Boiler Flue Gas Path / Combustion
Skelton Grange · Owner Ops Shift Manager
Headline indicator
1.42kPa · Fouling Diffs
Green band 0-1.6 · Amber 1.6-2 · Red beyond.
Recommended action
Schedule combustion-control re-tune; grate speed trend creeping.
Owner: Ops Shift Manager
Open actions: 0
11 sub-KPIs · automated 7 · manual 4 · mixed 0 · needs definition 0
Data sourceAutomatedManualMixedNeeds definition
Sub-KPIs · tap any tile for full chart, history & interpretation
Fouling Diffs
Automated1.42kPa
Green 0-1.6 · Amber 1.6-2
1st Pass Roof Temp
Automated612°C
Green 580-600 · Amber 600-615
S/H Inlet Flue Gas Temp
Automated720°C
Green 680-740 · Amber 660-760
Air Ingress
Automated1.8%
Green 0-2.5 · Amber 2.5-4
Combustion O₂
Automated6.4%
Green 5.5-7.5 · Amber 4.5-8.5
Heat Input / Thermal Load
Automated108MWth
Green 100-115 · Amber 92-120
Combustion Control System
Manual1OK
Green 1-1 · Amber 0-1
Grate Status
Manual1.4m/h
Green 1.2-1.6 · Amber 1-1.8
Refractory Status
Manual1OK
Green 1-1 · Amber 0-1
Boiler Cleaning Systems Status
Manual1OK
Green 1-1 · Amber 0-1
SNCR System
Automated1OK
Green 1-1 · Amber 0-1
Operating detail
Roof temp peak 24h
618°C
Air ingress trend
+0.3% in 14d
Last grate refurb
Jan 2026