DEVICE FOR REMOVAL OF SURFACE LAYER OF OIL-CONTAINING LIQUIDS Russian patent published in 2009 - IPC C02F1/40 

FIELD: sewage treatment facilities.

SUBSTANCE: invention is related to removal of surface layer of oil-containing liquids and may be used in sewage treatment facilities of water supply and drainage systems in chemical, metalworking and other industry fields, in treatment of technological, lubricating-cooling liquids from organic admixtures, and also for removal of oil products from surface of water reservoirs, rivers, seas, oceans. Oil-collecting facility is a belt conveyor and consists of infinite thin metal belt perforated at sides and installed on two hollow sealed drums, one of which is master, and the other one is slave, which are mounted on movable frame fixed to immovable frame by means of supports. Drums have one sprocket in the ends. Float is located between branches of belt and drums. Conveyor may swing relative to surface liquid layer around axis of master drum installed on two supports that are fixed to immovable frame mounted on deck of self-propelled barge in its forebody or in settling tank in department. Skis are provided between surfaces of drums and float, permanent magnets are fixed between skis to internal surface of belt.

EFFECT: increased efficiency of device.

6 dwg