Dust falling device for cement production

The utility model discloses a cement production dust falling device which comprises a supporting frame, a rotating pipe is rotationally connected to the supporting frame, the bottom of the rotating pipe is communicated with a water inlet hose, a spraying pipe is hinged to the side wall of the top of the rotating pipe, an atomizing nozzle is arranged on the spraying pipe, and the top of the rotating pipe is communicated with the spraying pipe through a water outlet hose. The supporting frame is provided with a driving part for driving the rotating pipe to rotate in a reciprocating mode, the outer side of the rotating pipe is sleeved with a supporting disc fixedly connected with the supporting frame, the upper surface of the supporting disc is provided with a plurality of first teeth distributed around the center line of the rotating pipe in an annular array mode, and the outer side of the rotating pipe is slidably sleeved with a moving disc. The lower end of the moving disc abuts against the upper end of the s