▎ 摘　　要

NOVELTY - The utility model model relates to a graphene powder preparation comprising: machine seat control panel, dry device, a crushing device, a crushing device, a feeding hopper, a feeding device, a sealing device, a constant temperature furnace, heating device, a conveying pipe, a material receiving device, a control panel, a feeding hopper, a feeding device, a sealing device, a constant temperature furnace, heating tube. the discharging device is installed on the machine seat the leftover material of the oxidized graphite is orderly entered into a dry device, a crushing device, a feeding hopper, a feeding device, a sealing device, a constant temperature furnace, heating device, a conveying pipe, at last, feeding device, a constant temperature furnace, heating device, a conveying pipe, the material receiving device is internally provided with a protective gas. The utility model the graphene oxide film leftover material or waste material, changes waste into valuable, improves the utilization rate of the raw material, the device operation flow is simple, continuous production, low production cost, and high productivity is convenient for large-scale industrial production.