B - Operations – Transporting – 02 – C
Patent
B - Operations, Transporting
02
C
241/95
B02C 17/22 (2006.01)
Patent
CA 1138398
ABSTRACT The disclosure is directed to a multiple zone liner system for the cylindrical shell of a ball mill. The liner system comprises a plurality of liner sections which are con- structed for mounting on the inner shell surface of the mill in sequential relation along its rotational axis. Each liner sec- tion is formed with a plurality of elevated ridges disposed in substantial alignment with the shell access, and which are cir- cumferentially spaced therearound to define a comminuting sur- face. Each ridge defines a lifting surface that is disposed at a predetermined angle relative to a radius of the shell, and each ridge has a predetermined lifting dimension. The number of ridges of each liner section increases from section to sec- tion from the inlet to the outlet of the mill. The angle of the lifting surfaces of the ridges also increases from section to section toward the mill outlet. The lifting dimension of the ridges decreases from section to section from the mill inlet to the outlet. The result is a liner system capable of comminuting ore with greater effectiveness and efficiency.
364377
Barrigar & Moss
Minneapolis Electric Steel Castings Company
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