Acid liquor washing absorption tower for waste gas treatment

The utility model relates to the technical field of waste gas treatment, in particular to an acid liquor washing absorption tower for waste gas treatment, which comprises an acid pickling tower, a water tank, a pH value measuring point and a conductivity meter measuring point, and a third spraying layer 5, a second spraying layer, a first spraying layer and a tray are sequentially arranged in an inner cavity of the acid pickling tower from top to bottom. An absorbent is arranged at the bottom of the inner cavity of the pickling tower; the first spraying layer, the second spraying layer and the third spraying layer are controlled by a pickling tower circulating pump; a flue gas inlet is formed between the tray and the liquid level of the absorbent, and adopts an inclined interface; the pickling tower is connected with the water tank, the bottom of the pickling tower is provided with a tower and water tank interface, and the tower and water tank interface is provided with a corrosion-resistant filter screen; al