| 摘要 |
<p>Disclosed is a filtering device with a simplified structure. The filtering device of the present invention comprises a frame structure, and a hollow fiber membrane module installed inside the frame structure. The frame structure includes: an aeration unit located under the hollow fiber membrane module for washing the hollow fiber membrane module; and a double pipe including a first passage for permeate generated from the hollow fiber membrane module, and a second passage for air supplied into the aeration unit.</p> |
