▎ 摘　　要

NOVELTY - The utility model relates to the technical field of tobacco, specifically relates to a cured tobacco curing barn, especially relates to a natural fragrance curing barn based on graphene comprising a curing barn main body, the bottom of the curing barn main body is provided with a base, and the bottom of the curing barn main body is provided with a heating device composed of graphene electric heating plate array, the upper surface of the heating device is provided with an iron wire net or a pore plate, the upper surface of the curing barn main body is provided with a dehumidifying device, the top part of the dehumidifying device is provided with an arc top cover, the arc top cover is provided with a 180w exhaust fan and a return air passage, the return air passage set above the exhaust fan is provided with a cold air inlet door, the return air passage is connected with the curing barn main body top part and the bottom, the top part of the arc top cover is provided with a rain shed, the barn main body is provided with a temperature sensor and a humidity sensor, a temperature sensor, a humidity sensor, the heat supply device and the cold air inlet door are connected with the external controller, the temperature sensor, the humidity sensor, the heat supply device and the cold air inlet door and the controller are supplied by the external power supply.