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Equipment QT-201A
FM fm_2
ISO 14224 mode OTH Other
Source OPC Ontology KB
Refractory Lining Loss
QT-201A · Quench tower
Related equipment → QT-201A
0.75Source conf.
0.70Evidence conf.
OTHISO 14224 mode
1Failure Mechanism
Function:实现设备功能
Failure cause:衬里施工质量差，粘结不牢；温度急剧变化导致热应力开裂；介质冲刷或振动造成机械损伤
2Source Basis (where this FM comes from)
OPC Ontology KBPublic newsQuant benchmark
Source confidence 0.75: this FM is derived from the ontology KB and cross-validated by OPC Ontology KB·Public news·Quant benchmark.
3Evidence Chain (supporting basis)
Evidence text：None
Evidence conf.：0.7 · Evidence source：engineering_estimate
Governing standards (evidence)：ima://7458030677405755/word_11035ae55c1b08ddb9e6d8bfbece61fe_9d8b149bd2f3be727c6d967efbf962997458030677405755 — ITP-2 Pressure Vessels（杜邦制造质量检验测试计划）
4Related Real Accidents (traceable to accident cards)
This FM is recorded in 1 real accident investigation(s); tap the report no. to open the corresponding accident lesson card.
5Applicable Standards & Clauses
API 580GB/T 7826-2012ISO 14224:2016SAE JA1011_202411
Standard clause references (19):
GB/T 7826-2012GB/T 27921-2011GB/T 44958-2024GB/T 4888-2008GB/T 29639-2020AQ/T 3034-2022API 581API 580API 510API 571API 579-1/ASME FFS-1API 754API 576API 689API 755ISO 14224:2016ISO 20815:2018IEC 61511:2016ISO 31000:2018
6Derived Analysis (seeded from this FM)
7/4/3FMEA Sev/Occ/Det
0.34RBI λ
0.55Monitor pdet
4 月Insp. int.
Current tasks:每月敲击检查衬里空鼓面积 | 每季度红外热成像检测局部温度异常 | 每次停车目视检查衬里表面裂纹或鼓起
RCFA incident:QT-201A 发生衬里脱落，严重程度 7，后果类型 Operational
7RCM Maintenance Decision (strategy landing)
RTFDesign Modification / Inspection Task
Recommended task温度/红外热成像监测, 超温报警与根因排查; 材质复检 + 无损检测 + 设计/材质升级整改(RTF); 振动频谱分析 + 动平衡 + 激光对中, 状态监测趋势管理
Suggested intervalHigh risk 1-3 mo / Medium 6-12 mo / Low risk at turnaround (by API 581 RBI risk ranking)
Decision basis机理类别=material; overheat; vibration
Governing standardsAPI 530API 570API 579API 670API 684ASME VIIIISO 10816厂家规范
⚠ This decision is engineering-inferred by RCM logic from the damage mechanism / root cause / failure cause — it is not derived from measured site history. Confirm with the equipment owner and process before execution.
⚠ 本卡技术正文（功能 / 致因 / 损伤机理 / RCFA 叙事）保留中文原文——依可信 AI 红线，自由技术文本不自动机翻、不编造英文译文。UI、设备类型、FM 名、ISO 码、标准号均为英文。