| 摘要 |
<p>An aeration/mixing device (1) is provided with a water tank (10), a draft tube (11) positioned vertically within the water tank (10), a diffuser tube (12) positioned within the draft tube (11), and an impeller (13a, mixer (13)) positioned within the draft tube (11) and on the upper side of the diffuser tube (12). The diffuser tube (12) in the aeration/mixing device (1) has a plurality of micropores, and air is discharged from the micropores. This aeration/mixing device (1) is an energy-saving aeration means in which the energy required to power the same is minimized.</p> |
