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Equipment H-101
FM ignition_failure
ISO 14224 mode OTH Other
Source OPC Ontology KB
Ignition Failure / Flameout
H-101 · fired_heater
Related equipment → H-101
0.82Source conf.
0.70Evidence conf.
OTHISO 14224 mode
1Failure Mechanism
Function:燃料与空气混合燃烧
Failure cause:点火电极损坏或积碳；燃料压力波动或中断；风门调节不当
Damage mechanism：燃烧系统功能失效（combustion system failure）：点火/燃料/风门
2Source Basis (where this FM comes from)
OPC Ontology KBCSB Accident DBQuant benchmark
Source confidence 0.82: this FM is derived from the ontology KB and cross-validated by OPC Ontology KB·CSB Accident DB·Quant benchmark.
3Evidence Chain (supporting basis)
Evidence text：None
Evidence conf.：0.7 · Evidence source：engineering_estimate
Governing standards (evidence)：std:API-535 — API 535 — Burners for Fired Heaters · 加热炉燃烧器std:NFPA-85 — NFPA 85 — Boiler and Combustion Systems Hazards Code · 锅炉与燃烧系统危害防护（燃烧安全联锁）std:API-560 — API STD 560 — Fired Heaters for General Refinery Service · 管式加热炉设计
4Related Real Accidents (traceable to accident cards)
This FM is recorded in 3 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 (22):
GB/T 7826-2012GB/T 27921-2011GB/T 36894-2018GB/T 44958-2024GB/T 37243-2019GB/T 4888-2008GB/T 29639-2020AQ/T 3034-2022API 581API 580API 510API 570API 571API 579-1/ASME FFS-1API 754API 576API 689API 755ISO 14224:2016ISO 20815:2018IEC 61511:2016ISO 31000:2018
6Derived Analysis (seeded from this FM)
8/6/3FMEA Sev/Occ/Det
0.34RBI λ
0.55Monitor pdet
4 月Insp. int.
Current tasks:检查点火变压器和电极 | 检查燃料供应压力 | 清理点火电极积碳
RCFA incident:H-101 发生点火失败/熄火 (Ignition Failure)，严重程度 8，后果类型 Safety/Environmental
7RCM Maintenance Decision (strategy landing)
RTFDesign Modification / Inspection Task
Recommended task绝缘/电气试验 + 继电保护定值校核 + 操动机构特性测试; 防静电/惰化/接地设计整改 + 环境控制(RTF)
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=electrical; static
Governing standardsGB 50058GB/T 14285IEC 60034IEC 60079IEEE C57NFPA 77
⚠ 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。