In the aeration process, an aeration head, namely, an air waste water diffuser is required. The waste water diffuser closest to this utility model is a hydraulic shearing type diffusion device-an inverted basin type waste water diffuser. It consists of a bell-shaped basin shell with an air inlet and a rubber plate. , Screw and nut.
The upper edge of the inverted basin waste water diffuser is made of polyethylene plastic, and a rubber plate is supported under it. During aeration, the air blows out from around the rubber plate and rotates and rises in a general jet flow. The shearing effect and turbulence caused by the swirling flow The flow effect makes the bubble size smaller, the liquid film is renewed faster, and the effect is better. The disadvantage is that it cannot provide smaller bubbles with higher conversion efficiency.