SLUICE BOX FOR MINERAL RESOURCES BENEFICIATION Russian patent published in 1995 - IPC

FIELD: mineral resources beneficiation. SUBSTANCE: sluice for mineral resources beneficiation has main chute, in which there is fluting, mounted at an angle to its axis; bottom; loading apparatus; discharging mechanism and trough to collect concentrate. Sluice is provided additional chutes with mounted in them at an angle to longitudinal axis fluting with holes in their upper part. In the case, fluting of main chute has holes in upper part. Fluting of main chute and fluting of additional chutes are mounted inclined to chute longitudinal axis. Each chute has V-shaped form with canal to feed air into holes of flutings. Canal is formed by fixed to walls of adjacent chutes and bottom and concentrate discharging mechanisms are located along axis of chute. EFFECT: increased productivity. 3 dwg