FR2634787B1 - Procede d'obtention d'un laitier moussant dans un four electrique d'acierie - Google Patents

Procede d'obtention d'un laitier moussant dans un four electrique d'acierie

Info

Publication number
FR2634787B1
FR2634787B1 FR8810543A FR8810543A FR2634787B1 FR 2634787 B1 FR2634787 B1 FR 2634787B1 FR 8810543 A FR8810543 A FR 8810543A FR 8810543 A FR8810543 A FR 8810543A FR 2634787 B1 FR2634787 B1 FR 2634787B1
Authority
FR
France
Prior art keywords
obtaining
electric steel
steel furnace
foaming slag
slag
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
FR8810543A
Other languages
English (en)
Other versions
FR2634787A1 (fr
Inventor
Michel Bourge
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.)
Institut de Recherches de la Siderurgie Francaise IRSID
Original Assignee
Institut de Recherches de la Siderurgie Francaise IRSID
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 Institut de Recherches de la Siderurgie Francaise IRSID filed Critical Institut de Recherches de la Siderurgie Francaise IRSID
Priority to FR8810543A priority Critical patent/FR2634787B1/fr
Publication of FR2634787A1 publication Critical patent/FR2634787A1/fr
Application granted granted Critical
Publication of FR2634787B1 publication Critical patent/FR2634787B1/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
    • C21C5/5211—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace
    • C21C5/5217—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace equipped with burners or devices for injecting gas, i.e. oxygen, or pulverulent materials into the furnace
    • 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
    • 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)
FR8810543A 1988-08-01 1988-08-01 Procede d'obtention d'un laitier moussant dans un four electrique d'acierie Expired - Fee Related FR2634787B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8810543A FR2634787B1 (fr) 1988-08-01 1988-08-01 Procede d'obtention d'un laitier moussant dans un four electrique d'acierie

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8810543A FR2634787B1 (fr) 1988-08-01 1988-08-01 Procede d'obtention d'un laitier moussant dans un four electrique d'acierie

Publications (2)

Publication Number Publication Date
FR2634787A1 FR2634787A1 (fr) 1990-02-02
FR2634787B1 true FR2634787B1 (fr) 1991-11-29

Family

ID=9369109

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8810543A Expired - Fee Related FR2634787B1 (fr) 1988-08-01 1988-08-01 Procede d'obtention d'un laitier moussant dans un four electrique d'acierie

Country Status (1)

Country Link
FR (1) FR2634787B1 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3921807A1 (de) * 1989-07-03 1991-01-10 Mannesmann Ag Verfahren und vorrichtung zum beheizen eines metallurgischen ofens
US5332199A (en) * 1990-09-05 1994-07-26 Fuchs Systemtechnik Gmbh Metallurgical vessel
DE4303751C1 (de) * 1993-02-09 1994-09-08 Intracon Sarl Verfahren zur Wiederverwertung von Filterstäuben
FR2705768B1 (fr) * 1993-05-27 1995-07-21 Lorraine Laminage Four métallurgique pour la fusion de matières métalliques et/ou l'élaboration de métal liquide, tel qu'un four électrique d'aciérie, et procédé d'élaboration utilisant un tel four.
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
AT400245B (de) * 1993-12-10 1995-11-27 Voest Alpine Ind Anlagen Verfahren und anlage zum herstellen einer eisenschmelze
US5572544A (en) * 1994-07-21 1996-11-05 Praxair Technology, Inc. Electric arc furnace post combustion method
AT404841B (de) * 1995-04-10 1999-03-25 Voest Alpine Ind Anlagen Anlage und verfahren zum herstellen von eisenschmelzen
FR2755700B1 (fr) * 1996-11-14 1998-12-18 Pechiney Electrometallurgie Procede de traitement de l'acier dans un four electrique a arc pour obtenir un laitier moussant
IT1299805B1 (it) * 1998-06-08 2000-04-04 More Srl Procedimento di fusione perfezionato e dispositivo idoneo a concretizzare detto procedimento
NO311226B1 (no) * 1999-10-18 2001-10-29 Norsk Hydro As Skumming av slagg
WO2009089907A1 (fr) * 2008-01-15 2009-07-23 Recoval Belgium Procédé de préparation de moule de laitier moussant, produit et utilisation de ce dernier
FR2928660A1 (fr) * 2008-03-11 2009-09-18 Est Refractaires Sa Procede et installation de fabrication d'un activateur de laitier moussant a partir de dechets caoutchoutes

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1583281A1 (de) * 1967-07-27 1970-08-06 Rheinische Kalksteinwerke Basischer Zuschlagstoff fuer die Stahlherstellung
DE2543425B2 (de) * 1975-09-29 1977-08-18 Nippon Steel Corp, Tokio Schlackenbildner mit verbesserter feuchtigkeitsbestaendigkeit zur verwendung bei der herstellung von stahl mit geringem wasserstoffgehalt und verfahren zu seiner herstellung
JPS5919170B2 (ja) * 1978-12-26 1984-05-02 大同特殊鋼株式会社 溶鋼の精錬方法
US4447265A (en) * 1983-06-27 1984-05-08 Schwer John W Method and composition for foaming slag in electric arc furnace
US4528035A (en) * 1984-05-21 1985-07-09 Metro Materials Corporation Composition and process to create foaming slag cover for molten steel

Also Published As

Publication number Publication date
FR2634787A1 (fr) 1990-02-02

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Legal Events

Date Code Title Description
ST Notification of lapse