MILL Russian patent published in 2020 - IPC B02C13/14 

FIELD: technological processes.

SUBSTANCE: invention relates to devices for fine grinding of ores and other mineral materials and can be used in metallurgical, chemical and other industries. Mill comprises housing with annular ledge, cup-like rotor installed on shaft coaxially to housing and made with sieves and radial partitions. Perforated cylinder is mounted concentrically to housing and forms with its surfaces and annular projection chamber for output of finished product. Mill also comprises a cup-like rotor with radial baffles, installed coaxially to the housing on a hollow axle fixed on the rotary disk opposite to the rotor installed on the shaft with possibility of rotation in the direction opposite to direction of rotation of the rotor installed on the shaft.

EFFECT: higher efficiency of the mill.

1 cl, 1 dwg