CENTRIFUGAL-ROTOR-KNIFE TYPE GRINDER Russian patent published in 2006 - IPC B02C13/20 

FIELD: equipment for grinding of raw plant material, such as fodder feeds, and bulk material.

SUBSTANCE: grinder has casing, two disks horizontally arranged in axially aligned relationship and equipped with alternating annular projections having radial through slots. Grinding chamber has two grinding steps. First grinding step is formed as shear ring with knife mounted on shaft which is common with lower disk-rotor of second step. Gap between disks may be adjusted by means of three screws.

EFFECT: provision for homogeneous grain size composition of ready product, increased efficiency, reduced consumption of power, and decreased metal usage.

2 cl, 4 dwg