Cryolite slurry synthesis tank

The utility model provides a cryolite slurry synthesis tank which comprises a synthesis tank body, an electric heating device is arranged in the side wall of the synthesis tank body, a temperature sensor, supporting legs, a discharging pipe, a control valve, a tank cover and a feeding hopper are arranged on the inner side wall of the synthesis tank body through a containing groove, and the cryolite slurry synthesis tank further comprises a vertical moving type stirring module and a scraping module. The vertical moving type stirring module comprises an L-shaped mounting plate, a linear sliding table, a transverse plate, a stirring shaft, stirring blades and a driving unit which are arranged on the outer side walls of the upper parts of the left side end and the right side end of the synthesis tank body, and a through hole matched with the stirring shaft is formed in the top of the tank cover. According to the cryolite slurry synthesis tank disclosed by the utility model, not only can raw materials in the synth