Solid material comminution or disintegration – Apparatus – Loose grinding body comminutor
Patent
1976-07-19
1977-09-06
Lake, Roy
Solid material comminution or disintegration
Apparatus
Loose grinding body comminutor
241299, B02C 1722
Patent
active
040463265
ABSTRACT:
The disclosure is directed to a liner assembly for an autogenous ore grinding machine. The machine includes a large cylindrical drum which is rotated about a horizontal axis to comminute the ore. The liner assembly covers the inner cylindrical surface of the drum and consists of a plurality of longitudinal segments which are removably bolted to the drum. Each segment is made from a material which has good impact resistance and defines an irregular grinding surface to assist in the ore grinding process. An opening is formed through the segment body and extending longitudinally thereof, the opening being defined by walls that converge from the segment mounting surface to its grinding surface. A plurality of inserts, formed from material which is highly resistant to abrasion, are disposed in the opening and cooperate with the converging walls and each other in wedging relation for retainableengagement with the segment body bolted to the drum. The segments together define a grinding surface which assists in reducing the wear rate of the segment body, and thus the entire liner assembly.
REFERENCES:
patent: 1128901 (1915-02-01), Posselt
patent: 1534000 (1925-04-01), Baker
patent: 1872036 (1932-08-01), Hardinge
patent: 3462090 (1969-08-01), Landes et al.
patent: 3949943 (1976-04-01), Schuler et al.
Goldberg Howard N.
Lake Roy
Minneapolis Electric Steel Castings Company
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