Arsenic removal device and method for treating waste acid stock solution with ozone

The invention relates to the technical field of waste liquid treatment devices, and particularly discloses an arsenic removal device and method for ozone treatment of a waste acid stock solution, the device comprises a reaction kettle, an inflation device and a deflation device, and the reaction kettle is provided with an inlet and an outlet; a stirring structure is arranged in the reaction kettle and comprises a power source, a rotating shaft, a first gear and a second gear, the first gear and the second gear are coaxially connected with the rotating shaft, and the diameter of the first gear is larger than that of the second gear; a connecting rod is arranged at the lower part of the rotating shaft; two ends of the connecting rod are rotationally connected with the rotating shaft and the connecting block respectively; the third gear and the fourth gear are rotationally connected with the connecting block and are coaxial, the diameter of the third gear is smaller than that of the fourth gear, and the stirring