Boiler dust removal device

The utility model discloses a boiler dust removal device which comprises a supporting frame, an installation box is arranged in the supporting frame, an installation plate is fixedly arranged in the installation box, a containing cavity is formed by the installation box and the upper end of the installation plate, and a driving cavity is formed by the installation box and the lower end of the installation plate. According to the boiler dust removal device, the mode that the driving motor drives the driving shaft, the driving gear, the rotating gear, the driving rod and the pushing block is adopted, so that the pushing block moves horizontally, water in the containing cavity can be guided into the driving cavity through the circulating hole, the water in the driving cavity is driven, and the dust removal effect is improved. And water in the driving cavity is sprayed out through the nozzle after passing through the pressure increasing valve, so that the effects of spraying smoke discharged from the boiler and r