A shelf heating Freeze Dryeris a method in which a water-containing substance is first frozen into a solid state, and then the water therein is sublimated from a solid state into a gaseous state to remove water and preserve the substance.
In the process of drying compressed air, the shelf heating Freeze Dryerprecipitates moisture in the compressed air by lowering the temperature of the compressed air. The shelf heating Freeze Dryer(cold dryer) works in the same way as a refrigerator. After the compressed air passes through the frozen compressed air line, the compressed air temperature drops to the required temperature to achieve the drying requirement.
The amount of water vapor in the compressed air is determined by the temperature of the compressed air: reducing the temperature of the compressed air reduces the amount of water vapor in the compressed air while maintaining the pressure of the compressed air substantially constant, while excess water vapor condenses. Into a liquid. The shelf heating Freeze Dryeruses this principle to use refrigeration technology to dry compressed air. Therefore, the dryer has a refrigeration system.

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