Fire & Gas Detector (F&G)Fire & Gas Detector (F&G)
⚠ ⚠ Top risk: 气体探测器零点漂移 · RPN 128 (Critical) — watch this one first at the equipment
Risk Board (all 12 · by RPN · top 6 highlighted urgent)
Shield: Safety = people/environment Production = production only
Technical mechanism/mitigation body in Chinese (red line: no fabricated MT; EN UI labels translated)
12Failure Modes
12High/Critical
5Standards
1Real Accidents
Tap any failure mode to flip to its on-site guidance
Device-level standard/accident index (5 standards / 1 accidents)
Standards (5 de-duplicated)
IEC 60079-29-1IEC 60079-17EN 54-1IEC 60079-14EN 54-7
Accident Lessons (1 de-duplicated)
CSB-ITC-DEERPARK-2019CSB2019 ↗CSB ITC Deer Park 2019 储罐区火灾:缺乏可燃/气体监测与远程隔离阀(2023 终报)
FM Traceability Cards (12)
气体探测器零点漂移RPN 128 · Critical
Failure Mechanism
催化/红外元件老化致读数漂移
How to Detect
Online monitoring · Detection rate 80% ;Re-inspect ≤every12months
Mitigation (What to Do)
RCM Strategy
PMScheduled (Proactive) Maintenance
Interval: High risk 1-3 mo / Medium 6-12 mo / Low risk at turnaround (by API 581 RBI risk ranking)
Engineering-inferred (not measured history); confirm with equipment owner before execution
Standards (2)
IEC 60079-29-1IEC 60079-17
Lessons Learned (1)
CSB-ITC-DEERPARK-2019CSB2019FireCSB ITC Deer Park 2019 储罐区火灾:缺乏可燃/气体监测与远程隔离阀(2023 终报)Root cause: ITC 缺乏监测泵失效的报警器/气体检测系统,且无可远程操作的紧急隔离阀,导致泄漏未能及时探测与切断Official source ↗
火灾探测器漏报RPN 108 · Critical
Failure Mechanism
烟室污染/光路遮挡致未报警
How to Detect
Online monitoring · Detection rate 80% ;Re-inspect ≤every24months
Mitigation (What to Do)
RCM Strategy
PMScheduled (Proactive) Maintenance
Interval: High risk 1-3 mo / Medium 6-12 mo / Low risk at turnaround (by API 581 RBI risk ranking)
Engineering-inferred (not measured history); confirm with equipment owner before execution
Standards (1)
Lessons Learned (1)
CSB-ITC-DEERPARK-2019CSB2019FireCSB ITC Deer Park 2019 储罐区火灾:缺乏可燃/气体监测与远程隔离阀(2023 终报)Root cause: ITC 缺乏监测泵失效的报警器/气体检测系统,且无可远程操作的紧急隔离阀,导致泄漏未能及时探测与切断Official source ↗