Patent ID: 6733663
Filing Date: 2004-05-11
Classification: B01D,E03F

Abstract:
A wastewater treatment washer compactor system, comprising:an in-channel motorized screen adapted for installation in an influent channel for removal of screenings from an influent stream, said motorized screen having a plurality of panels, each of said panels having openings, wherein said motorized screen has an upstream side and a downstream side; at least one washer comprising a tank, an inlet chute to said tank, a motorized agitator disposed in said tank, and a discharge outlet from said tank; conveyance means for directing the screenings collected by said motorized screen into said washer tank(s); at least one compactor having an inlet in communication with said discharge outlet of said washer, said compactor(s) including a housing having an inlet end and a discharge end, at least one water drain, a variable orifice pinch valve disposed on said discharge end, said pinch valve having an inlet, a deformable inner sleeve which selectively permits the discharge of compacted screenings when a preselected pressure is exerted on said inner sleeve, and a discharge orifice, and motorized compacting means for moving, compacting, and dewatering screenings within said housing; and system control means for coordinating and controlling the motor speed of said motorized screen, the washing cycle time and processing rate of said washer(s), and the compacting rate of said compactor(s).