| 摘要 |
<p>PURPOSE: A membrane diffuser including a reverse flow preventive function is provided to increase the self purifying performance of water system by increasing dissolved oxygen in the water system. CONSTITUTION: A membrane diffuser includes a body(40), a membrane(60), a fixing frame(70), and a reverse flow preventive cock(80). The body forms an air supplying hole(10), an air discharging hole(20), and an air containing part(30). The membrane forms a plurality of diffusers. The fixing frame fixes the membrane to the body. The reverse flow preventive cock prevents the reverse flow of water. The reverse flow preventive cock is installed at the inner surface of the membrane.</p> |
