MATERIALS SHREDDER Russian patent published in 2015 - IPC B02C18/00 

FIELD: agriculture.

SUBSTANCE: shredder contains grinding chamber 1 with unloading window 2, grid deck 3, vertical feeding branch pipe, rotary work tool 5 with vertical walls 6, radial blades 7, deflectors 8, screen 9 of cylindrical shape. Screen 9 is installed using brackets 10 above the rotary work tool 5 vertically and concentrically to the inside surface of the grinding chamber 1 against the grid deck 3. At that angular size α of the screen 9 exceeds the angular size β of the grid deck 3.

EFFECT: improved quality of grinding of small-grained materials.

2 dwg