| 摘要 |
PROBLEM TO BE SOLVED: To provide an air screening device capable of reducing the equipment cost of a tea making line while eliminating a circuitous route of tea leaves in the case when screening is unnecessary. SOLUTION: A main body 10, a bucket conveyor 15, a fan 1, the first discharge port 4 for discharging a stem part of the tea leaf, the second discharge port 5 for discharging a leaf part of the tea leaf, a vibration conveyor 12 for the stem part for transporting the stem part, a vibration conveyor 6 for the leaf part for transporting the leaf part and a chute 8 switchable so as to conduct the tea leaf discharged from the second discharge port 5 to the vibration conveyor 6 for the leaf part by disposing its one end at the vibration conveyor 6 for the leaf part and disposing the other end at the second discharge port 5 and so as to conduct the tea leaf discharged from the second discharge port 5 to the vibration conveyor 6 for the leaf part by disposing the other end at the first discharge port 4 by rocking around the one end are provided, and the vibration conveyor 12 for the stem part is disposed at the outside of the rocking range of the chute 8.
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