B - Operations – Transporting – 02 – C
Patent
B - Operations, Transporting
02
C
241/19
B02C 25/00 (2006.01)
Patent
CA 1191821
Abstract The method of operating and analyzing operation of an electric motor operated rotary drum type grinding mill is based upon detection of a single signal parameter representative of mill efficiency, loading and throughput, namely the motor power or current. Output readings are presented in form of pictorial representations of mill operation conditions at a variety of current levels thereby permitting unskilled operators to understand instrumentation. The signal is simply derived without any kind of mill modification and is mani- pulated by simple fool-proof signal processing equipment for both instantaneous on-line monitoring and control purposes and for storage of historical per- formance. Thus, either semi-automatic or fully automated mill operation may be simple and effective in maintaining optimum mill efficiency.
389337
Roberts Lawrence R.
Welch Phillip W.
Smart & Biggar
W.r. Grace & Co.,-Conn.
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