Iraqi summers pass 50 C, and dust storms load open cooling water with airborne solids. Power plants and industry cannot afford a cooling outage in the peak season, so cleaning has to run continuously.
The Operating Reality
Power and industrial plants cool turbines, compressors and process exchangers on cooling towers or direct condenser circuits, with make-up from the Tigris, Euphrates or seawater at the south. Dust and high suspended solids are constant.
Why It Matters Here
Dust deposits in the water box and tubes, raising approach temperature, while summer heat pushes the plant to its limit exactly when demand peaks. Each 1 C of end-difference adds about 4% compressor or circulating-pump work at the worst hours.
Local Conditions That Drive Fouling
- Dust storms add airborne solids that settle in the water box and tubes, so continuous sweeping is the only practical defence against deposit build-up.
- River make-up carries high suspended solids; combined with summer heat, biofilm and scale arrive together.
- Power and process cooling cannot stop for manual cleaning during peak grid demand, so online cleaning avoids the outage entirely.
How Automatic Tube Cleaning (ATCS) Fits
- Sponge balls (DN100-500 compatible, 0.1 mm oversize) circulate every chiller cycle, sweeping tubes with no shutdown.
- End-difference is held near ~1.2 °C instead of drifting to 3 °C+, avoiding the ~4% per 1 °C compressor penalty.
- Continuous sweeping removes the biofilm layer (up to ~300× more insulating than a clean tube) rather than reacting after a deposit forms.
- Systems are sized to tube count and metallurgy — titanium, copper-nickel, stainless and carbon steel all supported.
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