作者简介:黄世龙(1976-)男ꎬ福建南平人ꎬ助理工程师ꎬ从事安全阀校验及修复技术ꎮ文章编号:1002 ̄5855(2023)03 ̄0361 ̄03安全阀阀座密封面失效分析及在线研磨装置设计黄世龙(福建省锅炉与压力容器检验研究院南平分院ꎬ福建南平353100)摘要安全阀作为承压类特种设备上重要的安全元件ꎬ其可靠运行决定了承压类特种设备的正常工作ꎮ本文通过分析安全阀密封面失效引起的安全阀故障ꎬ并结合安全阀在线校验工作ꎬ构思并设计出一款能够在线对安全阀阀座密封面进行自动研磨的装置ꎬ为安全阀密封面的修复提供更加简便、快捷的方式ꎮ关键词安全阀ꎻ密封面ꎻ在线校验ꎻ在线研磨中图分类号:TH134文献标志码:AFailureAnalysisofSealingSurfaceofSafetyValveSeatandDesignofOnlineLappingDeviceHUANGShi ̄long(NanpingBranchꎬFujianBoilerandPressureVesselInspectionResearchInstituteꎬNanping353000ꎬFujianꎬChina)Abstract:Asanimportantsafetyelementofpressurebearingspecialequipmentꎬthereliableoperationofsafetyvalvedeterminesthenormaloperationofpressurebearingspecialequipment.Byanalyzingthesafetyvalvefailurecausedbythefailureofthesealingsurfaceofthesafetyvalveandcombiningwiththeon-linecalibrationofthesafetyvalveꎬthispaperconceivesanddesignsadevicethatcanautomati ̄callygrindthesealingsurfaceofthesafetyvalveseaton-lineꎬandprovidesamoreconvenientandrapidwayfortherepairofthesealingsurfaceofthesafetyvalve.Keywords:safetyvalveꎻs...