▎ 摘　　要

NOVELTY - The utility model claims a large diameter graphene oxide solution production device, comprising a device main body, the device main body is provided with a liquid storage part for storing the graphene oxide solution, the liquid storage part is provided with a filter port, the filter port is provided with a filter part, the filtering part for filtering the graphene oxide solution in the liquid storage part and filtering the small diameter graphene oxide in the graphene oxide solution. using a large-diameter graphene oxide solution production device, filtering the small-diameter graphene oxide from the graphene oxide solution by the filtering operation of the filtering part, so as to obtain the large-diameter graphene oxide solution.