Waste water treatment device for department of stomatology

The utility model discloses a waste water treatment device for the department of stomatology. The waste water treatment device comprises a water collecting tank, a primary reaction tank, a primary mud-water separation tank, a secondary reaction tank, a secondary mud-water separation tank, a mud filtering tank, a clear water tank, a first dosing tank, a second dosing tank and a PLC (Programmable Logic Controller) control system which are connected in sequence. The device is of a pyramid-shaped structure and comprises four layers. The first-stage reaction tank and the first-stage mud-water separation tank are arranged on the top layer, and the water collecting tank, the first dosing tank and the second dosing tank are arranged on the bottom layer; the second-stage reaction tank, the second-stage mud-water separation tank and the PLC control system are arranged on the second layer; the slurry filter tank and the clear water tank are arranged on the third layer. The problem of water pollution generated in treatme