Evaporative cooling chiller

An evaporative chiller utilizes the principle of water evaporation to absorb heat and is a type of high-efficiency refrigeration system. This system integrates the condenser and cooling tower, using the evaporation process to remove the condensation heat, thus completing the refrigeration cycle.

During operation, the circulating water forms a uniform film on the outside of the condenser tubes. After sufficient contact with the air, it partially evaporates, thereby lowering the temperature of the refrigerant within the tubes and causing it to condense. This system reduces cooling water usage and is suitable for operating conditions with limited water resources or high ambient temperatures. Some models can be equipped with a variable frequency drive (VFD) to dynamically adjust the fan and pump speeds based on load.

Evaporative chillers typically utilize a modular structure for easy installation and maintenance, with clear system partitions and independently accessible component interfaces. The unit casing is often coated with a corrosion-resistant coating, and the internal piping layout balances thermal efficiency and easy maintenance. This type of chiller is suitable for medium- to large-scale commercial buildings, data centers, and industrial refrigeration applications. Its operating characteristics focus on achieving long-term energy efficiency with a reasonable initial investment.