The principle of food vacuum freeze dryer
The food vacuum freeze dryer freezes the moisture inside the goods in advance, and then lifts the frozen moisture inside the goods in a vacuum natural environment, and the food vacuum freeze dryer obtains freeze-dried goods. Simply put, in an ultra-low temperature natural environment, the moisture in the goods is extracted to preserve the original nutrients...
The principle of the food vacuum freeze dryer
The food vacuum freeze dryer is the whole process of heat conduction and convection when the frozen raw materials are dried in a vacuum natural environment. The basic principle of the food vacuum freeze dryer is that according to the three-phase diagram of water, the food vacuum freeze dryer is under the working pressure of the triple point of water, and there is no liquid water, so the solid ice can be immediately upgraded to water vapor. If a certain calorific value is shown at this time, the ice can digest and absorb the calorific value and upgrade to gaseous state, and then the chemical substances can be dried, thereby achieving the purpose of long-term storage. The vacuum freeze dryer is a square box structure with low energy consumption and high economic benefits. It is widely used in food, pharmaceuticals, light industry, chemical plants and other fields for freeze drying. Vacuum freeze dryer can produce and process almost all agricultural and sideline foods such as meat, poultry, eggs, aquatic products, etc., which can maintain the color, aroma, taste, shape and nutritional components of the original food, and the actual effect of rehydration is good.
Food vacuum freeze dryer can produce and process almost all agricultural and sideline foods, such as meat, poultry, eggs, aquatic products, etc., which can maintain the color, aroma, taste, shape and nutritional components of the original food, and the actual effect of rehydration is good. Add to the mobile phone, care about us, and establish contact immediately. We will show you the overall solution of food machinery and equipment and provide all-round services.
What are the benefits of freeze-dried food with food vacuum freeze dryer:
1. Maintain the organizational structure of food ingredients. The nutritional components and taste chemical basis of vacuum freeze dryer will not change, especially the high preservation rate of specific ingredients, which is the key reason why freeze-dried food with food vacuum freeze dryer does not have a basis for some functional foods.
2. The appearance is not cracked or wrinkled, and the vacuum freeze dryer maintains the appearance design and color of the food
3. The surface of the product is hard and the structure is cellular, so it has good rehydration and is easy to take, which determines its influence in convenience foods.
4 The food vacuum freeze dryer is light in weight, durable in storage, and has no special regulations on the ambient temperature. When used for light-shielding vacuum nitrogen filling packaging, it can be kept for about 2 years at room temperature. The profit cost is more objective
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