第39卷第11期压力容器2022年11月doi:■■■■■■■■■■■■■■■■■■■■■■■■10.3969/j.issn.1001-4837.2022.11.011制造与安装加氢反应器主副加热局部热处理潘晓栋1,杨刚2,谷文斌2,蒋文春2,王金光3,杨靖1,王迎君1(1.二重(镇江)重型装备有限责任公司,江苏镇江212000;2.中国石油大学(华东)新能源学院,山东青岛266580;3.中国石化工程建设有限公司,北京100101)摘要:采用主副加热技术,以卡式炉加热方式对加氢反应器合拢焊缝进行局部热处理研究。该技术通过主加热带改善焊缝性能,降低内外壁的部分残余应力,并通过施加副加热带进一步降低焊缝内表面残余应力。同时,利用压痕应变测试和有限元数值模拟方法,研究了主副加热前后加氢反应器内壁堆焊层的应力变化情况。结果表明,采用主副加热技术能够有效降低内壁堆焊层残余应力,轴向应力降低约30%,环向应力降低约50%,该技术可在大型压力容器制造中推广应用。关键词:加氢反应器;卡式炉;主副加热热处理;残余应力中图分类号:TH49;TG156文献标志码:APrimaryandsecondarylocalpost-weldingheattreatmentofhydrogenationreactorPANXiaodong1,YANGGang2,GUWenbin2,JIANGWenchun2,WANGJinguang3,YANGJing1,WANGYingjun1(1.ErZhong(Zhenjiang)HeavyEquipmentCo.,Ltd.,Zhenjiang212000,China;2.CollegeofNewEnergy,ChinaUniversityofPetroleum(EastChina),Qingdao266580,China;3.SinopecEngineeringConstructionCo.,Ltd.,Beijing100101,China)Abstract:Theprimaryandsecondaryheatingtechnologywithcardfurnacewasappliedtostudythelocalheattreatmentoftheclosedbuilt-upweldsinhydrogenationreactor.Thistechnologyimprovesthequalityoftheweldsbytheprimaryheatingstripsoastoreducetheresidualstressesontheinnerandoutersurfacesofthewelds,andfurtherreducetheresidualstressontheinnersurfacebyapplyingthesecondaryheatingstrip.Meanwhile,thestresschangeofthesurfacinglayerontheinnersurfaceofthehydrogenationreactorbeforeandafterapplyingtheprimaryandsecondaryheatingwasinvestigatedbyindentationtestandfiniteelementanalysis.Theresultsshowthattheprimaryandsecondaryheatingtechnologycaneffectivelyreducetheresidualstressofthesurfacinglayerontheinnerwall.Theaxialresidualstressoftheinnersurfaceisreducedby30%,whilethe...