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ID:9885898
大小:1.77 MB
页数:31页
时间:2018-05-12
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1、PapermakingTheprocessofgoingfromPulptoPaper*Themainpartsofthispptwereobtainedfrominternet.ObjectivesOfPapermakingGoodFormationPhysicalandOpticalPropertiesHighCapacity(tonspaper/day)PapermakingWettoDryStockPreparation(Wet-end)Refining,Screens,Cleaners,ChemicalAdditivesPapermachineHeadbox,FormingSe
2、ction,PressSection,Dryers,SizePress,PaperReelDryEndCoating,Calendaring,Rewinding,PackagingStockPreparationpulp,stock,stuff:浆,浆料pulppreparing,stockpreparation:备浆chest:浆池;(stock)tank:(浆)池,槽reject,rejects,rejectedstock,rejections,ejects:筛渣,浆渣tailings:尾浆,浆渣clogging:堵浆beater:打浆机refiner:精浆机、打浆机beatingde
3、gree:打浆度oSR(Schopper-Riegler):肖氏打浆度;CSF:加拿大标准游离度acceptedstock:合格浆料,良浆accept:良浆additive:添加剂approachflow(ofstock):(浆料)上网approachflowsystem(纸机上的)流浆系统pulper,aquapulper,hydrapulper:水力碎浆机brooming:帚化furnish:配料form,forming:(纸页)成形filler:填料fillerretention:填料留着率firstpassedretention:首程留着率decker,thickener:浓缩机k
4、not:浆节wet-endchemistry:湿部化学RefiningPurposeofRefiningCollapsefiberstoimprovebondingFibrillates(shredsfibers)toimprovebondingRefiningIncreasedBondingPressureScreensRemovelargecontaminantsPlasticsMetalsRocksCentrifugalCleanersUsecentrifugalforcetoremovecontaminantsRemovesparticlesthatarelighterorhea
5、vierthanpulpPlasticsDirtChemicalPaperAdditivesAcidsandBasesControlpHSizingAgentsRosin,waxes,AKD(Alkylketenedimer)UsedforpapergradesrequiringwaterrepellencyorcontrolledrateofwaterabsorptionDryStrengthAdditivesStarchandotherpolymersUsedtoimprovestrengthandstiffnessofpaperWetStrengthAdditivesPolymers
6、thatcrosslinktofibersurfacesUsedforpapergradessuchastowelingChemicalPaperAdditivesFillersClay,talc,TiO2(titaniumdioxide)ImprovesopticalandsurfacepropertiesforprintinggradepapersRetentionAidsPolymersthatimproveretentionoffiberfinesandfillers(CPAM,cationicpolyacrylamide)DefoamersImprovewaterdrainage
7、andsheetformationSlimicidesControlsslimegrowthandothermicroorganismsinpapermachinewhitewaterPapermachineHeadboxandFormingSectionPressSectionDryerSectionPapermachinepapermaking:抄纸,造纸paper:纸sheet:纸页paperweb:纸幅weakw
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