Vacuum Precooler: Advanced Technology for Rapid Cooling and Preservation

Vacuum precooler is a kind of equipment used for rapid cooling and preservation of food. It lowers the temperature of food by reducing air pressure in a vacuum environment. The main principle of vacuum pre-cooling technology is to use the principle of evaporation and heat dissipation of water to achieve the effect of cooling by reducing the humidity and evaporation temperature of the food surface.

Vacuum pre-coolers are mainly divided into fruit, vegetable and flower vacuum pre-coolers and cooked food vacuum pre-coolers, and they will be introduced below:

Fruit, vegetable and flower vacuum precooler:

The fruit, vegetable and flower vacuum precooler is mainly used for cooling and preservation of fresh agricultural products such as fruits, vegetables and flowers. It quickly reduces the temperature of produce, extending its shelf life and reducing spoilage and quality loss. The vacuum precooler for fruits, vegetables and flowers usually uses a vacuum pump to draw out the air in the precooling chamber to form a low-pressure environment. Under low pressure, the moisture on the surface of the agricultural products evaporates rapidly, thus taking away a large amount of heat and cooling the agricultural products rapidly.

Cooked food vacuum precooler:

Cooked food vacuum pre-cooler is mainly used for cooling and keeping fresh cooked food, meat and seafood and other processed foods. It can quickly reduce the temperature of cooked food to low temperature, preventing the reproduction of microorganisms and food deterioration. Deli vacuum pre-coolers usually use a vacuum pump to draw the air out of the cooling chamber, creating a low-pressure environment. Under low pressure, the moisture on the surface of the cooked food evaporates rapidly, thereby taking away the heat and achieving the effect of rapid cooling.

The main advantages of vacuum coolers include:

Rapid cooling: The vacuum pre-cooler can quickly reduce the temperature of food, which is more efficient than traditional cooling methods.

Maintain food quality: Through rapid cooling, the vacuum pre-cooler can reduce the loss of nutrition and quality of food, and extend the freshness period of food.

Inhibition of microbial growth: Low temperature and vacuum environment can effectively inhibit the reproduction of microorganisms and reduce the risk of food spoilage.

Energy saving and environmental protection: Compared with traditional cooling methods, vacuum precoolers can generally save energy and reduce the impact on the environment.

It should be noted that the vacuum precooler needs to be adjusted and operated according to the characteristics and requirements of different foods during use to ensure the best precooling effect and food quality.