针对水泥厂烘干系统烟尘特性,采用旋风加静电除尘器等综合措施,使作业场所粉尘平均浓度降至国家卫生标准以下,除尘效率达992%。 According to the characteristics of dust in the drying system of cement plant, cyclone plus electrostatic precipitator and other comprehensive measures are adopted to reduce the average dust concentration in the workplace below the national health standards, and the dust removal efficiency reaches 992%.