Title:
EXHAUST GAS TREATMENT DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/163449
Kind Code:
A1
Abstract:
The purpose of the present invention is to suppress wear on a denitration catalyst by ash particles with a diameter of 100 µm or greater. An exhaust gas treatment device is provided with a denitration device 10 having a denitration catalyst 10b for reducing nitrogen oxides in exhaust gas from a coal fired boiler 1 and a duct that guides the exhaust gas from the coal fired boiler to the denitration device, said duct having a horizontal duct 8 connected to an exhaust gas outlet 7 of the coal fired boiler, a vertical duct 9 connected to the horizontal duct, and a hopper 15 provided below the connection part for the horizontal duct and the vertical duct. The exhaust gas treatment device is characterized in that a collision plate 16 for knocking down ash particles in the exhaust gas into the hopper by collision is provided at an upper end opening part of the hopper 15.
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Inventors:
IMADA NORIYUKI (JP)
ISHIOKA MASAAKI (JP)
YAMADA AKIHIRO (JP)
SASAKI GOKI (JP)
YANO KATSUMI (JP)
UCHIYAMA KEIGO (JP)
ISHIOKA MASAAKI (JP)
YAMADA AKIHIRO (JP)
SASAKI GOKI (JP)
YANO KATSUMI (JP)
UCHIYAMA KEIGO (JP)
Application Number:
PCT/JP2016/061375
Publication Date:
October 13, 2016
Filing Date:
April 07, 2016
Export Citation:
Assignee:
MITSUBISHI HITACHI POWER SYS (JP)
International Classes:
B01D53/86; B01D45/08
Foreign References:
| JPH0295415A | 1990-04-06 | |||
| JPS60140618U | 1985-09-18 | |||
| JPS57117721A | 1982-07-22 | |||
| US7556674B2 | 2009-07-07 |
Attorney, Agent or Firm:
YOSHIOKA, Kohji et al. (JP)
Hirotsugu Yoshioka (JP)
Hirotsugu Yoshioka (JP)
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