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CSB Investigation
Report No. CSB-HONEYWELL-GEISMAR-2023
2023
Safety Safety Environmental Environmental
Honeywell Geismar 换热器破裂致氟化氢/氯气泄漏
Honeywell Geismar, Geismar, Louisiana
Related equipment → Shell-and-tube heat exchanger (shell_tube_heat_exchanger)
0Fatalities
1Injuries
RuptureMechanism code STD
⌗Failure Mode · ISO 14224 Mapping
Damage mechanism (recorded in KB)
RuptureSTD
ISO functional code (as recorded)
ISO 14224:2016 functional failure code
STD · Structural failure
ISO STD — Structural failure.
1What Happened
换热器（壳管式）破裂导致氟化氢（HF）气体、氯气及工艺流体泄漏；工厂另有一处氢氟酸泄漏致 1 人重伤
2Root Cause
换热器壳程完整性管理不足（与 2010 Tesoro Anacortes 同类失效机理）；HF 设备腐蚀监测与隔离保护待加强
3Reliability Lessons (from investigation root cause)
- The 'Root Cause' above is the core lesson of this accident; not split further.
4Associated Failure Mechanisms (Keywords)
换热器 壳管换热器 破裂 氢氟酸 氟化氢 氯气 泄漏 腐蚀 壳体开裂
About the Failure-Mode Code (click to expand)
The recorded code STD 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：U.S. Chemical Safety and Hazard Investigation Board (CSB)
Official Report：www.csb.gov ↗
Data Verification：url_verified_csb_investigations_list_2026-08-07（事故 2023-01-23 / 终报 2025-05-27）
↗Related Failure Modes · Traceability