Moisture-proof assembly at powder bin inlet pipe

The utility model discloses a powder bin inlet pipe moistureproof assembly, and relates to the technical field of powder storage equipment, the powder bin inlet pipe moistureproof assembly comprises an assembly body, the upper side of the assembly body is fixedly provided with a feeding channel pipe, the outer side of the feeding channel pipe is provided with a rotating handle, and the lower side of the assembly body is fixedly provided with a discharging channel pipe; the outer end of the feeding channel pipe and the outer end of the discharging channel pipe are each provided with a blocking piece. The drying agent particles are arranged in the ring sleeve of the moisture-proof assembly, and the filter screen holes are formed in the side face of the ring sleeve, so that the drying agent in the moisture-proof assembly can absorb moisture in air entering the powder inlet pipe, and the phenomenon that sodium carbonate powder attached to the pipe wall makes contact with the moisture and is affected with damp and