System for measuring wear in a grinding mill

Details System for measuring wear in a grinding mill System for measuring wear in a grinding mill

2007-02-06

2007-02-06

Francis, Faye (Department: 3725)

Solid material comminution or disintegration

Apparatus

Combined or convertible

C241S101300, C241S300000, C241S197000

Reexamination Certificate

active

11370981

ABSTRACT:
The system for measuring wear in a grinding mill has at least one bolt passing through the shell and a wear plate. The bolt has an elongated oblong-shaped bolt head extending through the wear plate, flush with a surface of the wear plate. The bolt head is exposed to a same abrasion as the wear plate. The bolt has a groove there along and a plurality of wire loops embedded in that groove. Each wire loop extends to a distinct point along the bolt head, such as to form a ruler along the bolt head. A mobile transmitter-receiver is mounted to the stem of the bolt and is connected to the wire loops. The mobile transmitter-receiver has electronic circuitry therein for detecting broken loop conditions and for transmitting these conditions to a remote receiver where the conditions are related to degrees of wear on the wear plate.

REFERENCES:
patent: 991421 (1911-05-01), Brown
patent: 1772026 (1930-08-01), Bartley
patent: 3582007 (1971-06-01), Heighberger
patent: 4382253 (1983-05-01), Belthle
patent: 5407141 (1995-04-01), Liebing et al.
patent: 5544819 (1996-08-01), Shepherd
patent: 354035464 (1979-03-01), None

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