Spray drying device for microcrystalline cellulose

The utility model discloses a spray drying device for microcrystalline cellulose, which belongs to the technical field of microcrystalline cellulose and comprises a liquid injection pipe, an atomizing nozzle is arranged at one end of the liquid injection pipe, and a plurality of mounting pipes are arranged on the outer side of the atomizing nozzle. A heating pipe is arranged in the mounting pipe and close to one side of the atomizing nozzle; a rotating mechanism for rotating the mounting pipe is arranged on the outer side of one end of the liquid injection pipe; and a limiting mechanism used for limiting the heating pipe is arranged in the mounting pipe, the rotating mechanism comprises a rotating pipe, the rotating pipe is arranged on the outer side of the liquid injection pipe in a sleeving mode and is in threaded connection with the liquid injection pipe, and one end of the rotating pipe is rotationally connected with a sliding pipe. Through the arrangement of the rotating mechanism, the multiple heating p