Title:
BOILER PLANT
Document Type and Number:
WIPO Patent Application WO/2012/114944
Kind Code:
A1
Abstract:
A boiler plant, which has a simple configuration for preheating air and is capable of improving efficiency, is provided. The boiler plant is provided with: a circulation flow path (33), which branches off from an aerator (19) of a water supply system (7) for a boiler (3) and then converges on the aerator (19), forces hot water to circulate through the aerator (19); a water-heated-type air preheater (37), which is disposed on the circulation flow path (33), and which heats combustion air using hot water; and a hot water economizer (39), which heats the hot water discharged from the water-heated-type air preheater (37) using exhaust gas from the boiler (3).
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Inventors:
YAMADA DAISUKE (JP)
HIRAOKA KAZUYOSHI (JP)
UCHIDA ISAO (JP)
HIRAOKA KAZUYOSHI (JP)
UCHIDA ISAO (JP)
Application Number:
PCT/JP2012/053416
Publication Date:
August 30, 2012
Filing Date:
February 14, 2012
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD (JP)
YAMADA DAISUKE (JP)
HIRAOKA KAZUYOSHI (JP)
UCHIDA ISAO (JP)
YAMADA DAISUKE (JP)
HIRAOKA KAZUYOSHI (JP)
UCHIDA ISAO (JP)
International Classes:
F23L15/00; F22D1/02
Foreign References:
| JP2010210230A | 2010-09-24 | |||
| JPH08121703A | 1996-05-17 | |||
| JPS58153006A | 1983-09-10 |
Attorney, Agent or Firm:
FUJITA, Takaharu et al. (JP)
Takaharu Fujita (JP)
Takaharu Fujita (JP)
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Claims: