JPS56108821A - Atmospheric heat treating furnace having wall made of ceramic fiber - Google Patents

Atmospheric heat treating furnace having wall made of ceramic fiber

Info

Publication number
JPS56108821A
JPS56108821A JP10299080A JP10299080A JPS56108821A JP S56108821 A JPS56108821 A JP S56108821A JP 10299080 A JP10299080 A JP 10299080A JP 10299080 A JP10299080 A JP 10299080A JP S56108821 A JPS56108821 A JP S56108821A
Authority
JP
Japan
Prior art keywords
wall
thickness
furnace
reduce
insulating 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.)
Pending
Application number
JP10299080A
Other languages
Japanese (ja)
Inventor
Kihei Horikawa
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.)
Chugai Ro Co Ltd
Original Assignee
Chugai Ro 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 Chugai Ro Co Ltd filed Critical Chugai Ro Co Ltd
Priority to JP10299080A priority Critical patent/JPS56108821A/en
Publication of JPS56108821A publication Critical patent/JPS56108821A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)

Abstract

PURPOSE:To reduce the thickness of furnace wall so as to make the weight of the furnace smaller, by lining the steel sheet of furnace wall with fibrous heat insulating material of specific thickness, and by attaching ceramic boards of specific thickness, coated with glaze consisting essentially of silicic acid, on the surface of the insulating material. CONSTITUTION:A heat treating furance 1 in which a reducing gas is used as an atmosphere is constituted of a ceiling wall 2, side walls 3, and a bottom wall 4. The steel sheet 11 of the ceiling wall 2 and the side wall 3 is lined with fibrous heat insulating material 12 such as ceramic wool, slag wool 75-300mm. in thickness, and the lining is fastened by pins 13. To the surfaces of the insulating materials are attached ceramic boards 14-25mm. in thickness coated with glaze consisting essentially of silicic acid. Compressed alumina silicate fiber is used as the ceramic boards. Hence, this method allows to reduce the wall thickness to 1/2 that of conventional wall, and to reduce the weight of furnace to 1/5-1/10 that of conventional furnace.
JP10299080A 1980-07-25 1980-07-25 Atmospheric heat treating furnace having wall made of ceramic fiber Pending JPS56108821A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10299080A JPS56108821A (en) 1980-07-25 1980-07-25 Atmospheric heat treating furnace having wall made of ceramic fiber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10299080A JPS56108821A (en) 1980-07-25 1980-07-25 Atmospheric heat treating furnace having wall made of ceramic fiber

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP9647573A Division JPS562128B2 (en) 1973-08-28 1973-08-28

Publications (1)

Publication Number Publication Date
JPS56108821A true JPS56108821A (en) 1981-08-28

Family

ID=14342134

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10299080A Pending JPS56108821A (en) 1980-07-25 1980-07-25 Atmospheric heat treating furnace having wall made of ceramic fiber

Country Status (1)

Country Link
JP (1) JPS56108821A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62259808A (en) * 1986-05-06 1987-11-12 三菱電機株式会社 Wafer breaking device
JPS6310399U (en) * 1986-07-09 1988-01-23
JPH0389150U (en) * 1989-12-27 1991-09-11
JP2007093161A (en) * 2005-09-30 2007-04-12 Dowa Holdings Co Ltd Continuous heat treatment furnace
JP2007093160A (en) * 2005-09-30 2007-04-12 Dowa Holdings Co Ltd Heat treatment furnace
JP2010203767A (en) * 2010-04-12 2010-09-16 Dowa Holdings Co Ltd Heat treat furnace
JP2017166727A (en) * 2016-03-15 2017-09-21 三菱ケミカル株式会社 Inorganic fibrous heat insulation material and method for manufacturing the same

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4896475A (en) * 1972-02-08 1973-12-10
JPS5045709A (en) * 1973-08-28 1975-04-24

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4896475A (en) * 1972-02-08 1973-12-10
JPS5045709A (en) * 1973-08-28 1975-04-24

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62259808A (en) * 1986-05-06 1987-11-12 三菱電機株式会社 Wafer breaking device
JPS6310399U (en) * 1986-07-09 1988-01-23
JPH0389150U (en) * 1989-12-27 1991-09-11
JP2007093161A (en) * 2005-09-30 2007-04-12 Dowa Holdings Co Ltd Continuous heat treatment furnace
JP2007093160A (en) * 2005-09-30 2007-04-12 Dowa Holdings Co Ltd Heat treatment furnace
JP2010203767A (en) * 2010-04-12 2010-09-16 Dowa Holdings Co Ltd Heat treat furnace
JP2017166727A (en) * 2016-03-15 2017-09-21 三菱ケミカル株式会社 Inorganic fibrous heat insulation material and method for manufacturing the same

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