JPS5735611A - Method for repairing vacuum degassing vessel - Google Patents

Method for repairing vacuum degassing vessel

Info

Publication number
JPS5735611A
JPS5735611A JP10986080A JP10986080A JPS5735611A JP S5735611 A JPS5735611 A JP S5735611A JP 10986080 A JP10986080 A JP 10986080A JP 10986080 A JP10986080 A JP 10986080A JP S5735611 A JPS5735611 A JP S5735611A
Authority
JP
Japan
Prior art keywords
vessel
molten steel
contact
repairing
eroded part
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
JP10986080A
Other languages
Japanese (ja)
Inventor
Takenori Nagata
Teiji Harada
Yoshikatsu Furuta
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 JP10986080A priority Critical patent/JPS5735611A/en
Publication of JPS5735611A publication Critical patent/JPS5735611A/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)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)

Abstract

PURPOSE:To perform sufficient thick film repair by repeatedly moving an eroded part vertically so as to contacting a repairing material floating on the molten steel surface in a vessel intermittently at the time of immersing a nozzle in the molten steel and allowing said repairing material to contact with the eroded part of the inside wall of the vessel. CONSTITUTION:A repairing method of immersing a nozzle 3 of vacuum degassing vessel 1 into molten steels 2, 2', and allowing the repairing material floating on the surface of the molten steel 2 in the vessel to contact with the eroded part 6 of the inside wall of the vessel 1. At this time, the locally heavily eroded part 6 to be repaired is vertically moved intermittently so as to contact with repair material layer 7 floating on the surface of the molten steel 2 at least >=3 times. The upward and downward moving speeds are kept within a 1-4.5m/min. Hence, the coating layers of proper layer thickness are laminated.
JP10986080A 1980-08-12 1980-08-12 Method for repairing vacuum degassing vessel Pending JPS5735611A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10986080A JPS5735611A (en) 1980-08-12 1980-08-12 Method for repairing vacuum degassing vessel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10986080A JPS5735611A (en) 1980-08-12 1980-08-12 Method for repairing vacuum degassing vessel

Publications (1)

Publication Number Publication Date
JPS5735611A true JPS5735611A (en) 1982-02-26

Family

ID=14521021

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10986080A Pending JPS5735611A (en) 1980-08-12 1980-08-12 Method for repairing vacuum degassing vessel

Country Status (1)

Country Link
JP (1) JPS5735611A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59116314A (en) * 1982-12-22 1984-07-05 Kawasaki Steel Corp Hot repairing method of immersion pipe for degassing molten steel

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5117104A (en) * 1974-08-01 1976-02-10 Sumitomo Metal Ind Dh shinkusonaitaikabutsuhogohoho

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5117104A (en) * 1974-08-01 1976-02-10 Sumitomo Metal Ind Dh shinkusonaitaikabutsuhogohoho

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59116314A (en) * 1982-12-22 1984-07-05 Kawasaki Steel Corp Hot repairing method of immersion pipe for degassing molten steel
JPS626725B2 (en) * 1982-12-22 1987-02-13 Kawasaki Steel Co

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