Title:
セラミック多孔体焼成用トンネルキルン
Document Type and Number:
Japanese Patent JP5879629
Kind Code:
B2
Abstract:
The invention provides a tunnel kiln for firing ceramic porous bodies which can fire ceramic porous bodies containing organic binders in a shorter period of time than in conventional methods without producing breaks or requiring nitrogen gas. The tunnel kiln includes a preheating zone 1, a firing zone 2, and a cooling zone 3 and fires the ceramic porous bodies loaded on a carriage 7 by driving it in a furnace. A heat storage regenerative burner 10 is used as means of heating the firing zone 2 so that low-oxygen-concentration exhaust gas discharged from the heat storage regenerative burner 10 may be returned to an exhaust gas return line 14 and supplied into the preheating zone 1. The exhaust gas return line 14 may be provided with a combustion device 17 that reduces the oxygen concentration by consuming oxygen contained in the exhaust gas.
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Inventors:
Jotaro Miyata
Akira Ihara
Takashi Yasue
Akira Ihara
Takashi Yasue
Application Number:
JP2013505927A
Publication Date:
March 08, 2016
Filing Date:
March 15, 2012
Export Citation:
Assignee:
Nippon Insulator Co., Ltd.
International Classes:
C04B33/32; F27B9/04; F27B9/12; F27B9/26; F27B9/36; F27D7/06
Domestic Patent References:
| JP2007001843A | 2007-01-11 | |||
| JPH11223467A | 1999-08-17 | |||
| JP2000205754A | 2000-07-28 | |||
| JPS55144474A | 1980-11-11 | |||
| JP2007001843A | 2007-01-11 | |||
| JPH11223467A | 1999-08-17 |
Foreign References:
| WO2005047207A1 | 2005-05-26 |
Attorney, Agent or Firm:
Fumio Yamamoto
Tatsuo Watanuki
Tatsuo Watanuki
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