JPS58193311A - Batchwise heat treatment furnace - Google Patents

Batchwise heat treatment furnace

Info

Publication number
JPS58193311A
JPS58193311A JP7367682A JP7367682A JPS58193311A JP S58193311 A JPS58193311 A JP S58193311A JP 7367682 A JP7367682 A JP 7367682A JP 7367682 A JP7367682 A JP 7367682A JP S58193311 A JPS58193311 A JP S58193311A
Authority
JP
Japan
Prior art keywords
temp
fuel
heating
treating
controller
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
JP7367682A
Other languages
Japanese (ja)
Inventor
Masayuki Imose
Tadashi Yamamoto
Takao Seno
Sanjiyu Tominaga
Takeshi Kato
Akira Hirayama
Mitsuo Yoshimoto
Original Assignee
Chugai Ro Kogyo Kaisha Ltd
Furukawa Alum 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 Kogyo Kaisha Ltd, Furukawa Alum Co Ltd filed Critical Chugai Ro Kogyo Kaisha Ltd
Priority to JP7367682A priority Critical patent/JPS58193311A/en
Publication of JPS58193311A publication Critical patent/JPS58193311A/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
    • C21D1/34Methods of heating

Abstract

PURPOSE:To provide the titled furnace reduced in fuel cost and enabled in severe temp. control, constituted from such a structure that a burner heating means inexpensive in fuel cost is used when the temp. of a material is raised to rapidly raise the temp. of said material and switched to an electric heating means capable of carrying out the accurate control of a temp. during uniform heating. CONSTITUTION:In the main body 1 of a batchwise heat treatment furnace equipped with a muffle 2 and a recirculation fan 3, when the operation of the furnace is started, a burner heating means consisting a burner 5a using a gas or oil as fuel and a radiant tube 5 is used while a temp. is controlled by a control system consisting of a temp. detector 7, a temp. indicating controller 8 a ratio controller 16, an air flow controller 11, a fuel flow amount controller 12 and control valves 15, 17 to heat a treating material W to a high temp. When the temp. of the treating material W reaches a uniform heating state, a change-over switch 14 is operated by the change-over signal of a monitor switch 9 while the supply of fuel is stopped and the treating material W is uniformly heated by an electric heating means 6.
JP7367682A 1982-04-30 1982-04-30 Batchwise heat treatment furnace Pending JPS58193311A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7367682A JPS58193311A (en) 1982-04-30 1982-04-30 Batchwise heat treatment furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7367682A JPS58193311A (en) 1982-04-30 1982-04-30 Batchwise heat treatment furnace

Publications (1)

Publication Number Publication Date
JPS58193311A true JPS58193311A (en) 1983-11-11

Family

ID=13525064

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7367682A Pending JPS58193311A (en) 1982-04-30 1982-04-30 Batchwise heat treatment furnace

Country Status (1)

Country Link
JP (1) JPS58193311A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62243718A (en) * 1986-04-16 1987-10-24 Nisshin Steel Co Ltd Heat treatment of cold rolled stainless steel strip
JP2007271167A (en) * 2006-03-31 2007-10-18 Central Res Inst Of Electric Power Ind Heat treatment apparatus and heat treatment method
JP2014114510A (en) * 2012-11-30 2014-06-26 Bilstein Gmbh & Co Kg Hood-type annealing furnace and method for operating the same
JP2016053466A (en) * 2014-09-04 2016-04-14 光洋サーモシステム株式会社 Heat treatment device
KR101869409B1 (en) * 2016-12-19 2018-06-21 주식회사 포스코 Continuous annealing furnace

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62243718A (en) * 1986-04-16 1987-10-24 Nisshin Steel Co Ltd Heat treatment of cold rolled stainless steel strip
JP2007271167A (en) * 2006-03-31 2007-10-18 Central Res Inst Of Electric Power Ind Heat treatment apparatus and heat treatment method
JP2014114510A (en) * 2012-11-30 2014-06-26 Bilstein Gmbh & Co Kg Hood-type annealing furnace and method for operating the same
JP2016053466A (en) * 2014-09-04 2016-04-14 光洋サーモシステム株式会社 Heat treatment device
KR101869409B1 (en) * 2016-12-19 2018-06-21 주식회사 포스코 Continuous annealing furnace

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