Water treatment device

The utility model provides a water treatment device. The device comprises a water inlet, a scum baffle, a water outlet, a water decanting trough, an inlet water distributor, a driving mechanism, a transmission shaft, a service bridge, a scraping plate group, a bottom bearing, a scraping plate part, a scraping arm, a clarification tank, an inclined tube and a support keel, wherein the driving mechanism, the inlet water distributor, the scraping arm, the bottom bearing and the scraping plate part are sequentially arranged on the transmission shaft, and the inclined tube comprises an inner side inclined tube, a middle inclined tube and an outer side inclined tube which are sequentially distributed from inside to outside. Inclined tubes with different apertures and angles are arranged in different areas of a clarifying device, spoil disposal of sewage with a large flocculation quantity in a primary area is smooth, the load of the inclined tube in a middle area is reduced, consequently the service life of the incl