Patent ID: 6997328
Filing Date: 2006-02-14
Classification: B01D

Abstract:
1. An assembly for removing grit from a fluid, the assembly comprising: a tank for holding the fluid for separation of grit from the fluid, the tank including a bottom having an upwardly inclined trough and a screw conveyor housed in the trough for removing grit, spaced sloped side walls converging downwardly to the trough, and a rear wall; a fluid inlet into the tank; a fluid discharge from the tank, the fluid discharge being spaced from the fluid inlet; a flow directing assembly positioned in the tank adjacent the fluid inlet and in spaced relation above the screw conveyor, the flow directing assembly including a substantially U-shaped surface opposite the fluid inlet such that fluid entering the tank through the inlet is caused to have a reversed flow in a direction more than 90 degrees from an inlet flow direction and away from the inlet and away from the screw conveyor, and at least one baffle plate having a plurality of through holes, the baffle plate positioned, with respect to the direction of flow of fluid, between the flow directing assembly and the fluid discharge.