Energy-saving efficient AO reaction device with self-cleaning function

The invention relates to the technical field of sewage treatment, and discloses an energy-saving high-efficiency AO reaction device with a self-cleaning function, the energy-saving high-efficiency AO reaction device with the self-cleaning function comprises an anoxic tank and an aerobic tank, one side of the anoxic tank is provided with a hydraulic lifter, the hydraulic lifter is provided with a connecting block, and the connecting block is connected with the aerobic tank. A connecting block is installed on the anoxic tank, a gas shielding plate is installed on the connecting block, a second module guide rail is installed on the upper portion of the gas shielding plate, a second moving seat is installed on the second module guide rail in a sliding mode, a connecting rod is installed on the second moving seat, and a cleaning agent discharging pipe is installed on the connecting rod. When the heater returns to the initial position, a second module guide rail is started, a second moving seat drives a cleaning ag