The dust box body, the pulse on cleaning and wind turbine components. This equipment in system main wind machine of role Xia, containing dust gas from Duster lower of into outlet entered Duster bottom of gas box within for containing dust gas of pretreatment, then from bottom entered to Shang box of each dust indoor; this products used filter tube received dust, its features is expanded has received dust area, guarantee dust adsorption in filter tube of outside surface Shang, filter Hou of clean gas through filter tube entered Shang box of net gas cavity and collection to out outlet discharge.