▎ 摘　　要

NOVELTY - The utility model belongs to the graphene production technology field, claims a device for graphene production, comprising a crushing device, weightlessness weighing box, an oxidation device, a shearing machine, an ultrasonic device, a reducing device, a drying device, a dust processing device, a waste gas processing device and a PLC control system, the crushing device is used for crushing the graphite to prepare graphite powder, the weightlessness weighing box is used for quantitatively feeding the graphite powder, the oxidation device is used for oxidizing the graphite powder into graphite oxide, the shearing machine is used for pre-dispersing the graphite oxide mixed solution, the ultrasonic device makes the oxidized graphite into graphene oxide, the reducing device reduces the graphene oxide into graphene. The beneficial effects of the utility model are as follows: The device controls the whole preparation process through the PLC control system, it can efficiently prepare graphene product, it is suitable for pipelining production of factory, and the structure of the device is simple, the stability is high, the preparation process safety environment-friendly.