FIELD: mineral concentration from ores and placers on gravitational apparatuses of static type. SUBSTANCE: automatic plant includes head and main sluices with fixed riffles, sides at angles above 90 deg to their bottoms with transducers of control over concentrate accumulation and reverse supports installed on opposite sides of supports of horizontal longitudinal axles of each sluice, and with systems of sluice turning round horizontal axis, system of sealing of gap between sluices, system of supply and disconnection of feed, system of rinsing water, concentrate receivers, finishing plant and concentration plant located along horizontal longitudinal axes of sluices on side of side rinsing. EFFECT: higher efficiency, reliability, serviceability and wear resistance. 3 dwg
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