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20106PipelineTechniqueandEquipment2010No6:2010-03-07:2010-06-29MOKVELD杨永胜1,丛玉清2,王萍3(1.,635000;2.,457001;,457001):川气东送天然气输气站场采用控制阀对下游用户用气压力和流量进行控制和调节,其阀门类型为轴流式活塞型控制阀,根据下游用户用气压力的高低用气量的多少专门进行压力调节和流量调节介绍了川气东送站场调压系统MOKVELD控制阀的特性及控制原理TZIDC-200智能定位器的特性参数的设定以及MOKVELD控制阀日常运行中的问题处理等,对平稳供气及阀门的日常维护保养具有重要的作用:MOKVELD控制阀;特性;控制;TZIDC-200智能定位器;PID参数的设定:TE8:A:1004-9614(2010)06-0029-03CharacteristicsofMOKVELDAxialPistonTypeControlValveandDisposalofItsProblemsYANGYongsheng1,CONGYuqing2,WANGPing3(1.SichuanNaturalGasTransmissiontoShanghaiPipelineCompany,Dazhou635000,China;2.ZhongyuanOilfieldPetrochemicalPlant,Puyang457001,China;3.ZhongyuanOilfieldTrainingCentre,Puyang457001,China)Abstract:TheMOKVELDcontrolvalveisusedintheSichuannaruralgastransmissiontotheshanghaipipelinetocontrolorregulateairpressureandflow.Thevalvestructureisanaxialpistontypecontrolvalvemanufacturedaccordingtothedownstreamuserswithahighorlowgaspressureandtotheamountofgasconsumption.Itisdedicatedtopressureregulatorsandflowregulation.ThispaperdescribesthevoltageregulationsystemofstationsoftheSichuannaturalgastransmissiontoShanghaipipeline.MOKVELDcontrolvalvecharacteristicsandcontrolprinciple,TZIDC-200intelligentpositionerfeatures,parametersettingsandtheprobleminworkdays.Itisveryimportanttodailysmoothgassupplyandvalvemaintenance.Keywords:MOKVELDcontrolvalve;characteristics;contro;lTZIDC-200intelligentpositioner;PIDparametersettings1(SSV)(PCV)(PV),()OSEFLMOKVELD,,,,,,,,,,SCADA,,,,,112MOKVELD21MOKVELDMOKVELD,,230PipelineTechniqueandEquipmentNov2010,,,2,,MOKVELD,,,90(2),,45,,,,1阀外体;2阀内体;3活塞杆;4阀杆;5活塞;6笼筒2MOKVELD22MOKVELD[1]221介质的轴流性,,,,222零泄漏级密封,,,,,223压力平衡,,,224执行机构,45,,,,,23MOKVELDMOKVELD,,,,,,,,,,45,,,,;,,,/4~20mADC002~01MPa,,,,,3TZIDC-20031TZIDC-200TZIDC,,,,I/PI/P,CPU,,,,2LCD4,32TZIDC-200TZIDC,,5,,,(),;(),;(),第6期杨永胜等:MOKVELD轴流式控制阀的特点及常见问题处理3133TZIDC-2003TZIDC-2003TZIDC331检查行程参数,,,,,,MOKVELD,1VO,,:!∀;ENTER;3s,30;!∀;P1.0!∀332进行自动调整()MODE;!,#P1.1∃;MODE;ENTER3s0;ENTER,,;,#COMPLETE∃,,,333公差带和死区的调整,03%~10%,01%~10%,,,,1%~3%,,17MPa,(17%07)MPa,PID,01%,(17%005)MPa.,#P1.2∃4MOKVELD41MOKVELD,,,,,,,,,42MOKVELD,%005MPa,TZIDC-200,,PID,43,,,,,,;,,,;,,TZIDC,,,,44,,,,,5MOKVELD/,,,,:(1973),,