At present, many industries have powder material unloading operations, because there is dust in the process of material handling and storage. This equipment has good dust removal effect, compact overall equipment structure, small floor area and convenient operation and control. Its special feature is the box body with a dust collector. The box body is provided with a feed opening, a conical storage bin is provided below, and a pulse dust collector is used above. When the powdery materials enter the dust collector due to the wind force, fine, dry and non fibrous dust is collected.