WATER CLARIFICATION FILTER Russian patent published in 2008 - IPC B01D21/08 

FIELD: process flows, filters.

SUBSTANCE: invention can be applied for treatment of natural waters. The clarification filter includes the case divided by vertical screens into two side clarification passages and central passage for sediment accumulation and compression with cone bottom that are interconnected by sediment diverting windows made in vertical screens and flocculation tanks with synthetic fiber loads located in cone bottoms of side clarification passages. Device also includes filter with floating load provided with top and bottom screens to prevent ejection of floating load, pipelines for supply of source water and discharge of filtered and flush water, diversion of sediment and filtered water colletion tank. The central passage for sediment accumulation and compression are provided with sediment collection and rejection collector located lengthwise the sediment diverting windows; each collector is made on both sides and aslope the center of vertical screen and provided with discharge port with valve controlled by steering column with rod. The top and bottom screens of the filter with floating load are provided with ports with stuffing seals to ensure vertical reciprocating travel of column rods. Water ports with slide gates are provided in vertical screens above the top screen of the filter with floating load and cages to mount loading of catalyst flocculation tanks are provided in top parts of cone bottoms of the side clarification passages.

EFFECT: increased efficiency of water treatment and cost-effective operation of the facility.

3 cl, 3 dwg