▎ 摘　　要

NOVELTY - The utility model claims a furnace tube and graphene preparation rotary furnace relates to graphene production device technology field, furnace tube claimed by the utility model comprises a pipe body and a spiral baffle inner pipe wall of the pipe body, and the spiral baffle and the tube body is formed between the spiral channel to make the material flow, tube body is provided with a feeding pipe and a discharging pipe, the feeding pipe is used for discharging the material to the spiral channel, a discharge pipe for the discharge material in the spiral channel. furnace tube claimed by the utility model has a spiral channel for guiding the material, taking the rotary furnace tube to realize the material, it does not need the furnace pipe is inclined, the process will not be influenced by material density, the taking effect is good.