Recovery treatment device for dilute sulphuric acid in chlor-alkali industry

The utility model discloses a chlor-alkali industry dilute sulphuric acid recovery processing device which comprises a machine box, the top of the machine box is fixedly connected with a driving motor, an output shaft of the driving motor is fixedly connected with a threaded rod, and the surface of the threaded rod is sleeved with a threaded sleeve. Through cooperation of a driving motor, a threaded rod, a threaded sleeve, a limiting rod, a collecting box, a filter screen, a rotating motor, a worm, a worm gear, a rotating shaft and fan blades, the filter screen filters liquid, the filtered liquid in an inner cavity of the machine box is discharged through a discharging pipe, and an output shaft of the rotating motor drives the rotating shaft to rotate through the worm and the worm gear; the rotating shaft drives fan blades to rotate, airflow flows, so that the drying speed of solid impurities is increased, an output shaft of a driving motor drives a limiting rod to move through a threaded rod and a threaded s