▎ 摘 要
NOVELTY - The utility model relates to the technical field of drying device, especially a spray drying tower for graphene with blowing device, comprising a drying tower main body and a blowing device set at the top of the drying tower main body feeding port; the blowing device comprises a shell, an extensible umbrella column set in the shell and used for cleaning the inner wall, a chain wheel mechanism for driving the extensible umbrella column to move longitudinally and a driving motor for driving the extensible umbrella column to rotate; the mounting surface of the drying tower main body and the blowing device is provided with a sliding door capable of closing the feeding port; the outer wall of the drying tower main body is vertically provided with a visible window convenient for observing the internal cleaning condition, cleaning the inner wall of the drying tower by the foldable umbrella column; the blowing device is independent of the drying tower, and is assisted with the drying tower; at the same time of cleaning the material absorbed in the drying tower, the cleaning device can be independently cleaned and does not occupy the space in the drying tower.