Crushing and powder collecting device for producing heavy calcium powder from marble waste

The utility model relates to the technical field of heavy calcium powder production, and discloses a crushing and powder collecting device for producing heavy calcium powder from marble waste, the crushing and powder collecting device comprises a powder collecting box, a crushing box is arranged at the top of the powder collecting box, a feeding hopper is arranged at the top of the crushing box, and a dust falling structure is arranged in the powder collecting box. According to the smashing and powder collecting device for producing the heavy calcium powder from the marble waste, a water suction pump at the top of a transverse plate pumps water in a water tank, the water enters a flow guide pipe through a water suction pipe and then enters a water storage channel in the top wall in the powder collecting box through the flow guide pipe, and then the water can be sprayed to the surface of the heavy calcium powder through a water mist nozzle at the bottom of the water storage channel; the heavy calcium powder du