JPS55100868A - Packing method of nozzle hole packing material for controlling flow of molten metal - Google Patents

Packing method of nozzle hole packing material for controlling flow of molten metal

Info

Publication number
JPS55100868A
JPS55100868A JP655879A JP655879A JPS55100868A JP S55100868 A JPS55100868 A JP S55100868A JP 655879 A JP655879 A JP 655879A JP 655879 A JP655879 A JP 655879A JP S55100868 A JPS55100868 A JP S55100868A
Authority
JP
Japan
Prior art keywords
molten metal
packing material
packing
covering
covering material
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
JP655879A
Other languages
Japanese (ja)
Other versions
JPS5733091B2 (en
Inventor
Hiroshi Kyoda
Takeo Otani
Yasutoshi Nanba
Nobuo Ayusawa
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.)
Shinagawa Refractories Co Ltd
Original Assignee
Shinagawa Refractories Co 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 Shinagawa Refractories Co Ltd filed Critical Shinagawa Refractories Co Ltd
Priority to JP655879A priority Critical patent/JPS55100868A/en
Publication of JPS55100868A publication Critical patent/JPS55100868A/en
Publication of JPS5733091B2 publication Critical patent/JPS5733091B2/ja
Granted 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
    • B22D41/44—Consumable closure means, i.e. closure means being used only once
    • B22D41/46—Refractory plugging masses

Landscapes

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

Abstract

PURPOSE:To prevent the entry and solidification of molten metal into nozzle orifice and the sintering of packing material by packing the granular packing material of the specified grain size into the nozzle orifice for controlling the flow of molten metal and further covering the upper part of the packing material with covering material and heat-setting the same. CONSTITUTION:The packing material composed of carbon grains, iron grains, etc. of grain sizes 3.0-0.1mm, particularly 1.5-0.3mm is packed in the nozzle orifice for flow control disposed in the bottom of a molten metal vessel such as ladle or tundish. And further the upper part of this packing material is covered with covering material of silica sol, alumina sol, etc., after which it is heat-set. The charging amount of the covering material of this case is preferably such an amount at which it covers the entire surface. In general, the amount at which it spreads at thicknesses of 10-20mm over the entire surface is used. Next, this covering material sets at the atmospheric temperature of 400 deg.C or more in the ladle, thereby forming the sintered layer on its surface layer part. Even when molten metal stagnates long in the vessel, the natural opening rate of the nozzle may be considerably improved.
JP655879A 1979-01-25 1979-01-25 Packing method of nozzle hole packing material for controlling flow of molten metal Granted JPS55100868A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP655879A JPS55100868A (en) 1979-01-25 1979-01-25 Packing method of nozzle hole packing material for controlling flow of molten metal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP655879A JPS55100868A (en) 1979-01-25 1979-01-25 Packing method of nozzle hole packing material for controlling flow of molten metal

Publications (2)

Publication Number Publication Date
JPS55100868A true JPS55100868A (en) 1980-08-01
JPS5733091B2 JPS5733091B2 (en) 1982-07-15

Family

ID=11641653

Family Applications (1)

Application Number Title Priority Date Filing Date
JP655879A Granted JPS55100868A (en) 1979-01-25 1979-01-25 Packing method of nozzle hole packing material for controlling flow of molten metal

Country Status (1)

Country Link
JP (1) JPS55100868A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59195785U (en) * 1983-06-14 1984-12-26 住友電気工業株式会社 Relay mounting structure of wire coupler

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5510374A (en) * 1978-07-11 1980-01-24 Kurosaki Refract Co Ltd Packing method for packing material into hole of sliding nozzle and packing material for this purpose

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5510374A (en) * 1978-07-11 1980-01-24 Kurosaki Refract Co Ltd Packing method for packing material into hole of sliding nozzle and packing material for this purpose

Also Published As

Publication number Publication date
JPS5733091B2 (en) 1982-07-15

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