Water circulation recycling device for indoor breeding industry

The utility model discloses an indoor breeding industry water circulation recycling device which comprises a filtering cavity, a water inlet pipe is fixedly connected to the lower portion of the left side of the filtering cavity, a first electromagnetic water valve is installed at the joint of the water inlet pipe and the filtering cavity, and a partition plate is fixedly connected to the inner side of the filtering cavity. The partition plate divides the left part and the right part of the filter cavity into a sewage pool and a filter pool, a filter screen cylinder penetrates through the center of the partition plate and is rotationally connected with the partition plate, the center of the left side of the filter screen cylinder is rotationally connected with the inner wall of the left side of the sewage pool through a long rotating shaft, and the filter screen cylinder is fixedly connected with the long rotating shaft; the center of the right side of the filter screen cylinder is rotationally connected with