FIELD: agriculture; sphere of sewage and storm water pre-cleaning.
SUBSTANCE: sewage and storm water pre-cleaning method includes sewage water feed, its filtration through installed cleaning grid made as set of plates retaining large mechanical impurities, their deposing to grid basis. Device for sewage and storm water pre-cleaning includes retaining grid installed in it at an angle to water flow and made as set of plates installed with equal spacing, and accumulating tray for garbage collection. It contains also reservoir with water feed socket, compressor, control unit and air distributor. Retaining grid plates are pierced with horizontal line aerators installed in cascade.
EFFECT: increasing efficiency and performance reliability.
3 cl, 1 dwg
