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MeeFog pre-cooling systems need minimal maintenance. Inlet water filters should be replaced periodically, and any water treatment equipment needs routine service. The high-pressure pumps are water-lubricated, multi-stage centrifugal units designed to run for many years with little maintenance.
MeeFog pre-cooling systems can operate automatically based on ambient temperature. For example, in a two-stage setup, the first stage turns on above 85°F (30°C), and the second stage turns on above 90°F (32°C). You can adjust set-points using climate data or process needs. Some systems also control based on the cooled fluid temperature leaving the heat exchanger, optimizing indirect evaporative cooling even further.
The water should have low levels of calcium and magnesium since these minerals can form a hard scale that is difficult to remove from the heat exchanger fins. Mee Industries can help design a water treatment system that will provide long life and minimal maintenance.
Yes. MeeFog systems can be easily retrofitted to existing air-cooled heat exchangers.
MeeFog controls fog droplet sizes using precision high-pressure nozzles. Small, uniform droplets stay suspended in the air, supporting effective indirect evaporative cooling. Small droplets matter because they expose more water surface to air.
Faster evaporation cools the air more efficiently and reduces water loss. Larger droplets drip off the heat exchanger before evaporating, wasting water and lowering cooling performance. Smaller droplets save water and improve overall cooling efficiency.
MeeFog pre-cooling systems can be designed to provide several stages of cooling. For instance, a system capable of 10 °F of cooling can be designed with two indirect evaporative cooling stages of 5 °F each. This allows you to do only as much cooling as is needed, thereby conserving water usage.
Indirect evaporative cooling allows the condenser to release heat more effectively, which makes the chiller more effective on a hot day.
On a hot afternoon, our pre-cooling helps heat exchangers cool down by 30°F (17°C) or more in an arid climate, at least 20°F (11°C) in a temperate climate, and at least 10°F (5.6°C) in a tropical climate.
Heat exchanger pre-cooling consists of cooling the air flowing to the heat exchangers to improve their performance on a hot day. MeeFog systems atomize water to create a fog of liquid water droplets that evaporate and cool the air.