JPS57126909A - Continuous annealing furnace - Google Patents

Continuous annealing furnace

Info

Publication number
JPS57126909A
JPS57126909A JP1312681A JP1312681A JPS57126909A JP S57126909 A JPS57126909 A JP S57126909A JP 1312681 A JP1312681 A JP 1312681A JP 1312681 A JP1312681 A JP 1312681A JP S57126909 A JPS57126909 A JP S57126909A
Authority
JP
Japan
Prior art keywords
zone
temperature
gas
treating
preheating
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
JP1312681A
Other languages
Japanese (ja)
Other versions
JPH0124845B2 (en
Inventor
Yoshikazu Shimozato
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 JP1312681A priority Critical patent/JPS57126909A/en
Publication of JPS57126909A publication Critical patent/JPS57126909A/en
Publication of JPH0124845B2 publication Critical patent/JPH0124845B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Heat Treatments In General, Especially Conveying And Cooling (AREA)

Abstract

PURPOSE: To perform energy-saved operation of a continuous annealing furnace comprising a preheating zone, a high-temperature treating zone and a cooling zone, by circulating in-furnace atmosphere gas from the preheating zone to the cooling zone through an atmosphere-circulating duct outside the furnace.
CONSTITUTION: High-temperature atmosphere gas at a high-temperature treating zone 4 flows to a preheating zone 3, and is forcedly circulated by a convection fan 7 attached to a roof at the preheating zone 3, so that temperature distribution at the preheating zone 3 is homogenized and efficiently heat-exchanged with a workpiece W to be treated. The atmosphere gas, which comes at a relatively lower temperature in the preheating zone 3, is fed through a circulating duct 8 into a cooling zone 5 by a fan 9 and forcedly circulated by a convection fan 7 attached to a roof at the cooling zone 5. The gas is heat-exchanged with the workpiece W from the treating zone 4 and uniformly cools the work-piece W. The temperature of the resultant gas is raised, and the gas is returned to the treating zone 4. Change of a heat cycle is done by setting the temperature in the treating zone 4 and controlling the opening rate of a control valve 10.
COPYRIGHT: (C)1982,JPO&Japio
JP1312681A 1981-01-31 1981-01-31 Continuous annealing furnace Granted JPS57126909A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1312681A JPS57126909A (en) 1981-01-31 1981-01-31 Continuous annealing furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1312681A JPS57126909A (en) 1981-01-31 1981-01-31 Continuous annealing furnace

Publications (2)

Publication Number Publication Date
JPS57126909A true JPS57126909A (en) 1982-08-06
JPH0124845B2 JPH0124845B2 (en) 1989-05-15

Family

ID=11824460

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1312681A Granted JPS57126909A (en) 1981-01-31 1981-01-31 Continuous annealing furnace

Country Status (1)

Country Link
JP (1) JPS57126909A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110234775A (en) * 2017-02-02 2019-09-13 杰富意钢铁株式会社 Continuous annealing furnace

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110234775A (en) * 2017-02-02 2019-09-13 杰富意钢铁株式会社 Continuous annealing furnace

Also Published As

Publication number Publication date
JPH0124845B2 (en) 1989-05-15

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