Patent ID: 7364652
Filing Date: 2008-04-29
Classification: B01D,E02B,E03F

Abstract:
1. Screening apparatus attached to an overflow weir in a sewerage system, comprising: a continuous moving screen band such that a first portion of said screen band is configured to move along said weir towards one end of said weir, a second portion of said screen band is configured to move along said weir towards the opposite end of said weir; a band cleaning mechanism, and a panel attached to the weir wall supporting a guide for one edge of the screen band, wherein: said screen band further comprises a steeper portion extending to an elevated position above said first and second portions; said band cleaning mechanism is arranged to remove solid matter from the screen band at said elevated position; and said panel defines an emergency overflow level, said first and second portions being arranged to be below said emergency overflow level, whereby both of said first and second portions are arranged to provide a flow of water into said apparatus and to said overflow weir.