Preheating device for light burning powder production

The utility model discloses a preheating device for light burning powder production, which relates to the technical field of preheating equipment, and comprises a spiral pipeline, a shell, an air heating system and a water heating system, one end of the pipeline is provided with a feed port, and the pipeline is connected with an external delivery pipe through the feed port; one end of the spiral pipeline is provided with a material inlet, the other end of the pipeline is provided with a material outlet which is connected with heating equipment for processing light burning powder raw materials, the shell is arranged outside the spiral pipeline, the water heating system comprises a transition cylinder, a water pump, a water tank for continuously heating and a water pipe, the transition cylinder is vertically arranged at the central position in the shell, and the pipeline is coiled on the transition cylinder; according to the utility model, the pipeline close to the heating equipment is arranged to be spiral, th