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Title:
COMBUSTION DEVICE
Document Type and Number:
Japanese Patent JP2010230196
Kind Code:
A
Abstract:

To provide a combustion device capable of efficiently burning combustible waste together with the main fuel such as pulverized coal within a kiln without finely pulverizing the combustible waste like the pulverized coal and of effectively using the combustible waste as heat energy.

The combustion device includes: a waste injection means for injecting the combustible waste from a waste injection port 11 while spirally turning the combustible waste; a first inner-air injection means for injecting air from first inner-air injection ports 31 arranged to surround the waste injection port 11; a second inner air injection means for injecting air from second inner-air injection ports 41 arranged to surround the first inner air injection ports 31; the main fuel injection means for injecting main powder or liquid fuel from main fuel injection ports 51 arranged to surround the second inner air injection ports 41; and an outer air injection means for injecting air from outer air injection ports 61 arranged to surround the main fuel injection ports 51. The injected combustible waste is diffused and mixed with the main fuel while turning, so as to facilitate the complete combustion of the combustible waste.


Inventors:
Ohashi, Hiroshi
Suzuki, Tomohisa
Application Number:
JP2009000075763
Publication Date:
October 14, 2010
Filing Date:
March 26, 2009
Export Citation:
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Assignee:
SUMITOMO OSAKA CEMENT CO LTD
International Classes:
F23D17/00; C04B7/44; F23G5/44
Domestic Patent References:
JP2003090522A
JP2001012705A
JPH10160131A
JPH09159135A
JPH11304116A
JP2005273973A
JP2008039362A
Foreign References:
WO2009034626A1
Attorney, Agent or Firm:
藤本 昇
薬丸 誠一
中谷 寛昭
小山 雄一