Processing method of flat black tea
A technology of flat black tea and processing method, which is applied in tea treatment before extraction, etc., can solve the problems of unsatisfactory appearance and quality of flat black tea, affect the market competitiveness of flat black tea, affect the nutritional value of black tea, etc., achieve low tea production cost, Not easy to qualitative change, not easy to deform the effect
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Embodiment 1
[0030] Step 1: Material selection
[0031] Choose fresh leaves from one bud and one leaf to one bud and one leaf.
[0032] Step 2: Wither once
[0033] First, preheat each part of the hot air withering tank until the temperature of each part is 31 ° C, keep the thickness of the spread leaves at 8 cm, and then firstly use 1800 m 2 The air volume per hour blows in cold air with a temperature of 11°C until the surface of the fresh leaves is dried, and then 2000m 2 The air volume per hour blows hot air with a temperature of 31°C, and converts the hot air into cold air 30 minutes before the material is discharged, and the moisture content of the tea leaves at the outlet is 58%; the blast is intermittent, and each blast works for 1 hour Then stop working for 25 minutes, and shake the tea leaves once every time you stop working.
[0034] Step 3: Flatten
[0035] Preheat the flat tea frying machine to a temperature of 68°C, then put the withered tea leaves into strips for 5 minute...
Embodiment 2
[0043] Step 1: Material Selection
[0044] Choose fresh leaves from one bud and one leaf to one bud and one leaf.
[0045] Step 2: Wither once
[0046] First, preheat each part of the hot air withering tank until the temperature of each part is 30 °C, keep the thickness of the spread leaves at 20 cm, and then use 1700 m 2 The air volume per hour blows in cold air with a temperature of 10°C until the surface of the fresh leaves is dried, and then the water is blown at 1800m 2 The air volume per hour blows hot air with a temperature of 30°C, and converts the hot air into cold air 30 minutes before the material is discharged, and the moisture content of the exported tea leaves is 59%; the blast is intermittent, and each blast works for 1 hour Then stop working for 25 minutes, and shake the tea leaves once every time you stop working.
[0047] Step 3: Flatten
[0048] Preheat the flat tea frying machine to a temperature of 70°C, then put the withered tea leaves into strips for...
Embodiment 3
[0056] Step 1: Material selection
[0057] Choose fresh leaves from one bud and one leaf to one bud and one leaf.
[0058] Step 2: Wither once
[0059] First, preheat each part of the hot air withering tank until the temperature of each part is 34 ° C, and keep the thickness of the spread leaves at 21 cm, and then firstly use 1600 m 2 The air volume per hour blows in cold air with a temperature of 14°C until the moisture on the surface of the fresh leaves is dried, and then the water is blown at 1600m 2 The air volume per hour blows hot air with a temperature of 34°C, and converts the hot air into cold air 30 minutes before the material is discharged, and the moisture content of the tea leaves at the outlet is 60%; the blast is intermittent, and each blast works for 1 hour Then stop working for 25 minutes, and shake the tea leaves once every time you stop working.
[0060] Step 3: Flatten
[0061] Preheat the flat tea frying machine to a temperature of 66°C, then put the wit...
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