CONCENTRATION TABLE Russian patent published in 1997 - IPC

FIELD: mineral concentration; may be used in gravitational separation in flow of pulp of fine-grained and slime ores. SUBSTANCE: concentration table includes deck cutoff from the sides of loading and concentrate ends. Deck is made rhombic in shape with riffles which are parallel to deck side edge. Deck is installed on flexible members secured to supporting frame and is reciprocated by drive with the help of hinged tie-rod. Narrowing chamber for preliminary concentration whose side walls are parallel to riffles is located on the loading end of deck under pulp receiver. Chamber has guide side riffles and system of baffles. Concentration table has distributor of wash water, trays for collection of tailings, middlings and concentrate. Deck has lateral incline to its side overflow edges over longitudinal axis. EFFECT: higher efficiency. 2 cl, 5 dwg