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Title:
COMBUSTION AIR ADJUSTMENT DEVICE
Document Type and Number:
Japanese Patent JP2011112347
Kind Code:
A
Abstract:

To simultaneously burn different kinds of fuels such as liquid and gas, or a plurality of fuel gases having significantly different compositions by a single burner.

This combustion air adjustment device 6 disposed in the burner 5 having a multiple cylindrical structure, includes a wind box 7 forming a duct space 11 for distributing combustion air, around the burner 5, a first air adjustment section 8 adjacent to an inner peripheral face of the duct space 11, and a second air adjustment section 9 positioned at a tip side of the burner 5 in the duct space 11 and having a back plate 74 at a boundary with the duct space 11. The first air adjustment section 8 has a tertiary air introduction duct 26 communicating the wind box 7 with a central hollow section of the burner 5, and supplies the combustion air as the tertiary air 107 from the center of the burner through the tertiary air introduction duct 26, and the second air adjustment section 9 supplies the combustion air as the secondary air 106 from the wind box 7 through the back plate 74 from an outer periphery of the burner 5.


Inventors:
Tamura, Masahito
Watanabe, Shinji
Itokazu, Ryunosuke
Kurose, Takao
Application Number:
JP2009000272091
Publication Date:
June 09, 2011
Filing Date:
November 30, 2009
Export Citation:
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Assignee:
IHI CORP
International Classes:
F23D17/00
Domestic Patent References:
JP2000356307A
JPS61165510A
JPS53114631U
JPS6189636U
JPH0611109A
JPH055507A
JPH09287713A
Attorney, Agent or Firm:
三好 祥二



 
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