▎ 摘　　要

NOVELTY - Efficient L-type graphene device comprises a copper tube (1) arranged on inner wall, an induction coil (2) arranged on the copper tube, a high-frequency induction heating device (3) connected with the induction coil, multiple nickel-iron-chromium alloy trays (4), and multiple metal porous boards (5). The right side and the top of the reaction device are respectively provided with an air inlet (6) and an air outlet (7). USE - Efficient L-type graphene device. ADVANTAGE - The efficient L-type graphene device has simple structure, L-shaped reaction device, and improved utilization of reaction gas and increased production of graphene. DETAILED DESCRIPTION - Efficient L-type graphene device comprises a copper tube (1) arranged on inner wall, an induction coil (2) arranged on the copper tube, a high-frequency induction heating device (3) connected with the induction coil, multiple nickel-iron-chromium alloy trays (4), and multiple metal porous boards (5). The right side and the top of the reaction device are respectively provided with an air inlet (6) and an air outlet (7). The air inlet pipe is connected with the air outlet by a screw thread, where the multiple fan nozzles are arranged on the air inlet pipe. The left side of the reaction device is provided with suction valve. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic view of the efficient L-type graphene device. Copper tube (1) Induction coil (2) High-frequency induction heating device (3) Nickel-iron-chromium alloy trays (4) Metal porous boards (5) Air inlet (6) Air outlet (7)