Fecha de publicación: 30/03/2021 Fuente: Wipo Tobacco Agriculture The invention discloses a flue-cured tobacco seedling raising floating disc steam sterilization device and method, and belongs to the technical field of flue-cured tobacco seedling raising floating disc sterilization. According to the technical scheme, the flue-cured tobacco seedling raising floating disc steam sterilization device comprises a tobacco leaf curing barn and a steam conveying device,the steam conveying device comprises a steam generator arranged on the exterior of the tobacco leaf curing barn, a conveying pipeline system communicating with the airflow output end of the steam generator, and the conveying pipeline system communicates with the interior of the tobacco leaf curing barn and is arranged in the tobacco leaf curing barn; and the tobacco leaf curing barn further comprises a storage rack, a seedling raising floating disc arranged on the storage rack, and an airflow circulating device arranged in the tobacco leaf curing barn. According to the flue-cured tobacco seedling raising floating disc steam sterilization device and method, the problems that in the prior art, sterilization is not thorough, water resources are consumed, and agent residues influence flue-cured tobacco seedling emergence are solved, and floating disc sterilization treatment which is convenient, efficient and good in sterilization effect is achieved.