Intelligent control fruit vacuum freeze-drying machine

　　Large scale fruit and vegetable freeze-drying machineReferred to as a food freeze dryer, it uses the principle of sublimation to freeze water containing food materials into a solid state at low temperatures. Then, in a vacuum environment, the water in the solid state is directly sublimated into a gaseous state without passing through the liquid, removing the water and preserving the food material.

The vacuum freeze dryer consists of a drying oven, a refrigeration system vacuum system, a media heat exchange cycle system, an automatic control system, a pneumatic system, etc.

The vacuum freeze dryer is manufactured using the principle of vacuum drying and is currently a good equipment for material dehydration. It has the advantages of compact and reasonable structure, convenient maintenance, fully automatic control, and easy operation.

1. The complete set of equipment for a 200 square meter freeze-drying machine includes a freeze-drying chamber made of stainless steel, a cold trap made of aviation aluminum tube, and metal hoses connected to the inlet manifold and heating plate made of stainless steel.

2. According to the trajectory calculation in the machining workshop plan, the transportation track in the machining workshop is made of carbon steel.

One 200 square meter freeze-drying machine, a quick freezing warehouse, and one room of refrigeration engineering and cold source matching.

In the quick freezing room, the room temperature is below -35 ℃, the incoming temperature is 15 ℃, and the outgoing temperature is -25 ℃.

　　Large scale fruit and vegetable freeze-drying machine

Put the materials into the material box for freezing The freezing process of materials involves, on one hand, the vacuum system evacuating and removing a portion of the moisture; On the other hand, when the material is frozen, the moisture contained in the molecules is discharged to the surface of the material to freeze. After meeting the freezing requirements, the material is heated and dried by the heating system, and the moisture contained in the material is brought to the freezing capture box for freezing by vacuuming, achieving the freeze-drying requirements of the material.

Traditional drying can cause material shrinkage and damage cells. The structure of the sample will not be damaged during the freeze-drying process, as the solid components are supported by the solid ice in their positions. When ice sublimates, it leaves pores in the remaining dry material. This preserves the integrity of the biological and chemical structure and activity of the product. In the laboratory, freeze-drying has many different uses, and it is widely used in many biochemical and pharmaceutical applications. It is used to obtain biomaterials that can be preserved for a long period of time, such as microbial culture, enzymes, blood, and drugs. In addition to the stability of long-term preservation, it also retains its inherent biological activity and structure. For this purpose, vacuum freeze-drying machines are used to prepare tissue samples for structural studies (such as electron microscopy). Freeze drying is also used in chemical analysis, which can obtain dried samples or concentrate samples to increase analysis sensitivity. Freeze drying stabilizes the composition of the sample without changing its chemical composition, making it an ideal analytical aid. Freeze drying can occur naturally. Under natural circumstances, this process is slow and unpredictable. Through freeze-drying systems, people have improved and subdivided many steps, accelerating this process.