Pneumatic spiral desulfurization tower

The utility model provides a pneumatic spiral desulfurizing tower. The tower comprises a tower body and a circulation loop system, the tower body is provided with a gas inlet and a gas outlet; the circulation loop system is used for conveying solid-liquid mixed slurry in the tower body from the lower part of the tower body to the upper part of the tower body; wherein the circulating loop system comprises a liquid inlet formed in the upper part of the tower body, a liquid outlet formed in the side wall of the bottom of the desulfurization tower and a circulating pump arranged on a connecting pipeline between the liquid inlet and the liquid outlet, a stirring device is arranged at the bottom of the tower body, the air inlet is positioned above the air outlet, and the air inlet is formed in the top of the tower body. The utility model discloses a pneumatic spiral desulfurizing tower. The gas inlet is oppositely formed above the gas outlet, and the liquid inlet is oppositely formed above the liquid outlet, so tha