CENTRIFUGAL DISK MILL Russian patent published in 1997 - IPC

FIELD: construction, mining and other industries for fine and superfine grinding of loose materials. SUBSTANCE: centrifugal disk mill includes coaxial disks revolving in opposite directions. Disks are provided with projections. Mill is also provided with lack-type loading device 11 mounted above hopper 13. Fixed pipe 8 is mounted in bearings inside hollow upper shaft and its upper end is connected with loading device brought in communication with vacuum pump 17. In center of lower disk there is cylindrical recess with circular projection on whose outer surface circular insert made wear-resistant material is mounted. Shafts and pipe are sealed by means of labyrinth contactless seals. EFFECT: enhanced reliability. 3 dwg