FACILITY TO CLEAN BOTTOM OF WATER RESERVOIR Russian patent published in 2003 - IPC

FIELD: hydraulic excavation, technical equipment to clean ponds, gutters, ore and other ditches from bottom sedimentation. SUBSTANCE: facility to clean bottom of reservoir includes propulsion device which carries shovel ground intake with side walls, screw conveyer, accumulator and pneumatic conveyer. It is fitted with frame that carries shovel ground intake, screw conveyer, pneumatic conveyer with ejector chamber. Facility is supplemented with driving cutting discs coupled to shovel ground intake and so installed that extreme discs are positioned behind side walls of shovel ground intake and other discs are placed between them. Shovel ground intake narrows towards outlet and screw conveyer is located sideways in its narrowing part, accumulating vessel having shape of box is positioned behind screw conveyer. Suction branch pipe of elector chamber is put into accumulating vessel. Slit-shaped nozzle of suction branch pipe is arranged in parallel to screw conveyer, right and left turns of screw being directed in opposition. Feeding blades are anchored between them. EFFECT: enhanced efficiency and operational reliability of facility. 2 cl, 2 dwg