FR2396087A1 - Procede et dispositif pour le raffinage de masses fondues a base de fer - Google Patents

Procede et dispositif pour le raffinage de masses fondues a base de fer

Info

Publication number
FR2396087A1
FR2396087A1 FR7819682A FR7819682A FR2396087A1 FR 2396087 A1 FR2396087 A1 FR 2396087A1 FR 7819682 A FR7819682 A FR 7819682A FR 7819682 A FR7819682 A FR 7819682A FR 2396087 A1 FR2396087 A1 FR 2396087A1
Authority
FR
France
Prior art keywords
ladle
arc
electrochemically
applying
based alloys
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.)
Granted
Application number
FR7819682A
Other languages
English (en)
Other versions
FR2396087B1 (fr
Inventor
P C Savov
V G Peev
A J Valtschev
N A Lingorski
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.)
TSCHERNA METALURGIA
Original Assignee
TSCHERNA METALURGIA
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
Priority claimed from GB36772/77A external-priority patent/GB1550724A/en
Application filed by TSCHERNA METALURGIA filed Critical TSCHERNA METALURGIA
Publication of FR2396087A1 publication Critical patent/FR2396087A1/fr
Application granted granted Critical
Publication of FR2396087B1 publication Critical patent/FR2396087B1/fr
Granted 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/064—Dephosphorising; Desulfurising
    • 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0075—Treating in a ladle furnace, e.g. up-/reheating of molten steel within the ladle
    • 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/068—Decarburising
    • C21C7/0685—Decarburising of stainless steel
    • 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/072—Treatment with gases
    • 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/10—Handling in a vacuum

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Steel In Its Molten State (AREA)

Abstract

La présente invention concerne un procédé pour le raffinage de masses fondues à base de fer. Selon ce procédé, on réalise un chauffage à l'aide d'un courant continu simultanément au dégazage et à la désulfuration électro-chimique, la préparation de la masse de fer s'effectuant simultanément Pour cela, on utilise des électrodes 2, 3 et 4 reliées à une source de courant continu 16. Les anodes 3, 4 se trouvent à l'intérieur de la masse en fusion tandis que la cathode 2 est à l'extérieur. Les produits entrant dans la composition de la masse ou pour son traitement sont amenées par la trémie 11 tandis que le gaz inerte est insufflé par le tube 5. L'invention permet un déroulement en continu des procédés de raffinage.
FR7819682A 1977-09-02 1978-06-30 Procede et dispositif pour le raffinage de masses fondues a base de fer Granted FR2396087A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB36772/77A GB1550724A (en) 1977-03-23 1977-09-02 Process for the production of substituted pyridines

Publications (2)

Publication Number Publication Date
FR2396087A1 true FR2396087A1 (fr) 1979-01-26
FR2396087B1 FR2396087B1 (fr) 1985-03-01

Family

ID=10391076

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7819682A Granted FR2396087A1 (fr) 1977-09-02 1978-06-30 Procede et dispositif pour le raffinage de masses fondues a base de fer

Country Status (1)

Country Link
FR (1) FR2396087A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2517328A1 (fr) * 1981-12-01 1983-06-03 Iso Metalurgkomplekt Procede et dispositif pour le traitement et l'affinage d'alliages metalliques liquides par chauffage a l'arc electrique a courant continu

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB994378A (en) * 1961-07-01 1965-06-10 Ichiji Obinata Method of refining molten metals using an arc discharge
FR1483124A (fr) * 1965-06-09 1967-06-02 Procédé et appareil pour traiter un métal fondu sous vide
US3501290A (en) * 1966-08-29 1970-03-17 Finkl & Sons Co Method of treating molten metal with arc heat and vacuum
FR2051745A1 (fr) * 1969-07-15 1971-04-09 Asea Ab
GB1384259A (en) * 1972-02-01 1975-02-19 Finkl & Sons Co Method and apparatus for desulphurizing steel
FR2311852A1 (fr) * 1975-05-17 1976-12-17 Vacmetal Gmbh Procede et dispositif d'elaboration d'aciers fins
FR2328047A1 (fr) * 1975-10-17 1977-05-13 Finkl & Sons Co Procede de desulfuration d'acier fondu

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB994378A (en) * 1961-07-01 1965-06-10 Ichiji Obinata Method of refining molten metals using an arc discharge
FR1483124A (fr) * 1965-06-09 1967-06-02 Procédé et appareil pour traiter un métal fondu sous vide
US3501290A (en) * 1966-08-29 1970-03-17 Finkl & Sons Co Method of treating molten metal with arc heat and vacuum
FR2051745A1 (fr) * 1969-07-15 1971-04-09 Asea Ab
GB1384259A (en) * 1972-02-01 1975-02-19 Finkl & Sons Co Method and apparatus for desulphurizing steel
FR2311852A1 (fr) * 1975-05-17 1976-12-17 Vacmetal Gmbh Procede et dispositif d'elaboration d'aciers fins
FR2328047A1 (fr) * 1975-10-17 1977-05-13 Finkl & Sons Co Procede de desulfuration d'acier fondu

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2517328A1 (fr) * 1981-12-01 1983-06-03 Iso Metalurgkomplekt Procede et dispositif pour le traitement et l'affinage d'alliages metalliques liquides par chauffage a l'arc electrique a courant continu

Also Published As

Publication number Publication date
FR2396087B1 (fr) 1985-03-01

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