▎ 摘　　要

NOVELTY - Preparation of graphene involves mixing graphite and hydrogen peroxide to obtain graphite oxide, mixing graphite oxide with ammonium bicarbonate in preparation device, microwave reacting, washing and drying. The preparation device comprises cleaning outer frame, receiving mechanism, upper cover mechanism, lifting power mechanism, inlet blocking mechanism, discharge lifting mechanism, linkage mechanism, stirring mechanism and co-discharge mechanism. The receiving mechanism is slidably connected to cleaning outer frame, the upper cover mechanism is fixedly connected to the upper end of the cleaning outer frame, and the lifting power mechanism is connected on the upper cover mechanism. The lifting power mechanism is rotatably connected with the upper cover mechanism, and inlet blocking mechanism is slidably connected to cleaning outer frame and is rotatably connected with upper cover mechanism. The upper end of discharge lifting mechanism is connected to upper cover mechanism. USE - Preparation of graphene. ADVANTAGE - The preparation method is easy and produces product using preparation device with high washing efficiency. DETAILED DESCRIPTION - Preparation of graphene involves mixing graphite and hydrogen peroxide to obtain graphite oxide, mixing graphite oxide with ammonium bicarbonate in preparation device, microwave reacting, washing and drying. The preparation device comprises cleaning outer frame, receiving mechanism, upper cover mechanism, lifting power mechanism, inlet blocking mechanism, discharge lifting mechanism, linkage mechanism, stirring mechanism and co-discharge mechanism. The receiving mechanism is slidably connected in the cleaning outer frame, the upper cover mechanism is fixedly connected to the upper end of the cleaning outer frame, and the lifting power mechanism is connected on the upper cover mechanism. The lifting power mechanism is rotatably connected with the upper cover mechanism, and the inlet blocking mechanism is slidably connected to the cleaning outer frame and is rotatably connected with the upper cover mechanism. The upper end of the discharge lifting mechanism is fixedly connected to the upper cover mechanism, the linkage mechanism is rotatably connected to the upper cover mechanism and slidably connected with receiving mechanism, the linkage mechanism is in transmission connection with the lifting power mechanism, and the upper end of linkage mechanism is connected with the lower end of the discharge lifting mechanism. The stirring mechanism is slidably connected to the linkage mechanism and rotatably connected to the receiving mechanism, and the co-discharge mechanism is connected to the lower end of the cleaning outer frame, and the upper end of co-discharge mechanism is connected with the lower end of the linkage mechanism.