Zero-discharge electroplating sewage circulating treatment system

The invention discloses a zero-discharge electroplating sewage circulating treatment system, which comprises a reaction tank and a confluence tank, a support arm is arranged on the inner wall of the reaction tank, an overflow plate is arranged at the bottom of the support arm, the confluence tank is arranged at the end part of the overflow plate, a guide plate is arranged on one side of the confluence tank, and the side of the guide plate is communicated with a liquid discharge pipe; the device is characterized by further comprising a driving motor arranged at the top of the supporting arm, and a rotating gear is arranged at the bottom of the driving motor. According to the zero-discharge electroplating sewage circulating treatment system, the flow guide groove and the liquid outlets are formed in the mixing main shaft, so that subsequent sewage treatment chemicals can conveniently flow out through the flow guide groove and the liquid outlets, and a plurality of liquid outlets and stirring shafts are arranged