Patent ID: 6749069
Filing Date: 2004-06-15
Classification: B01D

Abstract:
Equipment (1) for filtering and removing particles (11i) contained in suspension by a liquid (12), characterized in that it comprises:a first section (2) surrounded by a filter layer (3); a second section (6), delimited externally by walls (6p) which are connected below to walls (2p) which surround the said first section (2) and the said filter layer (3), which is spaced at a distance (D) from the filter layer; a third section (7) placed coaxially with and underneath the said second section (6), with which it communicates via a first valve (8); a container (9) with filter walls for collecting the sludge formed by the filtered particles (11i), placed under the said third section (7), with which it communicates via a second valve (10); a vessel (13) for the liquid (12) to be filtered, containing inside it the said container (9) with filter walls; first pumping means (4) which draw up the liquid (12) to be filtered from the said vessel (13) and introduce it under pressure into the said first section (2); second pumping means (5) which draw up a quantity of the filtered liquid present between the filter layer (3) and the walls (2p) which surround the said first section (2), and project it against the said filter layer (3) from the inside of the said first section (2); and one or more ducts (16) for the outflow of the remainder of the filtered liquid present between filter layer (3) and the walls (2p) which surround the said first section (2).