Gridding energy-saving automatic dosing system for wastewater treatment station

The utility model provides a gridding energy-saving automatic dosing system of a wastewater treatment station. The gridding energy-saving automatic dosing system comprises a drug storage tank, a dosing main pipe, a dosing pump, a plurality of dosing branch pipes, an electric valve and a pH controller, wherein a prepared liquid medicine is contained in the medicine storage tank, one end of the medicine adding main pipe is communicated with the water outlet end of the medicine storage tank, the other end of the medicine adding main pipe is communicated with the water inlet end of the medicine storage tank, and the medicine adding pump is arranged on the medicine adding main pipe and used for driving the liquid medicine in the medicine storage tank to circularly run in the medicine adding main pipe. Wherein the plurality of dosing branch pipes are arranged on the dosing main pipe in parallel, each dosing branch pipe is provided with an electric valve used for controlling the connection and disconnection of the d