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AR247592A1 - Un proceso para obtener hierro metalico por reduccion directa de oxidos metalicos que contienen hierro - Google Patents

Un proceso para obtener hierro metalico por reduccion directa de oxidos metalicos que contienen hierro

Info

Publication number
AR247592A1
AR247592A1 AR31678490A AR31678490A AR247592A1 AR 247592 A1 AR247592 A1 AR 247592A1 AR 31678490 A AR31678490 A AR 31678490A AR 31678490 A AR31678490 A AR 31678490A AR 247592 A1 AR247592 A1 AR 247592A1
Authority
AR
Argentina
Prior art keywords
iron
mixture
direct reduction
gases
oxidation
Prior art date
Application number
AR31678490A
Other languages
English (en)
Original Assignee
Orinoco Siderurgica
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 Orinoco Siderurgica filed Critical Orinoco Siderurgica
Application granted granted Critical
Publication of AR247592A1 publication Critical patent/AR247592A1/es

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
    • C21B13/04—Making spongy iron or liquid steel, by direct processes in retorts
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Iron (AREA)
  • Hydrogen, Water And Hydrids (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

UN PROCESO PARA OBTENER HIERRO METALICO POR REDUCCION DIRECTA DE OXIDOS METALICOS QUE CONTIENEN HIERRO, EN LECHO DESCENDENTE Y CON UNA MEZCLA REFORMADA DE GASES COMO AGENTES REDUCTOR, DONDE LA REDUCCION DE OXIDOS METALICOS QUE CONTIENEN HIERRO SE HACE CON UNA MEZCLA DE GASES QUE COMPRENDE GAS PRIMARIO RECICLADO, AIRE Y GAS NATURAL, PARCIALMENTE QUEMADO, CON UN GRADO DE OXIDACION DE 0, 27 A 0, 32 Y UNA POTENCIA REDUCTORA DE 2 A 3, ALIMENTANDOSE DICHA MEZCLA DE GASES A LA ZONA DE REACCION DE DICHO LECHO DESCENDENTE, PARA FORMAR IN SITU DICHA MEZCLA DE GASES REFORMADA, RICA EN H2 Y EN CO CON UN GRADO DE OXIDACION DE 0, 05 A 0, 09.
AR31678490A 1989-12-22 1990-05-04 Un proceso para obtener hierro metalico por reduccion directa de oxidos metalicos que contienen hierro AR247592A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/455,232 US5064467A (en) 1987-11-02 1989-12-22 Method and apparatus for the direct reduction of iron

Publications (1)

Publication Number Publication Date
AR247592A1 true AR247592A1 (es) 1995-01-31

Family

ID=23807962

Family Applications (1)

Application Number Title Priority Date Filing Date
AR31678490A AR247592A1 (es) 1989-12-22 1990-05-04 Un proceso para obtener hierro metalico por reduccion directa de oxidos metalicos que contienen hierro

Country Status (8)

Country Link
US (1) US5064467A (es)
JP (1) JPH0788525B2 (es)
AR (1) AR247592A1 (es)
BR (1) BR9003744A (es)
CA (1) CA2014308C (es)
DE (1) DE4025320C3 (es)
GB (1) GB2239261B (es)
MX (1) MX164566B (es)

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US5078788A (en) * 1989-12-22 1992-01-07 C.V.G. Siderurgica Del Orinoco, C.A. Method for the direct reduction of iron
CA2090906A1 (en) * 1992-03-05 1993-09-06 Corporacion Venezolana De Guayana (Cvg) Method for improving quality of reforming gas used in the direct reduction of metal oxides
US5387274A (en) * 1993-11-15 1995-02-07 C.V.G. Siderurgica Del Orinoco, C.A. Process for the production of iron carbide
DE19525270C2 (de) * 1994-07-13 1999-08-26 Int Steel Ind Engineering Co Verfahren zur Gewinnung von Roheisen aus Eisenoxiden
US5912400A (en) * 1997-12-02 1999-06-15 Brifer International Ltd. Method for reforming reducing gas in a fluidized bed process for reduction of ore
US6045769A (en) * 1997-12-08 2000-04-04 Nanogram Corporation Process for carbon production
GB2342360B (en) 1998-08-03 2002-10-09 Hatch Ass Ltd Shaft furnace for direct reduction of iron bearing pellets or lump iron ore
US6152984A (en) * 1998-09-10 2000-11-28 Praxair Technology, Inc. Integrated direct reduction iron system
AT409971B (de) * 1998-11-19 2002-12-27 Internat Briquettes Holding Verfahren und schachtofen zur direktreduktion von oxiden
AT505490B1 (de) 2007-06-28 2009-12-15 Siemens Vai Metals Tech Gmbh Verfahren und vorrichtung zur erzeugung von eisenschwamm
CA2722708C (en) * 2008-06-02 2019-04-23 Exxonmobil Upstream Research Company Monetizing remote gas using high energy materials
WO2010028459A1 (en) * 2008-09-15 2010-03-18 Austpac Resources N.L. Direct reduction
US8771638B2 (en) 2009-04-20 2014-07-08 Midrex Technologies, Inc. Method and apparatus for sequestering carbon dioxide from a spent gas
AP3173A (en) * 2009-04-20 2015-03-31 Midrex Technologies Inc Method and apparatus for sequestering carbon from a spent gas
AT508522B1 (de) * 2009-07-31 2011-04-15 Siemens Vai Metals Tech Gmbh Reformergasbasiertes reduktionsverfahren mit vermindertem nox-ausstoss
US9273368B2 (en) 2011-07-26 2016-03-01 Hatch Ltd. Process for direct reduction of iron oxide
CN102851426A (zh) * 2012-10-09 2013-01-02 中冶赛迪工程技术股份有限公司 一种利用富ch4煤气生产海绵铁的直接还原工艺
US10065857B2 (en) 2013-03-12 2018-09-04 Midrex Technologies, Inc. Systems and methods for generating carbon dioxide for use as a reforming oxidant in making syngas or reformed gas
KR101550893B1 (ko) * 2013-12-10 2015-09-18 주식회사 포스코 용철제조방법 및 용철제조장치
CN104017923A (zh) * 2014-06-18 2014-09-03 汪春雷 一种炼铁法和炼铁炉系统
JP6135620B2 (ja) * 2014-08-22 2017-05-31 Ｊｆｅスチール株式会社 炭化水素の二酸化炭素改質方法
DE102021112208A1 (de) 2021-05-11 2022-11-17 Thyssenkrupp Steel Europe Ag Verfahren zur Direktreduktion von Eisenerz
CN114807486A (zh) * 2022-03-31 2022-07-29 中晋冶金科技有限公司 一种co2氧化耦合ch4转化制氢基竖炉还原气的方法及装置
CN114774611A (zh) * 2022-03-31 2022-07-22 中晋冶金科技有限公司 富氢气体co2氧化转化及氢基竖炉直接还原铁生产方法
WO2025154403A1 (ja) * 2024-01-17 2025-07-24 日本製鉄株式会社 還元鉄の製造方法

