JPS575815A - Degassing device for ladle - Google Patents

Degassing device for ladle

Info

Publication number
JPS575815A
JPS575815A JP7850680A JP7850680A JPS575815A JP S575815 A JPS575815 A JP S575815A JP 7850680 A JP7850680 A JP 7850680A JP 7850680 A JP7850680 A JP 7850680A JP S575815 A JPS575815 A JP S575815A
Authority
JP
Japan
Prior art keywords
pipe
molten steel
ladle
degassing
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.)
Pending
Application number
JP7850680A
Other languages
Japanese (ja)
Inventor
Keizo Kitamuro
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.)
IHI Corp
Original Assignee
IHI 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 IHI Corp filed Critical IHI Corp
Priority to JP7850680A priority Critical patent/JPS575815A/en
Publication of JPS575815A publication Critical patent/JPS575815A/en
Pending 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 make it possible to prevent a temperature drop, increase stirring ability for the molten steel and fomogenize the components of the steel, by carrying out a degassing method for the ladle using the suction pipe and heating electrode of a tank degassing method and taking the full advantage of the merits of the same method. CONSTITUTION:Vacuuming the inside of a vacuum container 2 by evacuation, the suction pipe 10 and a slag separater 20 are inserted into the molten steel in the ladle 1, and an inert gas blows up from a conduit pipe 21 for the inert gas. Then, the molten steel is lifted in the hole of the pipe 10 by a gas lift to flood from the top of the pipe 10, being degassed and purified in vacuum. The emitted gas is removed through an exhaust hole 4 and an exhaust pipe 6, and the purified molten steel passes through a hollow part 22 between the pipe 10 and the separator 20 to return into the molten steel in the ladle without touching the slag S. Further, during the degassing, the resistance heating electrode 7 is energized, and the refractory 5 of an upper lid 3 is heated to avoid a radiation thermal loss.
JP7850680A 1980-06-11 1980-06-11 Degassing device for ladle Pending JPS575815A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7850680A JPS575815A (en) 1980-06-11 1980-06-11 Degassing device for ladle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7850680A JPS575815A (en) 1980-06-11 1980-06-11 Degassing device for ladle

Publications (1)

Publication Number Publication Date
JPS575815A true JPS575815A (en) 1982-01-12

Family

ID=13663826

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7850680A Pending JPS575815A (en) 1980-06-11 1980-06-11 Degassing device for ladle

Country Status (1)

Country Link
JP (1) JPS575815A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02225529A (en) * 1988-11-14 1990-09-07 Kanegafuchi Chem Ind Co Ltd Production of particulate paste vinyl chloride resin

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02225529A (en) * 1988-11-14 1990-09-07 Kanegafuchi Chem Ind Co Ltd Production of particulate paste vinyl chloride resin

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