Energy-saving flue gas desulfurization tower

The utility model relates to the technical field of environment-friendly equipment, in particular to an energy-saving flue gas desulfurization tower which can effectively improve the desulfurization efficiency of flue gas, enhance the energy-saving effect of equipment, reduce the waste of desulfurization solution and reduce the use limitation. The device comprises a desulfurizing tower, a gas inlet pipe, a circulating water draining pipe, a circulating pump and a circulating water inlet pipe, a working cavity is formed in the desulfurizing tower, a base is arranged on the circumferential outerwall of the bottom end of the desulfurizing tower, four sets of supporting legs are arranged on the base, and a gas inlet in the left end and the right end of the gas inlet pipe of the desulfurizingtower are fixedly communicated with the gas inlet; the input end of the circulating drain pipe is fixedly communicated with the drain port, the output end of the circulating pump is communicated witha working cavity of the des