▎ 摘　　要

NOVELTY - The utility model claims a photo-catalytic oxidation reactor for persistent sewage, comprising a main board and a telescopic rod installed at two ends of the side wall of the main board, the side wall of the telescopic rod is provided with a secondary plate, the side wall of the main plate is installed with one end of the photo-catalytic oxidation net, the other end of the photo-catalytic oxidation net is installed on the side wall of the secondary plate, the side wall of the telescopic rod is sleeved with a sleeve, the upper wall of the sleeve is provided with a vertical frame, the upper wall of the vertical frame is provided with a transverse plate, the upper wall of the transverse plate is provided with a straight slot, the upper wall of the transverse plate is provided with a connecting frame, the device can drive the brush hair to rotate through the motor; the photo-catalytic oxidation net made by the graphene is cleaned, avoiding the impurity in the water completely covering the photo-catalytic oxidation net, affecting the absorption sunlight to oxidize, reducing the efficiency of the water purifying, the motor is set on the electric control sliding block, the electric sliding block can slide in the slide rail, so as to improve the cleaning area of the brush hair, making the cleaning more complete.