ES2029673T3 - Procedimiento para el tratamiento metalurgico secundario de caldos metalicos, en especial de acero fundido. - Google Patents

Procedimiento para el tratamiento metalurgico secundario de caldos metalicos, en especial de acero fundido.

Info

Publication number
ES2029673T3
ES2029673T3 ES198787108258T ES87108258T ES2029673T3 ES 2029673 T3 ES2029673 T3 ES 2029673T3 ES 198787108258 T ES198787108258 T ES 198787108258T ES 87108258 T ES87108258 T ES 87108258T ES 2029673 T3 ES2029673 T3 ES 2029673T3
Authority
ES
Spain
Prior art keywords
slag layer
current
broths
metallic
procedure
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 - Lifetime
Application number
ES198787108258T
Other languages
English (en)
Inventor
Holzgruber Wolfgang Dipl.-Ing. Dr. Mont.
Manfred Dipl.Ing. Haissig
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.)
Inteco Internationale Techinsche Beratung GmbH
Original Assignee
Inteco Internationale Techinsche Beratung GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=3479640&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2029673(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Inteco Internationale Techinsche Beratung GmbH filed Critical Inteco Internationale Techinsche Beratung GmbH
Application granted granted Critical
Publication of ES2029673T3 publication Critical patent/ES2029673T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)

Abstract

PROCEDIMIENTO PARA TRATAMIENTOS METALURGICOS SECUNDARIOS DE FUNDICIONES DE METALES, ESPECIALMENTE FUNDICIONES DE ACERO, EN UN RECIPIENTE (G) METALURGICO COMO CUBETAS DE FUNDICION O TRANSPORTE, RECIPIENTE INTERMEDIO, DISTRIBUIDOR O VONVERTIDOR, POR INICIACION DE CORRIENTE CONTINUA O ALTERNA MONO O POLIFASICA MEDIANTE ELECTRODOS (2) SUMERGIDOS ACTIVADORES DE CORRIENTE EN QUE EN UNO DE ELLOS LA CAPA DE ESCORIA (1) FUNDIDA CONDUCIDA ELECTRICAMENTE QUE CUBRE TOTALMENTE LA FUNDICION (3) FRENTE A LA ATMOSFERA, SE FORMA DESDE UNA ALTURA DE AL MENOS 50 MM. CON UNA RESISTENCIA ESPECIFICA ENTRE 0,3 Y 2,0 0HM CM Y UNA TEMPERATURA DE LIQUIDO EN LA ZONA ENTRE 1.250 C Y 1.500 C, EN QUE AL MENOS UN ELECTRODO (2) QUE DEJA PASAR LA CORRIENTE SE SUMERGE CON SU PARTE FRONTAL EN LA CAPA DE ESCORIA (1), DE MODO QUE LA CORRIENTE ELECTRICA PASA DIRECTAMENTE DESDE LA PUNTA DEL ELECTRODO EN LA CAPA DE ESCORIA (1) SE MUEVEN CONTINUAMENTE DURANTE EL CALENTAMIENTO POR IRRIGACION DE GAS O AGITACION INDUCTIVA.
ES198787108258T 1987-01-09 1987-06-06 Procedimiento para el tratamiento metalurgico secundario de caldos metalicos, en especial de acero fundido. Expired - Lifetime ES2029673T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0002987A AT389324B (de) 1987-01-09 1987-01-09 Verfahren zur elektroschlacke-behandlung von metallschmelzen in einem ausgemauerten metallurgischen gefaess

Publications (1)

Publication Number Publication Date
ES2029673T3 true ES2029673T3 (es) 1992-09-01

Family

ID=3479640

Family Applications (1)

Application Number Title Priority Date Filing Date
ES198787108258T Expired - Lifetime ES2029673T3 (es) 1987-01-09 1987-06-06 Procedimiento para el tratamiento metalurgico secundario de caldos metalicos, en especial de acero fundido.

Country Status (4)

Country Link
EP (1) EP0275349B1 (es)
AT (2) AT389324B (es)
DE (2) DE3777376D1 (es)
ES (1) ES2029673T3 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3827074A1 (de) * 1988-08-10 1990-02-22 Leybold Ag Verfahren und vorrichtung zur vermeidung der verdampfverluste von legierungselementen beim elektronenstrahlschmelzen
FR2694303B1 (fr) * 1992-07-30 1994-10-21 Metalimphy Procédé d'élaboration d'alliages magnétiques doux à très haute perméabilité et alliages en résultant.
DE4404313C2 (de) * 1994-02-11 2002-08-01 Ald Vacuum Techn Ag Verfahren zum Aufschmelzen und Behandeln von Metallen und Anlage zur Durchführung des Verfahrens
DE19518361C1 (de) * 1995-05-19 1996-08-08 Technometal Ges Fuer Metalltec Vakuumdichtes Reaktionsgefäß für die Stahlbehandlung mit einer Stopfbuchse
CN117683968B (zh) * 2024-02-02 2024-04-23 北京科技大学 一种中间包等离子体加热脱硫的方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB781108A (en) * 1954-03-20 1957-08-14 Forni Lubatti Soc Improvements in the reduction of metallic ores
DE1508112B2 (de) * 1965-10-07 1973-04-12 Allmanna Svenska Elektnska AB, Vasteraas (Schweden) Verfahren und anordnung zur behandlung von metallschmelzen
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
DE2152689B1 (de) * 1971-10-22 1973-02-08 Boehler & Co Ag Geb Deckel fuer esu-kokillen zur aufrechterhaltung einer kontrollierbaren atmosphaere
DE2608279B2 (de) * 1976-02-28 1978-02-16 Demag Ag, 4100 Duisburg Verfahren zum einschmelzen von stahl aus schrott im elektroofen
BG35678A1 (en) * 1981-12-01 1984-06-15 Savov Method and device for treating and refining liquid alloys
JPS6164811A (ja) * 1984-09-03 1986-04-03 Nippon Kokan Kk <Nkk> 溶鋼の脱硫方法
US4552587A (en) * 1984-09-28 1985-11-12 Nippon Kokan Kabushiki Kaisha Method of operating ladle refining furnace

Also Published As

Publication number Publication date
AT389324B (de) 1989-11-27
ATA2987A (de) 1989-04-15
DE3722167A1 (de) 1988-07-21
DE3722167C2 (es) 1989-09-28
DE3777376D1 (de) 1992-04-16
EP0275349A1 (de) 1988-07-27
EP0275349B1 (de) 1992-03-11
ATE73503T1 (de) 1992-03-15

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