Sewage treatment dosing device

The utility model relates to the technical field of dosing devices, in particular to a sewage treatment dosing device which comprises a dosing barrel and a discharging barrel, the interior of the dosing barrel is of a hollow structure, an opening is formed in the top of the dosing barrel, a baffle is arranged at the bottom of the dosing barrel, a through hole is formed in the middle of the baffle,and a notch of a fan-shaped structure is formed in the upper surface of the baffle. A discharging barrel is arranged at the position, close to the lower portion of the baffle, of the dosing barrel, the interior of the discharging barrel is of a hollow structure, a supporting plate is arranged at the bottom of the discharging barrel, second discharging holes are formed in the upper surface of thesupporting plate, an equipment barrel of an annular structure is arranged above the supporting plate, and the equipment barrel is embedded in the discharging barrel; a stirring rod is fixedly connected to the top end of an out