Ring Grit Remover

摘要

A grit removal unit for a wastewater system including a grit removal chamber with a substantially annular vertical wall. A horizontal annular ring above the chamber bottom extends inwardly from the annular vertical wall, with an influent channel extending into the chamber beneath the ring and an effluent channel above the rim and extending out of the chamber. The influent and effluent channels both have inner side walls with a curved portion, with both curved portions extending through an arc of at least 90 degrees within the chamber annular vertical wall.

主权项

1. A grit removal unit for a wastewater system, comprising:
a round grit removal chamber defined by a bottom surface and a substantially annular vertical wall extending up from said bottom surface; a substantially horizontal annular ring spaced above said chamber bottom surface and extending inwardly from the chamber annular vertical wall to an inner edge; and an enclosed influent channel extending into said chamber beneath the ring, said influent channel having an outer side wall with a planar portion tangent to said chamber vertical wall and an inner side wall with a planar portion and a curved portion extending through an arc of at least about 90 degrees within said chamber annular vertical wall.