▎ 摘　　要

NOVELTY - The utility model claims a graphene production device, especially claims a graphene bulking device. the graphene puffing device, comprising orderly connected feeding system, expanding system and offline collection system, wherein the feeding system comprises a top end connected with the feeding of the spiral feeder; expanding system comprises a furnace body mounted on the furnace bracket, rotary furnace tube is penetrated in the furnace body, furnace body is provided with a covering rotary furnace tube of heating system, offline collection system includes a collector, outlet of the spiral feeder is connected with the inlet of the rotary furnace tube; the inlet of outlet collector joint of rotary furnace tube. The utility model has simple structure, stable operation, reasonable design, it not only solves the material collection problem in the bulking process, high collecting efficiency, and it is suitable for high temperature process and is suitable for mass production.