ROTARY DEVICE Russian patent published in 1997 - IPC

FIELD: collection of petroleum products split on water or ground surface. SUBSTANCE: drum 4 with floating blades 6 is installed in body 1 at varying clearance. Inlet opening 2 and outlet opening 3 of device are arranged along side surface of body 1. Made inside body in its outer wall is recess with such length of arc that width of each section of inner body surface between recess and inlet opening or between recesses of inlet and outlet openings is larger than width of chamber between blades. To reduce content of water in liquid mixture, a comb can be installed at body inlet. Every second teeth 12 of comb can be adjusted in height for more effective catching viscous liquid by each blade 16. For handling viscous liquid with solid inclusions, device can be provided with odd number of blades in the form of heavy rollers. To deliver floating petroleum to inlet 2, device can be provided with feed unit. To remove petroleum film from water or ground surface, continuous conveyor belt is employed which is incorporated in clearance between drum and body 1. Blades 6 are installed at inner side of belt, and inlet opening 2 is arranged for both lines of conveyor belt and has trough 2 under lower line of conveyor belt. EFFECT: high efficiency. 6 cl, 11 dwg