SCREEN WITH HIGH PRESSURE NOZZLES

摘要

A raking device (1) for separating solids from liquids, for example for sewage-treatment plants, with cleaning elements circulating in a raking space (4) extending basically over the width of the frame that are connected to at least one lateral endless chain (8) that is driven by a motor (11); screen elements (12) with holes are provided as the cleaning elements; they are arranged in steps like an escalator, and on the top of the rake frame (4) there is a screen element/cleaning device (34) with nozzles (43) to clean the perforated screen elements (12) as they go by.