| 摘要 |
<p>PURPOSE:To provide an overall aeration tank capable of forming clear convections over the entire region of the tank and having high oxygen moving efficiency. CONSTITUTION:Many air diffusion plates 2 are arranged to the whole surface of the bottom part of an aeration tank 1 in rows. Air bubble diffusion preventing plates 3 are vertically provided on both sides of the air diffusion plate 2 of each row and a diffusion plate 4 is provided between the upper end of the air bubble diffusion preventing plate 3 and the surface of the water.</p> |
