Aeration purification device for water pollution

The utility model discloses a water pollution aeration purification device which comprises a base, an emergency mechanism is arranged in the base, the emergency mechanism comprises an elastic membrane, the elastic membrane is fixedly connected with the base, a working frame is arranged at the end, located on the elastic membrane, of the base, the side face of the working frame is fixedly connected with a conveying pipe, and the conveying pipe is fixedly connected with the base. An injection mechanism is arranged at the end, away from the base, of the working frame and comprises a baffle, after the device is placed into water, oxygen is introduced into the working frame through the conveying pipe and enters the injection mechanism, the injection mechanism flushes the oxygen into the water, the baffle prevents river sand from entering an injection opening of the injection mechanism, the blocking condition is reduced, and the working efficiency is indirectly improved; when river sand is continuously accumulated,