen durch Gasreduktion
DE4307484A1 (de) * 1993-03-10 1994-09-15 Metallgesellschaft Ag Verfahren zur Direktreduktion von eisenoxidhaltigen Materialien mit festen kohlenstoffhaltigen Reduktionsmitteln
US5370727A (en) * 1993-04-19 1994-12-06 Fior De Venezuela Fluidized process for direct reduction
DE59403432D1 (de) * 1993-06-19 1997-08-28 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
DE4437549C2 (de) * 1994-10-20 1996-08-08 Metallgesellschaft Ag Verfahren zur Herstellung von metallischem Eisen aus feinkörnigem Eisenerz
US5431711A (en) * 1994-08-12 1995-07-11 Midrex International B.V. Rotterdam, Zurich Branch Circulating fluidized bed direct reduction system
US5435831A (en) * 1994-08-12 1995-07-25 Midrex International B.V. Rotterdam, Zurich Branch Circulating fluidizable bed co-processing of fines in a direct reduction system

Also Published As

Publication number Publication date
AU6434696A (en) 1997-03-20
AU693715B2 (en) 1998-07-02
DE19637180C2 (de) 1999-06-10
DE19637180A1 (de) 1997-03-20
US5674308A (en) 1997-10-07
CA2185248A1 (en) 1997-03-14

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties
A1Z Withdrawn