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BR9101501A - Processo para a producao de aco liquido a partir de oxidos de metal contendo ferro - Google Patents

Processo para a producao de aco liquido a partir de oxidos de metal contendo ferro

Info

Publication number
BR9101501A
BR9101501A BR919101501A BR9101501A BR9101501A BR 9101501 A BR9101501 A BR 9101501A BR 919101501 A BR919101501 A BR 919101501A BR 9101501 A BR9101501 A BR 9101501A BR 9101501 A BR9101501 A BR 9101501A
Authority
BR
Brazil
Prior art keywords
production
metal oxides
containing iron
liquid steel
oxides containing
Prior art date
Application number
BR919101501A
Other languages
English (en)
Inventor
G Dam G Oscar
R Bueno C Henry
A Contreras L Gerardo
Gancthev V Yura
O Guervara R Nicolas
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24038175&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9101501(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US07/512,216 external-priority patent/US5069716A/en
Application filed by Orinoco Siderurgica filed Critical Orinoco Siderurgica
Publication of BR9101501A publication Critical patent/BR9101501A/pt

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
    • C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Iron (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
BR919101501A 1990-04-20 1991-04-12 Processo para a producao de aco liquido a partir de oxidos de metal contendo ferro BR9101501A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/512,216 US5069716A (en) 1989-12-22 1990-04-20 Process for the production of liquid steel from iron containing metal oxides

Publications (1)

Publication Number Publication Date
BR9101501A true BR9101501A (pt) 1991-12-03

Family

ID=24038175

Family Applications (1)

Application Number Title Priority Date Filing Date
BR919101501A BR9101501A (pt) 1990-04-20 1991-04-12 Processo para a producao de aco liquido a partir de oxidos de metal contendo ferro

Country Status (4)

Country Link
BR (1) BR9101501A (pt)
CA (1) CA2039940A1 (pt)
DE (1) DE4041689C2 (pt)
GB (1) GB2243840B (pt)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE4224055C1 (de) * 1992-07-21 1993-12-16 Koeppern & Co Kg Maschf Verfahren zur Herstellung von Stahl
GB2281311B (en) * 1993-03-29 1996-09-04 Boc Group Plc Metallurgical processes and apparatus
DE19525270C2 (de) * 1994-07-13 1999-08-26 Int Steel Ind Engineering Co Verfahren zur Gewinnung von Roheisen aus Eisenoxiden
AT405186B (de) * 1994-10-17 1999-06-25 Voest Alpine Ind Anlagen Anlage und verfahren zur herstellung von roheisen und/oder eisenschwamm
US5702246A (en) * 1996-02-22 1997-12-30 Xera Technologies Ltd. Shaft furnace for direct reduction of oxides
AT406270B (de) 1997-12-05 2000-03-27 Voest Alpine Ind Anlagen Verfahren und anlage zum reduzieren von metalloxidhältigem material
AT407400B (de) * 1998-10-07 2001-02-26 Voest Alpine Ind Anlagen Verfahren und anlage zum herstellen von eisen, insbesondere stahl
IT1302814B1 (it) * 1998-12-11 2000-09-29 Danieli & C Ohg Sp Procedimento e relativo impianto integrato per la produzionedi acciaio mediante riduzione diretta di ossidi di ferro
ITMI20060158A1 (it) * 2006-01-31 2007-08-01 Danieli Off Mecc Processo ed impianto di riduzione
AT505401B1 (de) * 2008-02-15 2009-01-15 Siemens Vai Metals Tech Gmbh Verfahren zum erschmelzen von roheisen unter rückführung von gichtgas unter zusatz von kohlenwasserstoffen

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3905806A (en) * 1973-02-20 1975-09-16 Armco Steel Corp Method for the direct reduction of iron ores
US4201571A (en) * 1978-08-15 1980-05-06 Midrex Corporation Method for the direct reduction of iron and production of fuel gas using gas from coal
US4412858A (en) * 1982-07-12 1983-11-01 Hylsa, S.A. Method of converting iron ore into molten iron
US4585476A (en) * 1984-05-09 1986-04-29 Instituto Mexicano De Investigaciones Siderurgicas Method for producing liquid steel from iron ore
DE3439070A1 (de) * 1984-10-25 1986-05-07 Klöckner-Humboldt-Deutz AG, 5000 Köln Verfahren und vorrichtung zur kontinuierlichen herstellung von roheisen und energiehaltigem heissgas aus feinkoernigen eisenerzen und kohlenstofftraegern
DE3713630A1 (de) * 1987-04-23 1988-11-17 Voest Alpine Ag Huettenwerk und verfahren zur erzeugung von stahl
CA1336359C (en) * 1987-11-02 1995-07-25 Corporacion Venezolana De Guayana (Cvg) Method and apparatus for the direct reduction of iron

Also Published As

Publication number Publication date
CA2039940A1 (en) 1991-10-21
DE4041689A1 (de) 1991-10-24
GB9106258D0 (en) 1991-05-08
DE4041689C2 (de) 1995-11-09
GB2243840B (en) 1994-03-16
GB2243840A (en) 1991-11-13

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Legal Events

Date Code Title Description
EE Request for examination
FD3 Appl. lapsed due to non-payment of renewal fee