Drying and discharging device for sodium dithionite

The invention discloses a sodium dithionite drying and discharging device, and relates to the field of drying and discharging equipment.The sodium dithionite drying and discharging device comprises a drying box and further comprises a drying cylinder, a supporting plate is arranged in the drying box, a grinding groove is formed in the supporting plate, a material blocking plate is arranged in the grinding groove in a sliding mode, and a plurality of fixing balls are arranged on the material blocking plate; a plurality of drying cylinders are arranged on one side of the supporting plate, grinding balls matched with the grinding grooves are arranged at the bottoms of the drying cylinders, and spiral blades are arranged outside the drying cylinders; the drying and discharging device can achieve drying and discharging of sodium dithionite, grinding balls grind the sodium dithionite in the mode that the grinding balls are matched with the striker plates, the caked sodium dithionite is ground, a heating cylinder di