Black tea making process

Abstract

The invention discloses a black tea making process, belonging to the technical field of tea leaf processing. The black tea making process comprises the following steps: picking tea leaves, performing withering fermentation, performing primary drying, kneading, performing secondary kneading, inspecting, and delivering from a warehouse, wherein black tea to be withered is put into a withering chamber of a machine body in the withering fermentation step; the withered black tea is put into a fermentation chamber of the machine body; a variable frequency motor is powered on; a first fan and a second fan are driven to rotate by the variable frequency motor through a rotating shaft; when the fist fan is rotated, negative pressure can be formed at a rotation center; under the action of the negative pressure in the fermentation chamber, the air inside the fermentation chamber is fed into a flue and is discharged out from an air discharge hole under the action of a one-way valve; the humidity of the air inside the fermentation chamber inside the machine body is 85-95%. By adopting the scheme, the moisture of the black tea is evaporated to form high-humidity air which is conveyed into the fermentation chamber, so that no extra humidification equipment is needed in the scheme, and meanwhile the moisture of fresh black tea leaves can be effectively utilized.

Description

technical field [0001] The invention relates to the technical field of tea processing. Background technique [0002] Black tea is a kind of tea made by fermentation. During the fermentation process, the chemical reaction of polyphenols makes the chemical components in fresh leaves change greatly, and it will produce theaflavins, thearubigins and other components, and its aroma is stronger than that of fresh leaves. Significantly increased, forming the characteristics of black tea, red soup, red leaves and sweet and mellow taste; it is mild in character, mellow in taste, contains a variety of water-soluble vitamins, and is rich in trace element potassium, which can help gastrointestinal digestion, increase appetite, diuresis, Eliminate edema and strengthen the heart function. Drinking black tea often is also good for strong bones. [0003] Regarding the processing of black tea, black tea is a fully fermented tea. It is made from suitable new tea tree leaves as raw materials ...

AI Technical Summary

Problems solved by technology

[0004] When traditional black tea is processed, the water produced during the withering process is directly emitted into the air, and a humidifying device is generally used to ensure the air humidity in the fermentation room during the fermentation process. This processing technology not only increases the complexity of the entire black tea processing machinery, At the same time, it also failed to effectively use the water during withering.

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