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Equipment BL-201A
FM fm_9
ISO 14224 mode LOO Low output
Source OPC Ontology KB
Burner-tip Coking / Blockage
BL-201A · Boiler
Related equipment → BL-201A
0.82Source conf.
0.75Evidence conf.
LOOISO 14224 mode
1Failure Mechanism
Function:实现设备功能
Failure cause:燃料质量差，含焦油或杂质高；空气/燃料比例不当，燃烧不充分；烧嘴设计或安装不合理，局部温度过低
Damage mechanism：燃烧不充分 → 焦油/积碳沉积（fouling/coking at burner）+ 配风不当致烧嘴结焦堵塞
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：Impact of oxide layer on performance and creep life of a superheater tube (2025, Eng. Failure Anal. 167)
Evidence ref code：S2:764c0757541dff43
Evidence conf.：0.75 · Evidence source：academic_study
⚠ The evidence ref code S2:764c0757541dff43 is an internal index code of this KB, for tracing back to the offline curated corpus; it is not a public doi.org link, hence no hyperlink is provided.
Governing standards (evidence)：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:ASME-BPVC-I — ASME BPVC Section I — Rules for Construction of Power Boilers · 锅筒/受热面建造与检验规则（PG-19 等）std:ASME-CSD1 — ASME CSD-1 — Controls and Safety Devices for Automatically Fired Boilers · 自动燃烧锅炉控制与安全装置
4Related Real Accidents (traceable to accident cards)
This FM is recorded in 2 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:每日观察火焰形状和颜色异常 | 每周监测燃烧器压差升高 | 每月内窥镜检查烧嘴口
RCFA incident:BL-201A 发生烧嘴结焦/堵塞，严重程度 7，后果类型 Safety
7RCM Maintenance Decision (strategy landing)
CBMOn-Condition Maintenance
Recommended task按压差/效率监测设定清洗周期 + 过滤/防堵维护; 温度/红外热成像监测, 超温报警与根因排查
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=fouling; overheat
Governing standardsAPI 530API 571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。