EP0035487A3 - Procédé pour la fabrication directe d'acier à partir de matières premières contenant de l'oxyde de fer - Google Patents

Procédé pour la fabrication directe d'acier à partir de matières premières contenant de l'oxyde de fer Download PDF

Info

Publication number: EP0035487A3
Authority: EP; European Patent Office
Prior art keywords: melting; direct reduction; iron; steel; raw materials
Prior art date: 1980-02-28
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP81890024A

Other languages

German (de)

English (en)

Other versions

EP0035487A2 (fr

Inventor

Aktiengesellschaft Voest-Alpine

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.)

Voestalpine AG

Original Assignee

Voestalpine AG

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.)

1980-02-28

Filing date

1981-02-11

Publication date

1981-11-18

1981-02-11 Application filed by Voestalpine AG filed Critical Voestalpine AG

1981-09-09 Publication of EP0035487A2 publication Critical patent/EP0035487A2/fr

1981-11-18 Publication of EP0035487A3 publication Critical patent/EP0035487A3/fr

Status Withdrawn legal-status Critical Current

Links

238000000034 method Methods 0.000 title abstract 3
229910000831 Steel Inorganic materials 0.000 title abstract 2
239000002994 raw material Substances 0.000 title abstract 2
239000010959 steel Substances 0.000 title abstract 2
UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 title 2
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 6
239000007789 gas Substances 0.000 abstract 4
238000002844 melting Methods 0.000 abstract 4
230000008018 melting Effects 0.000 abstract 4
229910052742 iron Inorganic materials 0.000 abstract 3
UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract 2
229910002091 carbon monoxide Inorganic materials 0.000 abstract 2
239000000155 melt Substances 0.000 abstract 2
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
229910052799 carbon Inorganic materials 0.000 abstract 1
238000005255 carburizing Methods 0.000 abstract 1
239000000969 carrier Substances 0.000 abstract 1
230000007257 malfunction Effects 0.000 abstract 1
229910052760 oxygen Inorganic materials 0.000 abstract 1
239000001301 oxygen Substances 0.000 abstract 1

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

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 Steel Or Casting Steel Manufacturing (AREA)
Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)

EP81890024A 1980-02-28 1981-02-11 Procédé pour la fabrication directe d'acier à partir de matières premières contenant de l'oxyde de fer Withdrawn EP0035487A3 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
AT110580A AT366414B (de)	1980-02-28	1980-02-28	Verfahren zur direkten herstellung von stahl aus eisenoxidhaltigen rohstoffen
AT1105/80		1980-02-28

Publications (2)

Publication Number	Publication Date
EP0035487A2 EP0035487A2 (fr)	1981-09-09
EP0035487A3 true EP0035487A3 (fr)	1981-11-18

Family

ID=3506691

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP81890024A Withdrawn EP0035487A3 (fr)	1980-02-28	1981-02-11	Procédé pour la fabrication directe d'acier à partir de matières premières contenant de l'oxyde de fer

Country Status (3)

Country	Link
EP (1)	EP0035487A3 (fr)
JP (1)	JPS56136911A (fr)
AT (1)	AT366414B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE458688B (sv) *	1985-07-23	1989-04-24	Ips Interproject Service Ab	Foerfarande och anlaeggning foer framstaellning av raajaern ur jaernbaerande oxidiskt material
JPH09202909A (ja) *	1996-01-26	1997-08-05	Nippon Steel Corp	溶融還元設備ならびに操業方法
DE19621143A1 (de) *	1996-01-31	1997-08-07	Mannesmann Ag	Verfahren zur Erzeugung nichtrostender Stähle

Citations (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR666219A (fr) *	1928-12-13	1929-09-28		Perfectionnements apportés à la réduction des minerais métalliques et à la fabrication des métaux et alliages métalliques
FR961389A (fr) *		1950-05-11
US3235374A (en) *	1962-07-11	1966-02-15	Harold A Mahony	System and process for the direct reduction of iron ore
DE1508076A1 (de) *	1965-11-08	1969-02-20	Shell Int Research	Verfahren zur Gewinnung von Eisen und Stahl
US3653874A (en) *	1970-01-02	1972-04-04	Koppers Co Inc	Production of metal pellets from metallic oxides
FR2174796A1 (en) *	1972-03-10	1973-10-19	Erim	Reducing ferrous minerals - using treated furnace mouth gases
FR2268078A1 (fr) *	1974-04-16	1975-11-14	Ceretti Ind Spa
LU74568A1 (fr) *	1976-03-16	1977-09-27

1980
- 1980-02-28 AT AT110580A patent/AT366414B/de not_active IP Right Cessation
1981
- 1981-02-11 EP EP81890024A patent/EP0035487A3/fr not_active Withdrawn
- 1981-02-28 JP JP2929681A patent/JPS56136911A/ja active Pending

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR961389A (fr) *		1950-05-11
FR666219A (fr) *	1928-12-13	1929-09-28		Perfectionnements apportés à la réduction des minerais métalliques et à la fabrication des métaux et alliages métalliques
US3235374A (en) *	1962-07-11	1966-02-15	Harold A Mahony	System and process for the direct reduction of iron ore
DE1508076A1 (de) *	1965-11-08	1969-02-20	Shell Int Research	Verfahren zur Gewinnung von Eisen und Stahl
US3653874A (en) *	1970-01-02	1972-04-04	Koppers Co Inc	Production of metal pellets from metallic oxides
FR2174796A1 (en) *	1972-03-10	1973-10-19	Erim	Reducing ferrous minerals - using treated furnace mouth gases
FR2268078A1 (fr) *	1974-04-16	1975-11-14	Ceretti Ind Spa
LU74568A1 (fr) *	1976-03-16	1977-09-27

Also Published As

Publication number	Publication date
AT366414B (de)	1982-04-13
JPS56136911A (en)	1981-10-26
ATA110580A (de)	1981-08-15
EP0035487A2 (fr)	1981-09-09

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EP0035487A3 (fr)	1981-11-18	Procédé pour la fabrication directe d'acier à partir de matières premières contenant de l'oxyde de fer
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Legal Events

Date	Code	Title	Description
1981-07-11	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1981-09-09	AK	Designated contracting states	Designated state(s): BE DE FR GB IT LU NL SE
1981-09-14	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1981-11-18	AK	Designated contracting states	Designated state(s): BE DE FR GB IT LU NL SE
1982-11-19	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
1983-01-19	18D	Application deemed to be withdrawn	Effective date: 19821024
2007-08-08	RIN1	Information on inventor provided before grant (corrected)	Inventor name: DIE ERFINDER HABEN AUF IHRE NENNUNG VERZICHTET.