| 摘要 |
<p>A two-stage sewage water treatment plant using a biological activating system with suspended activated sludge, formed by a storage tank with sewage water inlet, air pump pumping raw water into the activation tank and emergency level indicator, the activation thank with aeration equipment and air pump being designed to fill the post-sedimentation tank provided with the clear water outlet. The activation tank (2) is provided with sludge drainage air pump (12) designed to pump excessive sludge into the sludge box (19), provided with the aeration device (20), connected with the aeration device (10) of the activation tank (2) to form one branch of the aeration system, while the storage tank (1) is provided with aeration device (3) of the second branch of the aeration system, both branches being connected with the changeover switch. And a method for sewage water treatment.</p> |
