Title:
SELECTIVE CATALYTIC REDUCTION SYSTEM AND POWER APPARATUS HAVING SAME
Document Type and Number:
WIPO Patent Application WO/2017/204589
Kind Code:
A1
Abstract:
According to an embodiment of the present invention, a selective catalytic reduction system comprises: a fuel sensing unit capable of sensing the type of fuel supplied to an engine; a reactor having a catalyst provided therein so as to reduce the nitrogen oxide contained in exhaust gas discharged from the engine; a catalyst preheating unit for preheating the catalyst provided in the reactor; a reducing agent supply unit for supplying a reducing agent to the exhaust gas introduced into the reactor; and a control unit for determining whether to change the fuel according to the sensing result of the fuel sensing unit, and determining whether it is necessary to actuate the catalyst preheating unit and/or the reducing agent supply unit according to the determination result.
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Inventors:
KIM TAE HOON (KR)
KIM SOK HA (KR)
LEE JAE MOON (KR)
KIM SOK HA (KR)
LEE JAE MOON (KR)
Application Number:
PCT/KR2017/005501
Publication Date:
November 30, 2017
Filing Date:
May 26, 2017
Export Citation:
Assignee:
DOOSAN ENGINE CO LTD (KR)
International Classes:
F01N3/20; F01N9/00; F02D19/06
Foreign References:
| KR20110058813A | 2011-06-01 | |||
| KR101366937B1 | 2014-02-25 | |||
| KR20130105642A | 2013-09-25 | |||
| JP5181972B2 | 2013-04-10 | |||
| KR101563678B1 | 2015-10-28 |
Attorney, Agent or Firm:
YOON, Yu Kwang et al. (KR)
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