Armstrong Cool-Fog® Systems

Description

How foggers operate

Armstrong Cool-Fog Systems use both compressed air
and pressurized water to achieve atomization. Pressurized water is
injected in the discharge orifice of a compressed air system. As the
compressed air is discharged through an orifice, the air’s potential
energy is converted to kinetic energy, which is imparted to the injected
water.

The rapidly moving mixture experiences pressure
fluctuations and eddy currents, which break up the water stream into
atomized water particles. The mixture of atomized water and expanding
air is discharged through an orifice and deflected off a resonator tip,
which further reduces the water particle size and spreads the atomized
water and air mixture. (See drawing.) The final product is fog.

Armstrong currently manufactures and markets the following systems for environmental-control applications:

  • Cool-Fog Systems
    (CF) for use with potable or reverse osmosis purified water in
    commercial and industrial applications. All wetted parts are stainless
    steel, brass or copper.
  • Pure Fog Systems (PF) for use
    with de-ionized water in clean rooms, laboratories, semiconductor
    facilities and other ultra-clean industrial applications. All wetted
    parts are stainless steel.
  • Standard Proportional Systems (STD)
    for air-handler or duct applications. Available as CF or PF. For
    reduced-evaporation distance requirements with medium to high
    compressed-air consumption rates and 50:1 control modulation.
  • Variable Differential Control Systems (VDC)
    for air-handler or duct applications. Available as CF or PF. For
    reduced compressed-air consumption rates and 100:1 control modulation.
  • HumidiComp (HC), ON/OFF Systems
    for air-handler or duct applications. Available as CF or PF. For reduced
    cost compared to STD and VDC Systems. Recommended only for fixed
    outside air rates and stable humidification loads.
  • Direct Area Discharge (DDF), ON/OFF systems for direct area discharge. Available as CF or PF.



 

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Armstrong Cool-Fog® Systems

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