MILL Russian patent published in 1998 - IPC

FIELD: continuous mills for grinding materials in metallurgy, chemical industry and construction. SUBSTANCE: mill includes housing, mixer made in form of bladed shaft and grinding balls; distance between rows of blades is equal to (306)d; distance between blades of last row (in way of flow of material) and end of housing is equal to 6d; distance between adjacent blades of one row measured by length of arc of circle drafted by ends of blades in motion is equal to (20-40)d; height of ball mass is equal to (19-27)d. EFFECT: enhanced reliability. 2 cl, 3 dwg , 6 tbl