Phosphorus removal control system for sewage plant

The utility model discloses a dephosphorization control system for a sewage plant, which comprises a front-end acquisition module, a control cabinet and a dosing control cabinet, the output end of the front-end acquisition module is electrically connected with the input end of the control cabinet, and the output end of the control cabinet is electrically connected with the input end of the dosing control cabinet. A dosing pump in the dosing control cabinet is used for pumping the phosphorus removal agent in the dosing box into the secondary sedimentation tank, a driving motor is arranged on the dosing box, the power output end of the driving motor is connected with a rotating shaft, a plurality of stirring rods are arranged on the rotating shaft at equal intervals, and the section of each stirring rod is triangular. The phosphorus removal device has the advantages that the front-end collecting module collects effluent total phosphorus and inflow water flow and transmits signals to the control cabinet, the con