▎ 摘　　要

NOVELTY - The utility model claims a graphene microwave preparation device, comprising: a feeding part; a feeding pipeline, which is connected with the feeding part; a reaction cavity main body, the discharging end of the feeding pipeline extends into the reaction cavity; at least one microwave generator, which is used for providing microwave to the reaction cavity main body, for heating the reaction cavity main body; a first rotary connecting component, which is connected with the reaction cavity main body and a feeding pipeline; negative pressure structure, it has a negative pressure channel, one end of the negative pressure channel is connected with the reaction cavity main body; a second rotary connecting component, which is connected with the reaction cavity main body and the negative pressure channel; a rotating power part, which is used for providing rotating power to the first rotating connecting component; the reaction cavity main body is rotated relative to the feeding pipeline and the negative pressure channel; and it material discharging pipe connected with the other end of the negative pressure channel. The utility model is capable of using microwave method to rotate and heat the heated material, the heating uniformity is good, and the material can fully mix the reaction in the rotating process, improving the graphene preparation efficiency.