WATER TREATING FILTERING APPARATUS

摘要

PURPOSE: A filtering device for water treatment is provided to improve washing effects with a small number of aeration tubes by arranging an aeration tube with a membrane alternatively, and to remove foreign matters attached on the surface of a separation membrane. CONSTITUTION: A filtering device for water treatment includes a separation membrane module and a plurality of diffusers(30) emitting cleaning air to the separation membrane and is alternatively arranged with the separation membrane. The diffusers are arranged with the separation membrane in a vertical direction. The diffusers includes a plurality of aeration holes(32). The diffuser is arranged at the bottom of the separation membrane.