DEVICE FOR INTAKE OF WATER FROM SETTLING POND OF GRAINY WASTES Russian patent published in 1995 - IPC

FIELD: hydraulic engineering. SUBSTANCE: device for intake of water from settling pond of grainy wastes includes water intake structure in form of floating pumping plant 3, tailrace 4 and guard in form of log boom closed round pumping plant 3 extended in plan in direction of the most remote flank of pit 2. Boom is provided with longitudinal canopy nonpermeable for wastes on longitudinal sections 6 and 7 and on transverse section 10. Canopy is attached to boom from pit flanks and forms together with boom flooring an acute angle and has variable height decreasing in direction from pumping plant 3 and made with longitudinal slots and coated with filtering layer from the pit flank. Filtering layer is made of geosynthetic material laid on metal wire net. EFFECT: higher efficiency. 2 cl, 4 dwg