AR246986A1 - Method and apparatus for direct reduction of iron - Google Patents

Method and apparatus for direct reduction of iron

Info

Publication number
AR246986A1
AR246986A1 AR88310543A AR31054388A AR246986A1 AR 246986 A1 AR246986 A1 AR 246986A1 AR 88310543 A AR88310543 A AR 88310543A AR 31054388 A AR31054388 A AR 31054388A AR 246986 A1 AR246986 A1 AR 246986A1
Authority
AR
Argentina
Prior art keywords
iron
reduction
reactor
reduced
direct reduction
Prior art date
Application number
AR88310543A
Other languages
Spanish (es)
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 AR246986A1 publication Critical patent/AR246986A1/en

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
    • 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]

Abstract

METODO DE REDUCCION DIRECTA A HIERRO METALICO DE OXIDOS METALICOS QUE CONTIENEN HIERRO, COMPRENDE LAS ETAPAS DE PROPORCIONAR UN REACTOR DE REDUCCION, COLOCAR UNA PRIMERA CAPA DE HIERRO REDUCIDO DIRECTAMENTE MATERIAL (HRD) EN DICHO REACTOR DE REDUCCION, INTRODUCIR UNA CAPA DE OXIDO METALICO EN DICHO REACTOR POR ENCIMA DE DICHO MATERIAL HRD, PRECALENTAR DICHO REACTOR A LA TEMPERATURA DE REDUCCION Y A CONTINUACION SUMINISTRAR GAS NATURAL EN PRESENCIA DE UN MATERIAL QUE CONTIENE OXIGENO A DICHO MATERIAL HRD, INCLUYE SUMINISTRAR DICHO GAS NATURAL Y MATERIAL QUE CONTIENE OXIGENO A TRAVES DE DICHO MATERIAL HRD (A FIN DE GENERAR UN GAS REFORMADO RICO EN H2 Y CO QUE HACE CONTACTO CON DICHO OXIDO METALICO QUE CONTIENE HIERRO).METHOD OF DIRECT REDUCTION TO METALLIC IRON OF METALLIC OXIDES CONTAINING IRON, INCLUDES THE STAGES OF PROVIDING A REDUCTION REDUCING REACTOR, DIRECTLY MATERIAL REDUCED REDUCTION, A REDUCED METHOD OF REDUCED METHOD REACTOR ABOVE SUCH HRD MATERIAL, PREHEAT SUCH REACTOR TO THE REDUCTION TEMPERATURE AND CONTINUOUSLY SUPPLY NATURAL GAS IN THE PRESENCE OF A MATERIAL CONTAINING OXYGEN TO SUCH A MATERIAL, DIAGNESE, GIVE NATURAL MATERIAL AND OTHER (IN ORDER TO GENERATE A REFORMED GAS RICH IN H2 AND CO THAT MAKES CONTACT WITH SUCH METAL OXIDE THAT CONTAINS IRON).

AR88310543A 1987-11-02 1988-04-12 Method and apparatus for direct reduction of iron AR246986A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11591187A 1987-11-02 1987-11-02

Publications (1)

Publication Number Publication Date
AR246986A1 true AR246986A1 (en) 1994-10-31

Family

ID=22364094

Family Applications (1)

Application Number Title Priority Date Filing Date
AR88310543A AR246986A1 (en) 1987-11-02 1988-04-12 Method and apparatus for direct reduction of iron

Country Status (6)

Country Link
AR (1) AR246986A1 (en)
BR (1) BR8804025A (en)
CA (1) CA1336359C (en)
DE (1) DE3811654A1 (en)
GB (1) GB2211860B (en)
MX (1) MX167965B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5064467A (en) * 1987-11-02 1991-11-12 C.V.G. Siderurgica Del Orinoco, C.A. Method and apparatus for the direct reduction of iron
DE4041689C2 (en) * 1990-04-20 1995-11-09 Orinoco Siderurgica Process and plant for producing liquid steel from iron oxides
DE4108283A1 (en) * 1991-03-14 1992-09-17 Kortec Ag METHOD FOR PRODUCING LIQUID METAL FROM FINE-GRAIN METAL OXIDE PARTICLES, AND REDUCTION AND MELTING STOVES FOR CARRYING OUT THE METHOD
DE19634348A1 (en) 1996-08-23 1998-02-26 Arcmet Tech Gmbh Melting unit with an electric arc furnace
DE102007032419B4 (en) * 2007-07-10 2013-02-21 Outotec Oyj Process and plant for the reduction of iron oxide-containing solids

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2711368A (en) * 1949-12-01 1955-06-21 Exxon Research Engineering Co Process for reducing oxidic iron ore
DE1201377B (en) * 1961-11-23 1965-09-23 Huettenwerk Oberhausen Ag Process and plant for the production of iron sponge from iron ore in a reduction shaft using reducing gas
GB1045602A (en) * 1964-01-24 1966-10-12 Armco Steel Corp Method of reducing fine iron ore in a fluidized-solids reactor
US3375099A (en) * 1964-06-30 1968-03-26 Armco Steel Corp Production of iron from pelletized iron ores
US3375098A (en) * 1964-07-22 1968-03-26 Armco Steel Corp Gaseous reduction of iron ores
DE1433383A1 (en) * 1964-07-28 1969-05-08 Schenk Dr Ing Dr Ing E H Herma Process for the heat treatment of iron ore, in particular iron ore pellets
US3764123A (en) * 1970-06-29 1973-10-09 Midland Ross Corp Method of and apparatus for reducing iron oxide to metallic iron
BE791243A (en) * 1971-12-23 1973-05-10 Texaco Development Corp PROCESS FOR PRODUCING A REDUCING GAS MIXTURE
US3985548A (en) * 1972-05-30 1976-10-12 Leas Brothers Development Corporation Direct metal reduction from coal
US3827879A (en) * 1973-02-22 1974-08-06 Fierro Esponja Method for the gaseous reduction of metal ores
US4046557A (en) * 1975-09-08 1977-09-06 Midrex Corporation Method for producing metallic iron particles
US4054444A (en) * 1975-09-22 1977-10-18 Midrex Corporation Method for controlling the carbon content of directly reduced iron
JPS5847449B2 (en) * 1978-04-10 1983-10-22 株式会社神戸製鋼所 direct iron making method
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
US4246024A (en) * 1979-10-31 1981-01-20 Grupo Industrial Alfa, S.A. Method for the gaseous reduction of metal ores using reducing gas produced by gasification of solid or liquid fossil fuels
MX156697A (en) * 1982-05-12 1988-09-27 Hylsa Sa IMPROVED METHOD FOR THE DIRECT REDUCTION OF IRON MINERALS
US4528030A (en) * 1983-05-16 1985-07-09 Hylsa, S.A. Method of reducing iron ore
US4556417A (en) * 1983-05-17 1985-12-03 Hylsa, S.A. Process for the direct reduction of iron ores

Also Published As

Publication number Publication date
BR8804025A (en) 1989-05-23
DE3811654C2 (en) 1992-08-20
DE3811654A1 (en) 1989-05-18
GB8808853D0 (en) 1988-05-18
MX167965B (en) 1993-04-26
GB2211860B (en) 1991-08-21
CA1336359C (en) 1995-07-25
GB2211860A (en) 1989-07-12

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