SOP-DATA-021
REV 5.0
TECHNICAL ANALYTICS & TRENDS
PREDICTIVE DATA LOGIC
A single reading is a snapshot; a trend is a diagnostic. We use long-term variance to predict bearing failure and efficiency decay before they manifest as alarms.
WEAR TRACKING: LABY SEAL GAP
Correlation between operating hours and seal clearance. Silt-laden water accelerates this exponentially.
LINEAR DECAY
TREND
DECISION TRIGGERS
- Baseline (New): ~0.50 mm
- Warning Zone: 1.00 mm
- FAILURE LIMIT: 1.50 mm
EFFICIENCY MAPPING (ΔH)
| CONDITION | HEAD LOSS (ΔH) | ENERGY LOSS (kW) | ACTION |
|---|---|---|---|
| Clean Racks | 0.05 - 0.10 m | Negligible | Monitor Trends |
| Dirty / Clogged | 0.30 - 0.50 m | 10 - 50 kW | Schedule Cleaning |
| Severely Blocked | > 1.00 m | > 100 kW | EMERGENCY STOP |
SILT VS. VIBRATION CORRELATION
LAG INDICATOR LOGIC
Vibration level spikes typically occur 24-48 hours AFTER a silt/turbidity spike (>1000 NTU) as particles scoure the runner seals.
STRATEGY: Reduce load
to 70% during high turbidity.
DATA SOURCE
Turbidity Sensor (NTU) + Shaft Bently Nevada (µm)