FIELD: process engineering.
SUBSTANCE: invention relates to concentration of minerals, namely, to separation of dry diamond-containing materials, for example, primary drawing concentrates. Electrometric separator comprises loading hopper, two shaking feeders, transducer for contactless measurement of electric charge with sensitive electrode, transducer preamplifier, data processing unit, actuator, actuator control unit, concentrate receiver and rejects receiver. Separator is equipped with intermediate store of materials arranged ahead of third shaking feeder, second transducer for contactless measurement of electric charge, second transducer preamplifier, second data processing unit, second actuator, second actuator control unit, second concentrate receiver.
EFFECT: higher extraction efficiency.
1 dwg
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