Fresh food vacuum cooler is a device used for rapid cooling and preservation, mainly for pre cooling, cooling, and preservation of food. Its working principle is to extend the shelf life of food by placing it in a vacuum environment, reducing the ambient temperature and gas concentration. The characteristics of the fresh food vacuum cooler are as follows:
1. Rapid cooling: By placing food in a vacuum environment, the ambient temperature can be quickly lowered, thereby rapidly reducing the temperature of the food and effectively extending its shelf life.
2. Maintain original quality: Fresh food vacuum cooling machine can maintain the original quality of food, including color, taste, nutritional content, etc., keeping it fresh during the shelf life.
3. Energy saving and environmental protection: The working principle of the fresh food vacuum cooling machine is to use vacuum to reduce the ambient temperature, which does not require a large amount of energy consumption and does not produce pollution, and has the characteristics of energy saving and environmental protection.
4. High degree of automation: Fresh food vacuum cooling machines can achieve automated operations, including automatic weighing, automatic loading and unloading, automatic control, etc., improving work efficiency and production efficiency.
Fresh food vacuum coolers are widely used in food processing, logistics and distribution fields, and can be used for pre cooling and cooling various foods, including vegetables, fruits, meat, eggs, rice and flour products, etc.
Working principle, cooling method
1. The working principle of a fresh food vacuum cooler is to place food in a vacuum environment, reducing the ambient temperature and gas concentration, thereby extending the shelf life of the food. The specific cooling method is as follows:
Vacuum cooling: By using a vacuum pump to extract air from a food container, the pressure inside the container decreases, and the ambient temperature also decreases accordingly. This can effectively slow down the heat transfer of food, thereby achieving the goal of cooling down.
2. Gas concentration control: In a vacuum environment, by controlling the gas concentration, the oxygen content in food can be reduced, thereby inhibiting the oxidation reaction of food and extending its shelf life.
3. Heat transfer cooling: In a vacuum environment, food can transfer heat to a coolant through heat transfer cooling, thereby achieving the purpose of cooling.
In summary, the cooling methods of fresh food vacuum coolers mainly include vacuum cooling, gas concentration control, and heat transfer cooling. Through these cooling methods, the temperature of food can be effectively reduced, the shelf life of food can be extended, and the purpose of maintaining food quality can be achieved.
Core Technology Description
The core technology of fresh food vacuum cooling machine mainly includes the following aspects:
1. Vacuum technology: Vacuum technology is one of the core technologies of fresh food vacuum cooling machines, including vacuum pumps, vacuum pipelines, vacuum valves, etc. Rapid cooling and efficient heat transfer can be achieved through vacuum technology.
Heat exchange technology: Heat exchange technology is another core technology of fresh food vacuum cooling machines, including heat exchangers, heat transfer media, etc. Heat exchange technology can achieve heat transfer between food and cooling medium, thereby achieving rapid cooling and maintaining food quality.
2. Control technology: Control technology is an important component of fresh food vacuum cooling machines, including control systems, sensors, displays, etc. Real time monitoring and control of parameters such as vacuum degree, temperature, and humidity can be achieved through control technology, thereby ensuring the quality and safety of food.
3. Safety technology: Safety technology is an important component of fresh food vacuum cooling machines, including safety valves, safety alarm systems, etc. Security technology can ensure the safe operation of equipment and the safety of personnel.
The above is the core technology of fresh food vacuum cooling machine, and the specific technical details and implementation methods need to be determined according to actual needs and application scenarios.
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