Oolong tea processing steps are: withering, tossing, steaming, rolling, molding and drying.
Each day process 100kg fresh tea leaves, the water content of tea leaves is 75% - 80% (take an intermediate value of 78%).
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Step 1 : Outdoor withering
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Oolong tea withering time need about 30 minutes, the best time to choose is 4:00pm - 5:00pm, flip the tea leaf every 10 minutes, make the water content drop to about 78%, the aroma of tea began to show.
After outdoor withering, the weight of fresh tea leaves are about 91kg.
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Each sieve can put 2.5kg fresh tea leaves, each rack has 20pcs sieves, so 1 rack can put 50kg tea leaves, you need 2 sets wither rack ( 40pcs sieves ).
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2 SETS DL-TQJ-20
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Step 2 : Indoor withering and tossing
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Process 91kg fresh tea leaves, the tea tossing machine can put about 60kg tea leaves per time, so we recomend you use 1 set DL-6CYQT-YA90 oolong tea shanking machine.
Put the tea leaves in to oolong tea tossing machine, rotate about 3-4 minutes, and put the leaves on the sieve, move the wither racks indoors, keep indoor temperature 20℃, relative humidity 80%, indoor withering time 1.5-2 hours.
After the end of time, put the leaves in the tea tossing machine again, rotate about 5-10 minutes, and move them indoors, indoor withering time 2-2.5 hours.
After the end of time, put the leaves in the tea tossing machine again, rotate about 20-25 minutes, and move them indoors, indoor withering time 6-12 hours.
After indoor withering and tossing, the tea leaves water content drop to about 62%, the weight of tea leaves about 84kg.
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Each machine can put 60kg per time, tea leaves are not half as high as bamboo, oolong tea need tossing about 3 times, each time is different.
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1 SET DL-6CYQT-YA90
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Processing 84kg tea leaves, oolong tea steaming time need about 15 minutes, 1 hour can process 4 times, each time 21kg, we recomend you use 2 sets DL-6CST-90 tea leaf steaming machine, this machine can put 10kg tea leaves per time.
After steaming process, the water content of leaves drop to 47%, the weight about tea leaves about 69kg.
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This machine use gas as fuel, steaming time about 15 minutes, each time put 10kg tea leaves, steaming temperature 200-250℃.
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2 SET DL-6CST-90
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Rolling 69kg tea leaves, oolong tea rolling time need about 10 minutes, 1 hour can process 6 times, each time 11.5kg, we recomend you use 2 sets DL-6CRT-35 tea rolling machine, this machine can put 6.5kg tea leaves per time.
After tea rolling process, the weight is not change, tea leaves weight about 68kg.
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Rolling barrel is 35cm, rolling time about 10 minutes, this tea kneading machine can put 6.5 kg fresh tea leaves per time.
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2 SETS DL-6CRT-35
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Step 5 : Molding and deblocking
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Molding 68kg tea leaves, balled granular type oolong tea need press 8-15 times ( taka an intermediate value of 11 times ), pressing time need about 3-6 minutes ( taka an intermediate value of 5 minutes ), each machine can press 23kg, so 1 hour can process 23kg, we recomend you use 2 sets DL-CCXJ-6080 granular tea pressing molding machine, and after each press process, you need deblock the tea block, so we recomend you use 1 set DL-6CSST-80 tea deblocking machine.
After molding and deblocking, the weight about tea leaves about 65kg.
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Each time can put 23kg tea leaf, pressing about 11 times, press time about 5 minutes, 1 hour can process 23kg.
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2 SETS DL-6CCXJ-6080
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Drying 65kg tea leaves, oolong tea drying time need about 2 hours, we recomend you use 1 set DL-6CHZ-6 tea leaf drying machine, this machine can dry 80kg tea leaves per time.
After drying, the water content of tea leaves drop to 5%, easy to save.
Drying area is 6m², drying time about 2 hours, drying temperature about 75℃ - 100℃, until the water content of the leaf drop 5%, easy to store.
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1 SET DL-6CHZ-6
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