FIELD: concentration of ores and minerals from ores and gravels by gravity static method. SUBSTANCE: automatic plant includes concentrate receiver, final concentration unit, sluice boxes with systems for making turns around horizontal longitudinal axes, concentrate accumulation sensors and reversible supports mounted on opposite sides; sluice box sides are made on cleaning-up side at angle of 90 deg. relative to bottom. Plant is also provided with power connection and disconnection system and flushing water system mounted above concentrate receiver. EFFECT: increased productivity; enhanced reliability, serviceability and wear resistance; reduced power requirements. 3 dwg
