SEDIMENT REMOVAL APPARATUS FOR SEWAGE TREATMENT HAVING INCLINED RAKING SIEVE WORM AND SAND CLASSIFYING WORM ON COMMON SHAFT

摘要

A sand collector for separating out and removing sand from feeders, in particular of sewage treatment plants, is provided with a settling channel (1) running as a straight section and having an in particular trapezoidal cross-section. A conveyor (8) operating against the direction of flow is provided in the vicinity of the bottom (6). A classifying conveyor (10) delivers the sand transferred from the conveyor (8) upwardly at an incline. The classifying conveyor (10) is arranged in the central longitudinal plane (5) of the settling channel (1). It is equipped with a discharge chute (17) which can be used on the left or right as desired. IMAGE