Advanced oxidation device for advanced treatment of tail water

The utility model discloses a tail water advanced treatment advanced oxidation device which is characterized in that a hydrogen peroxide adding tank is communicated with a tail water pretreatment pool, the liquid inlet end of a lifting pump is communicated with the tail water pretreatment pool, the liquid outlet end of the lifting pump is communicated with a spray pipe, and the spray pipe is arranged in a tower reactor; the plurality of ultraviolet lamps are arranged below the spraying pipe and are arranged along the inner wall of the tower reactor, the aeration pipe extends to the bottom of the tower reactor, a water inlet of the overflow water outlet pipe is arranged below the aeration pipe, and a water outlet of the overflow water outlet pipe extends out of the tower reactor. According to the utility model, H2O2 is dissolved in tail water and enters the tower reactor in a spraying manner, so that water drops and upward ozone form convection current in an ultraviolet irradiation region, and by changing the