Black tea refining process

Abstract

The invention discloses a tea leaf processing process, more particularly to a black tea refining process. The process comprises a drying process, a sieving process, a winnowing process, a pick-out process and a heating process. In the drying process, preliminary crude tea is dried by heating at 90 DEG C to 100 DEG C; in the sieving process, the dried crude tea is sieved by a roller round sieve to obtain tea leaves with different lengths and thicknesses; in the winnowing process, light and weight tea leaves are separated from each other; in the pick-out process, tea stalks and impurities are removed; and in the heating process, moisture is removed to obtain the finished product of black tea, wherein the heating temperature is from 90 DEG C to 100 DEG C and the moisture in dried tea leaves is lower than 6%. The black tea refining process disclosed by the invention can effectively remove old stalks, thin stalks, silk-like stalks, red fibers, Yin-Yang red fibers, skin grafts and tea leaves different in appearance colors, as well as impurities such as inclusion, thus improving the quality of black tea effectively..

Description

technical field [0001] The invention discloses a tea processing technology, in particular to a black tea refining technology. Background technique [0002] Keemun black tea, a famous tea in Chinese history. The famous black tea boutique, referred to as Qi Hong, is mainly produced in Qimen County, Anhui Province. "Qimen black tea is the most outstanding among all the fragrances, and it has a good reputation and high fragrance." Qimen black tea is the best of all black teas and enjoys a high reputation. It is the favorite drink of the Queen of England and the royal family. Qunfang is the most", "Black Tea Queen". [0003] The whole production process of black tea can be divided into two steps: initial production and refining. The initial production includes green storage, rolling, fermentation, and drying. After drying, it is called "mao tea". Excellent quality black tea. [0004] In the existing refining process, raw tea is sieved and air-selected to make clean tea, and e...

AI Technical Summary

Problems solved by technology

[0004] In the existing refining process, raw tea is sieved and air-selected to make clean tea, and each No. 1 tea contains old stalks, thin stalks, silk stalks, red tendons, yin and yang red tendons, skin flakes, and tea leaves with different shapes and colors. and inclusions, etc., cannot be screened out, and the wind is not clean, affecting the clarity and color of the finished tea