Overflow protection device of magnetic separator

The overflow protection device comprises a base, a fixed connecting frame, a PPR supporting pipe, a limiting frame and an adjusting round pipe, the base is of a four-edge rectangular structure, the fixed connecting frame is installed in the middle of the top end of the base, the PPR supporting pipe is installed in the middle of the top end of the fixed connecting frame, and the limiting frame is installed on the rear side of the top of the circumferential surface of the PPR supporting pipe. The bottom of the rear end of the limiting frame is provided with an adjusting round pipe fixed through a drilling screw. According to the overflow protection device for the magnetic separator, normal overflow of the magnetic separator is protected to the greatest extent through reasonable design, the workload of workers is greatly reduced, the magnetic separator can be well protected, and meanwhile, the overflow protection device is stable in structure, convenient and rapid to install and light in weight. 本实用新型公开了一种磁选机溢流保