the process of papermaking

the process of papermaking

ID:9885898

大小:1.77 MB

页数:31页

时间:2018-05-12

the process of papermaking_第1页
the process of papermaking_第2页
the process of papermaking_第3页
the process of papermaking_第4页
the process of papermaking_第5页
资源描述:

《the process of papermaking》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库

1、PapermakingTheprocessofgoingfromPulptoPaper*Themainpartsofthispptwereobtainedfrominternet.ObjectivesOfPapermakingGoodFormationPhysicalandOpticalPropertiesHighCapacity(tonspaper/day)Papermaking WettoDryStockPreparation(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)toimprovebondingRefining IncreasedBondingPressureScreensRemovelargecontaminantsPlasticsMetalsRocksCentrifugalCleanersUsecentrifugalforcetoremovecontaminantsRemovesparticlesthatarelighterorhea

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

当前文档最多预览五页,下载文档查看全文

此文档下载收益归作者所有

当前文档最多预览五页,下载文档查看全文
温馨提示:
1. 部分包含数学公式或PPT动画的文件,查看预览时可能会显示错乱或异常,文件下载后无此问题,请放心下载。
2. 本文档由用户上传,版权归属用户,天天文库负责整理代发布。如果您对本文档版权有争议请及时联系客服。
3. 下载前请仔细阅读文档内容,确认文档内容符合您的需求后进行下载,若出现内容与标题不符可向本站投诉处理。
4. 下载文档时可能由于网络波动等原因无法下载或下载错误,付费完成后未能成功下载的用户请联系客服处理。