A system or piece of equipment called an air drier is used to remove moisture from the air, significantly compressed air. The relative humidity of ambient air is usually between 30 and 50%. However, air that has been compressed has more moisture in a smaller volume. As a result, the surplus moisture that cannot be retained condenses, raising the relative humidity to 100%.
The high moisture content of air harms plant performance
and the dependability of equipment downstream. It may cause equipment corrosion,
early instrument failure and wear, contaminating the process stream, and other
issues.
Moisture removal is needed for various processes, not just
air compression. Dewatering, baking, industrial drying, food dehydration, steam
heating, and cleaning are a few other industrial and manufacturing techniques
that make it easier to remove water. These procedures require various dryers,
primarily employed to eliminate moisture from a product or mass to render it
dry, solid, and pure.
The air dryer manufacturers used in these applications to transfer heat use the
fundamental concepts of conduction, convection, and radiation. Air drying
differs from other methods of removing moisture because it uses cooling,
adsorption, absorption, diffusion, and filtration.
Removes water
contamination-
In high-purity compressed air-using industries, including
laser cutting and welding, plasma generation, microelectronics manufacturing,
the production of food and pharmaceutical products, shot blasting, painting,
and coating, water contamination is a significant issue. Using compressed air
differently can have different impacts on water and other pollutants. As an
illustration, consider laser cutting, which uses air to cool the resonator,
which produces intense light beams. Using water-contaminated air reduces
cooling efficiency, which causes overheating and energy loss.
Prevents water
build-up-
In high-purity compressed air-using industries, including
laser cutting and welding, plasma generation, microelectronics manufacturing,
the production of food and pharmaceutical products, shot blasting, painting,
and coating, water contamination is a significant issue. Using compressed air
differently can have different impacts on water and other pollutants. As an
illustration, consider laser cutting, which uses air to cool the resonator,
which produces intense light beams. Using water-contaminated air reduces
cooling efficiency, which causes overheating and energy loss.
Abate's corrosion-
Steel surfaces may corrode if water is present inside of
the apparatus. Internals of mixing equipment such as pipes, tanks, drums, and
containers can collect water from the condensation of saturated air. This might
encourage corrosion on the equipment's inside surfaces, contaminating
the product or process stream.
Prevents freezing-
In compressed air systems, precipitated water can freeze.
They can jam the moving parts of pneumatic actuators for valves and measuring
equipment. The accumulated water on process lines freezes and can obstruct the
product or process fluid flow.
Improves efficiency of air-powered or pneumatic equipment-
Compressed air powers air motors or turbines in air-powered
tools and machinery. Pneumatic grinders, drills, jackhammers, etc., are
examples of these. These devices' internals may become fouled with water, which
reduces the power the air motor can deliver.
