JPS5668553A - Heat insulation and heat insulator of molten metal - Google Patents

Heat insulation and heat insulator of molten metal

Info

Publication number
JPS5668553A
JPS5668553A JP14633379A JP14633379A JPS5668553A JP S5668553 A JPS5668553 A JP S5668553A JP 14633379 A JP14633379 A JP 14633379A JP 14633379 A JP14633379 A JP 14633379A JP S5668553 A JPS5668553 A JP S5668553A
Authority
JP
Japan
Prior art keywords
heat
molten metal
heat insulator
lagging material
foaming
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
JP14633379A
Other languages
Japanese (ja)
Inventor
Takafumi Matsuzaki
Mineharu Shimoda
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.)
DANHIITO KK
Nippon Steel Corp
Original Assignee
DANHIITO KK
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 DANHIITO KK, Nippon Steel Corp filed Critical DANHIITO KK
Priority to JP14633379A priority Critical patent/JPS5668553A/en
Publication of JPS5668553A publication Critical patent/JPS5668553A/en
Pending legal-status Critical Current

Links

Landscapes

  • Manufacture And Refinement Of Metals (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Continuous Casting (AREA)

Abstract

PURPOSE: To make it possible to insulate heat of molten metal efficiently by covering the surface of molten metal with a heat insulating lagging material and covering the lagging material with thermally expanded foaming heat insulator, such as vermiculite, obsidian, pearlite, pitchstone, etc., which has not been foamed yet.
CONSTITUTION: The surface of molten metal is covered with a platy heat insulating lagging material, such as diatom earth, bentonite, etc. On this lagging material, a thermally expanded foaming heat insulator, such as vermiculite, obsidian, pearlite, pitchstone, etc., is put under its granular condition or after it is formed into a platy form with alumina cement, slaked lime, portland cement, etc. Therefore, when the thermally expanded foaming heat insulator reaches its foaming temperature through heat transmission from the molten metal, it foams gradually and finally forms a good heat insulating layer after the foaming heat insulator is expanded for 20W25 times in volume. This platy heat insulator may be transported by lifting when a lifting hook is fitted to the heat insulator.
COPYRIGHT: (C)1981,JPO&Japio
JP14633379A 1979-11-12 1979-11-12 Heat insulation and heat insulator of molten metal Pending JPS5668553A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14633379A JPS5668553A (en) 1979-11-12 1979-11-12 Heat insulation and heat insulator of molten metal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14633379A JPS5668553A (en) 1979-11-12 1979-11-12 Heat insulation and heat insulator of molten metal

Publications (1)

Publication Number Publication Date
JPS5668553A true JPS5668553A (en) 1981-06-09

Family

ID=15405307

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14633379A Pending JPS5668553A (en) 1979-11-12 1979-11-12 Heat insulation and heat insulator of molten metal

Country Status (1)

Country Link
JP (1) JPS5668553A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04182370A (en) * 1990-11-17 1992-06-29 Sanenerugii Kk Block-shaped protective material for molten metal and its production
KR100562638B1 (en) * 2001-12-12 2006-03-20 주식회사 포스코 Insulating materials for molten steel in ladle

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49126526A (en) * 1973-04-11 1974-12-04

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49126526A (en) * 1973-04-11 1974-12-04

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04182370A (en) * 1990-11-17 1992-06-29 Sanenerugii Kk Block-shaped protective material for molten metal and its production
KR100562638B1 (en) * 2001-12-12 2006-03-20 주식회사 포스코 Insulating materials for molten steel in ladle

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