SLUICE FOR MINERAL RESOURCES BENEFICATION Russian patent published in 1997 - IPC

FIELD: mineral resources benefication, gold extraction from gold placers. SUBSTANCE: sluice for mineral resources benefication has loading mechanism, chute with gold trapping coating. Head part of sluice is made is capable to turn around longitudinal axis of chute. Ratio of sluice head part length to length of whole sluice is from 0.1 to 0.5 and tray with spraying pipe is mounted under head part of sluice. As a version, tail part of sluice is also capable to turn around longitudinal axis of chute. Lower side of tail part of sluice also has trapping coating with wall sides made in the form of chutes. head and tail parts of sluice are capable to turn together and separately. Under head and tail parts of sluice trays with spraying pipes are mounted. Head part of sluice, as a version, is mounted with capability to turn around transversal axis. EFFECT: improved design, increased productivity. 3 cl, 4 dwg