SE7903500L - Sett att framstella stal ur jernsvamp i elektriska ugnar - Google Patents

Sett att framstella stal ur jernsvamp i elektriska ugnar

Info

Publication number: SE7903500L
Authority: SE; Sweden
Prior art keywords: iron; iron sponge; fungi; electric oven; manufacture steel
Prior art date: 1978-09-25

Application number

SE7903500A

Other languages

Unknown language ( )

English (en)

Swedish (sv)

Inventor

F Bardenheuer

A Junker

H Konig

G Rath

Original Assignee

Mannesmann 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.)

1978-09-25

Filing date

1979-04-20

Publication date

1980-03-26

1979-04-20 Application filed by Mannesmann Ag filed Critical Mannesmann Ag

1980-03-26 Publication of SE7903500L publication Critical patent/SE7903500L/

Links

XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title abstract 11
229910052742 iron Inorganic materials 0.000 title abstract 6
229910000831 Steel Inorganic materials 0.000 title abstract 2
239000010959 steel Substances 0.000 title abstract 2
238000004519 manufacturing process Methods 0.000 title 1
239000002253 acid Substances 0.000 abstract 2
239000000203 mixture Substances 0.000 abstract 2
239000002893 slag Substances 0.000 abstract 2
229910001338 liquidmetal Inorganic materials 0.000 abstract 1

Classifications

- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/5211—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace
- 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
- Y02P10/20—Recycling

Landscapes

Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Manufacturing & Machinery (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Vertical, Hearth, Or Arc Furnaces (AREA)
Cell Electrode Carriers And Collectors (AREA)
Manufacture Of Iron (AREA)

SE7903500A 1978-09-25 1979-04-20 Sett att framstella stal ur jernsvamp i elektriska ugnar SE7903500L (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19782841697 DE2841697A1 (de)	1978-09-25	1978-09-25	Verfahren zur herstellung von stahl aus eisenschwamm in elektrischen oefen

Publications (1)

Publication Number	Publication Date
SE7903500L true SE7903500L (sv)	1980-03-26

Family

ID=6050395

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE7903500A SE7903500L (sv)	1978-09-25	1979-04-20	Sett att framstella stal ur jernsvamp i elektriska ugnar

Country Status (12)

Country	Link
US (1)	US4264355A (fr)
JP (1)	JPS5544598A (fr)
BE (1)	BE878059A (fr)
BR (1)	BR7905571A (fr)
DE (1)	DE2841697A1 (fr)
ES (1)	ES479395A1 (fr)
FR (1)	FR2436820A1 (fr)
GB (1)	GB2030179B (fr)
IT (1)	IT1121886B (fr)
NZ (1)	NZ190982A (fr)
SE (1)	SE7903500L (fr)
ZA (1)	ZA792749B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NZ212446A (en) *	1982-06-02	1986-10-08	New Zealand Steel Ltd	Method and apparatus for producing liquid iron from highly reduced sponge iron
DE3300867A1 (de) *	1983-01-13	1984-07-19	Mannesmann AG, 4000 Düsseldorf	Verfahren zur erzeugung von stahl durch einschmelzen von eisenschwamm im lichtbogenofen
US4661150A (en) *	1985-04-10	1987-04-28	New Zealand Steel Limited	Production of liquid iron
AT382639B (de) *	1985-04-26	1987-03-25	Voest Alpine Ag	Verfahren zur herstellung von stahl aus eisenschwamm sowie anlage zur durchfuehrung des verfahrens
FR2705767B1 (fr) *	1993-05-27	1995-07-21	Lorraine Laminage	Procédé et installation de production d'acier liquide à partir de matières ferreuses riches en matières carbonées.
DE102021204258A1 (de) *	2021-04-28	2022-11-03	Thyssenkrupp Ag	Schmelzofen zur Erzeugung von Roheisen und Schlacke mit einer gewünschten Beschaffenheit
JP7636731B2 (ja) *	2022-04-22	2025-02-27	Ｊｆｅスチール株式会社	直接還元鉄の溶解方法、固体鉄の製造方法、土木建築用資材の製造方法および直接還元鉄の溶解システム
WO2023204069A1 (fr) *	2022-04-22	2023-10-26	Ｊｆｅスチール株式会社	Procédé de fusion de fer à réduction directe, fer solide et procédé de production de fer solide, et matériau de génie civil et de construction, et procédé de production de matériau de génie civil et de construction
AU2023345526A1 (en) *	2022-09-21	2025-02-13	Jfe Steel Corporation	Method of producing hot metal using solid-reducing furnace and submerged arc furnace

