Title:
EXHAUST GAS PROCESSING SYSTEM AND METHOD
Document Type and Number:
WIPO Patent Application WO/2011/152551
Kind Code:
A1
Abstract:
The disclosed system is equipped with: a desulfurizing device (15) that eliminates sulfur oxides in exhaust gas (12) from a boiler (11); a cooling tower (16) that eliminates residual sulfur oxides in the exhaust gas, and that reduces the gas temperature; an absorption tower that brings CO2 in the aforementioned exhaust gas into contact with a CO2 absorption liquid, eliminating the CO2; a CO2 recovery device (17) that releases CO2 from the CO2 absorption liquid and recovers the CO2, and that comprises a regeneration tower that regenerates the CO2 absorption liquid; a heat exchanger (32) that is provided to the entrance pathway side of the aforementioned desulfurizing device, and that decreases the temperature of the exhaust gas; and a calcium carbonate spray device (31) that sprays calcium carbonate between the heat exchanger (32) and an electric dust collector (14). Mist-generating substances in the exhaust gas are converted from a gas state to a mist state, and by means of the calcium carbonate, the mist generating substances in the mist state are collected and eliminated.
Inventors:
NAGAYASU TATSUTO
KAMIJO TAKASHI
INUI MASAYUKI
OISHI TSUYOSHI
NAGAYASU HIROMITSU
TANAKA HIROSHI
HIRATA TAKUYA
TSUJIUCHI TATSUYA
OKINO SUSUMU
KAMIYAMA NAOYUKI
YOSHIHARA SEIJI
KAMIJO TAKASHI
INUI MASAYUKI
OISHI TSUYOSHI
NAGAYASU HIROMITSU
TANAKA HIROSHI
HIRATA TAKUYA
TSUJIUCHI TATSUYA
OKINO SUSUMU
KAMIYAMA NAOYUKI
YOSHIHARA SEIJI
Application Number:
PCT/JP2011/062871
Publication Date:
December 08, 2011
Filing Date:
May 31, 2011
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD (JP)
NAGAYASU TATSUTO
KAMIJO TAKASHI
INUI MASAYUKI
OISHI TSUYOSHI
NAGAYASU HIROMITSU
TANAKA HIROSHI
HIRATA TAKUYA
TSUJIUCHI TATSUYA
OKINO SUSUMU
KAMIYAMA NAOYUKI
YOSHIHARA SEIJI
NAGAYASU TATSUTO
KAMIJO TAKASHI
INUI MASAYUKI
OISHI TSUYOSHI
NAGAYASU HIROMITSU
TANAKA HIROSHI
HIRATA TAKUYA
TSUJIUCHI TATSUYA
OKINO SUSUMU
KAMIYAMA NAOYUKI
YOSHIHARA SEIJI
International Classes:
B01D53/62; B01D5/00; B01D53/50; B01D53/77; C01B32/50
Foreign References:
| JPH07241440A | 1995-09-19 | |||
| JPH10305210A | 1998-11-17 | |||
| JP2005087828A | 2005-04-07 | |||
| JP2001347186A | 2001-12-18 | |||
| JPH03193116A | 1991-08-22 |
Other References:
See also references of EP 2578298A4
Attorney, Agent or Firm:
SAKAI, Hiroaki et al. (JP)
Hiroaki Sakai (JP)
Hiroaki Sakai (JP)
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Claims:
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