Title:
FINISHING FLUE GAS DESULFURIZATION DEVICE, AND EXHAUST GAS TREATMENT SYSTEM USING SAME
Document Type and Number:
WIPO Patent Application WO/2011/108324
Kind Code:
A1
Abstract:
Disclosed is a finishing flue gas desulfurization device which, after sulfur oxide is removed from combustion exhaust gas in advance by an existing desulfurization device, removes the remaining sulfur oxide further to an extremely low concentration, said finishing flue gas desulfurization device being provided with a desulfurization device main body (15) which is provided with a finishing desulfurization unit (14) that has a gas introduction part (12) for introducing combustion exhaust gas (exhaust gas) (11) containing a very small amount of sulfur oxide and performs desulfurization by bringing an absorbing solution (13) into contact with the sulfur oxide in the introduced combustion exhaust gas (11), a wet electric dust collection unit (16) which is provided on the wake flow side of the finishing desulfurization unit (14) in the finishing desulfurization device main body (15) and removes smoke and dust in the combustion exhaust gas after finishing desulfurization, a cooling unit (17) which is provided either before or behind the wet electric dust collection unit (16) and cools the combustion exhaust gas, and a gas discharge unit (19) which discharges removed dust and cooled purified combustion exhaust gas (purified gas) (18) to the outside.
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Inventors:
KAMIYAMA NAOYUKI
NAGAYASU HIROMITSU
KAGAWA SEIJI
ENDO TAKAHIKO
MATSUURA KENJI
NAGAYASU HIROMITSU
KAGAWA SEIJI
ENDO TAKAHIKO
MATSUURA KENJI
Application Number:
PCT/JP2011/051947
Publication Date:
September 09, 2011
Filing Date:
January 31, 2011
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD (JP)
MITSUBISHI HEAVY IND MECHATRONICS SYSTEMS LTD (JP)
KAMIYAMA NAOYUKI
NAGAYASU HIROMITSU
KAGAWA SEIJI
ENDO TAKAHIKO
MATSUURA KENJI
MITSUBISHI HEAVY IND MECHATRONICS SYSTEMS LTD (JP)
KAMIYAMA NAOYUKI
NAGAYASU HIROMITSU
KAGAWA SEIJI
ENDO TAKAHIKO
MATSUURA KENJI
International Classes:
B01D53/50; B01D53/62; B01D53/77; B03C3/02; B03C3/16; B03C3/78
Foreign References:
| JPH07155537A | 1995-06-20 | |||
| JP2001289430A | 2001-10-19 | |||
| JPH11137954A | 1999-05-25 | |||
| JP2009226367A | 2009-10-08 | |||
| JPS53111579A | 1978-09-29 |
Attorney, Agent or Firm:
SAKAI, Hiroaki et al. (JP)
Hiroaki Sakai (JP)
Hiroaki Sakai (JP)
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Claims:
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