Efficient crystallization device for producing medicinal sodium thiosulfate

The utility model discloses a high-efficiency crystallization device for producing medicinal sodium thiosulfate, which comprises a crystallization kettle, a feeding hopper is arranged on the right side of the top of the crystallization kettle, a discharge port with a valve is arranged at the bottom of the crystallization kettle, and a stirring structure is rotatably arranged in the crystallization kettle; the heat preservation shell is fixedly connected to the outer side of the crystallization kettle in a sleeving mode, a heating structure is fixed to the side wall of the crystallization kettle, and the heating structure is located on the inner side of the heat preservation shell; the filter screen plate is fixedly connected to the top of the inner side of the crystallization kettle in a sleeving mode, located on the lower side of the hopper diameter of the feeding hopper and obliquely arranged downwards from right to left, and a sealing door is arranged at the position, corresponding to the upper side of the