Composite graphite electrode electrolytic redox device and method with self-cleaning function

The invention discloses a composite graphite electrode electrolytic redox device with a self-cleaning function, comprising a direct-current power system; the output end of the direct-current power system is provided with a slide rheostat; the output end of the slide rheostat is provided with a periodic reverse controller; the bottom of the periodic steering controller is provided with a top plate;the bottom of the top plate is provided with an electrolytic electrode; a graphene cell is embedded in the electrolytic electrode; an electrolytic bath is arranged in the bottom of the electrolytic electrode; electrolyte is arranged in the electrolytic bath; support rods are arranged on two sides of the electrolytic bath; a bottom plate is arranged at the bottom ends of the support rods. The periodic steering controller is used herein to carry out power-on, power-off, reverse to power-on and power-off cyclic operation on a working circuit; pH and electrical conductivity of electrolyte are adjusted; the electrode is e