DEVICE FOR SAPROPEL RECOVERY Russian patent published in 2002 - IPC

FIELD: devices for sapropel recovery from impounded water reservoirs. SUBSTANCE: device for sapropel recovery has craft, appliance for sapropel processing; winch with pulling member; receiving appliance for sapropel catching made in the form of overturned box of U-shaped cross-section and carrying, secured to its cover, pontoons of variable buoyancy and suction branch pipe; flexible hose between craft and box; dredge pump with electric motor. Dredge pump is mounted on box cover and its discharge branch is connected with flexible hose. Electric motor is located in airtight capsule communicated with above-water zone by means of tube. Said tube cavity accommodates cable of electric motor supply and control and hose for compressed air. Kinematic connection of electric motor with dredge pump is realized through transmission shaft with gland appliance in cover of sealed capsule. It may be made in the form of horizontal cylinder with covers and branch pipe for connection of tube when transmission shaft with gland appliance is located in center of one of covers. Tube may have marking for visual evaluation of box immersion. EFFECT: provision of sapropel recovery at any depth of water reservoirs due to location of dredge pump directly on receiving appliance. 3 cl, 1 dwg