Engine tail gas purifying device

• Main Authors: ZHOU JIALIANG, WANG PENG, WANG ZHONGWEI, XU JISONG, WU HESHAN, ZHANG SHIHONG, LIU SHANGKUN, GAO CHUNLEI, ZHANG RUI, LIU CHUAN, HE GUOHUA, SONG XIAOYANG, XING LEI, CHENG FENG, MI RUIXIN, WANG JINDONG, ZHANG YUXIU
• Format: Patent
• Language: Chinese; English
• Published: 26.01.2021
• Subjects: BLASTING; ENGINE PLANTS IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL; HEATING; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; STEAM ENGINES; WEAPONS

The invention relates to the field of diesel engine tail gas after-treatment, in particular to an engine tail gas purifying device applicable to large-scale road maintenance machinery. The engine tailgas purifying device comprises a gas inlet pipeline assembly, a filtering and purifying assembly and a gas exhaust pipeline assembly, and is characterized by further comprising a gas distributing cavity and a gas exhaust cavity, wherein the gas distributing cavity is arranged between the gas inlet pipeline assembly and the filtering and purifying assembly, the gas exhaust cavity is arranged between the filtering and purifying assembly and the gas exhaust pipeline assembly, and the filtering and purifying assembly comprises a plurality of partial flow filtering purifiers located between the gas distributing cavity and the gas exhaust cavity. The engine tail gas purifying device can be suitable for a high-power diesel engine of large-scale road maintenance machinery, has a simple and compact structure, and can util