Flue gas desulfurization device

The utility model relates to a flue gas desulfurization device which comprises a body, a gas inlet and a gas outlet are formed in the outer wall of the body, a reaction layer is arranged in the body, a spray head is further arranged in the body, a mounting rod is vertically arranged on the outer wall of the body, and the body comprises a first fixing part, a second fixing part and a rotating part. The first fixing part and the second fixing part are both connected to the mounting rod, the rotating part is rotationally connected to the mounting rod and located between the first fixing part and the second fixing part, and when the reaction layer needs to be cleaned, the rotating part is pushed to drive the reaction layer to rotate, so that the reaction layer is staggered with the first fixing part and the second fixing part; therefore, the reaction layer is exposed to the outside. The device has the function of conveniently cleaning the reaction layer. 本申请涉及一种烟气脱硫装置，包括有本体，本体外壁分别设置有进气口和出气口，本体内部设置有反应层，本体内部还设置有喷头，