SCR CONTROLS
CATALYST: PREHEATING
CATALYST PREHEAT PROGRESS (min 320°C)
SCR System
Urea Injection Rate
0 kg/h
Engine Load
75%
Valves
PIPELINE COMPONENTS
P&ID — SCR SYSTEM & NOx REDUCTION GRAPH
MAIN ENGINE 75% MCR NOx:--.- g EXHAUST IN SCR REACTOR CATALYST BED 1 ---°C CATALYST BED 2 ---°C NOx OUT: --.- g/kWh NH₃ slip: -- ppm STACK --°C TI-501 SCR BYPASS UREA TANK (AdBlue) 75% level UREA INJECTION 0.0 kg/h NH₃ SENSOR -- ppm AI-502 EFFICIENCY --% MARPOL ANNEX VI REG.13 | NTC 2008 | IACS UR M74 | TIER III: 3.4 g/kWh | NH₃ <10 ppm
NOx REDUCTION vs UREA DOSE RATE (real-time)
GAUGES & ALARMS
NOx BEFORE SCR--.-g/kWh
NOx AFTER SCR--.-g/kWh
NOx REDUCTION0%
UREA DOSE RATE0.0kg/h
CATALYST TEMP---°C
UREA TANK LEVEL75%
NH₃ SLIP0ppm
ACTIVE ALARMS
SYSNo active alarms
PIPELINE LINEUP
EXHAUST INLETCLOSED
UREA INJECTIONCLOSED
SCR BYPASSOPEN
SOOT BLOWERCLOSED
SCR SYSTEMOFF
UREA PUMPOFF
CAT READYPREHEAT
BYPASS MODEYES
OPERATION LOG
NOx COMPLIANCE
NOx BEFORE--- g/kWh
NOx AFTER--- g/kWh
T3 LIMIT3.4 g/kWh
COMPLIANT T3---
NH₃ LIMIT<10 ppm
NH₃ COMPLIANTYES
REDUCTION EFF0%
UREA REMAIN--- kg

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