Spray tower for rare earth ore acid-soluble tail gas treatment

The invention provides a spray tower for rare earth ore acid-soluble tail gas treatment, which comprises a multi-layer spliced tower body, and the side wall of the tower body is provided with a window; a spraying device is mounted in the tower body, the spraying device comprises a rotating structure and an opening and closing structure, and the outer ring of the rotating structure is closely arranged on the inner side of the window; the opening and closing structure rotates along with the rotating structure; the opening and closing structure realizes opening and closing movement through autorotation; a plurality of first nozzles rotating along with the rotating structure are mounted on the rotating structure; a plurality of second nozzles which are opened and closed along with the opening and closing structure are mounted on the opening and closing structure, the second nozzles are unfolded along with the adjustment of the opening and closing structure, and the second nozzles and the first nozzles form a spra