Sewage treatment aeration device

The utility model relates to a sewage treatment aeration device, which comprises a box body (1), an aeration mechanism (2) and a stirring mechanism (3), the upper part of the box body (1) is provided with a cover plate (14), the aeration mechanism (2) and the stirring mechanism (3) are arranged on the cover plate (14), the aeration mechanism (2) and the stirring mechanism (3) extend into the box body (1), the air inlet end of the aeration mechanism (2) at the top is connected with an aerator body (5), and the air outlet end of the aeration mechanism (2) at the bottom is provided with a plurality of aeration holes (24); the plurality of stirring mechanisms (3) are uniformly distributed around the aeration mechanism (2) in an annular array; the parts, positioned above the cover plate (14), of the plurality of stirring mechanisms (3) are jointly in transmission connection with a driving mechanism; and the whole position of the stirring mechanism (3) is higher than the gas injection position of the aeration mecha