Today’s PET dehumidification dryer equipment plays an important role in the plastics industry. In order to improve product quality, humidity must be controlled. Small changes in relative humidity can also produce mold. The growth of mold is mostly caused by condensation and freezing, etc., and humidity Other related problems are caused by different types of mold depending on the relative humidity of the product, but when the relative humidity reaches 70%, it will seriously cause the mold to double.
PET desiccant dryer
In the use of PET desiccant dryer, the air in the environment is first sucked with a low dew point to remove the moisture in the air, and the heated and dried air is transported to one or more standard drying hoppers, which can improve the drying efficiency and shorten the drying time. If you use humid outside air to dry the material, the hot fan will not get the drying effect. In addition, when the plastic is taken out of the moisture-proof sealed packaging bag and exposed to the atmosphere, it will begin to absorb moisture from the atmosphere. The hot fan cannot prevent the plastic from continuously absorbing moisture, and the drying effect is poor.
Since the use of PET dehumidification dryer is divided into single type and centralized type, the single type pet dehumidification dryer is suitable for a small amount of drying, and has the advantages of good drying efficiency and easy rapid replacement of materials. The centralized PET dehumidification dryer includes drying The main body of the machine and multiple drying tanks. Each drying tank has an independent heating controller, which can dry a variety of different raw materials at the same time. With the air volume control valve, the air volume of each drying tank can be controlled, which is suitable for the production of a large number of plastics. Because many engineering plastics are hygroscopic, they begin to absorb moisture from the atmosphere when they are taken out of the moisture-proof sealed packaging bag and exposed to the atmosphere.
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