IT7923788A0 - Procedimento per la produzione di acciaio da ferro spugnoso in forni elettrici. - Google Patents

Procedimento per la produzione di acciaio da ferro spugnoso in forni elettrici.

Info

Publication number
IT7923788A0
IT7923788A0 IT7923788A IT2378879A IT7923788A0 IT 7923788 A0 IT7923788 A0 IT 7923788A0 IT 7923788 A IT7923788 A IT 7923788A IT 2378879 A IT2378879 A IT 2378879A IT 7923788 A0 IT7923788 A0 IT 7923788A0
Authority
IT
Italy
Prior art keywords
procedure
steel
production
sponge iron
electric furnaces
Prior art date
Application number
IT7923788A
Other languages
English (en)
Other versions
IT1121886B (it
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.)
Filing date
Publication date
Application filed by Mannesmann Ag filed Critical Mannesmann Ag
Publication of IT7923788A0 publication Critical patent/IT7923788A0/it
Application granted granted Critical
Publication of IT1121886B publication Critical patent/IT1121886B/it

Links

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)
IT23788/79A 1978-09-25 1979-06-21 Procedimento per la produzione di acciaio da ferro spugnoso in forni elettrici IT1121886B (it)

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 (2)

Publication Number Publication Date
IT7923788A0 true IT7923788A0 (it) 1979-06-21
IT1121886B IT1121886B (it) 1986-04-23

Family

ID=6050395

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23788/79A IT1121886B (it) 1978-09-25 1979-06-21 Procedimento per la produzione di acciaio da ferro spugnoso in forni elettrici

Country Status (12)

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

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
JP7636730B2 (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、固体鉄の製造方法および土木建築用資材の製造方法
AU2023257052A1 (en) * 2022-04-22 2024-10-03 Jfe Steel Corporation Method for melting direct reduced iron, solid iron and method for producing the same, material for civil engineering and construction and method for producing the same, and system for melting direct reduced iron
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 (it) * 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

Also Published As

Publication number Publication date
GB2030179B (en) 1983-04-27
BE878059A (fr) 1979-12-03
US4264355A (en) 1981-04-28
NZ190982A (en) 1982-12-21
JPS5544598A (en) 1980-03-28
ES479395A1 (es) 1979-07-16
SE7903500L (sv) 1980-03-26
IT1121886B (it) 1986-04-23
BR7905571A (pt) 1980-05-13
ZA792749B (en) 1980-06-25
GB2030179A (en) 1980-04-02
DE2841697A1 (de) 1980-04-10
FR2436820A1 (fr) 1980-04-18

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