APPARATUS FOR CLEANING OIL-POLLUTED WATER Russian patent published in 1997 - IPC

FIELD: water treating. SUBSTANCE: apparatus containing bottomed casing, stream distributor, cavities for polluted and treated water, oil collector, and suction device connected with oil collector and cavity for polluted water, is distinguished with that treatment unit is made in the form of a framework with filtering coalescence material helically arranged around central perforated tube. Helix is multifillar, its inlet regions being uniformly distributes along diameter of treatment unit and length of its sedimentation channel being equal to 700 mm, whereas diameter of treatment unit equals 250 mm. EFFECT: improved design of apparatus. 2 dwg