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The vacuum dryer equipment adopts high-efficiency radiant heating to heat the material evenly; it adopts high-efficiency water trap and can realize rapid defrosting; adopts high-efficiency vacuum unit and can realize oil-water separation; adopts parallel centralized refrigeration system, multi-channel on-demand cooling, The working condition is stable and energy-saving; the artificial intelligence control is adopted, the control precision is high, and the operation is convenient.
Vacuum dryer product features 1, rectangular body studio, so that the effective volume to reach large, micro-computer temperature controller, accurate and reliable temperature control.
2, tempered, bullet-proof double-glazed doors to observe the objects in the work chamber, at a glance, can be filled with inert gas inside.
3. The door can be closed tightly and can be adjusted. The integrally formed silicone rubber door seal ring ensures high vacuum inside the box.
4. The studio is made of polished mirror stainless steel to ensure durability.
5. Storage, heating, testing and drying are carried out in the absence of oxygen or in an inert atmosphere, so it will not oxidize.
6, zui short heating time, compared with the traditional vacuum drying box, the heating time is reduced by more than 50%.
Why should the vacuum dryer drying oven be heated first and then heated?
1) If the heating air is pumped out by the vacuum heating and then the vacuum is pumped out, the heat will be brought to the vacuum pump, which will cause the vacuum pump to rise too high, which may reduce the efficiency of the vacuum pump.
2) The heated gas is directed to a vacuum gauge, and the vacuum gauge produces a temperature rise. If the temperature rise exceeds the operating temperature range specified by the vacuum gauge, the vacuum gauge may cause an indication error.
The correct method of use should first vacuum and then heat up. After the rated temperature has been reached, if it is found that the degree of vacuum has decreased, then add it appropriately. This is advantageous for extending the life of the device.
3) The workpiece is placed in a vacuum box to evacuate the vacuum to remove the gas components that can be removed from the workpiece material. If the workpiece is heated first, the gas expands when heated. Due to the excellent sealing of the vacuum box, the enormous pressure generated by the expanding gas may cause the observation window tempered glass to burst. This is a potential danger. This danger can be avoided by following the procedure of first vacuuming and then heating up the heating.
The vacuum dryer consists of a refrigeration system, a vacuum system, a heating system, and an electrical instrument control system. The main components are drying ovens, condensers, refrigeration units, vacuum pumps, heating/cooling devices, etc. It works by freezing the dried item below the triple point temperature and then sublimating the solid water (ice) in the item to water vapor under vacuum conditions, removing it from the item and drying the item. After the material is pretreated, it is sent to the quick freezing warehouse for freezing, and then sent to the drying chamber for sublimation dehydration, and then packaged in the post-treatment workshop. The vacuum system establishes a low pressure condition 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 the drying chamber.