DE3376752D1 - Process and installation for the treatment of steel in the ladle - Google Patents

Process and installation for the treatment of steel in the ladle

Info

Publication number
DE3376752D1
DE3376752D1 DE8383630190T DE3376752T DE3376752D1 DE 3376752 D1 DE3376752 D1 DE 3376752D1 DE 8383630190 T DE8383630190 T DE 8383630190T DE 3376752 T DE3376752 T DE 3376752T DE 3376752 D1 DE3376752 D1 DE 3376752D1
Authority
DE
Germany
Prior art keywords
melt
steel
working zone
ladle
lance
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
Application number
DE8383630190T
Other languages
English (en)
Inventor
Paul Metz
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.)
Paul Wurth SA
Original Assignee
Arbed SA
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=19729981&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3376752(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Arbed SA filed Critical Arbed SA
Application granted granted Critical
Publication of DE3376752D1 publication Critical patent/DE3376752D1/de
Expired 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
    • C21C7/0037—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered material
    • 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
    • C21C7/005—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 using exothermic reaction compositions
    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/10—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals with refining or fluxing agents; Use of materials therefor, e.g. slagging or scorifying agents
    • C22B9/103—Methods of introduction of solid or liquid refining or fluxing agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
DE8383630190T 1982-11-17 1983-11-16 Process and installation for the treatment of steel in the ladle Expired DE3376752D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU84472A LU84472A1 (fr) 1982-11-17 1982-11-17 Procede et installation pour le traitement de l'acier en poche

Publications (1)

Publication Number Publication Date
DE3376752D1 true DE3376752D1 (en) 1988-06-30

Family

ID=19729981

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383630190T Expired DE3376752D1 (en) 1982-11-17 1983-11-16 Process and installation for the treatment of steel in the ladle

Country Status (8)

