Title:
加熱炉の冷却方法及び装置
Document Type and Number:
Japanese Patent JP3786210
Kind Code:
B2
Abstract:
A method for cooling the heating furnace during the dormant stage of the heating furnace; said method surely and sufficiently shortens the cooling time of the heating furnace irrespective of seasons such as summer or winter, and yet, without damaging the inner furnace refractories. Furthermore, the method is applicable to ceramic fiber furnaces. The method comprises: inserting, from an extracting port to the inside of the heating furnace, a plurality of lances being arranged along the width direction of the extracting port of said furnace while taking a predetermined distance between each other; and spraying, from a plurality of spray nozzles provided on the lances, a coolant in the form of a mist against a scale deposited inside the heating furnace. Optionally, a cooling fan is provided to forcibly supply a cooling air into the heating furnace.
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Inventors:
Masaharu Yoshida
Futako Nakagawa
Futako Nakagawa
Application Number:
JP54792698A
Publication Date:
June 14, 2006
Filing Date:
June 26, 1998
Export Citation:
Assignee:
jfe Steel Corporation
International Classes:
F27B9/30; C21D1/00; F27D1/16; F27D9/00
Domestic Patent References:
| JP6328817A | ||||
| JP5345049Y2 | ||||
| JP3219745C1 | ||||
| JP4280913A |
Attorney, Agent or Firm:
Tetsuya Mori
Yoshiaki Naito
Cui Shu Tetsu
Yoshiaki Naito
Cui Shu Tetsu