▎ 摘　　要

NOVELTY - The utility model claims a device for preparing multi-layer graphene, comprising a container, the container inside is set upper rotating wheel and the lower wheel, upper rotating wheel and the lower rotating wheel between a gap is provided. upper rotating wheel connected with the driving component, lower rotating wheel connected with the hollow conduit axis, centre hole of the conduit shaft runs through the lower runner, and the conduit axis coincides with the rotating centre of the rotating wheel. one side of the upper rotating wheel and the lower rotating wheel is provided with a reversing mechanism, the input portion of the inverting mechanism matched with the upper wheel, the output part of the reversing mechanism matched with the lower rotating wheel, reversing mechanism such that the rotation direction of the lower rotating wheel and the rotating wheel is opposite. The utility model structure and preparation process are simple.