Wind separation and classification equipment for tobacco leaves and the like

摘要

A wind separation and classification equipment for tobacco leaves and the like. It has a vertically cylindrical shell defining a separation chamber (1) therein, a supply cylinder (2) accommodated in the vertically cylindrical shell, a rotary shaft (4) rotatably mounted on the top portion of the cylindrical shell, a dispersion board (8) mounted on the lower end portion of the rotary shaft, a discharge cylinder (7) mounted on the bottom of the cylindrical shell, a ventilation member (18) provided on the lower portion of the separation chamber and a plurality of secondary air intakes provided at the lower portion on the cylindrical shell. The lower end portion of the supply cylinder is expanded in an abacus shape. There are defined a separation area, an acceleration area and a drop area in the sequential order from the top in the separation chamber.