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HSE
Report No. HSE-HICKSONWELCH-1992
1992
Fire Fire
Hickson & Welch 间歇蒸馏釜清垢着火（1992，重大火无死亡）
Hickson & Welch Ltd, Castleford, UK (HSE Sragtech Case)
Related equipment → Distillation column (distillation_column)Related equipment → Agitator (Agitator)
0Fatalities
0Injuries
FailureMechanism code OTH
⌗Failure Mode · ISO 14224 Mapping
Damage mechanism (recorded in KB)
FailureOTH
ISO functional code (as recorded)
ISO 14224:2016 functional failure code
OTH · Other
ISO OTH — Other.
1What Happened
30 年未清的间歇蒸馏釜残垢被误判为稳定焦油，蒸汽加热软化后金属耙搅动→可燃蒸气引燃、喷射火损毁控制楼
2Root Cause
首次清釜无分析残垢/大气；未发 PTW for raking；未隔离进口；金属耙用于易燃蒸气区；温度测量位置差
3Reliability Lessons (from investigation root cause)
- The 'Root Cause' above is the core lesson of this accident; not split further.
4Associated Failure Mechanisms (Keywords)
蒸馏 残垢 焦油 清釜 自燃 蒸汽加热 金属工具 喷射火 盲板隔离
About the Failure-Mode Code (click to expand)
The recorded code OTH is an ISO 14224:2016 functional failure code (describes what the equipment failed to do). The damage mechanism (how it failed) is shown in the Mapping block above. The two are distinct dimensions in ISO 14224.
5Evidence Source (transparent)
Authority：Health and Safety Executive (HSE), UK — Sragtech Case Study
Official Report：www.hse.gov.uk ↗
Data Verification：verified_url_hse_2026-08-07
↗Related Failure Modes · Traceability
This accident is not yet linked to a specific FM traceability card.