It is composed of impeller, air duct, rear deflector, spray device and bracket. It adopts new impeller, high-performance rear deflector and new motor support structure. The efficiency of the fan is relatively high, the formation of fog is also very stable, and the amount of fog is adjusted. The range is relatively large, the diameter of the droplets is very uniform, the operation is simple and convenient, and the service life is long. This machine is a new high-quality, high-tech new product independently designed and developed by our company professionally designed, absorbing domestic and foreign advanced technology, according to the national environmental protection, dust removal, and disinfection requirements. It is a new dust removal equipment to solve the problem of PM 2.5 air quality exceeding the standard.