Tobacco block loosening subarea dampening system

The utility model discloses a tobacco block loosening subarea dampening system comprising a vertical splitting machine, a conveying belt, a natural loosening splitting machine, a vibration type warming dampening loosening machine and a subarea type polygonal dampening cylinder which are sequentially arranged. The natural loosening splitting machine comprises an annular upper bending leather belt, an annular lower bending leather belt and rotating rollers arranged at the inner part of the upper bending leather belt and the lower bending leather belt. The vibration type warming dampening loosening machine comprises a vibration slot body, a cover body and a humid airflow device, and a grid plate is arranged in the vibration slot body. The subarea type polygonal dampening cylinder sequentially comprises a loosening area, a dispersing area, a humidification dampening area and a charging area, and an independent spray nozzle with a different spray angle is installed on each area. With the adoption of the tobacco block loosening subarea dampening system, low temperature dampening of tobacco sheets can be realized, tobacco suction taste can be retained, chipping making is reduced, tobacco factory capacity can be improved, the cigarette quality can be improved at the same time, and the cigarette weight is reduced on the premise of maintaining set cigarette quality standard so as to reduce tobacco costs.