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Title:
COMBUSTION BURNER AND BOILER
Document Type and Number:
Japanese Patent JP2016065662
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To improve the ignitability in an internal combustion chamber to reduce the use frequency of an ignition source and the operation costs in a combustion burner and a boiler.SOLUTION: A combustion burner includes: a fuel nozzle 101 capable of jetting an air-fine powder fuel mixture formed by mixing a fine powder fuel with combustion air; a main combustion chamber 102 provided in the fuel nozzle 101 and forming a cylindrical shape; an ignition source 105 provided in the main combustion chamber 102; guide members 106, 107 which may introduce the air-fine powder fuel mixture flowing in the fuel nozzle 101 to the main combustion chamber 102; and a control device 125 which adjusts angles of the guide members 106, 107 according to a combustion state in the main combustion chamber 102.SELECTED DRAWING: Figure 1

Inventors:
ARIGA TAKESHI
OKAMOTO AKIYASU
MATSUMOTO KEIGO
Application Number:
JP2014194263A
Publication Date:
April 28, 2016
Filing Date:
September 24, 2014
Export Citation:
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Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
F23D1/00; F23C6/04; F23C7/02; F23C99/00; F23N1/00; F23N5/00
Domestic Patent References:
JP2010533833A2010-10-28
JP2014501378A2014-01-20
JPS5069633A1975-06-10
JP2004536270A2004-12-02
JP2011513694A2011-04-28
JPS62142610U1987-09-09
JP2013537299A2013-09-30
Foreign References:
US20120006238A12012-01-12
WO2009126660A22009-10-15
US20130112120A12013-05-09
US2244821A1941-06-10
Attorney, Agent or Firm:
Hiroaki Sakai
Jun Takamura