▎ 摘　　要

(CN213454250-U) NOVELTY - A phase change energy storage graphene carbon nano-tube multiple circulation heating device, comprising an electric water heater and an electric heating furnace integrated outer shell, an insulating isolation layer, a liner shell, flat planar heating body, graphene carbon nano heating pipe, heating pipe fixing upper and lower cover plate, liner shell upper and lower cover plate, a silica gel sealing pad; a temperature sensor, a heat exchange coil, a graphene carbon nano heating tube protective shell, a phase change energy storage medium, and a circuit control system and so on, using phase change heat storage energy storage medium from solid to liquid transition process of heat storage energy storage characteristic, realizing the night electric energy storage for daytime release. the phase change energy storage electric water heater and electric heating furnace integrated machine, provided with independent electric heating furnace and electric water heater cold water inlet and hot water outlet, through the heat exchange coil set in the phase change energy storage medium, graphene carbon nano heating pipe to form a double-system heating device; It forms a preheating and circular heating hot water supply and heating water passage.