Vacuum Freeze Drying Machine For Food
Vacuum Freeze Drying Machine For Food
Freeze dryer is also known as vacuum freeze dryer. Its drying principle is the process of three forms of water changing and moving, the change and movement of the condition is carried out under low temperature and low pressure.
So, how long does freeze-dryer take to freeze dry, and how long does it take to freeze dry in general? The whole freeze-drying process of the freeze-dryer is carried out under low temperature and low pressure environment. The freeze-drying method can effectively retain the heat-sensitive components and original biological characteristics of the freeze-dried products.
The freeze-drying process is a process of gradually rising temperature from low temperature. If the temperature is too high or increasing too fast, the appearance of the final freeze-dried product is likely to collapse and the product phase is not good. The freeze-drying process is divided into three stages: pre-freezing, sublimation drying and analytical drying. Therefore, a time of lyophilization usually takes about 24 hours, and the specific lyophilization products are different. For biological products with low crystallization point, it usually takes more than 30 hours.
How long can the lyophilizer operate continuously? Kassel’s vacuum freeze drying equipment can be connected to work, a freeze drying cycle includes product freeze drying time + equipment defrosting time. After the defrosting is completed, the next freeze drying can be carried out.
Parameters:
Model | KFD-30 |
Tray area(m²) | 30 |
Input capacity(kg/batch) | 300 |
Min. cold trap temperature(℃) | <-45℃ |
Vacuum degree(pa) | <10pa |
Tray temp. | -35~+100℃ |
Tray quantity | 18 |
Tray Size(mm) | 3300x600 |
Cooling method | Water cooled |
Total power(kw) | 60 |
Total weight(kg) | 11000 |
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