APPARATUS FOR SUPPLYING AIR FOR CLEANING MEMBRANE OF IMMERSION TYPE SEPARATION MEMBRANE FILTER TANK

摘要

PURPOSE: An air supply device of an immersion type membrane separator is provided to efficiently supply air to a plurality of separation membrane units by adjusting the flow rate of the air supplied to each diffuser and to improve the processing efficiency of a sewage processing device. CONSTITUTION: An air supply device of an immersion type membrane separator includes a diffuser(40) with an opening that discharges air and is arranged on the bottom of a separation membrane unit(90) in which a separation membrane is installed, and a height adjusting device(50) adjusting the height of the separation membrane unit. The air supply device further includes a blower, an inflow pipe connected to the blower and a connection pipe(30) connecting the inflow pipe and the diffuser and arranged inside a filtering tank. The height adjusting device controls the length of the connection pipe and the height of the separation membrane unit in the diffuser.