| 什么是压缩空气冷冻式干燥机 |
| 添加时间：2017/5/17 18:02:41 浏览次数： |
| 什么是压缩空气冷冻式干燥机？ What is a compressed air cooling dryer? 答：冷冻式干燥机，简称为冷干机，是压缩空气后处理系统中使用最普遍的除水干燥设备。它利用湿空气在压力保持不变情况下，其湿含量（mg/m3）随温度降低而下降的原理，运用制冷技术，将压缩空气温度降低，迫使其中的水蒸汽和油蒸汽凝聚成液态水和油，然后再将压缩空气升温以降低本身相对湿度，输送到用气管网中去，使用户获得适合需要的干燥空气。 A: cryogenic dryer, or cold drying machine, is the most common desiccant device used in compressed-air reprocessing systems. It used wet air under the condition of constant pressure maintenance, and its moisture content (mg/m3) with the temperature decrease in principle, using refrigeration technology, the compressed air temperature is reduced, forcing the water vapor and oil vapor condenses into liquid water and oil, and then the compressed air in order to reduce the relative humidity in itself, to the gas pipe network, users get used to the dry air. 由于冷冻式干燥机运行过程中，内部有大量凝结水出现，其工作温度必须高于水的冰点，因此冷却温度不能很低。现代工业用冷冻干燥机的名义露点约为2~10℃，换算成大气压露点大约为—17~20℃（0.7MPa时）。 Because of the freezing drying machine, the temperature must be higher than the freezing point of water, so the cooling temperature can't be very low. Modern industry with the name of the freeze dryer dew point is about 2 ~ 10 ℃, converted to atmospheric pressure dew point is about - 17 ~ 20 ℃ (0.7 MPa). |
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