Patent ID: 6189703
Filing Date: 2001-02-20
Classification: B01D

Abstract:
A gravity liquid filtration apparatus, comprising:a housing having opposing side walls, forward and rearward ends, an open top and an open bottom;a pool forming assembly mounted between said side walls, including:a central shaft;two spaced-apart containment discs rotatably mounted on the shaft;said discs having peripheral edges;a filtration media belt;an endless loop filter media carrier belt for supporting said filtration media belt in an endless loop fashion and for pressing it against the peripheral edges of the discs along corresponding bottom arcs thereof;said carrier belt including an open mesh, and supported on a plurality of rollers, such that an upper run thereof is pressed towards the peripheral edges of the discs;a drive means for driving the carrier belt on the rollers;liquid input means for discharging liquid into the pool forming assembly; anda separation pan beneath the pool forming assembly located to receive liquid filtered through an upper run of said filtration media belt supported on the upper run of the carrier belt;said separation pan located between a lower run of the carrier belt and the upper run of the carrier belt, and having a first drainage spout for draining liquid therefrom located laterally outwardly of a first side edge of the lower run of the carrier belt, to drain filtered liquid out the bottom of the housing.