▎ 摘　　要

NOVELTY - The utility model relates to the graphene preparation technology field, especially relates to a device for heat-reduction-oxidation graphene. it comprises: a feeding unit for conveying the graphene oxide, provided with a front switch valve, a rotary kiln, comprising a furnace body is inclined, the furnace body is barrel-shaped, the front end of the furnace connected with the outlet of the feeding unit; the rear end part of the furnace body is covered with a heating device; a driving device for driving the rotary furnace to rotate; collecting unit comprises a collecting vessel, collecting the upper end of container is connected with a guide unit, the guide unit connected with the discharging port of the back end of the furnace body; the guide unit is connected with a cooling device for cooling the graphene; the upper end of the collecting container is connected with a guide pipe, the guide pipe is provided with a filter for filtering the graphene. by setting the inclination of the furnace body, a heating device set on the back end of the furnace body, so that the graphene oxide can realize fast heating, an air duct lead out gas reaction produced can end on the collecting container, to realize the continuous preparation of graphene.