DOC+DPF对防爆柴油机气态污染物影响的试验研究  

Experimental Study on Effect of DOC+DPF on Gaseous Pollutants in Explosion-proof Diesel Engine

作　　者：李博 李鹏辉 Li Bo;Li Peng-hui(CCTEG Taiyuan Research Institute Co.,Ltd.,Taiyuan,030006,China)

机构地区：[1]中国煤炭科工集团太原研究院有限公司,山西太原030006

出　　处：《内燃机与配件》2024年第15期28-30,共3页Internal Combustion Engine & Parts

摘　　要：非道路柴油机国四排放标准HJ1014-2020《非道路柴油移动机械污染物排放控制技术要求》要求在2022年12月1日起非道路移动机械用柴油机必须满足国四排放要求,矿用防爆柴油机为满足国四排放要求也要做充足的前期研究。非道路柴油机多采用DOC+DPF的路线使得CO和颗粒满足国四排放要求,防爆柴油机的CO和颗粒实现国四排放要求也可以通过使用DOC+DPF达到。MT990要求防爆柴油机的表面温度不能超过150℃,使得DOC和DPF也需进行防爆改装后才能使用,所以增加防爆改装后的DOC+DPF对防爆柴油机的尾气排放究竟有何影响还有待实验验证。本文通过防爆柴油机台架试验研究防爆改装后的DOC+DPF对防爆柴油机排放的影响。HJ1014-2020"Technical Requirements for Pollutant Emission Control of Off-road Diesel Mobile Machinery",the national emission standard for off-road diesel engines,was issued and implemented on December 28th,2020.Underground explosion-proof diesel engines should also be fully prepared to meet the national emission requirements.The surface temperature of explosion-proof diesel engines should not exceed 150℃,so DOC and DPF need to be equipped with water jackets or heat insulation devices before they can be used.Therefore,the impact of adding DOC+DPF on the exhaust emission of explosion-proof diesel engines remains to be verified by experiments.In this paper,the existence of aftertreatment device is verified by bench test of explosion-proof diesel engine,and the influence of DOC+DPF on the emission of explosion-proof diesel engine is studied.

关 键 词：防爆柴油机 国四排放要求 DOC+DPF 台架试验 

分 类 号：TK411.5[动力工程及工程热物理—动力机械及工程]