GRINDER Russian patent published in 2016 - IPC B02C4/00 

FIELD: disintegrators and device for crushing.

SUBSTANCE: invention is intended for crushing fragile materials, such as quartz, glass, marble, ceramics, radio-electronic scrap and others. Crusher comprises two rolls (1, 2). Vertical substrate (13) is installed on horizontal substrate (14) in the slot between rolls in the middle. Slot width between the rolls is equal to the degree of material grinding. Height of vertical substrate is equal to roll radius. Width of vertical substrate is equal to half width of slot between rolls. Horizontal substrate is installed under rolls. Length of horizontal substrate is equal to two radii of roll and width of slot between them. Size of slot between horizontal substrate and rolls in 2-4 times smaller than that of the slot between roll and vertical substrate.

EFFECT: expanded performance of the crusher.

1 cl, 3 dwg