AUTOMATIC SLOT FILTER Russian patent published in 2008 - IPC B01D29/48 B01D29/54 B01D29/66 

FIELD: technological processes.

SUBSTANCE: filter contains casing, cover, bottom chamber, nozzles for contaminated liquid supply, for purified liquid outlet, backwashing and drain, top and bottom support plates, in through coaxial openings of which along one or several concentric circumferences filtering elements are installed of mostly tubular shape with internal filtration surface, central tube. On stepped shaft of shaft-header unit of filtering elements alignment is motionlessly fixed during regeneration in the form of star that represents disk with cogs of triangular shape, rocker is fixed, on two arms of which plugs are installed. Bushings are installed in nozzles of shaft-header. Pressing ring is installed onto top support plate. Filter is equipped with ball valves with electromagnet drive, pressure sensors.

EFFECT: higher efficiency of regeneration; higher operation resource; lower operational costs and simplification of design.

7 cl, 5 dwg