Waste gas treatment device for powder curing oven

The utility model discloses a waste gas treatment device for a powder curing oven, which comprises a treatment box, the top of the treatment box is provided with a circulating component and a spraying component, and the circulating component is positioned on one side of the spraying component; the spraying assembly comprises a connecting pipe, a first bevel gear, a second bevel gear, a driving motor and a plurality of mixing plates, the connecting pipe is vertically arranged at the top of the treatment box through a rotating shaft, the surface of the connecting pipe is sleeved with the first bevel gear, and the surface of the first bevel gear is in meshed connection with the second bevel gear; the side, away from the connecting pipe, of the second bevel gear is connected with the output end of a driving motor, the bottom of the driving motor is connected with the top of the treatment box through a fixing block, the end, away from the second bevel gear, of the connecting pipe extends into the treatment box, an