INJ-00035 — tank_stratification
Status: EXPIRED · Category: A · Source: auto Fired at: 131.85 h · Duration: 6.0 h · Target: NE-01 Economic impact: $-2,000 /h
Parameters
{
"product": "LIN",
"error_pct": 15,
"plant_id": "NE-01",
"customer_id": "C-20",
"truck_id": "T-E06",
"driver_id": "D-E06"
}Cascade — 10 agent steps
| # | step | agent | detail |
|---|---|---|---|
| 1 | INJECTION | Injection Engine | tank_stratification: LIN tank insulation failure. Perlite degradation → heat ingress → thermal stratification. Boiloff rate 3x normal. |
| 2 | MPC_SOLVE | MPC Optimizer | 📐 MPC: Optimal load 63% (4h horizon) | Priority: 3 | Expected margin: $0/h | Reason: All constraints healthy → optimize revenue (+load) |
| 3 | PHYSICS | Physics Kernel | Warm layer forms at top of cryogenic liquid. Temperature gradient destabilizes tank. Boiloff 3x normal (~180 g/s). Level sensor may read 15% high due to density variation in stratified liquid. |
| 4 | PRODUCTION | Production Agent | HOLD load at 60% — no load change needed. Production continues normally. The issue is tank insulation, not production equipment. |
| 5 | TANKS | Tank Inventory Agent | LIN at 61% (reported). ACTUAL level may be 46% due to stratification sensor error. Increased boiloff drains tank ~3x faster. Time to critical: ~77h. |
| 6 | DISPATCH | Dispatch Agent | No immediate dispatch change. Monitor actual tank level via independent level measurement (radar vs differential pressure). If actual level is lower than displayed, accelerate dispatch. |
| 7 | CUSTOMERS | Customer Impact Agent | Risk: if tank level is actually 15% lower than reported, customer supply may be shorter than planned. Conservative dispatch planning recommended — assume worst-case level. |
| 8 | LOSS_MITIGATION | Loss Ledger | 📉 L1: Primary Production Physical Balance — SENS detects level/density mismatch, flags rollover risk |
| 9 | ECONOMICS | Economics Agent | Boiloff loss 3x normal: ~15-50k depending on extent. Repair during next turnaround to avoid production loss. |
| 10 | RECOVERY | Recovery Planner | 1) Independent level check (radar gauge vs dP). 2) If stratification confirmed: gentle agitation via recirculation. 3) Insulation survey: IR thermography to find heat ingress path. 4) Re-vac of perlite annulus (schedu… |
Raw effects
- LIN insulation failure — boiloff 3x, heat ingress to all tanks
- tank_stratification: LIN tank insulation failure. Perlite degradation → heat ingress → thermal stratification. Boiloff rate 3x normal.
- 📐 MPC: Optimal load 63% (4h horizon) | Priority: 3 | Expected margin: $0/h | Reason: All constraints healthy → optimize revenue (+load)
- Warm layer forms at top of cryogenic liquid. Temperature gradient destabilizes tank. Boiloff 3x normal (~180 g/s). Level sensor may read 15% high due to density variation in stratified liquid.
- HOLD load at 60% — no load change needed. Production continues normally. The issue is tank insulation, not production equipment.
- LIN at 61% (reported). ACTUAL level may be 46% due to stratification sensor error. Increased boiloff drains tank ~3x faster. Time to critical: ~77h.
- No immediate dispatch change. Monitor actual tank level via independent level measurement (radar vs differential pressure). If actual level is lower than displayed, accelerate dispatch.
- Risk: if tank level is actually 15% lower than reported, customer supply may be shorter than planned. Conservative dispatch planning recommended — assume worst-case level.
- 📉 L1: Primary Production Physical Balance — SENS detects level/density mismatch, flags rollover risk
- Boiloff loss 3x normal: ~15-50k depending on extent. Repair during next turnaround to avoid production loss.
-
- Independent level check (radar gauge vs dP). 2) If stratification confirmed: gentle agitation via recirculation. 3) Insulation survey: IR thermography to find heat ingress path. 4) Re-vac of perlite annulus (schedule during next turnaround, 48-72h).