Title:
COMBUSTION BURNER, SOLID-FUEL-FIRED BURNER, SOLID-FUEL-FIRED BOILER, BOILER, AND METHOD FOR OPERATING BOILER
Document Type and Number:
WIPO Patent Application WO/2012/137573
Kind Code:
A1
Abstract:
A combustion burner, wherein there are provided a fuel nozzle (51) through which can be blown a fuel gas that is a mixture of pulverized coal and primary air, and a secondary air nozzle (52) through which can be blown secondary air from the exterior of the fuel nozzle (51). A flame stabilizer (54) is provided toward the axial center at a distal end of the fuel nozzle (51), and a rectification member (55) is provided between an inner wall surface of the fuel nozzle (51) and the flame stabilizer (54), thereby making it possible to achieve an optimal flow of fuel gas that is a mixture of solid fuel and air.
Inventors:
MATSUMOTO KEIGO
DOMOTO KAZUHIRO
ABE NAOFUMI
KASAI JUN
DOMOTO KAZUHIRO
ABE NAOFUMI
KASAI JUN
Application Number:
PCT/JP2012/055850
Publication Date:
October 11, 2012
Filing Date:
March 07, 2012
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD (JP)
MATSUMOTO KEIGO
DOMOTO KAZUHIRO
ABE NAOFUMI
KASAI JUN
MATSUMOTO KEIGO
DOMOTO KAZUHIRO
ABE NAOFUMI
KASAI JUN
International Classes:
F23D1/00; F23C6/04; F23L9/02
Foreign References:
| JP2009204256A | 2009-09-10 | |||
| JP2010270991A | 2010-12-02 | |||
| JP2010270992A | 2010-12-02 | |||
| JPH01217109A | 1989-08-30 | |||
| JP2010139180A | 2010-06-24 | |||
| JPS60263014A | 1985-12-26 | |||
| JPH08200618A | 1996-08-06 | |||
| JP2010270990A | 2010-12-02 | |||
| JP2010270993A | 2010-12-02 | |||
| JPH08135919A | 1996-05-31 | |||
| JP2006189188A | 2006-07-20 | |||
| JPH08296815A | 1996-11-12 | |||
| JPH09203505A | 1997-08-05 | |||
| JP2006057903A | 2006-03-02 | |||
| JP2008145007A | 2008-06-26 |
Other References:
See also references of EP 2696139A4
Attorney, Agent or Firm:
SAKAI, Hiroaki et al. (JP)
Hiroaki Sakai (JP)
Hiroaki Sakai (JP)
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Claims: