▎ 摘　　要

NOVELTY - The invention claims a graphene puffing device, comprising a first main board; a second main board and a feeding plate; the bottom of the first main board is provided with a second main board; the feeding plate is fixedly connected at the top end of the first main board, and is connected with the processing cavity; the first main board and the second main board between fixedly connected with processing cavity; the top end position of the first main board fixedly connected with vacuum pump; the outer end of the vacuum pump fixedly connected with fixedly connected with, the bottom of the second main board fixedly connected with connecting pipe the bottom of the cooling connecting pipe fixedly connected with the cooling pipe body. conveying the nitrogen in the processing cavity through the pipeline of two sides of the cooling connecting pipe finishing the puffing process; setting control valve structure in the processing cavity and the cooling pipe body; when using, sealing and opening the processing cavity inner space, which is good for the puffing operation of graphene; and the bottom of the control valve is provided with a sealing layer; when the control valve is closed, strengthening the sealing property of the processing cavity.