Desulfurizing tower gas flow distribution device and method with gas purification effect

The invention belongs to the technical field of flue gas desulfurization, and particularly relates to a desulfurization tower gas flow distribution device and method with a gas purification effect, the device comprises a tower body and a gas inlet pipe, a rotating motor is fixed on one side of the tower body, an output shaft of the rotating motor is connected with a horizontal rotating shaft, and the horizontal rotating shaft is located in the gas inlet pipe and provided with a gas inlet spiral blade and a particle capturing system; a particle collector is installed below the particle capturing system, a vertical rotating shaft, an air uniformizing plate, a rotating sleeve, lifting assemblies, a material box, a liquid guide pipe, a rotating joint and spraying pipes are installed in the tower body, the liquid guide pipe is located above each layer of lifting assembly and is provided with a plurality of spraying pipes, and atomizing nozzles are evenly distributed below the spraying pipes. The air inlet spiral b