第43卷第3期(2024-03)油气田地面工程https://yqtd.cbpt.cnki.net综合技术新建炼化装置的高压系统工程管理要点解析满雪峰刘锡明宋亚东王永庆中国石油大庆炼化公司摘要:高压系统主要由管道、管件、设备及仪表等组成,按照管道压力界定,指工作压力大于10MPa、小于等于100MPa的介质管道,在炼油化工行业主要应用于生产合成氨、尿素、甲醇产品和石油加氢裂化等领域。以组建生产能力为30万吨石蜡加氢装置为例,对建设此装置高压系统过程中所采用的施工技术和管理方法解析,包括材料采购与入场检验把关、材料到货管理、工艺细化、高压密封管理、焊接质量的严控及管道压力试验、泄漏性试验的管理等。通过采用上述管理方法和技术措施严格筛选出有质量问题的材料并及时进行修补、更换,保持了极高的焊接质量和高压密封质量,管道压力试验一次通过,项目按期中交,装置一次投产成功。实践证明此方法较为有效,可为类似项目建设提供实际参考。关键词:高压系统;阀门试压;红丹密封试验;定力矩紧固;高压密封AnalysisofKeyManagementPointsforHigh-pressureSystemEngineeringofNewlyBuiltRefiningandChemicalPlantsMANXuefeng,LIUXiming,SONGYadong,WANGYongqingDaqingRefiningandChemicalCompany,CNPCAbstract:Thehigh-pressuresystemismainlycomposedofpipelines,fittings,equipment,andin-struments.Itismainlydefinedaccordingtothepipelinepressureandreferstomediumpipelineswithaworkingpressureof10<P≤100MPa.Itismainlyusedintheproductionofsyntheticammonia,urea,methanolproducts,andpetroleumhydrocrackingintherefiningandchemicalindustry.Takingtheproductioncapacityof300000ton/yearofparaffinhydrogenationunitasanexample,thisarticleanalyzestheconstructiontechnologyandmanagementmethodsusedintheconstructionofthehigh-pressuresystemofthisunit,mainlyincludingmaterialprocurementandentryinspectioncontrol,ma-terialarrivalmanagement,processrefinement,high-pressuresealingmanagement,strictcontrolofweldingquality,andmanagementofpipelinepressuretestandleakagetest.Theabovemanagementmethodsandtechnicalmeasuresareadoptedtostrictlyscreenoutmaterialswithqualityissues,andtimelyrepairandreplacementtreatmentsarecarriedouttomaintainextremelyhighweldingqualityandhigh-pressuresealin...