JPS642769A - Stopper for tundish - Google Patents

Stopper for tundish

Info

Publication number
JPS642769A
JPS642769A JP15785987A JP15785987A JPS642769A JP S642769 A JPS642769 A JP S642769A JP 15785987 A JP15785987 A JP 15785987A JP 15785987 A JP15785987 A JP 15785987A JP S642769 A JPS642769 A JP S642769A
Authority
JP
Japan
Prior art keywords
nozzle
stopper
molten metal
end part
conical projection
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
JP15785987A
Other languages
Japanese (ja)
Other versions
JPH012769A (en
Inventor
Koichi Tozawa
Nagayasu Bessho
Tetsuya Fujii
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 Steel Corp
Original Assignee
Kawasaki 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 Kawasaki Steel Corp filed Critical Kawasaki Steel Corp
Priority to JP62-157859A priority Critical patent/JPH012769A/en
Priority claimed from JP62-157859A external-priority patent/JPH012769A/en
Publication of JPS642769A publication Critical patent/JPS642769A/en
Publication of JPH012769A publication Critical patent/JPH012769A/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
    • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/14—Closures
    • B22D41/16—Closures stopper-rod type, i.e. a stopper-rod being positioned downwardly through the vessel and the metal therein, for selective registry with the pouring opening
    • B22D41/18—Stopper-rods therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)

Abstract

PURPOSE:To prevent nozzle clogging and to improve quality of a cast slab by arranging bottom part corresponding to inlet diameter of the nozzle and also conical projection having the prescribed apex angle at end part of the stopper head. CONSTITUTION:The stopper 1 for controlling molten metal flowing in a tundish is arranged to the nozzle 2, and also the conical projection having 30-100 deg. the apex angle at the end part of the stopper is arranged so as to be possible to insert into the nozzle 2. Then, the bottom part of the stopper 1 is made to provide the size and shape, so as to stop the flowing of molten metal by fitting to the nozzle 2. By this method, the end part of the stopper 1 by the conical projection into the nozzle 2 prevents the sharp enlargement of the flowing passage of the molten metal. Therefore, the growth of stuck material of Al2O3, etc., in the inner face of the nozzle 2 is eliminated and the nozzle clogging is perfectly prevented. Further, as dropping of the stuck material is eliminated the quality of the cast slab is improved.
JP62-157859A 1987-06-26 Stopper for tundish Pending JPH012769A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62-157859A JPH012769A (en) 1987-06-26 Stopper for tundish

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62-157859A JPH012769A (en) 1987-06-26 Stopper for tundish

Publications (2)

Publication Number Publication Date
JPS642769A true JPS642769A (en) 1989-01-06
JPH012769A JPH012769A (en) 1989-01-06

Family

ID=

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010112202A1 (en) * 2009-03-30 2010-10-07 Vdeh-Betriebsforschungsinstitut Gmbh Closure plug for an outlet opening of a container and container having a closure plug
US11946661B2 (en) 2021-01-29 2024-04-02 Robert M. Rohde Variable airflow energy efficient HVAC systems and methods

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010112202A1 (en) * 2009-03-30 2010-10-07 Vdeh-Betriebsforschungsinstitut Gmbh Closure plug for an outlet opening of a container and container having a closure plug
US11946661B2 (en) 2021-01-29 2024-04-02 Robert M. Rohde Variable airflow energy efficient HVAC systems and methods

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