Aerator pipe structure for wastewater treatment and mounting method thereof

The invention belongs to the field of wastewater treatment, and particularly discloses an aeration pipe structure for wastewater treatment and an adding method thereof.The aeration pipe structure comprises a first aeration pipe fitting, a second aeration pipe fitting and a connecting pipe, and the first aeration pipe fitting and the second aeration pipe fitting are fixed to the head end and the tail end of the connecting pipe respectively; the first aeration pipe fitting and the second aeration pipe fitting are the same in shape but different in size specification, each of the first aeration pipe fitting and the second aeration pipe fitting comprises a supporting pipe, an aeration pipe, a connecting column, a supporting structure and an air inlet pipe, the section of the supporting pipe is cross-shaped, a mounting hole is formed in the middle of the supporting pipe, the supporting pipe is a square pipe, and aeration holes A are formed in the upper end face and the lower end face of the supporting pipe; the fo