LINING OF DRUM MILL BODY Russian patent published in 2001 - IPC

FIELD: disintegration of solid materials in drum mills. SUBSTANCE: lining includes set of lining plates of elastic material arranged on inner surface of drum body in lengthwise direction in such a way that central portion of drum body is lined with alternating grooved and flat plates. Arc-shaped plates of end portions of drum body are curved with predetermined radius. Plates are deformed for forming symmetrical or asymmetrical profile in central and end portions of drum mill body. In other variant central portion of drum mill body is lined with arc -shaped symmetrical or asymmetrical plates bent with predetermined radius. Plates may be bent in direction of drum mill rotation or in opposite direction, or they may be bent one towards another. Length of arc-shaped plates may be equal to 2-3 length values of above mentioned plates. EFFECT: enhanced efficiency of drum mills. 6 cl, 8 dwg