The 3 Main Differences Between Evaporative Condensers & Cooling Towers

Have you ever heard the saying "like two peas in a pod, but with their own unique twist"? Well, that perfectly describes the comparison between evaporative condensers and cooling towers. Our latest blog makes it as easy as 1, 2, 3 to understand the differences! Industrial evaporative condensers and industrial cooling towers are both heat rejection devices used in various industrial processes to dissipate heat generated during the operation of machinery, refrigeration systems, or other heat-producing equipment. While they share similarities, they serve different purposes and operate under distinct principles.

Image from Genemco.com
Evaporative Condenser:
 


Image from Genemco.com
Cooling Tower:


  1. Purpose:

    • Evaporative Condensers: These devices are specifically designed for cooling and condensing hot refrigerant gases in refrigeration systems. The primary goal is to reject heat from the refrigerant, causing it to condense into a liquid state.
    • Cooling Towers: Cooling towers, on the other hand, are used for cooling water in various industrial processes, such as power generation, manufacturing, and chemical processing. They dissipate heat from water-cooled systems by utilizing the process of evaporation.

  2. Working Principle:

    • Evaporative Condensers: Evaporative condensers use the latent heat of vaporization to remove heat from the refrigerant. Warm refrigerant gas is passed through coils, and water is sprayed or circulated over the coils. The heat from the refrigerant causes the water to evaporate, absorbing the heat and lowering the temperature of the refrigerant.
    • Cooling Towers: Cooling towers cool water through the process of evaporative cooling. Hot water from industrial processes is circulated through the tower, and air is blown over the water, promoting evaporation. As water evaporates, it absorbs heat from the remaining water, reducing its temperature. The cooled water is then recirculated to the industrial processes.

  3. Water Usage:

    • Evaporative Condensers: Typically use less water compared to cooling towers, as their primary function is to cool refrigerant gases, and the water is not continuously circulated.
    • Cooling Towers: Involve continuous water circulation, and a portion of the water is lost through evaporation, drift, and blowdown. As a result, cooling towers tend to use more water than evaporative condensers.

In summary, while both industrial evaporative condensers and cooling towers are involved in heat dissipation through the process of evaporation, they serve different purposes. Evaporative condensers are designed for cooling refrigerant gases in refrigeration systems, whereas cooling towers are used to cool large quantities of water in various industrial processes.