Title:
OXYGEN MIXING APPARATUS FOR OXYGEN COMBUSTION BOILER
Document Type and Number:
WIPO Patent Application WO/2011/055528
Kind Code:
A1
Abstract:
Disclosed is an oxygen mixing apparatus for an oxygen combustion boiler, wherein circulated exhaust gas (8a) is heated by a rotary preheater (11a), and mixed gas (4) obtained by mixing oxygen with the circulated exhaust gas (8a) is introduced to a boiler furnace (1) by a combustion gas duct (3) having bent portions (21a, 21b, 21c). Oxygen discharging nozzles (23) which have a plurality of injection ports (26) and inject oxygen (22) into the circulated exhaust gas (8a) are disposed in the closest bent portion (21a) of the combustion gas duct (3) to the rotary preheater (11a).
Inventors:
UCHIDA TERUTOSHI (JP)
ISHII TORU (JP)
YAMADA TOSHIHIKO (JP)
WATANABE SHUZO (JP)
ISO YOSHIYUKI (JP)
ISHII TORU (JP)
YAMADA TOSHIHIKO (JP)
WATANABE SHUZO (JP)
ISO YOSHIYUKI (JP)
Application Number:
PCT/JP2010/006451
Publication Date:
May 12, 2011
Filing Date:
November 02, 2010
Export Citation:
Assignee:
IHI CORP (JP)
UCHIDA TERUTOSHI (JP)
ISHII TORU (JP)
YAMADA TOSHIHIKO (JP)
WATANABE SHUZO (JP)
ISO YOSHIYUKI (JP)
UCHIDA TERUTOSHI (JP)
ISHII TORU (JP)
YAMADA TOSHIHIKO (JP)
WATANABE SHUZO (JP)
ISO YOSHIYUKI (JP)
International Classes:
F23C9/08; B01F23/10; F22B31/00; F23L7/00
Domestic Patent References:
| WO2009110033A1 | 2009-09-11 |
Foreign References:
| JPH05212258A | 1993-08-24 | |||
| JPH10165769A | 1998-06-23 | |||
| JPH03291406A | 1991-12-20 | |||
| JP2007147162A | 2007-06-14 |
Other References:
See also references of EP 2500642A4
Attorney, Agent or Firm:
Patent firm YAMADA PATENT OFFICE (JP)
Patent business corporation Yamada patent firm (JP)
Patent business corporation Yamada patent firm (JP)
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