纸塑包装制品生产工艺操作指导

纸塑包装制品生产工艺指导Productionprocessguidanceofpaperpulppackingproducts一、制浆、供浆系统：Pulpingandpulpsupplysystem1．原浆板或废回收纸：在制浆车间规划出专用的地区分类摆放好原浆板或废回收纸，在进入摆放区的原料应先做好杂质、粘胶纸、装订针、包装带的分拣工作，以防杂质混入纸浆后影响成品的外观和构造力。Virginpulpboardorrecycledwastepaper:Youneedtoprepareaspecialplacetoputthevirginpulpboardorrecyclewastepaper.Beforeyouputtherawmaterialinthearea,pleasesortoutimpurities,adhesivepaper,bindingneedingandpackingbeltfromrawmaterialtopreventimpuritiesmixedwithpaperpulpeffectingtheappearanceandstructure.2．碎浆:原料在进行破裂分解以前，先在磅秤上称好重量，然后再经过人工投料或原料输送带进给的方式逐个将原料投到水力碎浆机的工作桶里，加入适当的水混淆，而后起动碎浆机；碎浆时间一般状况下为20～30分钟，和原料的含水率、成份以及水温相关。Pulping:Beforepulping,youshouldweight,thenputtherawmaterialtobarrelofhydrapulperbymanualorconveyor,addsomewater,thenstartthemachine.Generally,thepulpingtimeis20-30minaccordingtothemoisturecontentofrawmaterialandwatertemperature.3．放浆:水力碎浆体制好的浆经过机器底部的放浆阀直接排放到浓/配浆池或由连结在放浆管上的浆料输送泵到浓浆池，放浆过程中碎浆机一边运行一边翻开进水阀适当的冲水；对纸浆分解度要求较高的场合，还要在浆料输送泵的后一级增添纸纤维疏排除砂磨浆机。Drawoffpaperpulp:Afterpulping,thepaperpulpwillflowtopoolthroughthereleasevalveinthebottomofthemachine,orflowtothepipewhichconnecttothepool.Andduringthisprocess,shouldturnonthehydrapulperandopeninletvalvetopourintosomewater.Ifyouhavearequirementaboutpulpdecompositiondegree,youcanaddoneprocessofpulpfiberrevocablesandpulpingmachine.4．浓/配浆:从水力碎浆机或前一级浆泵（包含磨浆）输送到浓浆池中的浆料由安装在浓/配浆池上的浆料搅拌器充分搅拌、加水混淆平均,这时浓/配浆池中的浆料浓度应调为切合生产要求的供浆浓度约为～%。这时可依据纸浆产品对防水防油防潮的要求加入适当的增添剂，对有些增添剂有特别工艺要求的可放入碎浆机中充分搅拌混淆。Thick/mixingpulp:Afterthepulpflowstothepool,addsomewater,thereispulppondbeaterwhichinstalledonthepooltostirthepaperpulp,adjustthepaperpulptotherequiredconcentrationofcanaddsomeadditivesinthepoolaccordingtotherequirementofwaterproof,oilproofanddampproof,andstirthepaperpulptomixit.5．供浆:前一级配浆泵将配浆池中调好浓度、搅拌平均、切合生产工艺要求的浆经过配浆泵泵到供浆池中，再由供浆泵输送给生产线上的各成型设施，成型设施的溢流浆经过溢流回浆管路再回到供浆池。Paperpulpsupply:Afterthepulpadjusted,thepaperpulpwillpumpedtothepulpsupplypoolbypulppump.Thenpulppumpwillsupplythepulptotheformingmachine.Theoverflowpulpofformingmachinewillreturntothepulpsupplypoolthroughpipe.二、产品成型系统:Formingsystem半自动餐盒成型机开机前应检查各运动零件的润滑油状况,机器内储气罐的排水阀、气源三联体中油杯的油量.Pleasecheckthelubricatingsituationofformingmachine,checktheoilmassofdrainvalve,gastripletsincompressedairpotbeforestartthemachine.开机前检查模具的紧固状况,模具表面网面有没有纸浆或破坏的状况,洗模和洗毛边的供水状况以及喷嘴有没有拥塞.Checkthefasteningsituationofmould,checkwhetherthereispulpordamageonthewiremesh,checkthewatersupplysituationandspraynozzleisplugornot.空气压缩系统工作后,检查到半自动餐盒成型机的气源压力能否稳固在5～6kg/cm2,而后起动半自动餐盒成型机。Afteraircompressedsystemworks,checkwhethertheairsourcepressureoftheformingmachineisin5～6kg/cm2ornot,thenstartthemachine.起动供浆系统后,察看进入机器浆桶里的浆料浓度状况,同时翻开浆桶底部的搅拌吹气手动阀,溢流状况能否正常.Startpulpsupplysystemandobservetheconcentrationsituationofpulpinthebarrel.Meanwhile,openblowvalveofbottomtanktocheckwhethertheoverflowisnormal.上述环节确认正常后,既可转入生产.Aftertheabovestepsarenormal,thenyoucanstarttheproduction.