油气田注水站监控系统

本科毕业设计（论文）题目注水站监控系统设计学生姓名教学院系专业年级指导教师雷宇学号0607030206电子信息工程学院自动化2006级罗敏职称讲师单位电子信息工程学院职称辅导教师单位完成日期2010年6月1日摘要本文主要阐述了基于现场总线的油田注水站监控系统的设计。在分析了注水站的工艺流程、技术指标、设备使用等情况之后，提出了整个监控系统基于现场总线技术的总体方案。并运用美国罗克韦尔自动化公司产品、现场总线控制系统技术和从现场底层到管理层的软件技术来实现整个监控系统的设计。1.控制系统网络结构的设计：主要采用分布式I/O远程控制方式，构建罗克韦尔两层网络——工业以太网(Ethernet/IP)、控制网(Control-Net)，采用具备以太网通信接口的Logix5555处理器，完成底层I/O操作和系统管理等功能，并在此基础上组建了以Ethernet/IP为主的现场总线控制网络。使用RSView32编制人机界面，以实现注水站现场设备仪表信号的采集、处理，实现注水工艺的全线自动化控制。2.在注水量控制中采用PID控制：运用Logix5561处理器中的PID指令，实现在注水过程中的闭环控制，使得注水量稳定在设定值。处理器通过计算注水量设定值（SP）和实际过程中注水干线出口流量值（PV）的偏差（E）,通过运行PID指令，处理器把输出信号传送给调节阀（CV）以调节阀门开度。同时，可以通过调整Kp、Ki、Kd值对PID控制进行调整。3.系统软件设计：本系统软件设计使用RSLinx软件实现网络通信驱动和服务；使用梯形图编程软件—RSLogix5000对Logix5561处理器编程；使用RSNetWorx软件对控制网进行网络预订；使用RSView32软件对系统进行组态和提供监控和人机界面。本系统实现了注水站监控系统的自动控制和实时监测，满足了该注水站的生产技术要求。关键词：注水站；监控系统；Rockwell两层网络；RSLogix5000；RSView32；PIDAbstractThisarticlefocusesonthefieldbus-basedcontrolsystemofoilfieldinjectionstation.Afteranalyzingthesituationsuchasthetechnologicalprocess,technicalindicator,equipmentsetc.ofWater-injectionPumpingStation,anoverallschemebasedonFiledbustechnologyofthewholemonitoringsystemisproposed.IntheresearchfieldbuscontrolsystemtechnologyandPLCcontroltechnologybasedontheuseofAmericanRockwellAutomationproducts,theuseoffieldbuscontrolsystemtechnologyandmanagementfromthefieldtotheunderlyingsoftwaretechnologytoachievethiscontrolsystem.1.ControlSystemNetworkStructure:ThemainstudyofthedistributedI/Oremotecontrol,two-storybuildingRockwellNetwork-IndustrialEthernet(Ethernet/IP),controlnetwork(Control-Net),byRockwellAutomationwithEthernetInterfaceLogix5555processortocompletetheunderlyingI/Ooperationsandsystemmanagementfunctions,andonthisbasis,thecompanyformedbyRockwellEthernet/IP-basedFieldbusControlNet.PreparedusingtheRSView32HMItoachievethewaterinjectionstationsiteequipmentInstrumentsignalacquisition,processing,waterinjectiontechnologytoachievethefullrangeofautomationcontrol.2.InthewaterinjectioncontroloftheuseofPIDcontrol:theuseofLogix5561processorinthePIDinstructioninthewaterinjectionprocesstoachieveclosed-loopcontrol,makingtheamountofwaterstabilizedatsetpoint.Processorsettingsbycalculatingtheamountofwater(SP)andtheactualprocessofwaterinjectionflowlinesexportvalue(PV)deviation(E),byrunningthePIDinstruction,theprocessortooutputsignalstransmittedtothecontrolvalve(CV)toadjustthevalvedooropening.Atthesametime,wecanadjusttheKp,Ki,KdvaluesofthePIDcontroltoadjust.3.Theuseofsystemsoftware:ThesoftwaredesignofthefirsttouseRSLinxdriversandservicesfornetworkcommunicationsoftware;Second,useladderprogrammingsoftware-RSLogix5000,onLogix5561processorprogramming;aftertheuseofRSNetWorxsoftwarefornetworkcontrolnetworkBook;FinallyRSView32softwaresystemsandprovidesmonitoringandconfigurationuserinterface.Thissystemrealizesautomaticcontrolofwaterinjectionstationmonitoringsystemandreal-timemonitoring,tomeetcurrentproductionrequirements.Keywords:InjectionStation；MonitoringSystem；Rockwelltwo-tiernetwork；RSLogix5000；RSView32；PID目录1绪论...................................................................................................................................................11.1注水系统的现状及研究意义............................................................................................11.1.1注水采油在油气田开采上的重要作用.................................................................11.1.2国内外油田生产自动化技术应用现状.................................................................11.1.3注水站监控系统的研究意义....................................................................................21.2研究目的和主要内容..........................................................................................................31.2.1研究目的..........................................................................................................................31.2.2主要研究内容.................................................................................................................31.3设计任务与要求....................................................................................................................41.3.1设计任务..........................................................................................................................41.3.2技术要求..........................................................................................................................42注水站总体设计...........................................................................................................................62.1注水站工艺流程....................................................................................................................72.2注水站所应满足的工艺要求............................................................................................72.3系统总配置..............................................................................................................................83注水站监控系统总体设计.......................................................................................................113.1系统设计要求.............................................................................................................