Lyophilizing Machine For Chinese Herbal Extracts
Lyophilizing machine for Chinese herbal extracts
Vacuum freeze-drying machine in Chinese herbal medicine extract, Chinese herbal medicine freeze-dried powder technology process! It mainly includes: Chinese medicinal materials pretreatment → vacuum freeze drying (freezing, sublimation drying, desorption drying) → packaging → storage.
The main process is as follows:
1. Pretreatment of Chinese medicinal materials: some additives need to be added before the Chinese medicinal materials are initially processed from the origin place to the production link and then freeze-dried to maintain the efficacy and good effect of the products.
2. Pre-freezing: The pre-freezing of the products to be freeze-dried is to prepare for further freeze-drying. Pre-freezing is not only related to the quality of the freeze-dried products, but also affects the drying rate of the freeze-dried products. In the pre-freezing stage, we should pay more attention to the control of product formulation, freezing method and freezing rate, which will directly affect the tissue and cell structure and active components of traditional Chinese medicine.
3, sublimation drying: in Chinese medicine yinpian components must remain a vacuum in the process of freeze-drying and continuous frozen, so can make the moisture in product rapid sublimation, at this stage of the freeze-drying equipment shelf is one of the important rely on drugs for heat, high temperature in the shelf products gain more calories, shelf temperature, product of heat will be less. Therefore, the temperature of the shelf can not be too high and too low, should be controlled in a reasonable temperature range. According to the product temperature, the pressure in the freeze-drying box (vacuum degree), the temperature of the condenser to decide three factors.
4. Desorption drying: analytical drying is the second stage of product drying. There is no frozen ice crystal in the drug at this stage, but there will be about 10% moisture, so it must be further dried. In the analytical drying stage, the product temperature rises rapidly to the highest permissible degree and remains until the end of lyophilization, generally around 25 ~ 40℃. If the temperature of the material exceeds a certain limit, the thermal decomposition of the heat-sensitive components in Chinese medicine will occur, and the quality of the active components will be reduced by fission. Therefore, the equilibrium constant moisture content is the final index of the end of lyophilization. Some of the active ingredients in Chinese medicinal materials such as catalpol, astragalus saponin; Extended drying of volatile oils such as menthol and other heat-sensitive substances can lead to a decrease in the content of active ingredients.
5. Packaging and storage: according to product requirements, freeze-dried powder of Chinese medicinal materials can be obtained after crushing. The last step is packaging and storage. The freeze-dried products of Chinese medicinal materials can be stored for a long time if they are not in contact with oxygen and water vapor in the air. The packaging should be under vacuum condition or flushed with nitrogen, argon or carbon dioxide gas. For some bottled products in the drying chamber can be directly pressed down the rubber bottle stopper, encapsulation storage. Lyophilized medicines are generally stored at room temperature.
Parameter:
KFD-1 | KFD-2 | KFD-5 | KFD-6 | |
Capacity (Kg/Batch) | 10 | 20 | 50 | 60 |
Shelf Area (㎡) | 1.1 | 2 | 5 | 6 |
Shelf Size (Mm) | 500*400 | 700*500 | 800*895 | 950*800 |
Shelf Quantity (Layer) | 5+1 | 6+1 | 7+1 | 8+1 |
Max Catch Water（Kg） | 15 | 30 | 75 | 90 |
Ultimate Vacuum | 1 | 1 | 1 | 2 |
Electricity（Kw） | 12 | 16 | 22 | 34 |
Size（Mm） | 2200*1000*2000 | 2500*1000*2300 | 2200*1200*2400 | 3500*1400*2430 |
Weight（Kg） | 1500 | 2000 | 2500 | 3000 |
Pre-sale:
As soon as we get your inquiry, we will always reply to your email on time and try our best to recommend you the most suitable freeze dryer. Detailed tech-info will also be provided for you.
After-sale:
We will keep in touch with you, to make sure every parts of the freeze dryer work well. One year warranty, free online service.
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