Dust falling device for municipal engineering construction

The utility model discloses a dust falling device for municipal engineering construction, which comprises a device base, a control box, a driving motor, a second circular ring and a dust filtering net, a support column is connected above the device base, the control box is welded above the support column, the driving motor is fixedly arranged in the control box, and the second circular ring is connected with the dust filtering net. A rotating rod is connected to one side of the driving motor, and a rotating disc is welded to the outer side of the rotating rod. According to the dust falling device for municipal engineering construction, the interior of a round box communicates with the interiors of a first supporting rod and a second supporting rod, under the rotation effect of vortex blades in the round box, water in a water tank can enter the positions above dust filtering nets in a first circular ring and a second circular ring through mounting communication blocks, and water flow can continuously flow abov