Can spray humidification of dry air achieve cooling effect?
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Can spraying humidification into dry air achieve a cooling effect? (reaching a temperature lower than that of air and spray) What is the specific principle? O(∩_∩)OThank you
Yes, the air separation nitrogen water tower sprays circulating water for refrigeration using this principle. After cooling, it is used for circulation in the air cooling tower. The principle is that the partial pressure of dry dirty nitrogen water vapor is low, and the circulating water absorbs heat to form steam that diffuses to the nitrogen side. The water vapor in the dirty nitrogen gas reaches saturation, thus causing the water temperature to drop.
Similar to the principle of gas expansion refrigeration: Gas expands in volume and absorbs heat from the surrounding environment
The humidification section in the air handling unit is an adiabatic cooling process. Through water absorption and vaporization, the water vapor partial pressure of the air is increased to achieve cooling of the air.
1# ouyangever If water is used as the spray source, it can have a cooling effect, but it is impossible to "(reach a temperature lower than both the air and the spray)". The cooling mechanism is that water mist evaporates by absorbing heat.
Gasification and heat absorption can be achieved by the most basic principle of isenthalpic humidification and cooling. Kenduo pharmaceutical factory, paper factory, and cigarette factory all use this system