Title:
DIESEL-METHANOL COMBINED COMBUSTION ENGINE AND CONTROL METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2021/102680
Kind Code:
A1
Abstract:
A diesel-methanol combined combustion engine, comprising a diesel engine, a methanol injection system, a methanol electronic control unit, a methanol supply system and a post-processor combination. The methanol injection system is located on an air inlet channel of the engine; the methanol electronic control unit, the methanol supply system and the methanol injection system are connected to each other; and the post-processor combination comprises a methanol-specific selective catalytic reduction system, a diesel engine particulate filter and a diesel engine oxidation catalyst; the methanol-specific selective catalytic reduction system and the diesel particulate filter are controlled by the methanol electronic control unit, and the post-processor combination is installed on an exhaust pipe of the engine. By means of diesel-methanol combined combustion technology, the efficient combustion of diesel engines may be achieved, and the thermal efficiency of the engine may significantly be improved, especially in medium and large load conditions. The diesel-methanol combined combustion technology may simultaneously reduce NOx and soot emissions without the aid of urea. The present invention further relates to a control method for a diesel-methanol combined combustion engine.
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Inventors:
YAO CHUNDE (CN)
YAO ANREN (CN)
WANG BIN (CN)
WU TAOYANG (CN)
HU JIANGTAO (CN)
CHEN CHAO (CN)
GAO JIAN (CN)
YAO ANREN (CN)
WANG BIN (CN)
WU TAOYANG (CN)
HU JIANGTAO (CN)
CHEN CHAO (CN)
GAO JIAN (CN)
Application Number:
PCT/CN2019/120937
Publication Date:
June 03, 2021
Filing Date:
November 26, 2019
Export Citation:
Assignee:
UNIV TIANJIN (CN)
International Classes:
F02M21/02; F01N13/08; F02D41/30
Foreign References:
| CN110454289A | 2019-11-15 | |||
| CN108590816A | 2018-09-28 | |||
| CN105179112A | 2015-12-23 | |||
| CN105443241A | 2016-03-30 | |||
| JPH04287863A | 1992-10-13 | |||
| JPH04232367A | 1992-08-20 |
Attorney, Agent or Firm:
BEI & OCEAN (CN)
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