Crystal nucleus screening and recycling device

The utility model relates to the technical field of screens, in particular to a crystal nucleus screening and recycling device. Comprising an inner cylinder, an outer cylinder and a recycling cylinder, the outer cylinder is sleeved outside the inner cylinder, and the outer cylinder is fixedly connected to the bracket below the outer cylinder; the centers of the inner cylinder and the outer cylinder are coaxial, the left ends of the inner cylinder and the outer cylinder are higher than the right ends, and the inner cylinder and the outer cylinder are inclined. Sieve holes are fully distributed in the inner cylinder, a rotating shaft is arranged in the inner cylinder, continuous spiral blades are arranged on the rotating shaft, one end, extending out of the inner cylinder, of the rotating shaft is connected with a driving device, and the other end of the rotating shaft is connected with a bracket; communicating pipes are arranged between the recycling barrel and the inner barrel and between the recycling barrel