Temporary storage bin for calcium oxide powder

The utility model relates to the technical field of storage bins, and provides a calcium oxide powder temporary storage bin which comprises a bin, a movable door is arranged at an opening in one side of the bin, side blocks are fixed to the two sides of the movable door respectively, vertical guide blocks are arranged on the opposite faces of the side blocks, and the side faces of the vertical guide blocks are fixed to the bin and a support respectively. A vertical guide groove is formed in the side, close to the side block, of the vertical guide block, a roller is connected in the vertical guide groove in a rolling mode, the vertical guide groove limits the roller to slide in the vertical guide groove, a rotating shaft rotationally penetrates through the roller, and one end of the rotating shaft fixedly penetrates through the side block; the bottom of the side, away from the stock bin, of the movable door is fixedly connected with a connecting block, a threaded column is rotationally arranged in the connecti