Combustion O₂ (%)
Ferrybridge 1 · Boiler Flue Gas Path / Combustion
What this shows
Recent values for Combustion O₂. Green band is the agreed operating window (5.5-7.5 %); amber is the early-warning band before action is required. Source: auto.
Why it's trending this way
Currently in band at 6.4 %. Schedule combustion-control re-tune; grate speed trend creeping.
Historical data
| Period | Value | Target | Delta | Status |
|---|---|---|---|---|
| T-24 | 6.2% | 0.0% | +6.2% | On / above target |
| T-23 | 6.4% | 0.0% | +6.4% | On / above target |
| T-22 | 6.5% | 0.0% | +6.5% | On / above target |
| T-21 | 6.7% | 0.0% | +6.7% | On / above target |
| T-20 | 6.8% | 0.0% | +6.8% | On / above target |
| T-19 | 6.7% | 0.0% | +6.7% | On / above target |
| T-18 | 7.0% | 0.0% | +7.0% | On / above target |
| T-17 | 6.8% | 0.0% | +6.8% | On / above target |
| T-16 | 6.7% | 0.0% | +6.7% | On / above target |
| T-15 | 6.6% | 0.0% | +6.6% | On / above target |
| T-14 | 6.1% | 0.0% | +6.1% | On / above target |
| T-13 | 5.9% | 0.0% | +5.9% | On / above target |
| T-12 | 5.9% | 0.0% | +5.9% | On / above target |
| T-11 | 6.0% | 0.0% | +6.0% | On / above target |
| T-10 | 5.9% | 0.0% | +5.9% | On / above target |
| T-9 | 6.1% | 0.0% | +6.1% | On / above target |
| T-8 | 6.2% | 0.0% | +6.2% | On / above target |
| T-7 | 6.5% | 0.0% | +6.5% | On / above target |
| T-6 | 6.7% | 0.0% | +6.7% | On / above target |
| T-5 | 6.8% | 0.0% | +6.8% | On / above target |
| T-4 | 7.0% | 0.0% | +7.0% | On / above target |
| T-3 | 6.9% | 0.0% | +6.9% | On / above target |
| T-2 | 6.9% | 0.0% | +6.9% | On / above target |
| T-1 | 6.5% | 0.0% | +6.5% | On / above target |