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Your Location: Home >> News >> Technical support >> What is the difference between the normal type | gland type | multi-tube type | in-situ type in a small freeze dryer?

What is the difference between the normal type | gland type | multi-tube type | in-situ type in a small freeze dryer?

Release Date: 2019/3/22 16:48:30 .
Browse: 1062

What is the difference between the normal type | gland type | multi-tube type | in-situ type in a small freeze dryer?
Small freeze dryers are also known as small vacuum freeze dryers (laboratory vacuum freeze dryers), laboratory freeze dryers (small freeze dryers), and small freeze dryers are functionally divided into: common freeze dryers. Machine, gland type freeze dryer, multi-tube type freeze dryer, multi-tube gland type freeze dryer, T-frame freeze dryer, in-situ freeze dryer.
Ordinary freeze dryer: The material is bulk in the material tray and is suitable for lyophilization of food, Chinese herbal medicine and powder materials.
Capping type freeze dryer: suitable for the drying of the bottled material of Xilin. When preparing for lyophilization, the material is packed into the vial as needed, floated and capped, and then freeze-dried. After the drying, the capping mechanism is pressed. The cover can avoid secondary pollution, re-adsorb moisture, and is easy to store for a long time.
Multi-manifold type freeze dryer: the flask is attached to the outside of the drying chamber, and the material frozen on the inner wall of the bottle is dried. At this time, the flask is connected as a container to the manifold outside the drying box, and the material in the flask is heated at room temperature. The multi-manifold switch unit allows the flask to be removed or loaded as needed without downtime.
Multi-tube gland type freeze dryer: combines the characteristics of gland type and multi-tube type.
T-frame freeze dryer: The sample is freeze-dried and packaged in Xiao'an. It has the advantages of long storage period, small variation, convenient for large-scale preservation and wide application range.
In-situ freeze dryer: The laboratory small-scale freeze dryer mentioned above is separated from the pre-freezing stage and the drying stage, and the process requires manual intervention. At present, most manufacturers in China are these styles. Shanghai Tuofeng products--small in-situ freeze dryers have in-situ freeze-drying function, and the traditional freeze-drying machine needs manual intervention in the pre-freezing and drying stages. In addition to getting rid of complex manual operations, the impact of manual intervention or air exposure on the lyophilization quality of the product is avoided.
Benefits of in-situ freeze-drying technology applied on food freeze dryers
In-situ freeze-drying technology, as the name suggests, is a two-stage process of pre-freezing and drying. No manual operation is required. For example, during the operation of the food freeze-drying machine, the cleaned food is put into the freeze-drying room, and the lyophilization is directly waited for. The food can be taken out and packaged. There is no unnecessary interference operation during the whole process, and the automation process.
Application benefits of in-situ freeze-drying technology on food freeze dryers:
When the food is pre-frozen and transferred to the drying stage, no manual operation is required, which saves labor costs;
In-situ freeze-drying technology automates drying throughout the process, avoiding the intervention of traditional drying process and affecting the freeze-drying effect of food, thus avoiding economic losses;
The in-situ freeze-drying technology avoids the contamination of the food contact process and ensures the quality requirements of the freeze-dried food.

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