JPS5381416A - Vacuum degassing method for molten steel - Google Patents

Vacuum degassing method for molten steel

Info

Publication number
JPS5381416A
JPS5381416A JP15806676A JP15806676A JPS5381416A JP S5381416 A JPS5381416 A JP S5381416A JP 15806676 A JP15806676 A JP 15806676A JP 15806676 A JP15806676 A JP 15806676A JP S5381416 A JPS5381416 A JP S5381416A
Authority
JP
Japan
Prior art keywords
molten steel
vacuum degassing
degassing method
temp
shorten
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.)
Granted
Application number
JP15806676A
Other languages
Japanese (ja)
Other versions
JPS5650763B2 (en
Inventor
Kazuyuki Iga
Tsuguyuki 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.)
Nippon Steel Corp
Original Assignee
Nippon Steel 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 Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP15806676A priority Critical patent/JPS5381416A/en
Publication of JPS5381416A publication Critical patent/JPS5381416A/en
Publication of JPS5650763B2 publication Critical patent/JPS5650763B2/ja
Granted 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)

Abstract

PURPOSE:To shorten degassing time of molten steel and improve productivity by introducing oxygen gas into the molten steel in a vacuum vessel and at the same time, adding at exothermic reagent so as to increase the temp. of the molten steel as early stage.
JP15806676A 1976-12-28 1976-12-28 Vacuum degassing method for molten steel Granted JPS5381416A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15806676A JPS5381416A (en) 1976-12-28 1976-12-28 Vacuum degassing method for molten steel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15806676A JPS5381416A (en) 1976-12-28 1976-12-28 Vacuum degassing method for molten steel

Publications (2)

Publication Number Publication Date
JPS5381416A true JPS5381416A (en) 1978-07-18
JPS5650763B2 JPS5650763B2 (en) 1981-12-01

Family

ID=15663543

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15806676A Granted JPS5381416A (en) 1976-12-28 1976-12-28 Vacuum degassing method for molten steel

Country Status (1)

Country Link
JP (1) JPS5381416A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6244519A (en) * 1985-08-23 1987-02-26 Nippon Steel Corp Vacuum degassing vessel for molten steel
EP0584814A2 (en) * 1992-08-26 1994-03-02 Nippon Steel Corporation Process and apparatus for vacuum degassing molten steel

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6244519A (en) * 1985-08-23 1987-02-26 Nippon Steel Corp Vacuum degassing vessel for molten steel
EP0584814A2 (en) * 1992-08-26 1994-03-02 Nippon Steel Corporation Process and apparatus for vacuum degassing molten steel
EP0584814A3 (en) * 1992-08-26 1994-09-07 Nippon Steel Corp Process and apparatus for vacuum degassing molten steel
US5413623A (en) * 1992-08-26 1995-05-09 Nippon Steel Corporation Process and apparatus for vacuum degassing molten steel

Also Published As

Publication number Publication date
JPS5650763B2 (en) 1981-12-01

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