Title:
DENITRATION DEVICE AND BOILER
Document Type and Number:
WIPO Patent Application WO/2021/161695
Kind Code:
A1
Abstract:
A denitration device and a boiler, each of which is provided with: a selective-reduction-type catalyst which is arranged in a gas passage; a partitioning plate which is arranged on the upstream side of the gas flow direction relative to the selective-reduction-type catalyst in the gas passage and can partition the gas passage into a plurality of zones in the direction orthogonal to the gas flow direction; and a reducing agent supply device which is arranged on the upstream side of the gas flow direction relative to the selective-reduction-type catalyst and can supply a reducing agent in an amount according to the concentration of a nitrogen oxide in a gas flowing in the plurality of zones.
Inventors:
MORIMOTO YUKIHIRO (JP)
TODAKA SHINPEI (JP)
SAKURAI KYOHEI (JP)
MIYANISHI HIDEO (JP)
TODAKA SHINPEI (JP)
SAKURAI KYOHEI (JP)
MIYANISHI HIDEO (JP)
Application Number:
PCT/JP2021/000446
Publication Date:
August 19, 2021
Filing Date:
January 08, 2021
Export Citation:
Assignee:
MITSUBISHI POWER LTD (JP)
International Classes:
F22B37/00; B01D53/86; B01D53/90
Foreign References:
| JP2014094355A | 2014-05-22 | |||
| CN106984191A | 2017-07-28 | |||
| JP2010048537A | 2010-03-04 | |||
| JPH0924246A | 1997-01-28 | |||
| JP2009228918A | 2009-10-08 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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