GB2243840B - Process for the production of liquid steel from iron-containing metal oxides - Google Patents

Process for the production of liquid steel from iron-containing metal oxides

Info

Publication number
GB2243840B
GB2243840B GB9106258A GB9106258A GB2243840B GB 2243840 B GB2243840 B GB 2243840B GB 9106258 A GB9106258 A GB 9106258A GB 9106258 A GB9106258 A GB 9106258A GB 2243840 B GB2243840 B GB 2243840B
Authority
GB
United Kingdom
Prior art keywords
iron
production
metal oxides
containing metal
liquid steel
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
GB9106258A
Other versions
GB9106258D0 (en
GB2243840A (en
Inventor
G Oscar G Dam
C Henry R Bueno
L Gerardo A Contreras
V Yura V Gancthev
R Nicholas O Guevara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ORINOCO SIDERURGICA
C V G Siderurgica del Orinoco CA
Original Assignee
ORINOCO SIDERURGICA
C V G Siderurgica del Orinoco CA
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=GB2243840(B) "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, C V G Siderurgica del Orinoco CA filed Critical ORINOCO SIDERURGICA
Publication of GB9106258D0 publication Critical patent/GB9106258D0/en
Publication of GB2243840A publication Critical patent/GB2243840A/en
Application granted granted Critical
Publication of GB2243840B publication Critical patent/GB2243840B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
GB9106258A 1990-04-20 1991-03-25 Process for the production of liquid steel from iron-containing metal oxides Expired - Fee Related GB2243840B (en)

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 (3)

Publication Number Publication Date
GB9106258D0 GB9106258D0 (en) 1991-05-08
GB2243840A GB2243840A (en) 1991-11-13
GB2243840B true GB2243840B (en) 1994-03-16

Family

ID=24038175

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9106258A Expired - Fee Related GB2243840B (en) 1990-04-20 1991-03-25 Process for the production of liquid steel from iron-containing metal oxides

Country Status (4)

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

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 (en) * 1992-07-21 1993-12-16 Koeppern & Co Kg Maschf Redn. of iron@ ore into solid metallised ferrous prod. - moves ferrous sludge briquettes with min. heat loss to the refining vessel to save energy consumption
GB2281311B (en) * 1993-03-29 1996-09-04 Boc Group Plc Metallurgical processes and apparatus
DE19525270C2 (en) * 1994-07-13 1999-08-26 Int Steel Ind Engineering Co Process for the production of pig iron from iron oxides
AT405186B (en) * 1994-10-17 1999-06-25 Voest Alpine Ind Anlagen INSTALLATION AND METHOD FOR THE PRODUCTION OF RAW IRON AND / OR IRON SPONGE
US5702246A (en) * 1996-02-22 1997-12-30 Xera Technologies Ltd. Shaft furnace for direct reduction of oxides
AT406270B (en) 1997-12-05 2000-03-27 Voest Alpine Ind Anlagen METHOD AND SYSTEM FOR REDUCING METAL OXIDE CONTAINING MATERIAL
AT407400B (en) * 1998-10-07 2001-02-26 Voest Alpine Ind Anlagen METHOD AND INSTALLATION FOR PRODUCING IRON, IN PARTICULAR STEEL
IT1302814B1 (en) * 1998-12-11 2000-09-29 Danieli & C Ohg Sp PROCEDURE AND RELATED INTEGRATED PLANT FOR THE PRODUCTION OF STEEL BY DIRECT REDUCTION OF IRON OXIDES
ITMI20060158A1 (en) * 2006-01-31 2007-08-01 Danieli Off Mecc PROCESS AND REDUCTION PLANT
AT505401B1 (en) 2008-02-15 2009-01-15 Siemens Vai Metals Tech Gmbh PROCESS FOR THE MELTING OF CRUDE IRON WITH THE RETURN OF GAS GAS WITH THE ADDITION OF HYDROCARBONS

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1455190A (en) * 1973-02-20 1976-11-10 Armco Steel Corp Method and apparatus 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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (en) * 1984-10-25 1986-05-07 Klöckner-Humboldt-Deutz AG, 5000 Köln Process and equipment for the continuous production of crude iron and energy-bearing hot gas from fine-grained iron ores and carbon carriers
DE3713630A1 (en) * 1987-04-23 1988-11-17 Voest Alpine Ag Metallurgical plant and process for the manufacture of steel
CA1336359C (en) * 1987-11-02 1995-07-25 Corporacion Venezolana De Guayana (Cvg) Method and apparatus for the direct reduction of iron

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1455190A (en) * 1973-02-20 1976-11-10 Armco Steel Corp Method and apparatus 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

Also Published As

Publication number Publication date
DE4041689A1 (en) 1991-10-24
BR9101501A (en) 1991-12-03
CA2039940A1 (en) 1991-10-21
DE4041689C2 (en) 1995-11-09
GB9106258D0 (en) 1991-05-08
GB2243840A (en) 1991-11-13

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20020325