The utility model discloses an automatic dosing device for
sewage treatment, which comprises a
medicine mixing tank, one side of the top wall of the
medicine mixing tank is provided with a dosing port, the middle of the upper surface of the
medicine mixing tank is fixedly provided with a motor, the output end of the bottom of the motor is provided with a stirring
assembly, the stirring
assembly is positioned in the medicine mixing tank, the bottom wall of the medicine mixing tank is fixedly connected with a medicine
discharge pipe, and the medicine
discharge pipe is fixedly connected with the bottom of the medicine mixing tank. The bottom end of the
pesticide discharging
pipe is rotationally connected with a pipe sleeve through a sealing bearing, a bent pipe is fixed to the bottom end of the pipe sleeve, and the other end of the bent pipe is connected with a plurality of
pesticide spraying assemblies which can be spliced. According to the chemical mixing device, the chemical mixing tank, the motor, the stirring
assembly, the chemical discharging pipe, the bent pipe, the chemical spraying assembly and the air inflation assembly are arranged, water is added after
solid and liquid chemicals are added into the chemical mixing tank, the stirring assembly is driven by the motor to mix the chemicals, the chemicals are dissolved in the water, follow-up
sewage treatment is facilitated, air is inflated into the water through the air inflation assembly in the process, and the chemical
mixing effect is improved. The water and the medicament are continuously rolled during mixing, so that the stirring and mixing efficiency is improved.