Water-cooled refrigerated air dryers are machines that take out moisture from compressed air systems used in industries. These machines use cold air to remove water from wet air, and then take the water out of the machine.
The first step is when the compressor takes in air and makes it shrink, which squeezes it more tightly and makes it hotter. The squeezed air goes through a machine that makes it colder to the right level. The air gets colder and goes through a machine that makes it even colder than before. This helps the air become less wet.
The fridge has four parts - a compressor, a condenser, an expansion valve and an evaporator. The air gets very cold when it goes through a special machine called the evaporator. This machine has a special liquid inside it called R-134a that makes the air cold. The refrigerant takes the heat from the compressed air and turns it into water droplets that are drained out of the system.
The cold and dry air is warmed up again so that water droplets don't form later on in the pipes that carry the air. Usually, either a machine called a heat exchanger or something called an electric heater is used to do this. The dry and squished air is all set to be used for different things like air-powered tools, painting or wrapping things up.
Water-cooled air dryers that cool air and reduce humidity have more benefits compared to other kinds of air dryers. These dryers can make the air very dry compared to others, which is good for purposes that need extremely dry air. They don't use as much energy as other types of dryers, which makes them cheaper to run.
But water-cooled air dryers that chill the air also have problems. They need water all the time to stay cool, but this might be difficult in some places. They need to be cleaned and have their air and water filters changed regularly to work their best.
Water-cooled air dryers are a good way to get rid of moisture from compressed air systems. They work well and are effective. They are popular in industry when it is important to have dry air because they can make the air very dry and use very little energy.
Lingyu Machinery - 2~10C dew point refrigerated compressed air dryer