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2704247A (en) *	1950-11-13	1955-03-15	Allegheny Ludlum Steel	Method of making low carbon steel
LU34613A1 (fr) *	1955-08-31
US2994831A (en) *	1959-07-28	1961-08-01	Schohan George	Magnetic amplifier frequency sensor circuits
FR1536190A (fr) *	1965-09-03	1968-08-27	Metallgesellschaft Ag The Stee	Procédé de préparation d'acier au four électrique
DE2033197A1 (de) *	1970-07-04	1972-01-20	Puhlmann P	Verfahren und Vorrichtung von für die Weiterverarbeitung bestimmten Metallen bzw. Metallegierungen, insbesondere Stahl, oder Verbindungen dieser Metalle mit anderen Elementen, z. B. Metalloxyden, oder sonstigen schmelzbaren Erden oder Stoffen mit Hilfe des Elektro-Lichtbogenofens
US3891427A (en) *	1972-10-12	1975-06-24	Lectromelt Corp	Method for melting prereduced ore and scrap
DE2529391B2 (de) *	1975-07-02	1978-06-01	Fried. Krupp Gmbh, 4300 Essen	Verfahren zum Einschmelzen von eisenhaltigem Material

1978
- 1978-09-25 DE DE19782841697 patent/DE2841697A1/de not_active Ceased
1979
- 1979-03-27 FR FR7907677A patent/FR2436820A1/fr active Pending
- 1979-04-06 ES ES479395A patent/ES479395A1/es not_active Expired
- 1979-04-20 SE SE7903500A patent/SE7903500L/ not_active Application Discontinuation
- 1979-05-29 GB GB7918671A patent/GB2030179B/en not_active Expired
- 1979-06-04 ZA ZA792749A patent/ZA792749B/xx unknown
- 1979-06-21 IT IT23788/79A patent/IT1121886B/it active
- 1979-07-11 NZ NZ190982A patent/NZ190982A/xx unknown
- 1979-08-03 BE BE0/196584A patent/BE878059A/fr not_active IP Right Cessation
- 1979-08-30 BR BR7905571A patent/BR7905571A/pt unknown
- 1979-09-04 US US06/072,451 patent/US4264355A/en not_active Expired - Lifetime
- 1979-09-25 JP JP12213879A patent/JPS5544598A/ja active Pending

Also Published As

Publication number	Publication date
NZ190982A (en)	1982-12-21
GB2030179B (en)	1983-04-27
ES479395A1 (es)	1979-07-16
ZA792749B (en)	1980-06-25
BE878059A (fr)	1979-12-03
IT1121886B (it)	1986-04-23
GB2030179A (en)	1980-04-02
BR7905571A (pt)	1980-05-13
FR2436820A1 (fr)	1980-04-18
JPS5544598A (en)	1980-03-28
IT7923788A0 (it)	1979-06-21
US4264355A (en)	1981-04-28
DE2841697A1 (de)	1980-04-10

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SE7903500L (sv)	1980-03-26	Sett att framstella stal ur jernsvamp i elektriska ugnar
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Legal Events

Date	Code	Title	Description
1995-02-28	NAV	Patent application has lapsed	Ref document number: 7903500-2