The vacuum freeze dryer of Yantai Hairui Food Equipment Co.,Ltd.is mainly used for drying traditional Chinese medicine pieces,wild vegetables,food,fruits and other materials.The vacuum freeze dryer combines the vacuum system,refrigeration system,moisture removal system and thermal oil heating system into one,creating a new type of box structure,which greatly utilizes the space of materials stored in the box for dry freeze vacuum drying.​

The working principle of the vacuum freeze dryer is actually very simple.First,the vacuum system evacuates and takes away part of the water;second,when the material is frozen,the water contained in some molecules is discharged to the surface of the material for freezing.When a certain freezing requirement is reached,the heating system heats and dries the material,and then takes the evacuation to bring the moisture contained in the material to the freezing collection box again for freezing,thereby meeting the drying requirements for the freezing of the material.​

Finally,in order to meet the product grade needs of large government customers and improve economic benefits,we,Yantai Hairui Food Equipment Co.,Ltd.,provide the choice of German refrigerated vacuum dryers.