Desulfurization water replenishing device for steel rolling

The utility model discloses a steel rolling desulfuration water replenishing device which comprises a water tank, sliding grooves are formed in the four corners of the inner wall of the water tank, magnetic buckling grooves are embedded in the upper ends of the inner walls of the sliding grooves, sliding rods are installed on the inner walls of the sliding grooves in an inserted mode, and the lower ends of the sliding rods are fixedly connected with a lower sealing plate. A bent pipe is installed on the water outlet pipe, rotating blocks are installed at the two ends of the water outlet pipe correspondingly, threaded connectors are installed at the other ends of the rotating blocks, threaded grooves are formed in the other ends of the threaded connectors in an inserted mode, and the threaded grooves communicate with the water tank body and the water pump correspondingly. According to the desulfuration water supplementing device for steel rolling, double-layer filtering treatment can be carried out through the