▎ 摘　　要

NOVELTY - The utility model claims a graphene prepared by graphite expansion device, comprising a furnace body, a feed hopper, a discharge pipe and a bottom plate; the bottom plate is provided with a damping supporting leg, the damping support leg is provided with a wheel; the bottom plate is provided with a blower, the blower side is provided with a feeding pipe, the feeding pipe is provided with a feeding pipe, the feeding pipe is provided with a first electromagnetic valve, the feeding pipe is provided with the feeding hopper, the feeding hopper is provided with the furnace body. The beneficial effects are as follows: the utility model has high automation degree, the graphite can be quantitative swelling, and the swelling temperature is easy to adjust, the stirring shaft so that the graphite expansion of more uniform, improves the graphite expansion quality, brake wheel so that the device is convenient to move and fix, vibration damping support leg capable of reducing device in mobile and generated in the working process of the device so as to protect.