Bayer process red mud treatment device

The utility model discloses a Bayer process red mud treatment device. The Bayer process red mud treatment device comprises a dilution rear tank, a vibrating screen, a water supply device and a flushing pipe, the vibrating screen is arranged above the diluting rear tank, a feeding port of the vibrating screen is connected with a feeding pipe, and a slag outlet of the vibrating screen is connected with the cofferdam through a slag outlet pipe; the water outlet end of the water supply device is connected with the water inlet end of the flushing pipe, the water outlet end of the flushing pipe is located above the vibrating screen, and a control valve is arranged on the flushing pipe. By adopting the device disclosed by the utility model, the obtained quartz is relatively high in content, and meanwhile, quartz and iron sand in Bayer process red mud can be recycled, so that the pipeline abrasion is reduced, the risk of pipe sinking is reduced, the tank condition of the separation tank is stabilized, and the floccul