蒸汽行业应用-corrugating(造纸)课件.ppt

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1、TheCorrugatingIndustryIndustryTrainingManualMT/02/11/03CorrugatedBoardLiner(typically200-300g/m²)Fluting(typically125g/m²)GlueFluteheightCommonTypesofBoardDoublewalledSinglefacedDoublefacedTriplewalledATypicalCorrugatorSinglefacerSinglefacer(单面机）DoublebackerBridgeTriplexp

2、re-heaterGluemachineHotplatesBoarddirectionSingleFacerLinerreelPre-heaterPre-conditionerFlutingmediumreelSinglefacerSinglefacedboardtodoublebackerBridgeInsideaSingleFacerFlutingmediumLinerPressrollGluerollSteamshower(Gaylord)SinglefacedboardStarchCorrugatingrollsDoubleBac

3、kerBridgeFromsinglefacersLinerTriplexpre-heaterGlueunitFeltHotplatesFeltshowerTofinishingprocessesBoarddirectionDoubleFacerSinglefacedboardLinerSinglefacedboardGlueGlueHotplatesFeltblanketBoarddirectionStaticCylinderCylinderSteaminCondensateoutSyphonpipeSyphonsStationarys

4、yphonremainsinfixedpositionRotatingsyphonrotateswithcylinderRotatingCylinder1.Stationary2.Puddling3.Cascading4.RimmingCondensateinaRotatingCylinderForacondensatefilmthicknessof5mmCylinderoutsidediameter-mmCylindersurfacespeedm/min200300400500600700800900100005010020015025

5、0300“Puddling”“Cascading”“Rimming”350400450“Puddling”or“Cascading”CondensateSteaminCondensateoutRotaryjointSteamtrapsetusingFTwithSLR“Rimming”CondensateSteaminCondensate&blowthroughsteamoutRotaryjointSpiraviewsightglassSteamtrapsetusingFTwithblowthroughconnectionDifferent

6、ialPressureControl+HPsensingline-LPsensinglineSteamRotatingcylinderSteamtrapwithblowthroughvalveCondensate&blowthroughsteamDifferentialpressurecontrollerFlash&blowthroughsteamCondensateCascadeSystemLivesteamFlashsteamCondensateHighpressuresteamapplicationsPRVMediumpressur

7、esteamapplicationsPRVLowpressuresteamapplicationsHighpressuresteamMediumpressuresteamLowpressuresteamMediumpressureflashsteamLowpressureflashsteamCondensatereturnFVFVTypicalDifferentSteamPressuresRequiredbyaCorrugatorSteamloadsareforacorrugatorwithtwosinglefacerunitsTypic

8、alCascadeSystemCondensatefrom1-3barsourceCondensatefrom10-14barsourceLPFlashsteamtoshowersMPFlas