The pressure dew point refers to the temperature at which the compressed air reduces the temperature under a certain pressure while keeping the partial pressure of water vapor unchanged, so that it reaches a saturated state.
The "dew point temperature" when the air pressure is 1 atmosphere is called "atmospheric dew point" or "atmospheric pressure dew point".
The refrigerated dryers, combined double-tower dryers, and zero-air consumption dryers that are commonly used in the market cannot meet the compressed air quality requirements of various gas-using equipment and process manufacturing. The worse the effect, the more water content of the compressed air, resulting in an immeasurable loss to the entire air source system.
Reasons for the unqualified dew point of the dryer outlet:
1. The dew point of the dryer outlet is too high
2. Exceed the maximum flow value and exceed the planning conditions, when equipping the adsorption dryer, it should be planned according to the air compressor exhaust volume and operating flow.
3. The desiccant has no adsorption effect, and the filter element needs to be replaced
4. There is no pretreatment to remove liquid water before the airflow enters the dryer. Liquid water pretreatment should be performed before the compressed air enters the dryer. Otherwise, the adsorption capacity of the adsorbent will be exceeded, and the adsorbent will lose its adsorption effect after saturation.
5. The service life of the dryer has ended
The compressed air dryer is the main component of the compressed air system. Common compressed air dryers include refrigeration dryers and adsorption dryers. Biteng core dryer is an upgraded version of the two, which can completely solve the problem of water content in compressed air, help enterprises to improve the quality of compressed air, and then improve the production process and reduce production costs.
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