▎ 摘　　要

NOVELTY - The utility model model belongs to the technical field graphene production, relating to a vertical furnace for preparation graphite, wherein it comprises a base, the top of the base is fixedly connected with a vertical furnace main body and box, the top part of the vertical furnace main body is fixedly connected with an air exhaust fan, the top of the air exhaust fan is fixedly connected with an exhaust pipe, the other side of the exhaust pipe passes through the hot water and box located in the hot water box The beneficial effects are as follows: the vertical furnace for preparation graphite, by setting the heat exchange tube and hot water box the heat exchange tube can cool and heat exchange the heat of the tail gas and the water in the hot water box so as to primarily cool the tail gas, at the same time, it can use the heat resource, avoiding heat resource waste, by setting a water pump and a spray pipe, the water pump works to convey the water in the clear water box the water spraying pipe, then spraying the spray head of the water spraying pipe to the dust removing box so as to remove dust for the temperature entering the dust removing box at the same time, the tail gas is cooled again.