▎ 摘　　要

NOVELTY - A device has reaction device having a tubular reactor. The tubular reactor has multiple and same structure. The tubular reactor is connected in series through a pipeline. The tubular reaction device comprises a copper tube arranged on the inner wall of reaction device and induction coil arranged on the copper tube. The induction coil is connected with a high-frequency induction heating device, nickel-chromium-iron alloy pellets and metal porous plates. The upper and lower ends of tubular reactor are provided with an air inlet and an air outlet. USE - The device is useful for preparing graphene by silicon carbide epitaxial growth. ADVANTAGE - The device has simple structure and high efficiency, and provides prepared graphene with excellent utilization rate and yield. DETAILED DESCRIPTION - A device has reaction device having a tubular reactor. The tubular reactor has multiple and same structure. The tubular reactor is connected in series through a pipeline. The tubular reaction device comprises a copper tube arranged on the inner wall of reaction device and induction coil arranged on the copper tube. The induction coil is connected with a high-frequency induction heating device, nickel-chromium-iron alloy pellets and metal porous plates. The upper and lower ends of tubular reactor are provided with an air inlet and an air outlet. The left side of the reaction device is provided with an air valve.