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How does an effective plastic dryer work?

2023-10-30 08:47:51
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Plastic dryers are a common industrial equipment used to remove moisture from plastic particles to ensure the stability of the quality of molded products and the stability of plastic processing. The working principle of an effective plastic dryer involves a series of steps and parameters, which are described in detail below.



First, plastic dryers usually use hot air circulation systems for drying. The system includes fans, heaters, temperature sensors and humidity sensors. The fan provides a constant flow of air, carrying moisture away and keeping the plastic particles fully dispersed.



Secondly, the heater is the core component of the plastic dryer. Through the heater, the air is heated to a set temperature to accelerate the evaporation of moisture. The drying temperature of hot air is usually between 60℃ and 200℃. The temperature depends on the type of plastic and the moisture content. The temperature sensor is used to monitor the temperature of the heater and adjust it according to the set temperature control system.



At the same time, humidity sensors are used to monitor the moisture content of plastic particles. The humidity sensor determines the moisture content by measuring the difference in the humidity of the air entering and leaving the plastic dryer. When the moisture content exceeds the set range, the control system will automatically adjust the temperature of the heater and take the moisture away through the fan to keep the plastic particles dry.

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In addition, the plastic dryer is equipped with a filtration system to remove impurities and foreign bodies from the plastic particles. The filtration system usually includes a filter and a cleaning system. The filter is mainly used to block impurities from entering the heater and fan of the plastic dryer to ensure the stability and safety of the drying process. The cleaning system can clean the filter regularly to maintain the filtering effect.



In addition, plastic dryers also have certain drying time and capacity limitations. Drying times vary depending on the type of plastic and moisture content. Generally, the drying time is between 2 hours and 8 hours. The capacity limit refers to the amount of plastic particles that can be processed in each drying batch. Different types of plastic dryers have different capacities, generally in kilograms.



Finally, an effective plastic dryer also requires the operator to use it in accordance with the correct operating process to ensure the stability and safety of the drying effect. The operation process usually includes turning on the power supply, setting the temperature and humidity parameters, loading the plastic particles, starting the equipment, observing the drying process, and turning off the equipment in time after the drying is finished.



In general, effective plastic dryers are achieved by working together with a variety of components such as hot air circulation systems, heaters, humidity sensors and filtration systems. It can evaporate the moisture in the plastic particles and maintain the dry state of the plastic, thus ensuring the stability of the plastic processing and the stability of the quality of the molding product. The effective operation process and the correct use method are also the key to ensure the drying effect.



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