Vacuum freeze-drying equipment
There are not many companies in the country that are developing vacuum freeze-drying equipment . There are even fewer companies that produce microwave vacuum freeze-drying equipment, only a few of them. In fact, in the world, there are very few research institutions and companies that can successfully solve the “low-pressure gas discharge problem†in the production of microwave vacuum freeze-drying equipment. Nanjing Yatai Institute of Microwave Energy successfully developed microwave vacuum freeze-drying equipment last year, which solved the problem of low-pressure gas discharge. At present, this kind of microwave vacuum freeze-drying equipment has been used by large-scale production enterprises of royal jelly lyophilized powder, condiment manufacturers, and dehydrated vegetable manufacturers. The feedback from customer feedback shows that the results are gratifying. Since the raw materials have different water content, structure, viscosity and other properties, and the variety of raw materials, different raw materials have different requirements for microwave design parameters, so in the process of processing agricultural products, microwave equipment has a strong special One sex is hard to use universally. For different agricultural products, microwave equipment with different structures and properties must be used for processing. In the next step, Nanjing Yatai Microwave Energy Research Institute will research and develop special microwave vacuum freeze-drying equipment according to the physical and chemical properties of different raw materials, and provide better equipment for health products and agricultural product processing industries. Since microwave vacuum freeze-drying equipment has many advantages, its market prospects are very good, especially in the aspect of the processing of health products and high-value-added agricultural products, which can play a very important role.
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Vacuum freeze-drying was first produced in 1909 for the study of biological materials and biological tissues. Microwave vacuum freezing and sublimation drying (MD dehydration) originated during the Second World War. At that time, the war required a large number of fresh blood products. However, many difficult problems existed in the storage and transportation links. In addition, the production of antibiotics also required the use of freeze-drying technology. For this reason, due to the need for war, scientists proposed a research project, "plasma invariable frozen vacuum microwave sublimation dehydration research project", referred to as "plasma engineering." The newly extracted fresh plasma is quickly frozen into ice cubes in a very short period of time, then vacuum-sublimated, sublimated to dry, dehydrated to dry blood (about 1% water content), protected from light by an aluminum foil bag, and shelf life Up to two years or more, transported to the front and diluted with sterile distilled water can be injected as fresh plasma. This project created a precedent for microwave sublimation, dehydration and drying.
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