Communicating well structure of sewage treatment structure

The utility model relates to the technical field of sewage treatment. The utility model discloses a communication well structure of a sewage treatment structure. According to the technical scheme, thedevice comprises an outer-ring vertical shaft and an inner-ring vertical shaft, the outer-ring vertical shaft is arranged at the periphery of the inner-ring vertical shaft; an outer drainage hole isformed in the bottom of the outer well wall; an opening is formed in the inner ring vertical shaft; the opening is formed in the bottom of the partition wall; the height of the inner ring vertical shaft is smaller than that of the outer ring vertical shaft; the vertical shaft structure further comprises a dirt removing device, the dirt removing device comprises a lifting device and a dirt removingplate, the dirt removing plate is arranged at the bottom of the inner ring vertical shaft, the open hole is located above the dirt removing plate in the vertical direction, a support is arranged on the inner shaft wall, the li