探讨柴油机尾气后处理技术及电气系统验证

Discussion on Exhaust After-treatment Technology for Diesel Engine and Electrical System Verification

针对我国颁布的国IV排放要求,介绍商用车柴油发动机的后处理技术中的SCR技术和EGR+DPF技术,探讨二者之间的性能差异,提出发动机SCR后处理技术中的电气系统的验证项目,以达到提高排放性能、完善发动机控制系统控制策略的方法。

According to the emission control regulations of National IV, the SCR and the EGR＋DPF technologies in exhaust after-treatment for diesel engine on commercial vehicles are introduced here and the performance differences between them are discussed. The verification of electrical system in the SCR technology is set up so as to enhance emission performance and perfect the control strategy for engine control system.