Process Simulation using Aspen Dynamics.pdf 英文文献资料

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1、ProcessSimulationusingAspenDynamicsWorkshopsWorkshops1.AddDynamicData2.RunningDynamicSimulations3.RCSTR4.HeterogeneousAzeotropicDistillationWorkshop–AddDynamicDataProcessFlowsheetFeedConditionDynamicdataofSeparatorAddtheDynamicDataVesselTypePrepareto

2、Dynamic}AddthedynamicdataandrunthesimulationPressureCheckSendtoAspenDynamicsWarningMessagesExportingAspenDynamicsBasicFlowsheetofAspenDynamicsWorkshop–RunningDynamicSimulations}ContinuethedynamicfileofSeparatorTankInitializationInstallaController下拉至C

3、ontrolModels點選下面有大圖示選擇PIDInstallaController反白後按住左鍵拖曳至主畫面InstallaController出現新的控制器[B1]ControlSignal下拉至StreamType並反白出現ControlSingalControlSignal左鍵按住ControlSignal拖曳至主畫面，出現藍色箭頭，表示可連接訊號處ControlSignals按住左鍵到控制器訊號輸入點選B1.PV按下確定ControlSignalsConnection再拉至Fstre

4、am輸出藍色箭號點選F(Totalmoleflow)F(Totalmoleflow)按下OKControlSignalsConnection完成控制訊號至B1來源連接控制器訊號以相同的動作將訊號連接至閥，然後點選B1.OP，按下OKCompleteaSimpleControllerControllerParameters點擊B1兩次出現控制面板點擊Configure設定控制器完成後給予初始值SetupAllControllersTypicalControllerSettings}FlowCont

5、rol:}Kc=0.5}=0.3(minutes)τI}=0.1(minutes)τFτ}LevelControl:I}Kc=2}PressureControl:}Kc=2}=10(minutes)DynamicPlots1.在快捷鍵按下NewPlotNewPlot或在Tools新增NewPlot2.鍵入繪圖名稱DynamicPlots將F拖曳至繪圖區點兩次F顯示F裡面的變數DynamicPlots點擊Y軸或是X軸，可以依自己喜好改變變數名稱DynamicPlots先做initializatio

6、nruninitializationrunDynamicPlotsRunOption設定模擬時間與CommunicationtimeCommunicationtimeDynamicPlots在第一小時PauseDynamicPlots設定為Dynamic按下RUN在第一小時Pause給予增加流量設定點擾動然後再給負向設定點擾動Workshop–RCSTR}ComparewithdifferentheattransferoptionsIntroduction}Expandtreatmenttoco

7、nsiderreactingsystems}Reactorsinwhichexothermic,irreversiblereactionstakeplacearethemostchallengingkineticsReaction:Aniline+HyygdrogenÆCyyy()clohexylamine(CHA)CHN+3HÆCHN672613(i)Exothermic(ii)IrreversibleReactorConditionsReactor:Pressure595psiReactor

8、Temperature250F250Fcondition3Volume1200ftReactortypeVerticalcylindricalvesselReactorliquidlevel80%ReactorConditionsInputReactionKineticsReactionrate:Rk=VCCRkCHAVRCACHWhere3ftVR:reactorvolumelbmole3lbmoleftCA:concenttitrationoffAiliAnilineft3C:concent