Underground sewage treatment equipment 1. Equipment introduction: The inclined pipe settler is a device that installs inclined pipes with a tilt angle of 50 degrees on the suspended layer of sludge. Suspended solids, solids, or flocs formed by adding coagulants in the raw water accumulate on the bottom surface of the inclined pipe to form a sludge layer. By relying on gravity, the debris will be collected in the suspended layer of sludge, and then sink into the sludge collection hopper. It is discharged into the sludge tank through the discharge pipe for further treatment or comprehensive utilization. The supernatant gradually rises to the collection pipe and is gradually discharged, which can be directly discharged or used