SPO副产物处理单元反应器光气泄漏（阀门误置+超压）
阀门位置错误+光气系统隔离不足+培训缺失
本卡记录码 SPO 即 ISO 14224:2016 功能失效码（描述「设备没做成什么」）。损伤机理（描述「怎么坏的」）见上方对接块。两者是 ISO 14224 的两个不同维度。
fatigue_fracture弯曲变形 (Bending) bending键槽磨损/裂纹 (Keyway Wear) keyway_wear腐蚀/冲蚀 (Corrosion/Erosion) corrosion_erosion桨叶裂纹 (Blade Crack) blade_crack桨叶脱落 (Blade Detachment) blade_detachment搪玻璃爆瓷/破损 (Glass-lining Damage) glass_lining_damage齿轮磨损/点蚀 (Gear Wear/Pitting) gear_wear_pitting轴承失效 (Bearing Failure) bearing_failure油封泄漏 (Oil Seal Leak) oil_seal_leak内部腐蚀减薄 (Internal Corrosion Thinning) internal_corrosion_thinning应力腐蚀开裂 (SCC) scc焊缝裂纹 (Weld Crack) weld_crack搪玻璃层破损 (Glass-lining Failure) glass_lining_failure腐蚀 (Corrosion) corrosion地脚螺栓松动 (Anchor Bolt Loosening) anchor_bolt_loosening端面磨损 (Face Wear) face_wearO圈老化 (O-ring Aging) o_ring_aging弹簧失效 (Spring Failure) spring_failure辅助密封泄漏 (Secondary Seal Leak) secondary_seal_leak干运转烧毁 (Dry-running Burn) dry_running_burn冲洗液中断/压力不足 (Flush Loss) flush_loss过滤器堵塞 (Filter Clogging) filter_clogging垫片老化/蠕变泄漏 (Gasket Aging) gasket_aging法兰面腐蚀 (Flange Face Corrosion) flange_face_corrosion夹套内腐蚀 (Jacket Corrosion) jacket_corrosion夹套结垢→传热效率下降 (Jacket Fouling) jacket_fouling半管焊缝泄漏 (Half-pipe Weld Leak) half_pipe_weld_leak盘管腐蚀穿孔 (Coil Perforation) coil_perforation盘管振动疲劳 (Vibration Fatigue) vibration_fatigue支撑松动 (Support Loosening) support_loosening起跳值偏移 (Set Point Drift) set_point_drift阀座泄漏 (Seat Leakage) seat_leakage疲劳提前爆破 (Premature Rupture) premature_rupture背压侧腐蚀 (Backside Corrosion) backside_corrosion泄放管线堵塞 (Vent Line Blockage) vent_line_blockage淬灭系统失效 (Quench System Failure) quench_system_failure传感器漂移 (Sensor Drift) sensor_drift套管腐蚀穿孔 (Thermowell Corrosion) thermowell_corrosion隔膜破损/堵塞 (Diaphragm Failure) diaphragm_failure引压管堵塞 (Impulse Line Blockage) impulse_line_blockage引压管堵塞 (Impulse Line Blockage) impulse_line_blockage_2结垢/挂料→误指示 (Coating→False Reading) coating_false_reading电极污染/老化 (Electrode Fouling) electrode_fouling标定漂移 (Calibration Drift) calibration_drift2014-08-I-TX · 数据取自 CSB 公开调查结论，由可靠性 AI 整理，仅作可靠性展示用途。 本卡案例来自公开事故调查报告，仅供学习参考，AIM 不背书、不保证其准确性。