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HSE
Report No. HSE-FEYZIN-1966
1966
Fire Fire Explosion Explosion
Feyzin 炼油厂丙烷球罐排水阀冻裂泄漏爆炸（1966，18 死）
Feyzin Refinery, France (HSE Sragtech Case)
Related equipment → Storage tank (storage_tank)Related equipment → Control valve (control_valve)
18Fatalities
81Injuries
RuptureMechanism code ELP
⌗Failure Mode · ISO 14224 Mapping
Damage mechanism (recorded in KB)
RuptureELP
ISO functional code (as recorded)
ISO 14224:2016 functional failure code
ELP · External leakage - process
ISO ELP — External leakage - process.
1What Happened
丙烷球罐底部排水阀操作，上阀冻开无法关闭→丙烷喷射形成蒸气云，被 160m 外汽车引燃→球罐约 90 分钟后破裂(BLEVE)
2Root Cause
排水系统设计差需手动、无保温伴热防冰；报警延迟；消防策略不当；缺乏 LPG 火灾经验
3Reliability Lessons (from investigation root cause)
- The 'Root Cause' above is the core lesson of this accident; not split further.
4Associated Failure Mechanisms (Keywords)
LPG 球罐 排水阀 冻结 冻裂 泄漏 蒸气云 BLEVE 沸腾液体蒸气云爆炸
About the Failure-Mode Code (click to expand)
The recorded code ELP 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