▎ 摘　　要

NOVELTY - This new utility model claims of one of preparing graphene with expand reaction device, comprising tank body and stirring device, the upper tank body with jacket, the jacket is set with the lower part set up with hot water or steam import, upper part is set with with hot water or steam outlet, the stirring device comprises motor and stirring shaft, the electric machine fixed on the tank body, the stirring shaft by motor set at middle part of the tank body. This new utility model can make graphite layer compound plugging and in reaction process and expand liquid full contact, thus to expand faster response speed, increase reacting sufficiency and reducing target and expand response time.