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Herbal Medicine Dryer Operate Key Points

2022-11-24

There are many kinds of herbal medicines from a wide range of sources, and each herbal medicine has a variety of chemical components. Due to historical reasons, there are great differences in the development and utilization of traditional Chinese medicine resources and the scope of application in various regions. Therefore, for the authenticity and efficacy of Chinese medicinal materials, the following factors should be considered when using Chinese medicinal materials dryers:

1. The types and properties of Chinese herbal medicines: Chinese herbal medicines include roots, stems, leaves, fruits, seeds, bark, etc. The shape, size, thickness, weight, texture, composition and other factors of Chinese herbal medicines all affect the drying process.

2. Drying temperature: According to the different materials, in the case of ensuring the drying quality, try to choose a high drying temperature to speed up the drying speed.

3. Humidity: different humidity content of materials.

4. The wind speed of the hot air medium: the speed of the hot air medium in the drying chamber is related to the drying speed, the material form and the characteristics of the material.

 5. Selection of drying speed and drying method: drying should be carried out under certain technical parameters such as temperature, humidity, and wind speed, so as to ensure the maintenance of the pharmacological components of the material during the drying process.

 6. Material placement method: accumulation thickness, placement method affects drying speed. The accumulation thickness should be reasonably controlled, and the heat exchange area and ventilation volume should be increased to speed up the drying speed.

 7. Mixed drying of different varieties: In principle, when drying Chinese herbal medicines, a single variety is required, and multiple varieties cannot be mixed together for drying.

 8. Secondary drying: generally refers to the secondary drying of the dried and stored raw materials before the processing of Chinese herbal medicines to meet the requirements of customers.

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