Methods of operating ball grinding mills

Details Methods of operating ball grinding mills Methods of operating ball grinding mills

1981-01-09

1987-01-13

Rosenbaum, Mark

Solid material comminution or disintegration

Processes

With application of fluid or lubricant material

241 35, 241 36, 2411013, B02C 2500

Patent

active

046358587

ABSTRACT:
An electric motor operated rotary drum type grinding mill is operated at optimal efficiency by detecting and analyzing the motor current. The power signals are converted by signal processing equipment for presentation as pictorial display representations of mill operating conditions at a variety of motor current levels to permit unskilled operators to understand the current operating conditions. Instantaneous on line current signals are derived from the mill by a transformer coupling without rewiring or modification. Analytical equipment processes the detected current signals for mill control, storage of historical performance and pictorial display. Mill operation is accordingly controlled in semi-automatic or fully automatic modes that maintain optimum mill efficiency.

REFERENCES:
patent: 2405059 (1946-07-01), Sahmel
patent: 2766941 (1957-10-01), Weston
patent: 3607326 (1971-09-01), Serafin
patent: 3944146 (1976-03-01), Stockmann et al.
patent: 4026479 (1977-05-01), Bradburn et al.
patent: 4210290 (1980-07-01), Andersson et al.

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