FR2436820A1 - Procede pour fabriquer de l'acier dans des fours electriques a partir d'une eponge de fer - Google Patents

Procede pour fabriquer de l'acier dans des fours electriques a partir d'une eponge de fer

Info

Publication number
FR2436820A1
FR2436820A1 FR7907677A FR7907677A FR2436820A1 FR 2436820 A1 FR2436820 A1 FR 2436820A1 FR 7907677 A FR7907677 A FR 7907677A FR 7907677 A FR7907677 A FR 7907677A FR 2436820 A1 FR2436820 A1 FR 2436820A1
Authority
FR
France
Prior art keywords
iron sponge
electric ovens
manufacturing steel
electric
gangue
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.)
Pending
Application number
FR7907677A
Other languages
English (en)
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.)
Vodafone GmbH
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 FR2436820A1 publication Critical patent/FR2436820A1/fr
Pending legal-status Critical Current

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)

Abstract

A.PROCEDE POUR FABRIQUER DE L'ACIER DANS DES FOURS ELECTRIQUES A PARTIR D'UNE EPONGE DE FER. B.PROCEDE CARACTERISE PAR LA COMBINAISON DES CARACTERISTIQUES SUIVANTES: A.L'EPONGE DE FER EST FONDUE DANS UN FOUR ELECTRIQUE A RESISTANCE DE LAITIER, DONT LE REVETEMENT EST ADAPTE A LA COMPOSITION DE LA GANGUE; B.LA TEMPERATURE SE SITUE AU MOINS A 80-100C ENVIRON AU-DESSUS DU LIQUIDUS DU BAIN DE METAL, ET A ENVIRON 50C AU-DESSUS DU LIQUIDUS DE LA GANGUE; C.LE METAL LIQUIDE RECOIT UN TRAITEMENT COMPLEMENTAIRE DANS UN FOUR A ARC. C.L'INVENTION S'APPLIQUE NOTAMMENT AU TRAITEMENT DES MINERAIS PAUVRES.
FR7907677A 1978-09-25 1979-03-27 Procede pour fabriquer de l'acier dans des fours electriques a partir d'une eponge de fer Pending FR2436820A1 (fr)

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
FR2436820A1 true FR2436820A1 (fr) 1980-04-18

Family

ID=6050395

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7907677A Pending FR2436820A1 (fr) 1978-09-25 1979-03-27 Procede pour fabriquer de l'acier dans des fours electriques a partir d'une eponge de fer

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 (8)

* 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.
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
JPWO2023204063A1 (fr) * 2022-04-22 2023-10-26
WO2024062742A1 (fr) * 2022-09-21 2024-03-28 Ｊｆｅスチール株式会社 Procédé de production de métal chaud à l'aide d'un four de réduction solide et d'un four à arc submergé

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1536190A (fr) * 1965-09-03 1968-08-27 Metallgesellschaft Ag The Stee Procédé de préparation d'acier au four électrique
FR2097183A3 (en) * 1970-07-04 1972-03-03 Puhlmann Peter Steel prodn - in an arc furnace, using a continuous smelt cycle
US3891427A (en) * 1972-10-12 1975-06-24 Lectromelt Corp Method for melting prereduced ore and scrap
FR2316332A1 (fr) * 1975-07-02 1977-01-28 Krupp Gmbh Procede pour la refusion de materiaux en morceaux contenant du fer

Family Cites Families (3)

* 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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1536190A (fr) * 1965-09-03 1968-08-27 Metallgesellschaft Ag The Stee Procédé de préparation d'acier au four électrique
FR2097183A3 (en) * 1970-07-04 1972-03-03 Puhlmann Peter Steel prodn - in an arc furnace, using a continuous smelt cycle
US3891427A (en) * 1972-10-12 1975-06-24 Lectromelt Corp Method for melting prereduced ore and scrap
FR2316332A1 (fr) * 1975-07-02 1977-01-28 Krupp Gmbh Procede pour la refusion de materiaux en morceaux contenant du fer

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/77 *

Also Published As

Publication number Publication date
DE2841697A1 (de) 1980-04-10
US4264355A (en) 1981-04-28
IT1121886B (it) 1986-04-23
NZ190982A (en) 1982-12-21
ZA792749B (en) 1980-06-25
IT7923788A0 (it) 1979-06-21
ES479395A1 (es) 1979-07-16
JPS5544598A (en) 1980-03-28
BR7905571A (pt) 1980-05-13
GB2030179A (en) 1980-04-02
BE878059A (fr) 1979-12-03
SE7903500L (sv) 1980-03-26
GB2030179B (en) 1983-04-27

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