Drying equipment for desulfurized gypsum processing

The utility model discloses drying equipment for desulfurized gypsum processing, which comprises an outer shell and a heat preservation inner shell arranged in the outer shell, a drying drum is rotatably arranged in the heat preservation inner shell, a feeding pipe is arranged at one end of the outer shell and extends into the drying drum, a driving motor is arranged at the top of the heat preservation inner shell, and the driving motor is connected with the drying drum. The driving motor is provided with a first bevel gear extending into the heat preservation inner shell, the first bevel gear is meshed with a second bevel gear, a gear is fixedly arranged on the rear side of the second bevel gear, a rack meshed with the gear is welded to the outer side of the drying roller, and a heater is arranged at the bottom in the heat preservation inner shell. Compared with the prior art, the flue gas desulfurization gypsum drying device has the advantages that the drying roller can be heated in a heat preservation mode