CA1338397C - Method for refining molten steel in a vacuum - Google Patents

Method for refining molten steel in a vacuum

Info

Publication number
CA1338397C
CA1338397C CA000588802A CA588802A CA1338397C CA 1338397 C CA1338397 C CA 1338397C CA 000588802 A CA000588802 A CA 000588802A CA 588802 A CA588802 A CA 588802A CA 1338397 C CA1338397 C CA 1338397C
Authority
CA
Canada
Prior art keywords
gas
molten steel
ladle
soluble
vacuum vessel
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
CA000588802A
Other languages
English (en)
French (fr)
Inventor
Toshio Ishii
Yutaka Okubo
Shuzo Fukuda
Yoshihiko Kawai
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.)
JFE Engineering Corp
Original Assignee
NKK Corp
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 NKK Corp filed Critical NKK Corp
Application granted granted Critical
Publication of CA1338397C publication Critical patent/CA1338397C/en
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
    • 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)
  • Continuous Casting (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
CA000588802A 1988-01-21 1989-01-20 Method for refining molten steel in a vacuum Expired - Fee Related CA1338397C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP9675/88 1988-01-21
JP63009675A JPH01188619A (ja) 1988-01-21 1988-01-21 Ｒｈ真空脱ガス法
JP1031105A JPH02211974A (ja) 1988-01-21 1989-02-13 溶融金属の減圧清浄化方法

Publications (1)

Publication Number Publication Date
CA1338397C true CA1338397C (en) 1996-06-18

Family

ID=39689269

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000588802A Expired - Fee Related CA1338397C (en) 1988-01-21 1989-01-20 Method for refining molten steel in a vacuum

Country Status (6)

Country Link
EP (1) EP0325242A3 (ja)
JP (2) JPH01188619A (ja)
KR (1) KR930005067B1 (ja)
AU (1) AU601893B2 (ja)
BR (1) BR8900249A (ja)
CA (1) CA1338397C (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5077255A (en) * 1986-09-09 1991-12-31 Exxon Chemical Patents Inc. New supported polymerization catalyst
US5221326A (en) * 1990-05-17 1993-06-22 Kawasaki Steel Corporation Method of producing ultra-low-carbon steel
DE19856073A1 (de) * 1998-12-04 2000-06-15 Technometal Ges Fuer Metalltec Verfahren zur Entstickung von Stahlschmelzen
WO2001094648A2 (en) * 2000-06-05 2001-12-13 Sanyo Special Steel Co., Ltd. High-cleanliness steel and process for producing the same
GB2410503B (en) * 2000-06-05 2005-09-07 Sanyo Special Steel Co Ltd High-cleanliness steel and process for producing the same
GB2406580B (en) * 2000-06-05 2005-09-07 Sanyo Special Steel Co Ltd High-cleanliness steel and process for producing the same
EP1568790A1 (fr) * 2004-02-24 2005-08-31 Paul Wurth S.A. Dispositif pour le traitement de métal liquide en poche
CN102296159B (zh) * 2010-06-25 2013-05-01 鞍钢股份有限公司 一种插入管堵塞的处理方法
KR101881971B1 (ko) * 2016-11-09 2018-08-24 주식회사 포스코 주조설비 및 이를 이용한 주조방법
CN113957203B (zh) * 2021-12-21 2022-03-15 太原科技大学 一种多功能非中心对称真空精炼设备

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE593968A (fr) * 1959-08-14 1960-12-01 Heraeus Gmbh W C Perfectionnements apportés au dégazage par circulation de métaux, en particulier d'acier
DE1222090B (de) * 1960-09-09 1966-08-04 Heraeus Gmbh W C Verfahren zum Entgasen von Stahlschmelzen
US3320053A (en) * 1964-09-25 1967-05-16 Bethlehem Steel Corp Method of injecting gases into steel melts
JPS6021207B2 (ja) * 1981-05-26 1985-05-25 川崎製鉄株式会社 極低炭素溶鋼の製造方法
JPS57200514A (en) * 1981-06-03 1982-12-08 Nippon Kokan Kk <Nkk> Method for degassing molten steel
JPS5837112A (ja) * 1981-08-29 1983-03-04 Kawasaki Steel Corp 溶鋼の真空精練法
JPS60184619A (ja) * 1984-02-29 1985-09-20 Sumitomo Metal Ind Ltd 低窒素鋼の製造方法
BR8803185A (pt) * 1987-06-29 1989-01-24 Kawasaki Steel Co Processo e aparelho para desgaseificacao de metal em fusao
AU605949B2 (en) * 1987-12-25 1991-01-24 Nkk Corporation Method for cleaning molten metal and apparatus therefor

Also Published As

Publication number Publication date
EP0325242A3 (en) 1990-02-14
JPH01188619A (ja) 1989-07-27
KR930005067B1 (ko) 1993-06-15
BR8900249A (pt) 1989-09-19
JPH02211974A (ja) 1990-08-23
AU601893B2 (en) 1990-09-20
KR890012009A (ko) 1989-08-23
EP0325242A2 (en) 1989-07-26
AU2848289A (en) 1989-08-10

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Ishii et al. Method for Refining Molten Steel in a Vacuum

Legal Events

Date Code Title Description
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