▎ 摘　　要

NOVELTY - Supercritical water explosion-proof heater relates to the technical field of electric heating. the heater comprises a junction box and an arc tube seat set on the upper surface and the lower surface of the medium conveying pipeline; the arc tube seat is provided with at least one layer of heating pipe through hole, the heating pipe through hole is respectively with a heating pipe to form a multilayer heating pipe heating layer; the power supply end of the heating pipe is connected with the junction box; the inner wall of the arc tube seat on the upper surface and the lower surface of the medium conveying pipeline is provided with a graphene heat conducting layer, the graphene heat conducting layer is extended to two sides to form a cylindrical structure which is held on the medium conveying pipeline. The utility model is set with graphene heat conducting layer extending towards two sides on the inner wall of the arc tube seat, and forms a cylindrical structure embracing on the medium conveying pipeline; the heat of the heating tube can quickly and uniformly wrap the whole medium conveying pipeline through the graphene heat conducting layer; the heating is uniform, the medium is conveyed stably.