Adsorption dryer type
Adsorption dryer classification method is more than one, common is according to adsorbent regeneration way to classify, divided into no heat regeneration adsorption dryer, heat regeneration adsorption dryer two categories. In addition, it can be classified according to the structure characteristics of adsorption dryer, according to the structure can be divided into two tower adsorption dryer, module adsorption dryer, mold core adsorption dryer, combined dryer and other four categories, among which the mold core adsorption dryer is called the third generation adsorption dryer.
The working principle of adsorption dryer is basically the same. By filling the adsorption cavity with the molecular attraction and adsorption force of the adsorbent itself, the gas or liquid water molecules in the compressed air can be absorbed to the surface of the adsorbent to make the compressed air dry. Adsorbents can be regenerated by removing the absorbed water.
Adsorption dryer features
Two-tower adsorption dryer and combined dryer adopt two pressure vessel tanks with large volume as the adsorption module. The large space inside the tank leads to uneven airflow distribution. The flow of compressed air in the middle part of the inlet and outlet is concentrated, making the adsorbent in the middle part saturated too quickly. Large volume, unstable performance, high energy consumption (industry recognized gas consumption > 14%), through a large number of field tests show that the actual treatment dew point is between -10℃~+25℃, far from meeting the requirements of the plant on the quality of compressed air.
In view of the structural defects and the instability of the performance of the dual-tank (tower) adsorption dryer on the market, the modular adsorption dryer has been greatly improved in appearance, structure and adsorption performance.
A lot of improvements have been made in the structure of the traditional adsorption dryer, and the new adsorption drying technology and instantaneous discharge technology have been combined to make the adsorption dryer adsorbed more efficiently, the outlet pressure dew point more stable and the equipment structure more compact.