MILL Russian patent published in 2014 - IPC B02C13/14 B02C23/16 

FIELD: process engineering.

SUBSTANCE: mill comprises cylindrical housing with inner circular ledge with openings and perforated cylinder. Perforated cylinder is mounted aligned with the housing to form finished product discharge chamber with housing surfaces and circular ledge. Cup-like rotor with hub is fitted on the shaft arranged coaxially in said housing. Rotor has horizontal section bent off from the centre and arranged above said circular ledge, screens and radial webs. Rotor radial webs have through rectangle-like slots made at rotor inclined surface lower part, each larger surface being located at inclined surface. Besides, radial webs between the webs and rotor hub have cut-outs shaped to rectangular trapezoid, its smaller base abutting on rotor inner cavity bottom.

EFFECT: higher efficiency of grinding.

1 dwg