Issues with circulating water quality
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What are the effects of using circulating water for cooling without adding fresh water over a long period of time? What effect will it have on the equipment, the pipes, and so on?
There is a corresponding standard: GB 50050-2007 Code for Design of Industrial Circulating Cooling Water Treatment
Yes, as long as there is enough water in the water intake tank
Scale is formed, affecting heat transfer efficiency
It can lead to problems such as an excessively high concentration ratio, including scaling and corrosion of equipment pipes; therefore, when using circulating water, it is necessary to ensure that its quality meets the requirements specified in the GB 50050-2007 Standard for Design of Industrial Circulating Cooling Water Treatment
Water concentration increases, total hardness rises, scaling occurs easily, which affects heat exchange efficiency.
Increased hardness, easier to structure; the use of chemicals may cause corrosion to the equipment
Dude, if you’re not adding water, then you’re not removing water either, right? That’s impossible, doesn’t circulating water evaporate? Doesn’t disperse? Where does the heat go? Heat balance can’t even be considered. Of course, it’s possible to use concentrate instead of fresh water; that’s not a problem. However, it’s difficult to determine the concentration ratio, and if this ratio is too high, problems may arise with the heat exchanger.