▎ 摘　　要

NOVELTY - A graphene preparing device comprises hollow shaft, furnace cover, blowing pipe, powder collector, furnace body, crucible and heater. The furnace body is provided with furnace cover to form sealed cavity. The crucible is provided with heater at periphery, crucible cover plate at top end, and gas current divider. The heater is connected with electrode. The left end of blowing pipe passes through the outer edge surface of furnace body connected with blowing gas source. The gas current divider is provided with air outlet holes and air inlet holes. The furnace cover is connected with air source. USE - Graphene preparing device. ADVANTAGE - The device has high production efficiency and low cost.