文档介绍：电厂实****的目的和意义PracticethepurposeandsignificanceofpowerstationTheintern'panies,mainlyinthemainthermalsystemofcoal-firedpowerplantsanditslayout・Thesiteofthisvisitisthepowerplantmodelroom,nanjingxixinsludgepowerplant,nanjingsteamturbinemanufacturingplant・,practicalforcoal-firedpowerplantsMainproductionequipmentofthebasicstructure,prehensiveunderstending,notafterthefollow-upprofessionalcoursesofstudyprovidenecessaryperceptualknowledgeandbasicknowledge・Coal-firedpowerplantsistheuseoffuelssuchascoal,oil,naturalgaschemicalenergyoutputofthepowerplant,whichisachemicalenergyoffueltosteamthermalpotentialenergy,,thechemicalenergyoffuelintotheheatenergyofsteam,thesteamturbine,thesteamheatenergyintothewheelrotatingmechanicalenergy,,machine,andelectricityarethemainequipmentinthepowerplant,alsoknownasthethreemainengines・Thedevicesthatassistthethreemainenginesarecalledancillarydevices・Thehostandtheauxiliarymachineanditsattachedpipes,lines,etc・Arecalledtheseries・Themainsourceofthecoal-(southBeijinggoldenconcordsludgepowerplantistousecoalshiptopowerplantterminal),thenusecoalconveyingbeltconveyortothecoalscuttle・Fromthecoaltothecoalmill,thecoalpulverizerisgroundtogrindthecoalpowder,andthehotairissenltodryanddeliverthecoalpowder・Therearendofthefurnaceisburnedinthefurnace・bustionhotairfromtheblowerintoairpre-heaterofboilerheating,hotairafterpreheating,partthroughtheairducttomakedrymillandpulverizedcoal,theotherpartentersthefurnacetoleaddirectlytotheburner・bustion,undertheactionofinduceddraftfan,firstalongtheinvertedshapeboilerflue,inturn,flowsthroughthechamberofastoveorfurnace,waterwall,superheater,economizerandairpreheater,graduallywillheattotheworkingmediumofthefluegasandairatthesametime,itselfintoalowtemperatureoffluegas,thedustremoveranddesul