柴油机冒黑烟的故障现象严重地影响了柴油机的运转任能、经济性和使用寿命。1．喷油系故障喷油时间过迟，虽然使大部分燃料在作功过程中燃烧，但因气缸内压力和温度等因素影响，甚至到排气冲程开始，还有一部分燃料未完全燃烧，因此产生黑烟粒，形成冒黑烟现象。柱塞和杜塞套磨 The phenomenon of diesel black smoke seriously affected the operation of diesel engine performance, economy and service life. 1. Injection system fault Injection time is too late, although most of the fuel combustion in the work process, but the cylinder pressure and temperature and other factors, even to the beginning of the exhaust stroke, there are still some incomplete combustion of fuel, resulting Smoky grains, the formation of black smoke phenomenon. Plunger and Dorset mill