▎ 摘　　要

NOVELTY - The utility model claims a graphene air filter, comprising a shell with an opening; the shell is provided with a cover covered on the opening; the inner cavity formed by the shell and the cover is provided with filtering particles capable of filtering air; the cover is provided with an inlet cavity and an outlet cavity capable of communicating with the inner cavity; the inlet cavity and the outlet cavity are provided with graphene filter cotton; the inlet cavity is connected with an inlet joint; the outlet cavity is connected with an outlet joint; the graphene air filter is connected to the air supply pipeline through the inlet joint 5 and the outlet joint 6; wherein the inlet joint 5 is connected with the air supply device end; the outlet joint 6 is connected with the respiratory end of the patient; in the process of inhalation and exhaling, gas flows through the graphene air filter; the respectively is filtered by graphene filter cotton, filter particles and graphene filter cotton; quickly absorbing CO2, filtering the bacteria and virus, so as to prevent bacterial virus from spreading.