MX167965B - Metodo y aparato para la reduccion directa de hierro - Google Patents
Metodo y aparato para la reduccion directa de hierroInfo
- Publication number
- MX167965B MX167965B MX011196A MX1119688A MX167965B MX 167965 B MX167965 B MX 167965B MX 011196 A MX011196 A MX 011196A MX 1119688 A MX1119688 A MX 1119688A MX 167965 B MX167965 B MX 167965B
- Authority
- MX
- Mexico
- Prior art keywords
- reactor
- iron
- reduction
- hrd
- direct reduction
- Prior art date
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]
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Iron (AREA)
- Catalysts (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
La presente invención se refiere a método de reducción directa a hierro metálico de óxidos metálicos que contienen hierro, caracterizado porque comprende las etapas de proporcionar un reactor de reducción, colocar una primera capa de hierro reducido directamente material (HRD) en dicho reactor de reducción, introducir una capa de óxido metálico en dicho reactor por encima de dicho material HRD, precalentar dicho reactor a la temperatura de reducción y a continuación suministrar gas natural en presencia de un material que contiene oxígeno a dicho material HRD.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11591187A | 1987-11-25 | 1987-11-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
MX167965B true MX167965B (es) | 1993-04-26 |
Family
ID=22364094
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX011196A MX167965B (es) | 1987-11-02 | 1988-04-21 | Metodo y aparato para la reduccion directa de hierro |
Country Status (6)
Country | Link |
---|---|
AR (1) | AR246986A1 (es) |
BR (1) | BR8804025A (es) |
CA (1) | CA1336359C (es) |
DE (1) | DE3811654A1 (es) |
GB (1) | GB2211860B (es) |
MX (1) | MX167965B (es) |
Families Citing this family (5)
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 (de) * | 1990-04-20 | 1995-11-09 | Orinoco Siderurgica | Verfahren und Anlage zum Herstellen von flüssigem Stahl aus Eisenoxiden |
DE4108283A1 (de) * | 1991-03-14 | 1992-09-17 | Kortec Ag | Verfahren zum herstellen von fluessigem metall aus feinkoernigen metalloxidpartikeln und reduktions- und schmelzofen zur durchfuehrung des verfahrens |
DE19634348A1 (de) | 1996-08-23 | 1998-02-26 | Arcmet Tech Gmbh | Einschmelzaggregat mit einem Lichtbogenofen |
DE102007032419B4 (de) * | 2007-07-10 | 2013-02-21 | Outotec Oyj | Verfahren und Anlage zur Reduktion von eisenoxidhaltigen Feststoffen |
Family Cites Families (19)
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 (de) * | 1961-11-23 | 1965-09-23 | Huettenwerk Oberhausen Ag | Verfahren und Anlage zur Herstellung von Eisen-schwamm aus Eisenerz in einem Reduktions-schacht mittels Reduktionsgas |
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 (de) * | 1964-07-28 | 1969-05-08 | Schenk Dr Ing Dr Ing E H Herma | Verfahren zum Waermebehandeln von Eisenerz,insbesondere Eisenerz-Pellets |
US3764123A (en) * | 1970-06-29 | 1973-10-09 | Midland Ross Corp | Method of and apparatus for reducing iron oxide to metallic iron |
BE791243A (fr) * | 1971-12-23 | 1973-05-10 | Texaco Development Corp | Procede de production d'un melange gazeux reducteur |
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 (ja) * | 1978-04-10 | 1983-10-22 | 株式会社神戸製鋼所 | 直接製鉄法 |
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 (es) * | 1982-05-12 | 1988-09-27 | Hylsa Sa | Metodo mejorado para la reduccion directa de minerales de hierro |
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 |
-
1988
- 1988-03-31 CA CA000563007A patent/CA1336359C/en not_active Expired - Fee Related
- 1988-04-07 DE DE3811654A patent/DE3811654A1/de active Granted
- 1988-04-12 AR AR88310543A patent/AR246986A1/es active
- 1988-04-14 GB GB8808853A patent/GB2211860B/en not_active Expired - Lifetime
- 1988-04-21 MX MX011196A patent/MX167965B/es unknown
- 1988-07-29 BR BR8804025A patent/BR8804025A/pt active Search and Examination
Also Published As
Publication number | Publication date |
---|---|
GB2211860A (en) | 1989-07-12 |
GB2211860B (en) | 1991-08-21 |
BR8804025A (pt) | 1989-05-23 |
CA1336359C (en) | 1995-07-25 |
DE3811654A1 (de) | 1989-05-18 |
GB8808853D0 (en) | 1988-05-18 |
AR246986A1 (es) | 1994-10-31 |
DE3811654C2 (es) | 1992-08-20 |
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