FILTER Russian patent published in 1999 - IPC

FIELD: mechanical engineering; cleaning of process liquids from slime by filtering. SUBSTANCE: filter has driving perforated drum with fitted on filtering gauze whose axle is made in form of hollow shaft with slots and provided with pump to remove filtrate installed in reservoir to provide rotation of drum below the level of cleaned liquid. Branch pipes of pipeline connected with ejector are located below the drum in reservoir. Air feed pipeline is secured inside hollow shaft in upper part of drum. Process liquid pipeline is located in lower part of drum and is connected to coupler of clean process liquid supply system whose outlet branch pipes are arranged in zone formed by two vane shutters secured on hollow shaft along branch pipe location line. Pan installed in lower part of reservoir has wire and brush. EFFECT: reduced cost of filter adjustment and washing, reduced power consumption, increased reliability of filter. 6 cl, 2 dwg