What is the purpose of an evaporative cooling humidifier?

What is the purpose of an evaporative cooling humidifier?

The USI Italia energy-efficient humidification and cooling system was created in response to two fundamental requirements that need to be met during an application process in a painting facility:

  • The need to ensure a relative humidity level appropriate to the paint application process (generally in the range of 40% to 60%)
  • The need to lower the temperature inside the application site and create better working conditions

 

What is the purpose of an evaporative cooling humidifier?
How does a humidifier work and what does it look like?
How does a humidifier work and what does it look like?

Evaporative cooling, better known as adiabatic cooling, is a natural phenomenon that takes place when water is absorbed by the air and evaporates, causing the air temperature to drop.

The USI Italia humidification kit is therefore integrated in the air inlet duct between the thermo-ventilating unit and the application booth and consists of:

  • A reinforced, yet easily serviceable stainless-steel frame
  • Non-combustible evaporative pads with a low pressure drop (since they allow air to pass through the panel at high speed without encountering excessive resistance) and that can be replaced laterally.
  • A humidity sensor
  • Software specially designed by USI Italia for the intelligent regulation of the solenoid valve that  releases water onto the buffers and through the air that subsequently enters and passes though the booth.

Efficiency of the Evaporative Cooling Humidification Kit
Efficiency of the Evaporative Cooling Humidification Kit

If we consider the fact that the evaporation of water into air requires energy (0.68 kW per liter of evaporated water) we can see that a humidification system represents a viable alternative to expensive air conditioning systems and therefore, is an efficient way to remove excess heat and reducing operating costs; and all achieved  through the use of water.

 

Efficiency of the Evaporative Cooling Humidification Kit
Advantages and benefits of USI Italia humidifiers
Advantages and benefits of USI Italia humidifiers

The advantages of an adiabatic cooling system can be summarized as follows:

  • Lower energy costs compared to electric cooling
  • Short amortization period
  • Low maintenance and speedy by being cleaned onsite
  • Low operating costs
  • Sustainability
  • No water treatment required, with tolerated of pH levels 3-10

 

Compatibility of the cooling and humidification system kit with all Booths and Cargo
Compatibility of the cooling and humidification system kit with all Booths and Cargo

Even though this cooling method is still relatively unknown, it has great potential and will be used more and more in the future.

USI North America’s  customers who install cooling and humidification systems in painting facilities are customarily active in the car refinishing sector, but we have also completed several installations for the naval and aeronautical industries.

Contact USI Italia for more information on how to save costs with adiabatic cooling in both small and industrial painting facilities.

 

Compatibility of the cooling and humidification system kit with all Booths and Cargo

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