The high-efficiency tumbling mill includes an upper body with inside separated cavity and feeding port, lower body with bearing seat, internal rolling hammers and blower. Technologially, the main points include the rolling hammers set inside the mill, near the feeding port and in the radial groove; and the turntable inside the separated cavity and on the same rotation shaft with the blower. The device is compact and small and high in superfine powder producing efficiency, and has many other advantages. |