JPS5726129A - Heat treatment device for metallic strip and method for using heat treatment device - Google Patents

Heat treatment device for metallic strip and method for using heat treatment device

Info

Publication number
JPS5726129A
JPS5726129A JP10082280A JP10082280A JPS5726129A JP S5726129 A JPS5726129 A JP S5726129A JP 10082280 A JP10082280 A JP 10082280A JP 10082280 A JP10082280 A JP 10082280A JP S5726129 A JPS5726129 A JP S5726129A
Authority
JP
Japan
Prior art keywords
gas
cooling
heat treatment
treatment device
chamber
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
JP10082280A
Other languages
Japanese (ja)
Other versions
JPS6259174B2 (en
Inventor
Hiroshi Ito
Kenji Kawate
Hiroshi Tawara
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.)
Daido Steel Co Ltd
Original Assignee
Daido Steel 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 Daido Steel Co Ltd filed Critical Daido Steel Co Ltd
Priority to JP10082280A priority Critical patent/JPS5726129A/en
Publication of JPS5726129A publication Critical patent/JPS5726129A/en
Publication of JPS6259174B2 publication Critical patent/JPS6259174B2/ja
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54—Furnaces for treating strips or wire
    • C21D9/56—Continuous furnaces for strip or wire
    • C21D9/63—Continuous furnaces for strip or wire the strip being supported by a cushion of gas

Abstract

PURPOSE:To prevent the flow of gases into a heaing chamber and effectively prevent a thermal energy loss by providing means of sucking the amount of the gas corresponding to the excessive amount of the gas in a cooling in the inlet position of the cooling chamber juxtaposed with the heating chamber. CONSTITUTION:In annealing or the like of a metallic strip 8, the strip 8 entered to a heater 1 through a through-hole 6 is supported afloat by a heating gas and is thereby heated. Thence, it enters cooler 15 through a through-hole 7, and is cooled by the cooling gases from chambers 18a, 18b. In this state, a shielding gas is blown through a nozzle 24 from the 1st duct 23 toward the strip 8. This gas is sucked to the 2nd duct 24 through a nozzle 26. Hence, even if the cooling gases blown from plenum chambers 18a, 18b try to flow into the heating chamber side, the inflow thereof is blocked due to the high furnace pressure of the cooling chamber.
JP10082280A 1980-07-23 1980-07-23 Heat treatment device for metallic strip and method for using heat treatment device Granted JPS5726129A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10082280A JPS5726129A (en) 1980-07-23 1980-07-23 Heat treatment device for metallic strip and method for using heat treatment device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10082280A JPS5726129A (en) 1980-07-23 1980-07-23 Heat treatment device for metallic strip and method for using heat treatment device

Publications (2)

Publication Number Publication Date
JPS5726129A true JPS5726129A (en) 1982-02-12
JPS6259174B2 JPS6259174B2 (en) 1987-12-09

Family

ID=14284020

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10082280A Granted JPS5726129A (en) 1980-07-23 1980-07-23 Heat treatment device for metallic strip and method for using heat treatment device

Country Status (1)

Country Link
JP (1) JPS5726129A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58151429A (en) * 1982-03-02 1983-09-08 Chugai Ro Kogyo Kaisha Ltd Continuous heat treatment furnace for metallic strip

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58151429A (en) * 1982-03-02 1983-09-08 Chugai Ro Kogyo Kaisha Ltd Continuous heat treatment furnace for metallic strip
JPS6229493B2 (en) * 1982-03-02 1987-06-26 Chugai Ro Kogyo Kk

Also Published As

Publication number Publication date
JPS6259174B2 (en) 1987-12-09

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