BR9101501A - PROCESS FOR THE PRODUCTION OF LIQUID STEEL FROM METAL OXIDES CONTAINING IRON - Google Patents

PROCESS FOR THE PRODUCTION OF LIQUID STEEL FROM METAL OXIDES CONTAINING IRON

Info

Publication number: BR9101501A
Authority: BR; Brazil
Prior art keywords: production; metal oxides; containing iron; liquid steel; oxides containing
Prior art date: 1990-04-20

Application number

BR919101501A

Other languages

Portuguese (pt)

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.)

1990-04-20

Filing date

1991-04-12

Publication date

1991-12-03

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.

1990-04-20 Priority claimed from US07/512,216 external-priority patent/US5069716A/en

1991-04-12 Application filed by Orinoco Siderurgica filed Critical Orinoco Siderurgica

1991-12-03 Publication of BR9101501A publication Critical patent/BR9101501A/en

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)
Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Carbon And Carbon Compounds (AREA)

BR919101501A 1990-04-20 1991-04-12 PROCESS FOR THE PRODUCTION OF LIQUID STEEL FROM METAL OXIDES CONTAINING IRON BR9101501A (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 (1)

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

Family

ID=24038175

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR919101501A BR9101501A (en)	1990-04-20	1991-04-12	PROCESS FOR THE PRODUCTION OF LIQUID STEEL FROM METAL OXIDES CONTAINING IRON

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

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 (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

1990
- 1990-12-24 DE DE4041689A patent/DE4041689C2/en not_active Expired - Fee Related
1991
- 1991-03-25 GB GB9106258A patent/GB2243840B/en not_active Expired - Fee Related
- 1991-04-08 CA CA002039940A patent/CA2039940A1/en not_active Abandoned
- 1991-04-12 BR BR919101501A patent/BR9101501A/en not_active Application Discontinuation

Also Published As

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

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Legal Events

Date	Code	Title	Description
1995-11-07	EE	Request for examination
1996-10-08	FD3	Appl. lapsed due to non-payment of renewal fee