▎ 摘　　要

NOVELTY - The utility model claims a pre-dispersing device for graphene a first pre-dispersing structure and a second pre-dispersing structure set in the pre-dispersing tank, the inner wall of the pre-dispersing tank is provided with a clapboard, the clapboard divides the inner cavity of the pre-dispersing tank into the first dispersing cavity of the upper half part and the second dispersing cavity of the lower half part, the first pre-dispersing structure and the second pre-dispersing structure are respectively located in the first dispersing cavity and the second dispersing cavity; the first pre-dispersing structure comprises a grinding cylinder, a grinding body and a transmission component connected with the grinding body in transmission; the second pre-dispersing structure comprises a rotating shaft, a crushing frame connected to the periphery of the rotating shaft and a crushing plate set at the bottom end of the rotating shaft; The grinding body is set to be round table-shaped matched with the grinding cylinder. The pre-dispersing device of the graphene, which can pre-disperse the graphene material for two times, with high dispersion degree.