Medicament feeding device for raw water treatment

The utility model provides a medicament feeding device for raw water treatment, which comprises a feeding barrel, a primary mixing barrel, a liquid storage barrel, a medicament pump, a feeding pump, a raw material pump, the primary mixing barrel and the liquid storage barrel, the medicament pump is arranged on a fixing frame, the primary mixing barrel is fixed on the upper part of the fixing frame, the liquid storage barrel is positioned below the primary mixing barrel, the primary mixing barrel is communicated with the liquid storage barrel through a pipeline I, and the feeding pump is arranged on the feeding pump. A feeding pump and a raw material pump are installed below the liquid storage barrel, the bottom of the liquid storage barrel is connected with a second pipeline, the liquid storage barrel is connected with a feeding port of the feeding pump through the second pipeline, the feeding pump is communicated with the upper portion of the throwing barrel through a third pipeline, the feeding end of the r