Sewage treatment device

The utility model relates to the technical field of sewage treatment, in particular to a sewage treatment device, which provides a closed space through a stirring device, reduces the volatilization of toxic gas, stirs sewage, accelerates the treatment speed of the sewage and improves the protection property and the practicability of equipment. The solid dirt is screened out through the screening device; the screening device and the stirring device are flushed through the flushing device; reaction reagents are quantitatively added into the stirring device through the reagent adding device, so that resource waste is reduced; the PH value in the stirring device is monitored through the electric appliance control device, and the agent adding device is controlled to continuously and quantitatively add agents, so that the automatic agent adding process is achieved, and the practicability of the equipment is improved; comprising a treatment pond, a moving device, a stirring device and a feeding device, and the movin