▎ 摘　　要

NOVELTY - The utility model claims a device for preparing a graphene composite, it comprises a shell, a reaction chamber, a spray gun, a temperature control module, a reaction gas delivery module, a reaction vessel, the reaction chamber is the inner cavity of said device; left side of the spray gun from the housing outer wall penetrates to the interior of the reaction chamber, a spray gun is provided with a flow valve, said temperature control module comprises a temperature adjusting button and a heating pipe, the temperature adjusting button is set on the shell left outer wall part, the heating pipe at the top of the reaction chamber, the reaction gas conveying module comprises a carrier gas conveying pipe; the carbon source gas conveying pipe, an adding component conveying pipe, the carrier gas conveying pipe, the carbon source gas conveying pipe, an adding component conveying pipe are orderly arranged on the shell right side outer wall from up to down, and is inserted to the reaction chamber; the reaction vessel in the reaction chamber on the bottom. The utility model can prepare sheet size up to hundreds of microns grapheme composite, it can realize batch preparation, simple operation and low cost.