HAMMER CRUSHER Russian patent published in 2014 - IPC B02C13/04 B02C9/00 

FIELD: process engineering.

SUBSTANCE: invention relates to forestry, particularly, to grain crushing. Proposed crusher comprises casing with screen attached to casing inner surface, suction pipe, motor and hammer rotor. Hammer rotor is composed of hub with inner and outer discs and axle arranged there between, each being provided with a set of hammers. Blower blades are secured at inner disc and radially shaped inside said hammer rotor and, at hammer rotor outlet, shaped in logarithmic spiral. Extra blades are arranged on hammer inner and outer discs, at rotor outer sides.

EFFECT: higher capacity and quality of finished product.

6 dwg