▎ 摘　　要

NOVELTY - The utility model claims a device for preparing graphene for lubricating oil, comprising a reaction kettle and a stirring reaction kettle is provided with a reaction chamber, the stirring mechanism comprises a motor and a stirring rod, the stirring rod extends into the reaction chamber, the reaction kettle is provided with a reaction chamber of the vacuum injection pipe and the base oil feeding pipe, vacuum injection pipe is set on one side of graphene graphene inlet, inlet is set above the graphene dispersion; the stirring rod is provided with multiple stirring blades; the stirring blade is equipped with an electric heating pipe; the reaction chamber is provided with a discharge door, the discharge door is provided with filtering device, the filtering device is connected to one side of a distiller, the reaction chamber is provided with an ultrasonic vibrator. The utility model adopts multi-layer separation process to reduce the agglomeration force of the graphene, the graphene can be fully combined with the base oil, so as to ensure the lubricating oil has excellent lubricating performance.