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Working principle of nitrogen dryer


At present, in the production of optical grade lenses, in order to enhance transparency, manufacturers usually use PC as the processing material. However, when using conventional dryer to dry PC raw materials, in -& NBSP; - at high temperature,  PC raw material is easy to yellowing due to oxidation, resulting in increased product defects. Although the drying operation with a dehumidifier will play an improved role, but to effectively avoid this problem needs to be solved from the root。

Nitrogen dryer arises at the right moment. It can dilute oxygen in the drying barrel by controlling the high concentration nitrogen produced by the host machine, so that the oxygen E gas in the drying barrel becomes very little, and avoid the phenomenon of oxidation and yellowing of raw materials when drying at high temperature. At the same time, because the moisture content of high-concentration nitrogen is extremely low, the drying effect will not be affected under the condition of high ambient humidity. Built-in nitrogen production equipment, only need to access compressed air to produce the required nitrogen, nitrogen concentration up to 99%; At the same time, the machine is equipped with nitrogen concentration display, which can monitor the nitrogen concentration change in real time and adjust the nitrogen concentration according to the demand.

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