▎ 摘　　要

NOVELTY - The utility model belongs to the technical field of graphene oxide, especially a preparation device of graphene oxide, aiming at the existing graphene oxide preparation device structure is complex, at the same time, preparation process, need to use a plurality of production device to prepare the finished product of graphene oxide sheet, the preparation efficiency is low, leading to the problem of long preparation time; the following solution is provided, comprising a shell, one side of the shell is provided with a liquid injection port; the top part of the shell is fixedly connected with a storage tank; the storage tank is provided with a graphite powder; the bottom of the storage tank is fixedly connected with a feeding pipe; the bottom of the feeding pipe extends into the shell; the outer side of the feeding pipe is sleeved with a first electromagnetic valve; The utility model has simple operation, the preparation device main body has mixing, heating, filtering and drying functions, which greatly shortens the preparation time of preparing graphene oxide, improves the production efficiency, and has strong practicability.