JPS57110632A - Removing method for porous plug of ladie - Google Patents

Removing method for porous plug of ladie

Info

Publication number
JPS57110632A
JPS57110632A JP18919380A JP18919380A JPS57110632A JP S57110632 A JPS57110632 A JP S57110632A JP 18919380 A JP18919380 A JP 18919380A JP 18919380 A JP18919380 A JP 18919380A JP S57110632 A JPS57110632 A JP S57110632A
Authority
JP
Japan
Prior art keywords
plug
ladle
hole
stopper
shock
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
JP18919380A
Other languages
Japanese (ja)
Inventor
Masahiro Matsuo
Genji Kanetani
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
Nippon Kokan Ltd
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, Nippon Kokan Ltd filed Critical NKK Corp
Priority to JP18919380A priority Critical patent/JPS57110632A/en
Publication of JPS57110632A publication Critical patent/JPS57110632A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
    • B22D1/002—Treatment with gases
    • B22D1/005—Injection assemblies therefor
    • 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
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/42—Constructional features of converters
    • C21C5/46—Details or accessories
    • C21C5/4606—Lances or injectors
    • C21C5/462—Means for handling, e.g. adjusting, changing, coupling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Treatment Of Steel In Its Molten State (AREA)

Abstract

PURPOSE:To surely remove the porous plug of a ladle for bottom blowing in a short time by piercing a hole in the plug at the central part, inserting a pulling- out rod having a slipping-out stopper at the tip in the hole, and applying a shock. CONSTITUTION:When the bottom porous plug 5 of a ladle 1 is exchanged, the ladle 1 is turned sideways, and a through hole 10 is pierced in the plug 5 at the central position from the bottom 1a side in the axial direction by means of a crown cutter. A pulling-out rod 12 having a slipping-out stopper 11 is inserted in the hole 10, and the stopper 11 is expanded and brought into contact with a face of the plug 5. By applying a shock to the side edge face 5a of the inside 1b of the bottom of the ladle 1 with a vibration shock machine 8, the plug 5 is easily pulled out. Thus, the plug is simply pulled out and exchanged in a short time.
JP18919380A 1980-12-27 1980-12-27 Removing method for porous plug of ladie Pending JPS57110632A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18919380A JPS57110632A (en) 1980-12-27 1980-12-27 Removing method for porous plug of ladie

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18919380A JPS57110632A (en) 1980-12-27 1980-12-27 Removing method for porous plug of ladie

Publications (1)

Publication Number Publication Date
JPS57110632A true JPS57110632A (en) 1982-07-09

Family

ID=16237065

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18919380A Pending JPS57110632A (en) 1980-12-27 1980-12-27 Removing method for porous plug of ladie

Country Status (1)

Country Link
JP (1) JPS57110632A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU581551B2 (en) * 1985-12-13 1989-02-23 Veitscher Magnesitwerke-Actien-Gessellschaft Device for extracting a porous plug from a well block
US5127633A (en) * 1990-02-14 1992-07-07 Paul Wirth S.A. Apparatus for installing or removing shaft furnace tuyeres or tymps
DE10114467B4 (en) * 2001-03-24 2005-06-23 esb Schweißbetrieb Burbach & Bender GmbH & Co. KG Pull-out and push-in device for a gas purging plug

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU581551B2 (en) * 1985-12-13 1989-02-23 Veitscher Magnesitwerke-Actien-Gessellschaft Device for extracting a porous plug from a well block
US5127633A (en) * 1990-02-14 1992-07-07 Paul Wirth S.A. Apparatus for installing or removing shaft furnace tuyeres or tymps
DE10114467B4 (en) * 2001-03-24 2005-06-23 esb Schweißbetrieb Burbach & Bender GmbH & Co. KG Pull-out and push-in device for a gas purging plug

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