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The vacuum dryer system consists of a refrigeration system, a vacuum system, a heating system, and an electrical instrument control system. The main components include drying oven, water trap (cold trap), refrigeration unit, vacuum pump, heating/cooling device, etc. Its working principle is to freeze the dried item below the triple point temperature, and then under vacuum conditions, the solid water (ice) in the item is directly sublimated into water vapor, which is removed from the item and dried.
After pre-treatment, the materials are sent to the quick freezing warehouse for freezing, then sent to the drying warehouse for sublimation and dehydration, and then packaged in the post-processing workshop. The vacuum system establishes low-pressure conditions for the sublimation drying chamber, the heating system provides sublimation latent heat to the material, and the refrigeration system provides the required cooling capacity to the cold trap and drying chamber.
Almost all agricultural and sideline products,
Meat, poultry, eggs, aquatic products, vegetables, fruits, etc. can all be made into freeze-dried foods, seasonings, instant foods, etc. At present, the most widely used freeze-drying technology is in the food industry, medical industry, and health product industry.
| Model | HT-KDGJ50 | HT-KDGJ100 | HT-KDGJ200 | HT-KDGJ300 |
| Capacity | 50~75kg/batch | 100~150kg/batch | 200~300kg/batch | 300~450kg/batch |
| Voltage | 380V | 380V | 380V | 380V |
| Power | 18kw | 34kw | 56kw | 83kw |
| Dimension | 3800*1200*1900mm | 5800*1700*2000mm | 7500*1700*2000mm | 9000*1700*2000mm |
| Warehouse material |
stainless steel, carbon steel |
stainless steel, carbon steel |
stainless steel, carbon steel |
stainless steel, carbon steel |
| Warehouse structure | square | square | square | square |
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