SELF-GRINDING DRUM GRINDER LINING Russian patent published in 1995 - IPC

FIELD: materials grinding. SUBSTANCE: self-grinding drum grinder lining has rod lifters 3, located in rows along drum axis 1 of grinder and directed to center of its cross-section. Rod lifters 3 in neighboring rows have different height. In the case maximum height of lifters 3 and space between them in a row is 0.7 0.9 of initial material maximum big lump 4. Minimum height of lifters 3 and space between them in a row is 0.2 0.7 of maximum height, and space between rows of lifters 3 with maximum height is no less than 2.5 of initial material maximum big lump 4 dimensions. EFFECT: lining increases productivity of grinder. 4 cl, 2 dwg