Title:
BURNER AND BOILER EQUIPPED WITH SAME, AND BURNER OPERATION METHOD
Document Type and Number:
WIPO Patent Application WO/2023/120701
Kind Code:
A1
Abstract:
Provided is a burner capable of increasing the co-firing rate of ammonia fuel when co-firing the ammonia fuel and pulverized fuel. The present invention comprises: an inner cylinder nozzle (61) that extends along a central axis (CL); an outer cylinder nozzle (62) that extends along the central axis (CL) and is disposed so as to cover the inner cylinder nozzle (61), and supplies pulverized fuel and primary air into a furnace; a pulverized fuel flame stabilizer (71) for stabilizing the flame of the pulverized fuel supplied from the outer cylinder nozzle (62); and a concentrator (69) that is disposed inside the outer cylinder nozzle (62) and concentrates the pulverized fuel on the pulverized fuel flame stabilizer (71) side. Ammonia fuel is supplied to the inner cylinder nozzle (61).
Inventors:
MINE TOSHIHIKO (JP)
KITAKAZE KOSUKE (JP)
OCHI YUSUKE (JP)
KURAMASHI KOJI (JP)
TOMINAGA YUKIHIRO (JP)
TAKAYAMA AKIMASA (JP)
KAWASOE YUZO (JP)
KITAKAZE KOSUKE (JP)
OCHI YUSUKE (JP)
KURAMASHI KOJI (JP)
TOMINAGA YUKIHIRO (JP)
TAKAYAMA AKIMASA (JP)
KAWASOE YUZO (JP)
Application Number:
PCT/JP2022/047611
Publication Date:
June 29, 2023
Filing Date:
December 23, 2022
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD (JP)
International Classes:
F23C1/12; F23C1/10; F23D17/00
Foreign References:
| JP2019203631A | 2019-11-28 | |||
| JP2018200144A | 2018-12-20 | |||
| JP2016130619A | 2016-07-21 | |||
| JP2020041748A | 2020-03-19 | |||
| JP2018124011A | 2018-08-09 | |||
| JPH11132414A | 1999-05-21 |
Attorney, Agent or Firm:
FUJITA, Takaharu (JP)
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