Aeration system

The utility model belongs to the technical field of sewage treatment, and discloses an aeration system. The aeration system comprises at least one aeration unit, the aeration unit comprises an aeration pipeline and a plurality of aerators, the aeration pipeline comprises a horizontal gas distribution ring pipe, a distribution ring pipe vertically communicated with the horizontal gas distribution ring pipe and a main pipe communicated with the top of the distribution ring pipe, the aerators are arranged on the horizontal gas distribution ring pipe at intervals, and the aeration pipes are communicated with the main pipe. And the distribution ring pipe and/or the main pipe are/is constructed to be lifted under the action of external force so as to integrally drive the aeration pipeline and the aerators to be transferred to required positions. According to the aeration system disclosed by the utility model, the aerators can be conveniently maintained or replaced. 本实用新型属于污水处理技术领域，公开了一种曝气系统。该曝气系统包括：至少一个曝气单元，曝气单元包括曝