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《基于plc的沼氣發(fā)酵監(jiān)控和數(shù)據(jù)采集系統(tǒng)設(shè)計(jì)》由會員上傳分享,免費(fèi)在線閱讀,更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫。
1、華中農(nóng)業(yè)大學(xué)2013屆專業(yè)學(xué)位碩士學(xué)位論文AbstractWiththesupplyshortageofenergysourcesandtheseriousenvironmentalpollution,solvingtheenergyshortageandeffectivelycontrollingenvironmentalpollutionhavebecometwodifficultproblemsaroundtheworld,SOunearthingrenewableenergyisimminent.Biogasisapotentialcleanenergysourcethatisfor
2、medbybiotransformation,anditcanbeusedforfilelinsteadofstrawandlithospermum,whichwouldnotonlyreduceconsumptionofnon—renewableenergysources,suchascoal,gas,butalsoreducetheemissionofpoisonousgases,suchasC02,902.Biogasfermentationtechnologyisusedtodisposeofbiomasswastesthatincludelivestockandpoultryman
3、ure,cropstraw,kitchenwastes,organicwastewater,sewagerunoffandSOon,whichisoneoftherenewableenergytechnologydevelopedenergeticallyinourcountry.Therefore,usingbiomasswastesrationallyandacceleratingtheindustrialbiogasdevelopmentareeffectivewaysinsolvingenelgyshortageanddecreasingenvironmentalpollutioni
4、nourcountry.Thispaperaimedatdesigningautomaticmonitoringsystemforbiogasfermentationthathasfriendlyman·-machineinterfacetoreal-·timeon·-linerecordandmonitorparametersoffennentationprocessforsmallbiogasusers.Themaininfluencefacmrsofbiogasproductionprocesswerestudiedbyusingtropicalwasteresourcestocrea
5、tebiogas.Thesystemwouldmonitortemperature,pressure.flow,PHvalue,maingascomposition(CH4,H2S,C02),whichcombinedhardwarefeaturesofassociatedsensors,transmitter,PLC.touchscreenandcomputerwithindustryconfigurationsoftwareForce—control6.1.Thesystemhadthefollowingadvantages:wouldachievelocalandremotecontr
6、olfunction,wouldworkinautomaticormanualmodeandensurethereal—timemonitoringrecordsoftechnologicalparameter,whichwouldnotonlydecreaselaborintensityintheoperation,butalsomakethefermentationprocesskeepthebestcontrollableworkingstatus.Finally,thesystemmayimproveefficiencyandmanufacturingprocesses,andpro
7、videreal-timeorhistoricaloperatingdatawhichwereusedtoanalyzethefermentationtechnologyinbiogasproductionprocessbyresearchers.Keywords:Biogasengineering;Force-controlconfigurationsoftware;PLCmonitoringsystem;