Advantages of liquid nitrogen quick freezing
Editor:adminClick：
Time:2019-08-31 09:03
Liquid nitrogen is low temperature - 196 C, colorless, odorless, non-toxic, volatile, so it is generally stored in a special liquid nitrogen container - panchao liquid nitrogen tank.
Liquid nitrogen can be used to freeze laboratory samples, sperm and embryos, as well as to rapidly cool objects to achieve quick freezing.
Liquid nitrogen can be used to freeze laboratory samples, sperm and embryos, as well as to rapidly cool objects to achieve quick freezing.
1. Liquid nitrogen is non-toxic and inert to food ingredients. Moreover, because it replaces the air from food, it can minimize oxidation changes during freezing and packaging.
2. Liquid nitrogen can be in close contact with all parts of food with irregular shape, so that heat transfer resistance can be minimized.
3. Freezing food consumes less energy. The dry consumption of frozen food is between 3% and 6%, while that of frozen food is between 0.6% and 1% with liquid nitrogen.
Therefore, it is suitable for freezing some foods with high moisture content, such as bayberry, tomatoes, crab meat and so on.
Therefore, it is suitable for freezing some foods with high moisture content, such as bayberry, tomatoes, crab meat and so on.
4. Small area, low initial investment and high efficiency of loading and unloading.
5. The quality of frozen food is high. Due to the direct contact between liquid nitrogen and food, and the intense heat exchange with temperature difference over 200 K, the freezing speed is very fast, and the temperature can be reduced by 7-15 K per minute. The ice crystals in food are fine and uniform, and the food quality is high after thawing.
If you are interested in the panchao liquid nitrogen tanks or need to consult, please click on our online customer service, or call us.
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