▎ 摘　　要

NOVELTY - The utility model claims a preparation method of graphene device, the device comprises a mixture of the carbonaceous raw material and organic solvent first dipping device for dipping and second dipping device and reaction device and oxidizer adding device, wherein first dipping device and the second dipping device is joint with the reaction device for dipping the carbonaceous raw material and organic solvent input to the reaction device, oxidant adding device and reaction device is connected, for adding an oxidizing agent to the reaction device in. The utility model can make the first dipping device and the second dipping device to work continuously, continuously dipping the carbonaceous raw material and organic solvent fed in the reaction device, and it realizes continuous work of the reaction device can reduce acting force between molecules of the carbonaceous raw material and increase the interlayer distance of the carbon material, which is convenient for subsequent separation of graphene, greatly improves the yield of the graphene, and ensures the quality of the graphene, and the cost is low.