Screening device for desulfurizing agent

The utility model belongs to the technical field of desulfurizers, in particular to a screening device for desulfurizers, which comprises a screening box and a fixing plate, fixing strips are fixedly mounted on the left side and the right side of the surface of the screening box, fixing racks are fixedly mounted on the two sides of the inner wall of each fixing strip, a fixing motor is fixedly mounted on one side of the surface of the fixing plate, and the fixing racks are fixedly mounted on the fixing motor. The fixed motor is fixedly provided with an incomplete gear through a rotating shaft at the output end, and the fixed rack is connected with the incomplete gear in a meshed mode. During use, firstly, a desulfurizing agent is poured into the screening box, then a fixed motor is started to drive an incomplete gear to rotate, the screening box is slidably connected with a fixed plate through a sliding device, and the incomplete gear is in meshed connection with a fixed rack, so that when the incomplete gear