WORM GRINDER Russian patent published in 2015 - IPC B02C19/22 B02C13/00 

FIELD: machine building.

SUBSTANCE: worm grinder contains casing with material input hopper and output nozzle. Driven rotor shaft is installed in the casing. The driven shaft has worm taping along full length of the pipe and transition over some fixed and movable knives to the centrifugal drum. The centrifugal drum is made with distribution head and mesh walls of the casing. Chamber with vortex slots is installed on the driven shaft. Chamber can be made tight.

EFFECT: grinder ensures ultrafine powder out of plant materials with specified size.

3 cl, 2 dwg