Country Link
US (1) US4518422B1 (de)
EP (1) EP0110809B1 (de)
JP (1) JPS59133314A (de)
AT (1) ATE34585T1 (de)
AU (1) AU554336B2 (de)
CA (1) CA1213147A (de)
DE (1) DE3376752D1 (de)
LU (1) LU84472A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3427087C1 (de) * 1984-07-19 1986-04-10 Mannesmann AG, 4000 Düsseldorf Metallurgisches Gefaess
LU86552A1 (de) * 1986-08-11 1988-03-02 Arbed Verfahren und mittel zum gleichzeitigen aufheizen und reinigen von metallbaedern
US4761178A (en) * 1987-08-24 1988-08-02 Bethlehem Steel Corporation Process for heating molten steel contained in a ladle
IN172394B (de) * 1988-07-22 1993-07-17 Boest Alpine Stahl Donawitz Ge
BE1004483A3 (fr) * 1990-06-29 1992-12-01 Cockerill Sambre Sa Procede de rechauffage d'un bain d'acier liquide.
US5188661A (en) * 1991-11-12 1993-02-23 Cook Donald R Dual port lance and method
GB2285061B (en) * 1993-12-21 1997-01-08 Vacmetal Gmbh A method of processing ferrous materials
LU90005B1 (fr) * 1997-01-15 1998-07-16 Wurth Paul Sa Procédé et installation pour le traitement de l'acer en poche
GB2351297B (en) * 1999-06-21 2004-01-21 Vacmetal Gmbh Metallurgical treatment apparatus
FR2809336B1 (fr) * 2000-05-26 2002-11-08 Jean Albert Francois Sunnen Procede de reduction selective de dechets industriels et menagers
LU90924B1 (fr) * 2002-05-24 2003-11-25 Wurth Paul Sa Procédé de traitements métallurgiques sur bain métallique
EP1428894A1 (de) * 2002-12-13 2004-06-16 SMS Mevac GmbH Entgasungsverfahren von Flüssigstahl
JP4345769B2 (ja) * 2006-04-07 2009-10-14 住友金属工業株式会社 極低硫高清浄鋼の溶製方法
CN104588631B (zh) * 2015-01-19 2018-12-11 新疆八一钢铁股份有限公司 应用钢渣余热烘烤新修砌铁水包的方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE898595C (de) * 1950-02-06 1953-12-03 Leo Henry Timmins Verfahren zum Reinigen von geschmolzenem Eisen
US2776206A (en) * 1953-08-01 1957-01-01 Int Nickel Co Method and apparatus for introducing low-boiling substances into molten metal
AT247888B (de) * 1961-10-16 1966-06-27 Oesterr Alpine Montan Verfahren zur Herstellung hochlegierter Stähle und Anwendung desselben zur Herstellung von ultraweichen Chrom-Nickel-Stählen
CH445538A (de) * 1964-02-28 1967-10-31 Fischer Ag Georg Verfahren zum Zuführen von Reaktions- und/oder Legierungsstoffen in metallische Schmelzen und Vorrichtung zur Durchführung des Verfahrens
GB1148602A (en) * 1966-09-26 1969-04-16 Steel Co Of Wales Ltd Improvements in and relating to the treatment of metals
US3622077A (en) * 1968-02-01 1971-11-23 Conwed Corp Apparatus for air-laying wet fibers
SE341412B (de) * 1969-07-15 1971-12-27 Asea Ab
DE1959173A1 (de) 1969-11-25 1971-06-09 Eitel Hans Joachim Verfahren zur Herstellung von Stahlschmelzen
FR2204692A1 (en) 1972-10-31 1974-05-24 Arbed Making addns to steel melts - in ladles without slag contamination
DE2321644B2 (de) * 1973-04-28 1976-06-10 Verfahren zum entschwefeln von stahlschmelzen
GB1436452A (en) * 1973-06-07 1976-05-19 Kobe Steel Ltd Method of and apparatus for agitating a bath of molten metal
DE2333937C2 (de) * 1973-07-04 1975-07-17 Fried. Krupp Huettenwerke Ag, 4630 Bochum Verfahren zur Herstellung hochchromhaltiger Stähle mit niedrigstem Kohlenstoffgehalt
US3971655A (en) 1974-08-21 1976-07-27 Nippon Steel Corporation Method for treatment of molten steel in a ladle
US4130417A (en) * 1975-07-11 1978-12-19 Gfe Gesellschaft Fur Elektrometallurgie Mit Beschrankter Haftung Process for refining high-carbon ferro-alloys
DE2558072C3 (de) * 1975-12-22 1978-09-21 Micheal Donald Ellwood City Pa. Labate (V.St.A.) Verfahren und Vorrichtung zum Einführen von Entschwefelungs- oder Legierungszusätzen unter dem Metallbadspiegel
EP0000466A1 (de) * 1977-07-13 1979-02-07 VOEST-ALPINE Aktiengesellschaft Verfahren zum Einbringen von körnigen Stoffen in eine Metallschmelze und Vorrichtung zur Durchführung des Verfahrens
FR2432552A1 (fr) * 1978-08-03 1980-02-29 Siderurgie Fse Inst Rech Lance a double flux pour l'insufflation en profondeur de produits pulverulents au sein d'une masse en fusion
FR2491364A1 (fr) * 1980-10-03 1982-04-09 Morival Fernand Dispositif permettant l'introduction d'une poudre de traitement dans un bain d'acier en fusion

Also Published As

Publication number Publication date
JPH0361724B2 (de) 1991-09-20
AU2141683A (en) 1984-05-24
JPS59133314A (ja) 1984-07-31
US4518422A (en) 1985-05-21
EP0110809B1 (de) 1988-05-25
AU554336B2 (en) 1986-08-14
ATE34585T1 (de) 1988-06-15
US4518422B1 (en) 1999-06-08
CA1213147A (fr) 1986-10-28
EP0110809A1 (de) 1984-06-13
LU84472A1 (fr) 1984-06-13

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8327 Change in the person/name/address of the patent owner

Owner name: PAUL WURTH S.A., LUXEMBURG/LUXEMBOURG, LU

8339 Ceased/non-payment of the annual fee