Exhaust-Gas Boiler - Fouling Check
Exhaust-gas economiser fouling detection - pressure-drop increase + feedwater temp drop.
ΔP rise
50.0%
Status
Clean / soot-blow urgent
Formula, assumptions, and limits
Soot buildup restricts gas flow → pressure drop up. Weekly soot-blowing. Deep wash every 6 months. Critical alarm > 50 % rise - fire hazard.
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| Gas-side pressure drop | mmWC | exhaust gauge |