The dryer is designed to remove moisture from compressed air using a drying material inside two alternating towers. The drying material is regenerated by heated external air, which is driven by a blower, reducing compressed air consumption during the regeneration process. This method improves efficiency and reduces costs.

This dryer is capable of achieving a low dew point, reaching up to -40°C, making it ideal for industrial applications that require a very dry environment, such as the pharmaceutical and electronics industries. The operating principle of the device relies on a precise moisture absorption property through capillary action, which helps reduce pressure and effectively absorb moisture.

The device typically consists of two cylinders that alternate under the control of a programmer, with each cylinder undergoing absorption, desorption, and regeneration phases in a continuous cycle, ensuring consistent and efficient performance.