Waste acid purification device

The utility model discloses a waste acid purification device which comprises a bottom plate, the top of the bottom plate is fixedly connected with a pair of first supporting plates, the tops of the pair of first supporting plates are fixedly connected with a filtering bin, the inner wall of the filtering bin is fixedly connected with a partition plate, the top of the filtering bin is fixedly connected with a first motor and a liquid inlet pipe, and the top of the first motor is fixedly connected with a second motor. An output shaft of the first motor penetrates through the top of the filtering bin, a plurality of stirring rods are fixedly connected to the output shaft of the first motor, a pair of liquid discharging pipes are fixedly connected to the bottom of the partition plate, electromagnetic valves are installed on the liquid discharging pipes, and a first filtering net and a second filtering net are arranged below the partition plate. The bottom of the first filter screen and the bottom of the second fi