What is a closed-cycle cooling tower? ? ?

Is a cooling tower a device in a closed-loop water system? The coolers and cooling towers of various equipment are used to carry away the liquid produced during production to the cooling towers of the closed-loop water cooling system; there, heat is transferred to the atmosphere through heat exchange with the air, thereby reducing the water temperature, after which the water is circulated back to the cooling equipment. I’m not sure if this is what is meant; for reference only.

Thank you for your helpful answer; it’s fine as long as there’s an image included in the project description

This post was last edited by Wise Ming on 2022-4-3 at 17:02. The closed-loop cooling system for a certain project involves high initial investment, high energy consumption per unit, a short operating cycle, and complex maintenance; compared to open-loop systems, it is said to be able to save 2–3% in water usage. Suitable for areas with scarce water resources.

The project site suffers from a severe water shortage; the original plan relied heavily on air cooling, resulting in an imbalance in power consumption. I heard from the manufacturer that closed-loop cooling towers can save 5% in water usage, so... I was told by the engineers at the Utility Engineering Center that if it were possible to choose another type of system, a traditional circulating cooling water system would be better.

But the image you used shows traditional circulating water systems; where there are fans, there is water consumption

Looking at the lower structure of the cooling tower, it’s completely enclosed.

A closed-type cooling tower features a tubular heat exchanger placed inside the tower; the cooling effect is achieved through heat exchange between the flowing air, the spray water, and the circulating water. Thanks to its closed-loop system, it prevents water quality from being contaminated, thereby ensuring the efficient operation of the main equipment and extending its service life. A stainless steel cooling tower is a device that absorbs heat from a system and releases it into the atmosphere in order to lower the water temperature ； It is an evaporation cooling device that utilizes heat exchange between water and moving air to generate steam; the evaporation of this steam carries away heat, thereby enabling cooling through evaporation, convection, and radiation. This mechanism is used to dissipate excess heat generated in industrial processes or in refrigeration and air conditioning systems, thus reducing water temperature and ensuring the proper operation of the system. The device usually has a barrel-shaped design, which is why it is called a cooling tower.

This is an open-type cooling tower. Open and closed types are mainly determined by whether the lower part is sealed.

After reading the description ---------------------------- it seems to work on the same principle as an air-cooled island, only on a smaller scale; water spraying is used for cooling. Does such a closed system result in higher energy consumption for the fans? ? ?