Desulfurization device and solid waste fly ash treatment equipment

The utility model relates to the technical field of desulfurization devices, in particular to a desulfurization device and solid waste fly ash treatment equipment, which comprises a desulfurization tower, the surface of the desulfurization tower is connected with a desulfurization tower gas inlet pipe and a desulfurization tower gas outlet pipe, the other end of the desulfurization tower gas outlet pipe is connected with a chimney, and the other end of the desulfurization tower gas inlet pipe is connected with a gas conveying pipe. A spiral heat exchange pipe is connected between the desulfurizing tower gas inlet pipe and the gas conveying pipe, the spiral heat exchange pipe is inserted into a chimney, fan blades are arranged at the bottom end of the chimney, and a supercharger is connected between the dust remover exhaust pipe and the gas conveying pipe; the device has the beneficial effects that the spiral heat exchange pipe penetrating through the interior of the chimney from bottom to top is arranged in t