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Title:
TWO-MODE COMBUSTION BURNER AND FUEL CELL INCLUDING THE SAME
Document Type and Number:
Japanese Patent JP2010286130
Kind Code:
A
Abstract:

To provide a burner capable of safely burning gas of which combustion speed is fast, such as off-gas and gas of which combustion speed is not so fast, such as city gas by using the one burner without causing the possibility of flashback, and a fuel cell using the burner.

This two-mode combustion burner includes: a burner inner pipe having one bottomed end, the other opened end and a first gas flow passage formed inside; a burner outer pipe arranged on the outer side of the burner inner pipe, having one bottomed end on the same side as the burner inner pipe and the other end opened in the position in the vicinity of the opening of the burner inner pipe and forming a second gas flow passage between the burner outer pipe and the burner inner pipe; a first gas supply port opened in the first gas flow passage within the burner inner pipe in the vicinity of the bottom of the burner inner pipe; a second gas supply port opened in the second gas flow passage within the burner outer pipe in the vicinity of the bottom of the burner outer pipe; and ignition means arranged at a tip on the opening side of the burner inner pipe and the burner outer pipe. The fuel cell includes the burner.


Inventors:
Saimiya, Hisayuki
Yumoto, Norio
Application Number:
JP2009000138239
Publication Date:
December 24, 2010
Filing Date:
June 09, 2009
Export Citation:
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Assignee:
TOKYO GAS CO LTD
HOSOYAMA NEKKI KK
International Classes:
F23D17/00; F23D14/02; F23D14/22; H01M8/06
Domestic Patent References:
JPH08152114A1996-06-11
JPH0828826A1996-02-02
JPS6241510A1987-02-23
JP2009024993A2009-02-05
Attorney, Agent or Firm:
須磨 光夫