Patent ID: 8999155
Filing Date: 2015-04-07
Classification: B01D,B03B

Abstract:
1. A filtration media cleansing apparatus that cleanses filtration media for purifying liquids, comprising: an upright outer cylinder having an inlet through which the filtration media are introduced into an interior of the outer cylinder and an outlet for expelling the filtration media to an exterior of the outer cylinder after cleansing is complete; a screw conveyor provided within the outer cylinder so as to be rotatable, equipped with a spiral blade for conveying the filtration media introduced through the inlet upward while scrubbing the filtration media; a drive section that rotationally drives the screw conveyor; and a control section that controls the rotation of the drive section; wherein, the screw conveyor having a regulating blade that regulates upward movement of the filtration media, provided above the spiral blade coaxially with the screw conveyor and about the periphery of a central shaft thereof; and the outlet being provided to expel the filtration media which are conveyed from a space between the spiral blade and the regulating blade of the screw conveyor, wherein the outer cylinder is equipped with a cleansing liquid introducing aperture above at least the regulating blade within the outer cylinder.