APPARATUS FOR REMOVAL OF OIL FROM WATER MEDIUM SURFACE Russian patent published in 2004 - IPC

FIELD: water treatment equipment. SUBSTANCE: apparatus has vessel equipped with supply and discharge branch pipes and adapted for receiving of water medium to be purified, and oil removal device having two transverse pieces cantilevered with vertical linear roller bearing fixed on column coupled to vessel. Combination of cylindrical vertical cartridges are inserted with their head part in through openings of upper transverse piece. Lower drive transverse piece is rigidly fixed to collars, which embrace cartridges in sliding relationship. Upper transverse piece is provided with vertical beam resting upon upper face of conveyor for periodical stopping of upper transverse piece in upper position. Drives of oil removal device are made in the form of hydraulic cylinders. Collars are manufactured from elastic material. Lower drive transverse is attached to linear roller bearing in cantilevered relation therewith, and upper transverse piece is joined to lower transverse piece by free resting upon upper part of lower transverse. EFFECT: increased efficiency in removal of free oil from water medium and enhanced reliability in operation. 9 cl