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ID:32257967
大小:3.89 MB
页数:54页
时间:2019-02-02
《现代高速新闻纸机生产低定量轻型纸的的研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、摘要ABSTRACTBulkpaperbecomesmoreandmorepopularforitsadvancessuchasgoodcolor,highbulk,goodstiffnessandcost.Itisnotonlyusedfortheprintingofnovelsbookwidely,andalsotheschooltextbooksandtextbooksprovidedinordertoreducetheweightofschoolbagsandprotecttheeyesightofstuden
2、ts.Sothebulkpaperbecomesoneofthepaperwithgoodmarketprospects.9撑papermachineinHuataiGroupismainlyanewsprintpapermachine,whichannualoutputis160thousandtonsandpapermakingwidthis6350111111,anddesignedmachinespeedis1,200m/minute.Duetothecurrentbadmarketcondition,theb
3、ulkpaperwasproducedin9撑papermachine,becausethepropertiesandstructureofthepapermachinesuchaSdoublewireformation,doublelineddrierandsoftcylinderaresuitableforculturalpaper.Thetechnicalconditionssuchasfurnishratioandchemicalsaddedforhighqualitybulkpaperproductionwa
4、sstudied,andthebulkpaper嘶nlgoodqualityWasproducedinpapermachinewithhighspeed.ThefurnishesratiowasdeterminedbasedonthedifferentpropertiesofaspenBCTMP,bleachedsoftandhardwoodpulp(BKP)anddeinkedpulp(DIP),andthetheirinfluenceonthebulk,thickness,physicalproperties,br
5、ightnessandopacityWasstudied.ThebeatingcharacteristicsofBCTMPanditeffectonthepropertiesofpaperw觞mainlystudiedduetothehighratioofBCTMPinfurnishes.TheoptimumpulpsratioiSBC聊:BKP:DIP=60:20:20Inordertoimprovethesurfacepropertiesandopacityandreducethecost,5%PCCWasused
6、asfillerinpapermaking.Theopticalbrightenagent(OBA)dosageWas0.05%.AKDwasusedassizingagent,whichdosageWasO.4%andpHWas7-7.5.Theretentionsystemandthedosageofretentionagentswasdetermined,andCS-CPAMsystemWaschosenastheretentionsysteminwetend,inwhichCSdosageWas1.O%andC
7、PAMPdosageWas0.02%andbentonitedosageisO.3%.TheproductiontrialWascarriedoutin9群papermachinebasedOlltheoptimum2山东竺王些兰堕竺!登丝笙苎.一————————————————————————一collditionsobtainedinlaboratory,andthegoodqualityproductmatchingQB/T2809—2006s伽dard哪produced.Thehigherbulkwasrequ
8、iredby也ecustomers,sotherawmaterialsforDIPandtheratioofthreepulpswasadjusted,andthepressureompresssectionandcylindersectionWasalsooptimized,andthebulkof删productreached
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