Wet desulfurizer

The invention relates to the technical field of waste gas purification, in particular to a wet desulfurizer which comprises a desulfurizing tower, a gas inlet pipeline, a gas outlet pipeline and a spraying device, the gas inlet pipeline is fixedly connected with the desulfurizing tower, the gas outlet pipeline is fixedly connected with the desulfurizing tower, and the spraying device comprises a fixing frame, a moving seat, a pesticide storage box, a spraying pipeline, a spraying head, a moving assembly and a rotating assembly. The fixed frame is fixedly connected with the desulfurizing tower, the movable seat is slidably connected with the fixed frame, the pesticide storage box is rotatably connected with the movable seat through the rotating assembly, the spraying pipeline is fixedly connected with the pesticide storage box, the spraying head is fixedly connected with the spraying pipeline, and the movable seat is controlled to transversely move in the movable seat through work of the movable assembly, so t