Submersible water impeller

The embodiment of the utility model provides a submersible water impeller, and belongs to the technical field of sewage treatment. The submersible water impeller comprises a water impeller body, a base and a lifting assembly, and the water impeller body is arranged in the sewage pool; the base is arranged in a sewage pool and is used for bearing the water impeller body; the lifting assembly is used for transferring the water impeller body located on the base to the outside of the sewage pool so that the water impeller body can be conveniently maintained. Wherein a positioning groove is formed in the base, a positioning rod is correspondingly arranged at the bottom of the water impeller body, and the positioning rod is matched with the positioning groove in an inserted mode so that the water impeller body can be positioned on the base. According to the submersible water impeller, the water impeller body can be conveniently maintained when the water impeller body breaks down. 本申请实施例提供了一种潜水推流器，属于污水处理技术领域。潜水推流器包括