WATER CARTRIDGE FILTERING UNIT FOR WATER TREATING Russian patent published in 2018 - IPC B01D27/00 B01D37/02 

FIELD: technology of water and air purification.

SUBSTANCE: invention relates to installations for purifying natural and waste waters from suspended solids of various nature and can be used in various industries, rural and communal services, in the technology of purification of circulating water of swimming pools with the use of auxiliary substances, namely, wash-in cartridge filters for fine water purification. Washing cartridge filtering unit for water purification contains a block of six pressurized alluvial cartridge filters operating in parallel and co-located axially symmetrically in a circle, located in two tiers pressure ring pipelines supply and distribution of source water by filters. On one axis, the vertical installation is arranged from the top down: the pressure cylindrical filtrate collection chamber and the dirty wash water collection and discharge chamber, the pressurized cylindrical filtrate collection chamber is provided with a conical bottom and is provided with a pressure line for collecting and supplying the filtrate to consumers, pressure pipelines of filtrate or pure washing water installed on them by ejectors, check valves and valves for filter washing, pressure pipelines with ejectors installed on them, valves connecting the apex of the conical bottom of the pressure collecting chamber of the filtrate with the tangential inlet upper and lower nozzles of the casings of the cartridge filters for the washing of the layer of the auxiliary filtering substance; as well as a discharge line for emptying the chamber connecting the apex of the conical bottom of the filtrate chamber to the center of the upper cover of the collection chamber and discharge of dirty washing water provided with pressure pipelines to drain the dirty wash water from each filter cartridge attached tangentially to the body of the upper part of this chamber, as well as a pressure pipeline to collect dirty washing water attached to the top of the cone bottom of this chamber.

EFFECT: increasing the productivity and efficiency of water treatment.

1 cl, 4 dwg