Vacuum pre cooling preservation machine is a machine used for vegetable preservation. Its working principle is to place vegetables in a vacuum chamber and extract air through a vacuum pump, thereby reducing the oxygen content and humidity in the environment, inhibiting the respiration of vegetables and the activity of microorganisms, and delaying the aging and decay of vegetables. Specifically, the advantages of vacuum pre cooling preservation machine are as follows:
1. Maintain the freshness of vegetables:By vacuum pre cooling, the temperature of vegetables can be effectively reduced, thereby delaying their metabolism and aging process, and maintaining the freshness and taste of vegetables.
2. Reduce vegetable waste:Vacuum pre cooling can effectively reduce the loss of vegetables during transportation and storage, thereby improving the utilization rate and economic benefits of vegetables.
3. Environmental Protection:Vacuum pre cooling does not require the use of any chemicals, making it environmentally friendly and a green preservation method.
4. Energy saving:The energy consumption of vacuum pre cooling is relatively low, so it can save energy.
In summary, vacuum pre cooling fresh-keeping machines have significant advantages in vegetable preservation.
function
Vegetable vacuum pre cooling preservation machine is a machine used for preserving vegetables. Its main function is to extend the shelf life of vegetables through a low-temperature environment under vacuum. Specifically, the machine can achieve the following functions:
1. Reduce the temperature of vegetables:By creating a low-temperature environment under vacuum, the temperature of vegetables can be rapidly reduced, thereby slowing down the evaporation and metabolism of water in vegetables and extending their shelf life.
2. Reduce water evaporation:The low-temperature environment under vacuum can slow down the evaporation of water in vegetables, thereby maintaining the water balance of vegetables and avoiding them from becoming dry and shrinking due to excessive water loss.
3. Prevent oxidation:The vacuum state can reduce the oxygen in the air, thereby preventing the oxidation of fats and sugars in vegetables and slowing down the deterioration process of vegetables.
4. Eliminate odors:Vacuum state can eliminate odors in vegetables and make them fresher.
In short, the vegetable vacuum pre cooling fresh-keeping machine can effectively extend the shelf life of vegetables, maintain their freshness and taste, and also help reduce food waste.
Principle
The principle of vacuum pre cooling fresh-keeping machine is to reduce the ambient temperature under vacuum state, thereby slowing down the evaporation rate of water in fruits and vegetables, reducing the respiratory intensity of fruits and vegetables, delaying the aging and decay of fruits and vegetables, and achieving the purpose of preservation. The specific process is as follows:
1. Put fresh fruits and vegetables into the vacuum box and close the box door.
2. Turn on the vacuum pump to extract the air inside the vacuum box and keep it in a vacuum state.
3. Adjust the temperature and humidity inside the vacuum box to meet the requirements of fruit and vegetable preservation.
4. Maintain a vacuum state for a period of time to achieve the effect of preserving fruits and vegetables.
5. Open the vacuum box door, take out the fruits and vegetables, package and refrigerate them.
Application Areas
The application areas of vegetable vacuum pre cooling preservation machine mainly include:
1. Agriculture:In the field of agriculture, vegetable vacuum pre cooling and preservation machines can help farmers quickly reduce the temperature of vegetables after harvesting, extend the shelf life of vegetables, and improve the quality and yield of vegetables.
2. Vegetable processing:In the field of vegetable processing, vegetable vacuum pre cooling and preservation machines can be used for pre cooling and preserving vegetables, improving processing efficiency and vegetable quality.
3. Logistics:In the field of logistics, vegetable vacuum pre cooling and preservation machines can provide suitable temperature and humidity environment for vegetables during transportation, maintaining the freshness and quality of vegetables.
4. Catering industry:In the catering industry, vegetable vacuum pre cooling and preservation machines can be used to store and preserve vegetables, improving their efficiency and taste.
Summary: Vegetable vacuum pre cooling preservation machine plays an important role in vegetable preservation and processing, and is widely used in various fields.
Equipment Technical Parameter Description
The technical parameters of the vegetable vacuum pre cooling and preservation machine include the following aspects:
1. Vacuum degree:The degree of reduction of gas in a vacuum environment, usually expressed in terms of pressure. The higher the vacuum degree, the better the vegetable preservation effect.
2. Pre cooling time:Refers to the time required to lower vegetables from room temperature to a specified temperature. The shorter the pre cooling time, the smaller the loss of vegetables.
3. Temperature range:The maximum and minimum temperature range that vegetables can withstand during the pre cooling process. The wider the temperature range, the wider the applicability of vegetables.
4. Gas concentration:Refers to the relative proportions of various gases in a vacuum environment. Different gases have different preservation effects on vegetables, so the gas concentration needs to be controlled within an appropriate range.
5. Capacity:The maximum capacity of a vegetable vacuum pre cooling and preservation machine, which refers to how many vegetables can be processed simultaneously.
The above are the main technical parameters of the vegetable vacuum pre cooling and preservation machine, which need to be selected and configured according to actual application needs.
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