FR2755700B1 - Procede de traitement de l'acier dans un four electrique a arc pour obtenir un laitier moussant - Google Patents

Procede de traitement de l'acier dans un four electrique a arc pour obtenir un laitier moussant

Info

Publication number
FR2755700B1
FR2755700B1 FR9614103A FR9614103A FR2755700B1 FR 2755700 B1 FR2755700 B1 FR 2755700B1 FR 9614103 A FR9614103 A FR 9614103A FR 9614103 A FR9614103 A FR 9614103A FR 2755700 B1 FR2755700 B1 FR 2755700B1
Authority
FR
France
Prior art keywords
electric arc
foamed milk
treating steel
arc oven
oven
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.)
Expired - Fee Related
Application number
FR9614103A
Other languages
English (en)
Other versions
FR2755700A1 (fr
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.)
Ferropem SAS
Original Assignee
Pechiney Electrometallurgie SAS
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 Pechiney Electrometallurgie SAS filed Critical Pechiney Electrometallurgie SAS
Priority to FR9614103A priority Critical patent/FR2755700B1/fr
Priority to EP97945920A priority patent/EP1185715A2/fr
Priority to PCT/FR1997/002041 priority patent/WO1998021374A2/fr
Publication of FR2755700A1 publication Critical patent/FR2755700A1/fr
Application granted granted Critical
Publication of FR2755700B1 publication Critical patent/FR2755700B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C21C5/54—Processes yielding slags of special composition
    • 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
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/36—Processes yielding slags of special composition
    • C21C2005/366—Foam slags
    • 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
    • C21C2300/00—Process aspects
    • C21C2300/02—Foam creation
    • 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)
  • Treatment Of Steel In Its Molten State (AREA)
FR9614103A 1996-11-14 1996-11-14 Procede de traitement de l'acier dans un four electrique a arc pour obtenir un laitier moussant Expired - Fee Related FR2755700B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR9614103A FR2755700B1 (fr) 1996-11-14 1996-11-14 Procede de traitement de l'acier dans un four electrique a arc pour obtenir un laitier moussant
EP97945920A EP1185715A2 (fr) 1996-11-14 1997-11-13 Procede de traitement de l'acier dans un four electrique a arc pour obtenir un laitier moussant
PCT/FR1997/002041 WO1998021374A2 (fr) 1996-11-14 1997-11-13 Procede de traitement de l'acier dans un four electrique a arc pour obtenir un laitier moussant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9614103A FR2755700B1 (fr) 1996-11-14 1996-11-14 Procede de traitement de l'acier dans un four electrique a arc pour obtenir un laitier moussant

Publications (2)

Publication Number Publication Date
FR2755700A1 FR2755700A1 (fr) 1998-05-15
FR2755700B1 true FR2755700B1 (fr) 1998-12-18

Family

ID=9497774

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9614103A Expired - Fee Related FR2755700B1 (fr) 1996-11-14 1996-11-14 Procede de traitement de l'acier dans un four electrique a arc pour obtenir un laitier moussant

Country Status (3)

Country Link
EP (1) EP1185715A2 (fr)
FR (1) FR2755700B1 (fr)
WO (1) WO1998021374A2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108410535B (zh) * 2018-04-17 2020-06-02 太原理工大学 一种污泥微泡激发燃料及其制备方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4911287B1 (fr) * 1970-07-11 1974-03-15
JPS50113409A (fr) * 1974-06-12 1975-09-05
US4447265A (en) * 1983-06-27 1984-05-08 Schwer John W Method and composition for foaming slag in electric arc furnace
DD238170A3 (de) * 1983-10-05 1986-08-13 Joachim Jansen Verfahren zur nutzbarmachung von ne-metalloxidrueckstaenden fuer legierungszwecke
US4528035A (en) * 1984-05-21 1985-07-09 Metro Materials Corporation Composition and process to create foaming slag cover for molten steel
FR2634787B1 (fr) * 1988-08-01 1991-11-29 Siderurgie Fse Inst Rech Procede d'obtention d'un laitier moussant dans un four electrique d'acierie
ATA155793A (de) * 1993-08-04 1996-04-15 Voest Alpine Ind Anlagen Verfahren zum herstellen einer metallschmelze und anlage zur durchführung des verfahrens
EP0655508B1 (fr) * 1993-11-30 1998-08-19 ACCIAI SPECIALI TERNI S.p.a. Procédé pour utilisation de laitier moussé dans la fabrication d'acier inoxydable par la voie du four à arc électrique

Also Published As

Publication number Publication date
FR2755700A1 (fr) 1998-05-15
WO1998021374A3 (fr) 2001-11-08
WO1998021374A2 (fr) 1998-05-22
EP1185715A2 (fr) 2002-03-13

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse