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Title:
INDUSTRIAL FURNACE AND METHOD OF UTILIZING HEAT THEREFROM
Document Type and Number:
WIPO Patent Application WO/2017/163624
Kind Code:
A1
Abstract:
Provided is an industrial furnace whereby reduction of furnace wall radiation can be intertwined with energy savings. This industrial furnace is a continuous industrial furnace which has an inlet, a heating zone, a cooling zone, and an outlet in this order so as to heat a workpiece while conveying the workpiece from inlet to outlet. The heating zone at least partially has a furnace wall insulation structure, which is equipped with an outer wall that has one or more gas introduction ports and a porous heat insulating layer that is installed on the inner side of the outer wall with a gap therebetween. The heating zone also has one or more exhaust ports for sucking out gas entering the heating zone of the furnace by passing through the gap and porous heat insulating layer in this order from the gas introduction ports after the gas has flowed toward the inlet side.

Inventors:
HANZAWA,Shigeru (2-56, Suda-cho, Mizuho-ku, Nagoya-sh, Aichi 30, 〒4678530, JP)
YASUE,Takashi (2-56, Suda-cho, Mizuho-ku, Nagoya-sh, Aichi 30, 〒4678530, JP)
Application Number:
JP2017/003834
Publication Date:
September 28, 2017
Filing Date:
February 02, 2017
Export Citation:
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Assignee:
NGK INSULATORS, LTD. (2-56, Suda-cho Mizuho-ku, Nagoya-sh, Aichi 30, 〒4678530, JP)
International Classes:
F27B9/34; F27D7/02; F27D17/00
Foreign References:
JPS618355B21986-03-13
JPS56146982A1981-11-14
JP2004225995A2004-08-12
JPS57200900U1982-12-21
JPH0525296U1993-04-02
JPH0341295A1991-02-21
Attorney, Agent or Firm:
AXIS PATENT INTERNATIONAL (Shimbashi i-mark Bldg, 6-2 Shimbashi 2-Chome Minato-k, Tokyo 04, 〒1050004, JP)
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