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MICROPROCESSOR GRINDING CONTROL SYSTEMS:
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TECHNICAL EQUIPMENT:
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MICROPROCESSOR SYSTEM MILLOAD
PURPOSE OF THE SYSTEM
Microprocessor system MILLOAD is purposed for mill load measuring at the grinding
of cement, row materials, ores, coals, coke etc in cement, dressing and power industries
and other related branches.
PRINCIPLE OF THE SYSTEM OPERATION
By means of special remote sensor SRIP, mounted approximately 20mm from the case of rotary
mills or special direct sensor SDIP, mounted on the case of stationary mills are measured
impact pulses generated at material grinding. The signal of the sensor is sent to microprocessor
module, where by software way is formed synthetic “factor of grinding FG”. It is related with
material resistant layer against the penetration of grinding bodies in the zone, where the sensor
is mounted. At wet grinding of raw materials and ores when the sensor is mounted in zone of slime
formation, respectively pulp formation, the slime viscosity is measured, respectively pulp density,
which can control by inlet water. For this aim “factor of slime FS” is synthesized.
ADVANTAGES OF THE SYSTEM:
• FG and FS aren’t influenced from the work of near-by mills and others aggregates;
• Measuring of resistant properties of material layer in the zone of sensor mounting and
obtaining in time truthful information for their changes;
• Eliminating of uninformation resonance vibrations of mill’s case;
• In case of FG change it can control the wearing out of grinding bodies and lining;
• At abruptly FG change it can define a mill breakdowns (destruction of grids and lining,
clogging up from inner bodies etc);
• The sensor signal is sent at distance up to 200m without additional amplification.
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