FILTER UNIT Russian patent published in 2018 - IPC E02B8/08 B01D35/27 

FIELD: fishing and fish breeding.

SUBSTANCE: invention relates to fish breeding, namely to devices for water treatment in water reservoirs. Filter unit contains a filter screen with a protective perforated sheet located with a clearance above the filter screen. Filter screen with a protective perforated sheet is installed in the internal cavity of the housing with a clearance above its flat inclined bottom with the formation of a receiving cavity of deposition. There is a catch water collector in the lower part of the inclined housing, and there is a reservoir for water to be purified in the upper part, they are hydraulically connected to the underscreen receiving cavity through culverts. Culvert in the upper part of the housing is located under the filter screen, and the culvert at the bottom of the housing is above the protective perforated sheet. Above the surface of the protective perforated sheet a longitudinal inclined guide rod is installed, on which a distribution manifold with a possibility of longitudinal displacement is placed. Distribution manifold is connected to a catch water collector, with injectors fixed to it and inclined to the surface of the filter screen.

EFFECT: improved quality of water treatment and reduction of the volume of washing water are provided.

6 cl, 2 dwg