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  • 冷干机和吸干机的不同点有哪些
  • 本站编辑:杭州天源气超滤设备工程有限公司发布日期:2018-04-16 15:58 浏览次数:
压缩空气凭借其安全、方便的特点,在现代工业里得到越来越普遍的应用。现代工业要求的高可靠性和文明生产也使得越来越多的客户需要得到无油无水无尘的净化压缩空气。而压缩空气要净化就要耗能,净化设备中耗能最大的是空气干燥器。空气干燥器有吸附式干燥器和冷冻式干燥器两大类,冷冻式干燥机与吸附式干燥机的不同之处是什么呢?
Compressed air has been applied more and more widely in modern industry for its safety and convenience. The high reliability and civilized production required by modern industry also make more and more customers need oil free, clean and clean compressed air. The compressed air must be cleaned and energy consumed. The largest energy consumption in the purification equipment is the air dryer. There are two main categories of air dryer: adsorption dryer and refrigerated dryer. What is the difference between refrigerating dryer and adsorption dryer?
 
1工作原理上的不同
1 different working principles
 
冷干机是根据冷冻除湿原理,将来自上游的饱和压缩空气通过与冷媒的热交换冷却到一定的露点温度,凝析出大量的液态水,经气液分离器分离后自动排出机外,从而达到除水干燥的目的。吸干机则是根据变压吸附的原理,将来自上游的饱和压缩空气在一定的压力下经过与干燥剂的接触,将绝大部分的水份吸附在干燥剂里,干燥空气进入下游工作,从而达到深度干燥的目的。
The cold drying machine is based on the principle of freezing dehumidification. The saturated compressed air from the upstream is cooled to a certain dew point temperature through the heat exchange with the cold medium, and a large amount of liquid water is precipitated. The separator is discharged automatically after the separation of the gas liquid separator, so as to achieve the purpose of water desiccation. The drying machine is based on the principle of pressure swing adsorption. The saturated compressed air from the upper reaches is exposed to the drier under certain pressure. Most of the water is adsorbed in the desiccant, and the dry air enters the downstream work to achieve the purpose of deep drying.
2除水效果上的不同
2 the difference in the effect of water removal
 
冷干机因为受到其原理的制约,如果温度太低的话会出现结冰现象,所以其的露点温度通常在2~10℃。吸干机则因为无须通过温度变化,而干燥剂(氧化铝)则又可以进行深度干燥,所以通常其出口的露点温度可以达到-20℃以下,也就是说可以达到深度干燥。
Because the cold and dry machine is restricted by its principle, if the temperature is too low, it will appear ice phenomenon, so its dew point temperature is usually at 2~10 C. The drying machine is not required by the temperature change, and the desiccant (alumina) can be dry in depth, so the dew point temperature of the outlet is usually below -20 C, that is to say, it can reach the depth of drying.
3能量损耗上的不同
3 differences in energy loss
 
对于冷干机来说,因为要通过冷媒压缩作功方可达到冷却的目的,所以在电源功率上会偏高。而吸干机因为只要通过电控箱对阀门进行控制而已,所以通常用电功率只有几十瓦左右,也就是说不会有什么电量上的损耗。
For a chill dryer, the power supply can be cooled by refrigerant compression, so the power supply will be higher. And the suction machine because only through the electronic control box to control the valve, so the power is usually only a few watts or so, that is to say, there will be no electricity loss.
 
4气量损耗的不同
Difference of 4 gas loss
 
因为冷干机是通过变温来达到除水的目的,水份又是通过自动排水器排出机外,所以没有气量的损耗。而吸干机则因为干燥剂在吸水饱和后需要再生,因些需要有6%左右的再生气损耗。但是,江苏嘉宇出品JRR系列余热再生吸附式干燥器利用了空气压缩时产生的余热来完成吸附剂的再生,使得加热再生时不耗费压缩空气,在冷吹时只消耗1%的干燥压缩空气,几乎达到了零气耗的标准。
Because the cold drying machine achieves the purpose of removing water by changing the temperature, and the water is discharged through the automatic drainer, so there is no loss of gas volume. The drying machine needs desiccant because it needs regeneration of 6% or so.  However, Jiangsu Jiayu product JRR series waste heat regenerative adsorption dryer uses the residual heat generated by air compression to complete the regeneration of adsorbents, making the heating regeneration no compressed air and only 1% dry compressed air during the cold blow, almost reaching the standard of zero gas consumption.

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