DRAIN-AND-DISTRIBUTE DEVICE OF WATER PREPARATION FILTER Russian patent published in 2009 - IPC B01D24/38 

FIELD: process engineering.

SUBSTANCE: drain-and-distribute water preparation filter device consists of manifold and pipes connected thereto. Pipe top part has holes, while free end face is plugged. Groove with slots is tightly jointed to each pipe, right above the holes. Crosswise section of the groove represents a circle segment and is arranged parallel to the pipe generating line. Aforesaid groove consists of longitudinal ribs whereto crosswise rows of triangular-section wire are attached spaced apart for gap t that forms afore mentioned slots on the groove. The said gap t, due to wire triangular section, features diffuser widening like Venturi nozzle.

EFFECT: higher reliability, simpler design and higher efficiency.

5 cl, 8 dwg