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A processing method for tea leaf, which comprises the following steps: (a) selection: feeding the raw tea leaf into a sieve, which is revolving along a horizontal ring track, to sieve out smashed tea crumbs, smashed stems, pebbles, sands, iron dusts, dirt, etc.; (b) wind selection: introducing the sieved tea leaf into a wind selection device, through exhaust of the wind selection to generate negative pressure in the device, to sediment heavier normal tea leaf while removing lighter tea crumbs, grass crumbs, stem crumbs, dirt, etc. through the exhaust; (c) color selection: introducing the wind-selected tea leaf into a selection device to slide down along certain track while lighting the raw tea leaf to be selected, through receiving reflection light from the reflection plate by magic eye to detect out whether the lighted object is umber leaf or stem, ejecting the object off the slide track if it is determined to be umber leaf or stem by the magic eye in order to remove abnormal tea leaves.
TW83105435A1994-06-161994-06-16Processing method for tea leaf
TW247874B
(en)
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