Flue gas desulfurization device for copper smelting

The utility model discloses a flue gas desulfurization device for copper smelting, which comprises a fixed seat, a purification mechanism and a desulfurization mechanism, the top of the fixed seat is fixedly connected with the purification mechanism, and the right side of the purification mechanism is fixedly connected with the desulfurization mechanism; the desulfurization mechanism comprises a first air pump and a return pipe, a pipe outlet of the first air pump is fixedly connected with a first fixed pipe, the interior of the first fixed pipe is movably connected with a first electric control valve, the right side of the first fixed pipe is fixedly connected with an air injection disc, and the outer wall of the air injection disc is fixedly connected with a desulfurization box; the top of the desulfurization box is fixedly connected with a driving motor, an output shaft of the driving motor is fixedly connected with a rotating shaft, the top of the desulfurization box is fixedly connected with a gas detect