Is It True That The Outlet Temperature of The Cold Dryer Must Be As Low As Possible?

                            What is the Outlet Temperature Of The  Cold Dryer?

 The cold dryer is an important component in the air compressor system. According to the corresponding relationship between the saturated vapor pressure and temperature of water, the refrigeration device is used to cool the compressed air to a certain dew point temperature, precipitate the moisture contained in it, and discharge the water through the air-water separator and the electronic drainer to obtain dry compressed air for use by the back-end equipment.

Since the cold dryer removes water by cooling the compressed air, many users think that the lower the outlet temperature of the cold dryer, the better, or the greater the temperature difference between the inlet and outlet of the cold dryer, the better. Is this actually the case?

So when choosing a cold dryer, the outlet temperature is not necessarily the lower the better. It needs to be selected according to different working conditions. The size of the heat exchanger, the inlet temperature, and the inlet pressure will affect the outlet compressed air temperature.

1. When the hot air is cooled and dehydrated, the compressed air is saturated and its relative humidity is very high. When the relative humidity is high, the possibility of rusting the pipe will increase;

2. If the outlet pipe temperature is too low, condensation will occur on the outer wall.

Therefore, in the use of the cold dryer, it is not necessary to blindly pursue a low outlet temperature. What we need to pay attention to is the value of the evaporation temperature (reflecting the dew point of the cold dryer). On the basis of ensuring the evaporation temperature, the smaller the inlet and outlet temperature difference of the cold dryer, the more fully the cold capacity is utilized, and the lower the relative humidity value of the outlet air. This not only saves energy for the cold dryer, but also effectively protects the user's gas pipeline.

MUCHENXING cold dryer adds a precooler to the system configuration. The hot and humid compressed air entering the cold dryer and the cooled and dry compressed air coming out of the evaporator exchange heat in the precooler, which not only effectively reduces the load of the evaporator, but also increases the outlet temperature, thereby reducing its relative humidity to below 50%, avoiding the occurrence of corrosion of the air pipeline, and also preventing condensation on the outer wall caused by the outlet pipe temperature being too low.

MUCHENXING is a manufacturer specializing in the production of screw air compressors and dryers. For many years, it has been committed to providing customers with high-quality, high-precision, high-stability, energy-saving and environmentally friendly air compressor post-processing equipment. At the same time, it can also provide customers with technical services such as installation and commissioning of supporting equipment. The company has a group of experienced technical personnel. From product design, material selection to process manufacturing, there are professional personnel who strictly control to ensure product quality. Welcome to visit the factory for negotiation with air compressor colleagues in need!https://www.mcxcompressor.com/aboutus.html