MEMBRANE FILTRATION APPARATUS

摘要

PURPOSE: A membrane filtration equipment, which can prevent polluting a separation film, shortening the lifetime of the separation film, blocking diffusers, or degrading water treatment efficiency occurred by foreign substance such as sludge accumulated in the bottom of a film filtering tank, is provided. CONSTITUTION: A membrane filtration equipment comprises a film filtering tank (10) providing a processing space for raw water; a scraper; and an exhaust unit (50). The scraper dismantles foreign substance accumulated in the bottom surface of the film filtering tank. The exhaust unit is connected to the bottom surface of the film filtering bath and ejects the foreign substance disassembled by the scraper with the water. A solid-liquid separation unit separating the foreign substance from the water ejected from the exhaust unit is further included.