▎ 摘　　要

NOVELTY - The utility model claims a graphene processing device technology field, specifically claims a high-efficiency graphene lubricating oil heating device, comprising a heating tank, the inner wall of the heating tank is provided with a ceramic liner; the bottom surface is provided with a discharging port connected with the inner part, the top part is provided with a cover plate; the cover plate is provided with two conduits extending to the interior of the heating tank; two conduits are respectively defined as a graphene conduit; the lubricating oil conduit, the heating tank circumferential surface is provided with a pressure relief opening connected with the interior thereof; the pressure relief opening is provided with a pressure release mechanism. The beneficial effects of the utility model are as follows: the inner wall of the heating tank is provided with a ceramic liner; the heat preservation performance of the ceramic liner is used, so that the heat transfer and heat transfer phenomenon of the heating tank and the outside is reduced to a certain extent, so as to improve the heating efficiency of the heating device.