Title:
BOILER
Document Type and Number:
WIPO Patent Application WO/2020/204122
Kind Code:
A1
Abstract:
This boiler (1) is characterized by comprising: a furnace (2); a sub lateral wall part (12) provided on the gas-flow-direction downstream side of an upper part of the furnace (2); a can rear part (11) disposed in rear of the sub lateral wall part (12); and a soot removing device (21) that has a nozzle (22) configured to be accessible to the inside of the sub lateral wall part (12) from the bottom surface (13) of the sub lateral wall part (12) and that removes soot on the bottom surface (13) of the sub lateral wall part (12) by spraying a soot removing medium from the nozzle (22). The present invention can suppress deposition of ash in the bottom surface of the sub lateral wall part compared to conventional configurations even when low-quality coal is used.
Inventors:
SHIMOGORI MIKI (JP)
MORI KOICHIRO (JP)
MURAKAMI KAZUO (JP)
YOKOYAMA YASUSHI (JP)
IDEI TAKASHI (JP)
YAMAGUCHI RYOSUKE (JP)
MORI KOICHIRO (JP)
MURAKAMI KAZUO (JP)
YOKOYAMA YASUSHI (JP)
IDEI TAKASHI (JP)
YAMAGUCHI RYOSUKE (JP)
Application Number:
PCT/JP2020/015142
Publication Date:
October 08, 2020
Filing Date:
April 02, 2020
Export Citation:
Assignee:
MITSUBISHI HITACHI POWER SYS (JP)
International Classes:
F22B37/48; F23J3/00
Foreign References:
| CN107883388A | 2018-04-06 | |||
| JP2010145050A | 2010-07-01 | |||
| JP2002213729A | 2002-07-31 | |||
| CN108036341A | 2018-05-15 | |||
| CN104696975A | 2015-06-10 | |||
| CN203963965U | 2014-11-26 | |||
| JP2008304178A | 2008-12-18 |
Attorney, Agent or Firm:
KAMEI Takeyuki (JP)
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