FIELD: electricity.
SUBSTANCE: contactless sensor to measure electric charge of mineral moving particles comprises a sensitive electrode with inner channel of variable cross-section, high-quality isolator and grounded electrode, which upper part is made as a truncated pyramid with inner surface of the pyramid side faces inclined towards the sensor vertical axis selected in the range of 30-55 degrees.
EFFECT: reducing a number of parasitic actions of the actuating mechanism, whereby share of the associated minerals is reduced in the concentrate, improving condition of the concentrate without additional time and power costs.
4 dwg
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