The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 29, 2001
Filed:
Feb. 26, 1999
Masaharu Yoshida, Kurashiki, JP;
Tsuguhiko Nakagawa, Kurashiki, JP;
Kawasaki Steel Corporation, Kobe, JP;
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.