Vacuum purification device for nicotinamide mononucleotide

The utility model provides a vacuum purification device for nicotinamide mononucleotide, which comprises a vacuum freeze dryer, a drying chamber is arranged in the vacuum freeze dryer, and a power source, a rotating shaft in transmission connection with the power source and a material tank sleeved on the rotating shaft are arranged in the drying chamber; an outlet is formed in the bottom of the material tank, a plurality of through holes are formed in a tank body of the material tank, a stopping block is arranged on one side of each through hole, an elastic telescopic piece is fixedly connected to each stopping block, and the other end of each elastic telescopic piece is fixedly connected to the tank body. The telescopic state of the elastic telescopic piece is changed so as to change whether the stop block stops the through hole or not. The nicotinamide mononucleotide drying device has the advantages that nicotinamide mononucleotide is dynamically subjected to vacuum drying, accumulation is avoided, and dryi