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2021-10
Working principle of refrigerated dryer
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The freeze dryer is based on the principle of freeze dehumidification. Saturated compressed air from upstream is cooled to a certain dew point temperature through heat exchange with refrigerant, and a large amount of liquid water is separated by a gas-liquid separator and condensed before being discharged outside the machine. The purpose of drying and removing water.
Adsorption dryer is based on the principle of pressure swing adsorption. Saturated compressed air from upstream comes into contact with a desiccant at a certain pressure, and most of the moisture is absorbed by the desiccant. The dried air enters the downstream to achieve deep drying.
At present, refrigerated dryers still have problems such as low heat transfer efficiency and multiple dead zones during the compressed air flow process. To fully leverage its functional advantages, analyze its key technologies, continuously strengthen its heat transfer effect through multi-faceted joint optimization, and achieve the best application effect.
Vacuum freezing and drying are widely used in industries such as benthic organisms, pharmaceuticals, and food due to their complete dehydration, excellent rehydration properties, and low oxidation resistance. The main text introduces the principles and composition of vacuum freeze-drying machines, and the central introduction discusses how to verify the instincts of vacuum freeze-drying machines to ensure that the instrument functions normally and protect the effectiveness of freeze-drying services.
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