High temperature resistant centrifugal fan of spiral case formula

The utility model discloses a high temperature resistant centrifugal fan of spiral case formula. Including spiral case and impeller, be provided with the dust -collecting bucket in the spiral case, air intake and air outlet have been offered respectively to the corresponding both sides of dust -collecting bucket, and the air outlet is connected with the play tuber pipe no. One, and an air -out union coupling has no. Two play tuber pipes of a plurality of, and the opening of every no. Two air -out outside of tubes end tip all moves towards inner wall of volute is provided with slewing mechanism in the dust -collecting bucket, slewing mechanism includes pivot, stirring rod and fan blade, and the while is in the water inlet has been offered to the side on the dust -collecting bucket, the water inlet through water conveying pipeline with set up play basin in the spiral case links to each other, be provided with the water valve in the water conveying pipeline. The utility model discloses a gasify the cooling water