雙套管正壓氣力除灰控制系統(tǒng)的設計及實現(xiàn).pdf

1、西安科技大學碩士學位論文雙套管正壓氣力除灰控制系統(tǒng)的設計及實現(xiàn)姓名：李俊華申請學位級別：碩士專業(yè)：控制理論與控制工程指導教師：王再英20070420Subject：DesignandRealizationofthePositivePneumaticAshRemovalControlSystemofDoubleCasingPipesSpecialty：ControlTheoryandControlEngineeringName：liJnn

2、huaInstructor：WangZaiyingABSTRACT(Signature)(筠gnatlIre)j妞產(chǎn)墮瑚Based儺thesufficientresearchontheoperationexamplesofpneumaticashremovaltechniqueathomeandabroadandrelatedresearchwork，andbycombiningtheactualsituationofashremova

3、linpowerfactoriesinourcountry，thisprojectadoptsthepositivepneumaticashremovalsystemofdoublecasingpipesequipmemtemoveashasforthecontrolesystemfor2X300MWunitintechnologicalreformpfojcctinDat拙gHuCountyPowerFactory。Bycombini

4、ngtheindustrycontrolcomputernetworkwithahighlyreliable，largesizedSIMATIC$7400seriesofPLCtocomposethecontrolsystemLAN，itadoptsPLCprogrammingtealizethecontrolfunctionofeachashconveyingsubsystem。ItalsoselectstheRSView32700g

5、roupconfigurationmonitoringsoftwarepackagefromUSABCompanytoperformimageconfigurationforeachcontrolsystemtogivethefunctionofmonitoringtotheilllage。ItalsoUSeSS7一PLCSIMsimulationsoftwaretotrialdebugtheprogramOnthespotforasa

6、ferpracticalapplication。Inaddition，itadoptsthekineticprinciplestostudyandanalyzethemechanism，operationpatternsystemcalculationmethodofashremovalstyle。Bycombiningthetheoriesofdualphrasedistributionofgasandsolidandpressure

7、loss，itsetsupmathematicalmodelsfordoubleeasmgpipestoanalyzedoublecasingpipestructure，thusprovidingthecalculationformulafortheoptimizedconfigurationofthediameterofthetwopipes，whichisprovedbyexperimentsFinally，itaddsPIDtot

8、hesystemforparameterarrangementtoperfectthesystemperforce)thatis，it咖realizethefunctionofashremovalforthecontrolsystembyuppermachinePClowermachinePLCimageconfigurationH／vIIThestudyanddesignofthistopichasfoundapplicationin