WASHING DEVICE Russian patent published in 1998 - IPC

FIELD: mining industry. SUBSTANCE: device has bunker containing screens of different perforation. After material passes route of disintegration it gets from screens to bunker bottom where rows of sluice boxes are arranged. Every sluice box is divided into moving and stationary parts. Moving part of sluice box is mounted for reciprocation through necessary angle. Moving part of sluice box accommodates chute, rubber container and screw conveyer. The latter passes from moving part of sluice box to larger-diameter stationary part by means of cardan joint. EFFECT: simplified construction, higher quality of washing, reduced water consumption. 2 dwg