Phosphorus-free polymer scale inhibitor adding device

The utility model discloses a non-phosphorus polymer scale inhibitor feeding device which comprises a feeding barrel, a dustproof mechanism is arranged on the upper side of the feeding barrel, and a discharging mechanism is installed on the lower side of the feeding barrel; the output end of the driving motor is provided with stirring blades, and the stirring blades are symmetrically distributed in the feeding barrel up and down. The dustproof mechanism comprises a cover plate, a handle, a magnetic plate and an iron plate, the cover plate is rotationally connected to the upper side of the throwing barrel, and the handle with the longitudinal section of an E-shaped structure is fixed to the front side of the upper portion of the cover plate; a magnetic plate is embedded in the rear side of the upper portion of the cover plate, and the rear side of the magnetic plate is magnetically connected with an iron plate fixed to the throwing barrel. According to the non-phosphorus polymer scale inhibitor adding device,