1. Drying application of tea

    China is a big country in the production, consumption and export of tea in the world, and there are many varieties of tea. In the order of the degree of oxidation of tea polyphenols, the primary tea is divided into primary tea into green tea, black tea, white tea, dark tea, etc. Drying is an important process in the processing of various tea products. In the tea making process, heat is always inseparable. Especially in the drying stage, it not only removes water, but also evaporates water at the same time. The thermochemical changes under the participation of water further promote the formation of tea color, aroma and taste.

1. The drying process of green tea is generally dried first, and then roasted. Because the water content of the tea leaves after kneading is still very high, if they are directly fried, they will quickly form agglomerates in the pan of the roaster, and the tea juice is easy to stick to the wall of the pan. Therefore, the tea leaves are dried first to reduce the water content to meet the requirements of pan frying.

2. The drying of black tea is the process of baking the fermented green tea at a high temperature to quickly evaporate the water to achieve the quality and dryness. Its purpose is threefold: use high temperature to quickly inactivate enzyme activity and stop fermentation; evaporate water, reduce volume, fix shape, maintain dryness to prevent mildew; emit most of the smell of low-boiling grass, intensify and retain high-boiling aromatic substances, and obtain The unique sweet aroma of black tea.

3. White tea is a specialty of my country, mainly produced in Fujian Province. White tea adopts a drying process without frying or rubbing.

4. Black tea can be dried by baking and sun-drying methods to fix the quality and prevent deterioration.

Second, the advantages of the Nystar drying and dehumidifier drying solution

(1) The fully automatic control system can select the best drying temperature and humidity according to the process requirements of different products, which completely solves the problems of long drying time, high temperature, and high energy consumption in other drying methods. It is unparalleled Table more features.

(2) The use of high-efficiency centrifugal fans has the characteristics of strong wind, uniform air flow, low noise, etc., and the materials are dried evenly and quickly.

(3) During the drying process, the material will not be deformed, cracked, discolored, degraded, not oxidized, thoroughly dried, rehydrated after drying, less nutrient loss, long storage period, and more effectively protects the color and fragrance of the dried material. , Flavor, shape and active ingredients.

(4) The integrated design of the unit can be used when the pipeline and power supply are connected on site; the operation is convenient, after setting the parameters, the automatic control can be realized, and the reliability is high.

(5) Low investment and quick results. Old kilns, garages, etc. can be used for transformation, and it can be moved and save floor space. It is simple and convenient.