旋塞阀在长输管线上的应用

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1、Plugvalveapplication–forlongpipelineproject旋塞阀应用–在长输管线Presenter:SongKeunWon(宋根源)AcademicEducationandDegrees:BachelorofMechanicalEngineering,UniversityofYonsei,KoreaPresentProfessionalposition:SeniorEngineer,R&DDept.3ZCorp. Plugvalveapplication-forLongpipelineproject1.Introduction1.导入1

2、-1.Lubricatedplugvalves,DBBplugvalves油封式旋塞阀，DBB旋塞阀3ZLubricatedtypeplugvalves（3Z油封式旋塞阀):DesignedforCrudeoil,Oil,Naturalgashandlingandtransmissionlines.Linesealingisachievedbasicallybymetaltometalcontactbetweenbodyandplugwithassistanceofsealantinjectedinbetweenbodyandplug,whichservesbot

3、hsealingandlubricatingduringoperation.适用于运送原油，石油，天然气等煤气的管道上。密封方式是把润滑剂注射对阀体里面，然后润滑剂引入到阀体和阀赛之间。这样发挥紧密的密封作用。Uniquenessofdynamicallyandpressurebalanceddesigntogetherwithinvertedplugdesign,assurepreventionoflocking,whichhasbeentheproblemsofconventionaldesignathigherpressureapplication.压力平衡

4、是跟阀赛款式一起来形成的。然后可以保证防止卡死现象。3ZDoubleBlock&Bleed(DBB)Valve(3Z双关双断旋塞阀）:DesignedtomeetOil&Gastransmission,loading,unloadingneeds.Linesealingisachievedbybodyandwedgescutfromeachsideoftheplugwithorwithouttheassistanceofsoftseatrings.Thesealingispositivelymadeoneachsideoftheplug(doubleblock),

5、andthemediakeptintheplugportareacanbeabledintoupstreamortothecontainertopreventfromexplosion.TheValvecanbeusedforassuringmeteringaccuracyandSCADAsystems.设计为石油和煤气，装卸臂。管道密封是通过阀赛两方的两个滑板跟阀体紧密地接触可以得到。密封是通过阀塞两方的两个滑板跟阀体紧密接触实现。密封方式是通过阀塞两方安装的石墨（双关）和为了调整上下游之间的压力差安装的泄系统，可以防爆和保证计量站的计量精度及SCADA系统的信

6、赖度。2 Plugvalveapplication-forLongpipelineprojectLubricatedtypeplugvalve油封式旋塞阀DBBplugvalve-3Zfactory双关双断旋塞阀–3Z现场3 Plugvalveapplication-forLongpipelineproject2.Lubricatedtypeplugvalve2.油封式旋塞阀2-1.General/application2-1.常规/应用Lubricatedtypeplugvalvesshallbeusedforthefollowingapplications;油

7、封阀适用按照以下场合；1.Tightshut-offisolationonoil&gasserviceswhenreliabilityandspeedofoperationareprimeconsiderations.1.在石油和煤气管线上实现紧密的开关以及需要保证正确的驱动时间的管线。2.Abrasive&sandentrainedservicesonapplicationslikeflow-lines,manifolds&headers.2.能够有摩擦性和颗粒状的介质管线，多支管，管头。3.By-pass&blow-downapplicationsongass

8、ervic