Surface treatment tank with waste gas collection function

The utility model discloses a surface treatment pond with waste gas collection function, which comprises a surface treatment pond, a waste gas collection device and a plurality of device supports, the surface treatment pond comprises a surface treatment pond body, a plurality of trapezoidal plates are connected to the upper end of the surface treatment pond body in a turnover manner, the trapezoidal plates are fixed through detachable connecting pieces, and the device supports are arranged on the trapezoidal plates. A sludge guide table is arranged at the bottom of the surface treatment pond, a surface treatment pond discharge port is formed in the bottom of a surface treatment pond body, a plurality of air cylinders are arranged at the lower end of the device support, the main support is connected to the air cylinders in a liftable mode, a plurality of gas-collecting hood fixing supports are arranged at the upper end of the main support, and gas-collecting hoods are arranged on the gas-collecting hood fixing