▎ 摘　　要

NOVELTY - Graphene magnetic composite wave-absorbing material comprises tank body (1), heating component (2), connected with the tank body, stirring component (3), set in the tank (1) and rotatably connected to the tank, pressurizing component (4) connected with tank body and used for pressurization inside the tank. Energy recovery component (5) is connected with heating component and used to recover heat energy emitted by heating component. A pre-mixing component (6) includes mixing bottle (61) movably connected between the tank and second stirring component set in mixing bottle. The mixing bottle is provided with multiple containing material cavities (611) for containing raw materials. USE - Device for preparing graphene magnetic composite wave-absorbing corrugated material (claimed) used for heating, stirring, and sealing reaction. ADVANTAGE - The energy recycling component is capable of recycling redundant heat energy generated by the heating component, which improves utilization efficiency of energy. The device for preparing graphene magnetic composite wave-absorbing material has functions of heating, stirring, sealing reaction and so on, and quickly prepare graphene. The pre-mixing process of other group of raw material is also finished, after the reactant is generated completely, and preparation efficiency of product is effectively improved. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing a graphene magnetic composite absorbing corrugated material, which involves: (a) weighing ferric trichloride hexahydrate, polyvinylpyrrolidone, and ethylene glycol based on preset ratio, and mixing uniformly to obtain mixed solution A; (b) weighing nano iron powder and urea based on preset ratio, adding to the mixed solution A, and mixing uniformly to obtain the mixed solution B'; (c) weighing polyvinylpyrrolidone in a preset ratio, adding to mixed solution B', and mixing uniformly to obtain mixed solution C'; (d) weighing graphene based on preset ratio, adding to the mixed solution C', and mixing uniformly to obtain mixed solution D; (e) placing mixed solution D at a constant temperature of 150-300degrees Celsius, reacting at a constant pressure for 6-18 hours, and cooling reaction product to room temperature; and (f) washing the reaction product by centrifugation, and vacuum drying to obtain the final product. DESCRIPTION OF DRAWING(S) - The drawing shows schematic view of device for preparing graphene magnetic composite wave-absorbing material. Tank body (1) Heating component (2) Stirring component (3) Pressurizing component (4) Energy recovery component (5) Mixing bottle (61) Material cavities (611)