▎ 摘 要
NOVELTY - A furnace device comprises spherical furnace body (1), air inlet (2), and air outlet (3). USE - Furnace device used for preparing graphene vapor. ADVANTAGE - The device produces high quality prepared graphene. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic diagram of furnace device. Furnace body (1) Air inlet (2) Air outlet (3)