HYDRAULIC SCREEN Russian patent published in 1999 - IPC

FIELD: concentration equipment used in mining, construction, metallurgical and other branches of industry for separating and sorting of solid materials. SUBSTANCE: hydraulic screen has box mounted on flexible members and submerged into hopper filled with water. Box has receiving and discharge systems. Hydraulic screen is further provided with sludge receiver, discharge chute, and drive for transmitting vibrations to box. Drive has differential dual-crank mechanism made in the form of driven crank whose center of rotation is positioned with vertical and horizontal eccentricity relative to center of rotation of driving crank. EFFECT: increased efficiency in screening and reduced power consumption. 2 cl, 5 dwg