Sequencing batch sewage treatment device

The utility model discloses a sequencing batch sewage treatment device. Relates to the technical field of sewage treatment equipment. The structure is reasonable, the aeration effect can be effectively improved, and reliable treatment is ensured. Comprising a treatment tank, a water inlet, a water outlet and a sewage draining exit are formed in the outer wall of the treatment tank, a carrier placing frame and an aeration mechanism are arranged in the treatment tank, the aeration mechanism comprises a plurality of first aeration heads and a second aeration head, the first aeration heads are arranged on a supporting table at intervals and face the upper portion of the treatment tank, and the second aeration head is arranged on the supporting table at intervals and faces the lower portion of the treatment tank. A cavity is formed in the supporting table and is communicated with a first air inlet pipe and a plurality of first aeration heads; a rotating shaft is fixedly arranged at the bottom of the supporting tab