The difference between suction dryer and cold dryer

In industrial production, the drying treatment of air compressor is an indispensable part. Among them, the suction dryer and the cold dryer as two common drying equipment, each has its own characteristics and advantages. However, for the water-lubricated screw air compressor products produced by Shanghai Granklin Group, it is particularly important to understand the difference between these two types of drying equipment.

First of all, from the working principle, the cold dryer mainly uses the refrigerant to exchange heat with the compressed air to reduce the temperature of the compressed air below the dew point, thereby removing the moisture. This method is simple and direct, but the cooling effect is greatly affected by the ambient temperature, and the drying degree of compressed air is limited. The suction dryer is through the principle of pressure swing adsorption, the use of desiccant to absorb the moisture in the air, to achieve the effect of deep drying. This method requires higher performance of the desiccant, but the drying effect is more thorough.

For the water-lubricated screw air compressor products produced by Shanghai Granklin Group, due to its advanced water lubrication technology, no lubricating oil is required, so the compressed air itself is relatively pure. However, in order to further improve the drying degree of compressed air, the suction dryer has become an ideal choice. Through deep drying, the suction dryer can ensure that the moisture content in the compressed air is extremely low, so as to meet the needs of high-precision and high-demand industrial production.

In addition, from the perspective of energy consumption and environmental protection, the suction dryer has lower energy consumption and less pollution emissions than the cold dryer. This is because the suction dryer only through the electric control box to control the valve, without heat exchange through temperature changes, so the power supply power is low, power loss is also less. At the same time, because the desiccant filled in the dryer can be recycled, it also reduces the generation of waste.

To sum up, the suction dryer and the cold dryer have their own characteristics and advantages. For the water-lubricated screw air compressor products produced by Shanghai Granklin Group, the choice of suction dryer for drying can further improve the drying degree and quality of compressed air and meet the high-precision and high-demand industrial production needs.