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Factors affecting the best drying efficiency of desiccant dryer

Source: Popularity:2790 Publication time:2017-11-23 16:43:51 smallmiddlebig

With the continuous development of the injection molding industry, the traditional hot air drying system has been replaced by the better drying dehumidification dryer. Its short drying cycle compared to the traditional way, the effect is more obvious, more able to accelerate the pace of industrial production, injection molding industry is an indispensable equipment. However, in the process of using a dehumidifying dryer, the drying efficiency may sometimes be affected by a number of factors, resulting in its drying efficiency being not particularly good. Last Hengrong technicians also shared the working principle and classification of dehumidifying dryer for everyone, now we introduce the factors that affect the best drying efficiency of dehumidifying dryer:


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1. Drying time:
Refers to the need to dry the material before molding pre-drying time, to customize according to reasonable drying time required for drying the raw material, the drying time is too short will cause excessive material moisture content of the phenomenon, not the purpose of drying, and the drying time is too Long will result in caking or deterioration of raw materials, a great waste of energy.

2. Drying temperature:
The temperature of the air entering the drying bucket is the drying temperature, and the drying temperature has a certain limit, because if the temperature is too high, some additives in the raw materials will volatilize, deteriorate or agglomerate, while too low will make certain crystallinity Raw materials can not reach the required drying conditions, there is the choice of insulation dry insulation, to avoid loss of drying temperature, resulting in insufficient drying temperature or energy waste.

3. Drying air volume:
Is the only medium that can take away the moisture in raw materials is the amount of dry air, the amount of air volume affect the dehumidification effect is good or bad. Air flow might cause the return air temperature is too high, resulting in overheating and affect the stability of the dew point of the air volume is too small you can not completely take away the raw material moisture, air flow is representative of desiccant dehumidification capability.

Dew point temperature:
Is the unit that measures the degree of drying or wetting of a gas when the gas cools to the temperature at which the contained moisture condenses into drops of water. The less moisture in the gas is, the lower the dew point temperature is. Generally can reach -40 ℃ dew point temperature is a good dehumidifier dryer dew point. Dehumidifier most of the engineering plastics with hygroscopicity, when the plastic moisture-proof sealed bags removed from exposure to the atmosphere, that is, began to absorb moisture from the atmosphere, if the general traditional hot air drum dryer, because Therefore, the outer air with moisture to dry the plastic, it can not prevent the plastic to continue to absorb moisture. With the widespread use of engineering plastics, plastic desiccant dryer / has gradually replaced the traditional hot air dryer.

What is the best drying efficiency that affects desiccant dryer? Share it today. In addition Xiaobian remind everyone in order to maintain the best working condition dehumidifier, should always clean, keep clean.


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