The air in the conventional atmospheric environment contains a certain amount of water vapor. When the air is compressed, the concentration of water in the same volume will increase, but the total amount of water vapor that can be loaded is unchanged. Then the water vapor that exceeds these air bearing capacity will be condensed into liquid water.
In order to avoid compressing air analysis of condensation water, which causes ice blocking or corrosion of compressed air pipe roads, the cooler and drying equipment need to be used to deal with wet air. The adsorption dryer uses the characteristics of activated alumina, molecular sieve, and silica gel can absorb water to achieve the purpose of removing moisture in compressed air.
Activated alumina JZ-K1 , strong pressure resistance, static water adsorption can reach more than 17%, and it is not easy to bloating after water absorption to saturation. It is widely used in the dry air drying industry.
For general devices with dew points, it is recommended to fill the activated alumina K1. However, if the dew point requirements are higher, for example, if the pressure dew point requires below -40 ° C, it is recommended to perform a combined loading, because the K1 has strong pressure resistance, it is recommended to fill in the air inlet position, which can reduce the powder of the adsorbent powder. Maybe, for example, JZ-K1 and stronger adsorption performance activated alumina JZ-K2 combination loading; can also be composed of JZ-K1 bonus molecular sieves; or activated alumina plus molecular sieve and silica gel for combination loading, which can be obtained Product gas from -40 ° C to -80 ° C.
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