每日下班后要将模具冲刷洁净,以防吸附在模具网上的纸纤维时间长累积多了后造成堵网现象;机器浆桶内的余浆在用不完的状况下尽量排掉,而后冲刷洁净,免得因气温高的时候在浆桶内发酵腐化.Cleanthemouldbeforeyoustopthemachine,toavoidthepaperpulpstickonthewiremeshanditwillcauseplugnetfromdaytoday.Pleasedrawofftherestofpaperpulpandcleanthebarrel,topreventthepulpfermentationdecayinthetank.三、循环水系统:Circulatingwatersystem:半自动餐盒成型机成型模具上真空脱水出来的白水经过真空管道流入负压/排水罐中,由安装在排水罐上的液位传感器控制排水电磁阀而开关系统中相应的气动阀和单向止回阀的工作，进而将系统中的循环白水排放到回水池中储存，以供制浆系统碎浆、调浆用.Whentheformingmachineproducesproducts,extractthevacuumfromformingmould,thewaterofpaperpulpwillbesqueezedandthewaterwillflowtovacuumsubnormalpressurecontainer/waterdischargecontainer.Startliquidlevelsensorcontroldrainagesolenoidvalveofwaterdischargecontainer,pneumaticvalveofswitchsystemandcheckvalve,tomakethewaterdischargeintowaterrecyclepoolforpulping,pulpadjusting.制浆系统中各环节上的调浆稀释用水由循环回水池上的水泵供应,这样就保证了循环水的重复利用.Thewaterwhichusedforpulpingisfromthewaterrecyclepoolbypump,itensuresthecirculatingwaterreuse.循环水的改换时间因气温、原料和生产状况等要素而不确立,一般15～30个生产日,改换循环水时应完整抽洁净循环回水池中的水,将池内积淀物所有冲刷洁净.ThetimeofChangingthecirculatingwaterisaccordingtothetemperature,rawmaterialandproduction,generally,youneedtochangethewaterin15-30days,extractthewaterandcleanthewatercyclepool.四、真空泵供水系统:Vacuumwatersupplysystem方法一：水环式真空泵工作过程中要不停的用水，对一般生产量不太大，每日只有一班进行生产的，能够考虑用一台真空泵专用供水泵抽循环回水池中的循环水供真空泵使用。Method1:Youshouldconstantlyusewaterduringthewaterringvacuumpumpworking,iftheproductionissmall,justuseoneshiftofworkers,youcanconsiderusingonesetofpumpwhichspecialforvacuumtopumpthecirculatingwaterforcirculatingwatersupplypumpusing.方法二：水环式真空泵工作过程中要不停的用水,关于水的纯净度有必定要求,供水压力在200hpa就能知足要求,因此整个真空泵用水采纳清水罐独立供水.视真空泵功率大小和循环水温、水量看能否需要配置冷却塔散热系统。详细接驳时在真空清水罐的出口处设有手动阀,每日上班前翻开阀门,下班后封闭,以防长时间有水浸着锈蚀真空泵.气温在零度以下的地方还要注意做好防冻举措.Method2:Youneedtoaddwaterconstantlyduringmachineworkingperiod,andwaterpurityshouldberequired.Thewatersupplypressshouldbe200hpatosatisfytherequirement.Soitadoptscleanwatertanktosupplywaterseparatelyinwholevacuumpump,andtocheckwhetherneedscoolingtowercoolingsystemaccordingthepowerofvacuumpumpandcirculatingwatertemperatureandwaterlevel.Afterconnection,thereisamanualvalveintheexitofvacuumcleanwatertank,openthevalvebeforeworkandcloseafterworktopreventwaterrustsvacuumpump,andyouneedtomakeanti-freezingmeasureswhenthetemperatureisbelowzerodegree.五、空气压缩系统:Compressedairsystem螺杆式空气压缩机、储气罐和压缩空气构成的空气压缩系统是为整个成型系统供应洁净稳固的气源,平时维保做的好基本上是无故障的.Aircompressedsystemiscomposedofscrewaircompressor,compressedairpotandcompressedair,whichprovidecleanandstableairsourceforallformingsystem.Andthereisnomalfunctionifyoumakedailymaintenance.每日下班后放尽储气罐里的压缩空气,翻开储气罐底部的放水阀排完储气罐中的冷凝水.Releaseallthecompressedairofcompressedairpotandopenwaterdrainvalveofpotbottomtoreleaseallcondensatewater.在室温较高或空气相对湿度较大的季节,必定要开压缩空气冷干机冷凝压缩空气中的水份,防备高温高压含有必定水份的压缩空气进入到设施中破坏气动元件,在低温干燥的冬天视详细状况可不开冷干机,封闭冷干机出入口阀门,翻开冷干机直接阀门即可.Iftheroomtemperatureishighorairrelativehumidityishigh,youshouldopencompressedairdryertocompressthemoistureofairtopreventthecompressedairenterintomachinetodestroythepneumaticelementsinthehightemperatureandhighpressure.Inlowtemperatureofwinter,youcanstopthecompressedairdryeraccordingtothesituation,closeinletandoutletvalvesandopendirectvalveofcompress