The air pipeline of the desiccant dryer adopts a closed circulation system, which can not be affected by the external weather, and the material can be dried well in dry or humid days without reversing moisture. The filter installed in the desiccant dryer can prevent dust leakage from causing pollution in the factory and keep the air environment clean.
1. Principle:
The dehumidification dryer refrigeration system (compressor, evaporator, condenser) reduces the temperature of the surface cooler below the dew point temperature of the air, and a fan draws moist air into the machine to exchange heat with the surface cooler. The humid air is When the water vapor is condensed and formed into water droplets, it is discharged out of the body or into the water tank in the body, and dry air is discharged into the room. This circulation reduces the indoor humidity, and the humid space achieves a dry effect.
Industrial dehumidification dryers can also choose temperature-regulating dryers, which can adjust the temperature by themselves according to the degree of dryness of the product. Heavy-duty industrial dehumidification dryers are general but there are also general air dehumidification dryers for drying.
2. Classification of dehumidification methods of desiccant dryers:
1. Compression dehumidification
Compress and cool moist air to separate its moisture. Effective in small air volume occasions, but not suitable for large air volume.
2. Dehumidification by adsorption wheel
The thin plate impregnated with moisture absorbent is processed into a honeycomb wheel for ventilation.
3. Cooling and dehumidification
Cool the air to below the dew point and remove the condensed moisture. Effective when the dew point is above.
4. Liquid absorption dehumidification
A spray of lithium chloride aqueous solution is used to absorb water. The dew point can be lowered to about, but the equipment is larger and the absorbent must be replaced.
5. Solid adsorption dehumidification
Capillary action is used to adsorb water on the solid moisture absorbent. The dew point can be reduced, but the equipment becomes larger when the adsorption area is large.
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