Why is Dry Compressing of Air Important?


Today, businesses across various industries are equipped with air compressors. Many of these could be improved in terms of moisture extraction for overall performance.
Vaporized water is present in natural air. After air enters a compressor, the vapour turns into liquefied water. The coldness level that causes this process is called the dew point, and it signifies the amount of drying needed for clean air compression.
Today, the demand for vapour-free air has increased significantly. It has increased after the increase in number of industries that rely on technology.
For industrial applications, compressed air dryers have become one of the most important components. Air drying is of utmost importance because water isn’t self-compressible.
Three common methods for ridding air of vaporized water are as follows:
  • The temperature is brought down and then reheated. While the air is cool, the moisture condensates and can ultimately be drained, after which the reheated air should be moisture-free.
  • The air is over-compressed, reduced in temperature, drained of condensate and returned to its regular pressure. This method is costly and therefore rare.
  • The water is absorbed from the air with a special material that is then discharged from the compressor.
In factories, compressed air must be kept free of moisture at all times throughout the manufacturing process. Not keeping them free of moisture can result in poor performance of pneumatic tools and the operation of motors and valves, all of which can negatively impact the production and the bottom line.
Some of the common problems related to moisture include:
  • Rust or wear and tear of moving compressor parts due to eroded lubrication
  • Domino effects on all functions that rely on pneumatic controls — their rusting or clogging can lead to factory shutdowns and untold financial losses
  • Ice formation in control lines during winter, which can prevent controls from working properly
  • Corrosion of tools that run on gas and air, which can lead to incorrect readings, disruptions or even failures of plant operations
Thus, removing water from compressed air is of utmost importance.

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