▎ 摘　　要

NOVELTY - The device has reaction container which is provided in reaction chamber. An air inlet and an air outlet are provided in upper portion of reaction container respectively. A reaction material feeding portion is connected with the reaction chamber. A screen is provided in main portion, and is made of metal. A graphite collector is provided in the reaction chamber. The graphite collector is made of nickel foil, aluminum foil, or copper foil. USE - Device for preparing graphene. ADVANTAGE - The high-quality graphene can be prepared efficiently and quickly.