Solid material comminution or disintegration – Apparatus – Loose grinding body comminutor
Patent
1978-08-11
1980-11-25
Lazarus, Richard B.
Solid material comminution or disintegration
Apparatus
Loose grinding body comminutor
241182, 241299, B02C 1722
Patent
active
042353866
ABSTRACT:
The disclosure is directed to an improved liner assembly for an ore grinding mill. The liner assembly is of the segmented type, comprising a first plurality of segments which are mounted directly to the shell of the mill, and a second plurality of segments each of which is secured to an associated first segment independently of the shell. The first segments are formed from material which is resistant to impact, and the second segments are made from material which is highly resistant to abrasion. As constructed, the second segments can be replaced after a period of wear from inside the mill, avoiding the necessity of replacing the first liner segments which requires working teams both inside and outside the mill. In one embodiment, the second segments are L-shaped and are secured to the first segments by nut and bolt assemblies that are generally aligned with the shell surface to resist shear forces. In a second embodiment, the first and second segments resist shear forces with a tongue and groove configuration coupled with nut and bolt assemblies that are transverse to the shell surface.
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Lazarus Richard B.
Minneapolis Electric Steel Castings Company
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