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Discussing Coolers in HVAC
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- Опубліковано 16 бер 2024
- I am at AHR in Chicago discussing dry coolers with Nimbus. Dry coolers are a alternative to wet coolers aka cooling towers. Many cities are moving away from cooling towers due to health risk and water usage. There have been many challenges with climate conditions for dry coolers. They are not a one size fit but the designs have started improving to be a more sustainable option.
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This isn't a scalable method, and I would say probably more labor intensive than he's leading on. Water quality is a huge problem and I say this from experience. I work at a very large enterprise data center and we use evaporative cooling and the spray bar method was used on initial designs and quickly discontinued due to clogging issue and the cost of maintaining the water quality of the industrial water. We now use media filters similar to giant humidifier pads you see in your whole house humidifiers but 20 feet tall and 2 feet thick. Even with these water quality is an issue, too softened and it will erode the pads prematurely too little and they foul with scale. To control the scale you must temper the PH, if it's not right , the medial will erode and sluff off or slump. The industrial water must have biocides, UV treatments or algae plumes will occur, and on top of that you can't use caustic cleaning on these coils? I would say , keep dry coolers, dry coolers and have a valve to switch over to a cooling tower, expensive at scale, but there are other options depending on the tons of cooling needed, econophase Liebert units that sorta use a dry cooler in a way by physically pumping the refrigerant during an economizer phase but then going full mechanical DX when needed.
Nice information thank you
Here in Germany almost nobody is using cooling towers anymore. We‘re building Adiabatic systems in huge scale, up to many mW cooling capacity. Modern designs don’t suffer from calcium buildup. I would consider the adiabatic cooler in the video very basic, as the US is really lacking behind this development away from open cooling towers
This is pretty much a closed circuit cooling tower without a sump
Misting water on anything you want clean is simply stupid….. Have yet, in 22 years, to meet a water treatment company that knows wtf they’re doing
Oh my God, this guy is talking out of his ass