Sewage treatment facility aeration device convenient to maintain

The utility model belongs to the technical field of sewage treatment, and discloses a sewage treatment facility aeration device convenient to maintain, which aims to solve the technical problems in the aeration device in the prior art, and comprises an aeration main pipe connected with a fan air source, the aeration main pipe is lapped on one side edge of an aeration tank in the length direction, and the aeration main pipe is connected with the fan air source. Secondary aeration pipes are arranged on the aeration header pipe at intervals, first aeration mechanisms and second aeration mechanisms are detachably mounted on the secondary aeration pipes at intervals, and the first aeration mechanisms are in contact with the bottom of the aeration tank. According to the aeration device disclosed by the utility model, the aeration header pipe is lapped at the edge of the aeration tank, so that the aeration device is relatively convenient to mount and dismount, and the first aeration mechanism is in contact with the