With the continuous acceleration of economic development, the application of water ring vacuum pump in production and life has been more and more widely. It was initially used as self suction pump, and gradually developed to be used in many industrial sectors such as petroleum, machinery, chemical industry, mining, medicine, light industry and food. Here mainly about the water ring vacuum pump about the application of refrigeration and drying.
A method of freezing and drying materials from ice to below 40 PA is also called the method of freezing and drying the material in a vacuum container with water vapor higher than 40 PA.
Freeze drying is based on the principle of ice crystal sublimation. In a high vacuum environment, the water content of frozen food materials is directly sublimated from ice solid to steam without melting ice. Generally, the moisture in vacuum drying materials is converted into vapor state under liquid state to dry food, so freeze drying is also called freeze sublimation drying.
When it comes to freeze-drying, people may first think of food, such as condiments, fruits and so on. Of course, there is also the freezing of seafood. This technology basically uses the special advantages of water ring vacuum pump to change the characteristics of food itself, preserve the nutrition of food after vacuum drying, and carry out marketing in the form of convenient transportation.
Because in a long time ago, for the processing of food, especially seafood, most of them used manual operation, but the efficiency was very low due to the change of seasons. However, after using this process of water ring vacuum pump, not only the production efficiency was increased many times, but also the quality of the products was guaranteed.
This freeze-drying technology of water ring vacuum pump is not only used in food processing, but also has the same effect on some vaccines and medicines produced by pharmaceutical factories. In addition, this technology is also used in biological preservation of medical industry, which has achieved very good results and has become a more practical vacuum equipment in recent years. In this process, the material is frozen first and then vacuumized. When the frozen water in the material is sublimated and removed, the freeze-dried material will remain in its original state. This process has been developed in China for decades, and its design is quite mature, which has made great contributions to many industries.
In fact, the application of water ring vacuum pump in refrigeration and drying is very extensive, it is used in all walks of life, and the prospect is very wide.
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