Research progress on drying technology of traditional Chinese medicine extract: combined drying

Combined drying

In industrial production, due to the diversity of materials and the complexity of their properties, a single form of drying equipment is sometimes used to dry the material. It often fails to meet the quality requirements of the final product. If two or more types of drying equipment are combined, the purpose that cannot be achieved by a single drying apparatus can be achieved. This drying method is called combined drying. Combined drying can dry materials that are difficult to dry with some single drying methods. The combined drying application not only saves energy, but also controls the entire drying process well, helping to obtain high quality products.

Commonly used combined dryers are spray * chemical bed combined drying, spray belt combined drying, microwave vacuum drying, spray freeze drying, etc. (4). Most of these combined drying technologies are now applied to the drying of foods and vegetables, and the application in the drying of traditional Chinese medicine extracts has yet to be promoted. Combined drying is one of the future development directions of traditional Chinese medicine extract drying technology.

Other drying methods In addition to the above-mentioned drying techniques commonly used in the Chinese medicine industry, there are other drying equipments suitable for the drying of paste materials, such as microwave vacuum dryers, airflow dryers, fluidized dryers, and rotary flashes. Steam dryer

Stevia Rebaudioside M

Stevia RM

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