Dry tobacco rib drying device

The utility model provides a dry tobacco rib drying device, and relates to a tobacco leaf drying device. A bearing frame is composed of an upright post and a cross rod; a thin film is arranged outside the bearing frame; and a tobacco drying cord is arranged in the bearing frame. The drying temperature is increased by 3 to 4 DEG C, the hold time of temperature in a drying chamber is prolonged, the relative humidity is reduced for 5 to 10 percent, and the utility model conforms to the temperature and humidity conditions required for modulating high-grade Maryland tobacco. The drying time can be shortened by 7 to 10 days; the loss of mucid tobacco is reduced for about 10 percent; the proportion of the superior and moderate tobacco is improved for about 10 percent; and the output value per mu of tobacco can be increased by over 180 Yuan/ mu. Meanwhile, the utility model has the advantages of energy conservation, land and space conservation, labor conservation, less investment, convenient production and remarkable