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Black Tea, 100kg Leaf, 25kg Finished Tea, 6 Hours

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Quanzhou Deli Agroforestrial Machinery Co., Ltd.
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Black Tea, 100kg Leaf, 25kg Finished Tea, 6 Hours

How to process 100kg fresh leaves into 25kg finished black tea in 6 hours? This page recommends you a full set of black tea production equipment and use methods.

  • Raw tea leaf weight : 100kg
  • Dry tea leaf weight : 25kg
  • Step 1 : Withering
  • Step 2 : Rolling
  • Step 3 : Fermentation
  • Step 4 : Drying
  • Step 5 : Sorting
  • Step 6 : Packing
  • Product Details

For the tea equipment recommended on this page, the water content of fresh tea leaf is 75% and that of dry tea is 5%.

According to our local tea production data, 4kg wet tea leaf produces 1kg dry tea.

  Mositure Content (%) Total Weight (kg)
Orginal ≈ 75 ≈ 100
After Withering ≈ 60 ≈ 65
After Rolling ≈ 60 ≈ 65
After Fermentation ≈ 60 ≈ 65
After Drying ≤ 5 ≤ 26

The above data are from our local tea production data, and there may be deviations in tea production in different regions.

   1. Withering     

Because the freshly picked tea leaves have more moisture and the grass smell is heavier, they need to be placed in a cool and ventilated room for withering. After withering, the water content of the tea leaves is reduced, the leaves become soft, and the grassy smell disappears. and the aroma of the tea leaves is revealed, which is conducive to subsequent processing, such as fixation, twisting, fermentation, etc.


We recommend use 2 sets DL-TQJ-20 tea withering rack, capacity 50kg per batch, for 100kg tea leaf need 2 sets, working time about 17-24 hours, In case of cloudy and rainy weather, the withering time needs to be extended appropriately.


With 20pcs Bamboo Pallets Tea Natural Wither Rack DL-TQJ-20

Recommended Working Data
Temp Room Temperature
Time 17-24 Hours
Capacity 2.5 kg per tray

The mositure content after withering step will drop to 60%, total weight of tea leaf about 65kg.

   2. Rolling     

Different tea leaves have different rolling time and different functions, for black tea: Black tea is the fully fermentated tea. It needs enzymes, tannin and other substances in the fresh leaves to react with oxygen and other substances in the air. However, these substances are usually difficult to react with the air in the cell wall. So you need use rolling machine, it twists and rubs the cell walls of the fresh leaves and breaks the tea juice. The substances in the fresh leaves are in full contact with the air for oxidative fermentation. The degree of twisting determines the different color and taste of black tea.


We recommend use 1 set DL-6CRT-40 Tea Rolling Machine, capacity 11-13 kg per batch, for 65kg tea leaf need 1 set, working time about 5 hours.


40cm Battel Middle Type Tea Twister Twisting Machine DL-6CRT-40

Recommended Working Data
Rotate Speed 42 rpm
Time About 40-60 Minutes
Capacity 11-13 kg per batch

The mositure content after rolling step will not change, mositure content still 60%, total weight of tea leaf about 65kg.

   3. Fermentation     

Black tea is the fully fermented tea, the most important part of the producton process is fermentation. Fermentation is to make the grass smell in the tea disapper. The substances inside  the black tea are in full contact with the air. Under suitable conditions of temperature and humidity, the polyphenol compounds in the tea are fermented and oxidized to form theaflavins, thearubins,etc. And let the black tea emit a unique aroma.
Normally, the fermentation time of  black tea should not be too long. Because during drying, the tea will continue to ferment during the temperature increase phase.


We recommend use 1 set DL-6CFJ-20QB Tea Fermentation Machine, capacity 60kg per batch, for 65kg tea leaf need 1 set, working time about 3-4 hours.

5 Trays All Stainless Steel Black Tea Fermentation Machine DL-6CFJ-20QB

Recommended Working Data
Temperature 30℃ - 35℃
Humidity 90% - 95%
Time 3-4 Hours
Capacity 60 kg per batch

The mositure content after fermentation step will not change, mositure content still 60%, total weight of tea leaf about 65kg.

   4. Drying     

Since black tea is still in the fermentation process before drying, for black tea, the first step is to evaporate the water in the tea, and then destroy the enzyme activity by high temperature, so that the tea leaves stop oxidative fermentation, and the quality of the black  tea is maintained. At the same time, it also exudes the smell of grass and tightens the tea leaves to make the tea more beautiful and full of aroma.


We recommend use 1 set DL-6HZ-2 Tea Drying Machine, capacity 6-8kg per batch, for 65kg tea leaf need 1 set, working time about 5 hours.


10 Layers 50cm Tray Mini Smallest Rotary Type Tea Drying Machine DL-6CHZ-2QB

Recommended Working Data
Temperature 85℃ - 95℃
Rotate Speed 6 rpm
Time 40-60 Minutes
Capacity 6-8 kg/batch

The mositure content after rolling step will drop less than 5%, total weight of tea leaf about 25kg.

   5. Sorting     

In the process of making tea, due to the different size, shape and age of the collected tea, the quality of the tea produced is also different. And the tea may be broken during the production process, we need to classify different grades and different sizes. The teas are selected, and different grades of tea are sold at different prices, thus maximizing the profit of tea production.


Small Type Tea Winnower Sorter Screener Machine DL-6CFX-435QB

   6. Packing     

For different regions and customers, we can't know everyone's different needs for packaging. For different packaging, you can visit the following links to choose your favorite packaging.

   Get Quotation     

The following is the summary model and required quantity of equipment recommended on this page:

Name Model Quantity
Tea Wither Rack DL-TQJ-20 2
Tea Rolling Machine DL-6RT-40 1
Tea Fermentation Machine DL-6CFJ-20QB 1
Tea Drying Machine DL-6CHZ-2QB 1
Tea Sorting Machine DL-6CFX-435QB 1

Contact us in the following ways to obtain the quotation of the equipment recommended on this page.

TEA PROCESSING   MACHINE MANUFACTURER
TEA PROCESSING MACHINERY 
    FACTORY

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