▎ 摘　　要

NOVELTY - The utility model claims a graphene production device, comprising an annular reactor main body, wherein the annular reactor main body is provided with an air inlet, multiple collecting port and a temperature control device; the annular reactor main body is connected with multiple metal grid structure, the multiple metal grid structure at intervals in the annular reactor main body, and the arranged direction of the metal grid structure is vertical the flowing direction of the gas in the annular reactor main body. This utility model through the annular reactor main body is provided with a plurality of metal grid structure, the multiple metal grid structure can be catalytic to graphene containing carbon-based gas, so as to improve the conversion efficiency of the graphene.