Tail gas treatment device for phosphogypsum preparation

The utility model discloses a tail gas treatment device for ardealite preparation, which belongs to the field of ardealite tail gas absorption equipment and comprises an absorption tower, a spraying assembly for providing spraying liquid drops is mounted in the absorption tower, and the spraying assembly is provided with a first gear fixedly connected to the inner wall of the absorption tower through a mounting frame. And a mounting cylinder is rotationally mounted on the axis of the first gear. A plurality of water distribution pipes are fixedly mounted in the radial direction of the mounting cylinder, the tail ends of the water distribution pipes are rotationally connected with rotating joints, second gears meshed with the first gears are fixedly mounted on the rotating joints, and spray pipes for spraying are fixedly mounted on rotating shafts of the second gears and extend in the radial direction of the mounting cylinder. According to the utility model, the rotatable spraying assembly is arranged in the t