Electrolytic oxidation pretreatment device for high-concentration degradation-resistant organic wastewater

The utility model discloses an electrolytic oxidation pretreatment device for high-concentration degradation-resistant organic wastewater, which is characterized in that a primary electrolytic bath and a secondary electrolytic bath are arranged in parallel inside a shell, and primary electrolytic bath polar plates for externally connecting a power supply are arranged on two sides inside the primary electrolytic bath; an upper-layer aeration pipe connector and a lower-layer aeration pipe connector are arranged at the top end of one side of the primary electrolytic cell, the upper-layer aeration pipe connector and the lower-layer aeration pipe connector are symmetrically arranged on the surface of the primary electrolytic cell, and the primary electrolytic cell is filled with catalyst filler; secondary electrolytic cell polar plates used for being externally connected with a power supply are arranged on the two sides of the interior of the secondary electrolytic cell, and a secondary electrolytic cell aerator p