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CA534830A (en) * 1956-12-25 K. Lewis Warren Process for reducing oxidic iron ore
US2900247A (en) * 1957-08-05 1959-08-18 Fierro Espouja Sa Method of making sponge iron
FR1268478A (fr) * 1960-04-13 1961-08-04 Renault Procédé de réduction directe du minerai de fer en fer pulvérulent par réducteurs gazeux et appareillage pour la mise en oeuvre de ce procédé
US3210180A (en) * 1962-12-03 1965-10-05 Dorr Oliver Inc Temperature control of iron ore reducing fluidized beds
US3303017A (en) * 1963-11-14 1967-02-07 Exxon Research Engineering Co Metal treating process
US3375098A (en) * 1964-07-22 1968-03-26 Armco Steel Corp Gaseous reduction of iron ores
US3607225A (en) * 1965-06-22 1971-09-21 Inst Cercetari Metalurgice Process and apparatus for the direct reduction of iron ores
US3364011A (en) * 1966-02-23 1968-01-16 Exxon Research Engineering Co Process for the production of iron by the direct reduction of iron oxide ore
US3562780A (en) * 1967-09-05 1971-02-09 Exxon Research Engineering Co Temperature control of iron ore reducing fluidized beds
US3936296A (en) * 1970-02-25 1976-02-03 Campbell Donald L Integrated fluidized reduction and melting of iron ores
US3635456A (en) * 1970-04-29 1972-01-18 Dravo Corp Apparatus for direct reduction of iron oxide compacts
GB1347785A (en) * 1970-07-15 1974-02-27 Fierro Esponja Method of reducing particulate metal ores
GB1360988A (en) * 1970-09-22 1974-07-24 Nixon I G Partial combustion burners
BE791660A (fr) * 1971-11-22 1973-05-21 Fierro Esponja Procede et appareil de reduction de minerai divise
US3827879A (en) * 1973-02-22 1974-08-06 Fierro Esponja Method for the gaseous reduction of metal ores
DE2401909C3 (de) * 1974-01-16 1985-06-27 Fried. Krupp Gmbh, 4300 Essen Verfahren zur Herstellung von Stahl
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US4261734A (en) * 1979-09-04 1981-04-14 Hylsa, S.A. Method of making sponge iron
US4253867A (en) * 1979-10-15 1981-03-03 Hylsa, S.A. Method of using a methane-containing gas for reducing iron ore
US4439233A (en) * 1983-05-09 1984-03-27 Midrex Corporation Direct reduction of iron
US4880458A (en) * 1983-05-16 1989-11-14 Hylsa, S.A. De C.V. Start-up method for a direct reduction process without an external reformer
US4668284A (en) * 1983-05-16 1987-05-26 Hylsa, S.A. Method of reducing iron ore
US4528030A (en) * 1983-05-16 1985-07-09 Hylsa, S.A. Method of reducing iron ore
DE3318005C2 (de) * 1983-05-18 1986-02-20 Klöckner CRA Technologie GmbH, 4100 Duisburg Verfahren zur Eisenherstellung
CA1336359C (en) * 1987-11-02 1995-07-25 Corporacion Venezolana De Guayana (Cvg) Method and apparatus for the direct reduction of iron
US4940488C2 (en) * 1987-12-07 2002-06-18 Kawasaki Heavy Ind Ltd Method of smelting reduction of ores containing metal oxides
JPH0246646B2 (ja) * 1988-04-15 1990-10-16 Shii Bui Jii Shiderurujishia Deru Orinoko Shii Ee Kinzokusankabutsuochokusetsukangensuruhohotosochi
DE3835332A1 (de) * 1988-10-17 1990-04-19 Ralph Weber Verfahren zur herstellung von stahl aus feinerz

Also Published As

Publication number Publication date
GB2239261A (en) 1991-06-26
CA2014308A1 (en) 1991-06-22
GB9008415D0 (en) 1990-06-13
MX164566B (es) 1992-08-31
US5064467A (en) 1991-11-12
DE4025320C2 (de) 1994-02-24
JPH0788525B2 (ja) 1995-09-27
JPH03274213A (ja) 1991-12-05
CA2014308C (en) 1998-12-15
DE4025320C3 (de) 1999-07-15
GB2239261B (en) 1994-01-19
BR9003744A (pt) 1991-09-03
DE4025320A1 (de) 1991-07-11

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