| 摘要 |
<p>The present invention relates to a module type diffuser, which easily supplies microbubbles and coarse bubbles without an extra driving device even though required air amounts increase. The diffuser includes a body which has an opening part on the upper part and accordingly discharges air supplied from outside to the opening part; and a blade box whose upper part and lower part are opened and which is mutually connected to the opening part of the body and divides air bubbles rising supplied from the body, discharging the same to upper part. In the present invention, a plurality of blades are arranged on the inside of the blade box.</p> |
