The core advantage of the liquid nitrogen freezing machine

2025-12-31 14:53:24

The liquid nitrogen quick freezer  is a device that uses liquid nitrogen (with a boiling point of -196℃) to rapidly freeze food. Its core advantage lies in the high-quality preservation effect achieved by the extremely fast freezing process. 

1. The core advantage of the liquid nitrogen freezing machine:

‌Outstanding food preservation quality. Quickly through the ice crystal formation zone: The ultra-low temperature (-190℃) of liquid nitrogen can reduce the center temperature of the food to below -18℃ within 20-40 minutes, forming tiny ice crystals, which reduces the damage to the cell structure and maximally retains the texture, taste and nutritional components of the food.‌ 

2. Low water loss: The dry consumption rate during the freezing process is only 0.25% - 0.5%, much lower than the 3% - 6% of traditional freezing methods. This effectively maintains the weight and original flavor of the food. 

3. Antibacterial and Preservation Properties: The ultra-low temperature environment can inhibit the growth of microorganisms and the activity of enzymes, thereby extending the shelf life of food. It is suitable for high-quality foods such as seafood, meat, and pre-prepared dishes. 

4. Efficiency and Environmental Friendliness Characteristics.

‌High freezing efficiency: Compared to traditional equipment (which takes more than 40 minutes), the liquid nitrogen rapid freezing time is reduced by over 50%, enhancing production line efficiency. 

5. Environmentally friendly: After vaporization, liquid nitrogen becomes inert nitrogen gas, which does not contain chemical refrigerants and is pollution-free. Moreover, it can be recycled, meeting environmental protection requirements. 

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6. Cleaning and Hygiene: The equipment is designed to facilitate thorough cleaning without any blind spots, thus preventing cross-contamination.