干网知识培训课件

ByWernerThommenProductmanagerdryersAndyZhouTechnicalserviceDryerFabrics

干网ByDryerFabrics

干网Typesofyarnsandmaterials(原材料种类)Dryendoperation,(干燥工艺)Definitions(定义)DryerFabricRequirements,(干网要求)Designs&Features(设计与特性)Installation,Tension&Guiding(安装,张力与定位)Summary&Questions(总结和问题)DryerFabricCourseOutline

提纲Typesofyarnsandmaterials(Australia(澳大利亚)Bangladesh(孟加拉国)China(中国)India(印度)Indonesia(印尼)Japan(日本)Korea(韩国)Malaysia(马来西亚)NewZealand(新西兰)Pakistan(巴基斯坦)Philippines(菲律宾)Taiwan(台湾)Thailand(泰国)Vietnam(越南)干网知识培训Locations:位置NorthAmerica:北美USA:7plants

美国:7个工厂Canada:3plants

加拿大:3个工厂BelgiumCzechRepublicAsia:亚洲China

中国AstenJohnsonsalesofficeSingaporeLocations:位置Typesofyarnsandmaterials

原材料种类Typesofyarnsandmaterials

原YarnTypes线的种类SpunYarn细纱Monofilament单丝RoundMonofilament圆形单丝ShapedMonofilament其他形状单丝YarnTypes线的种类SpunYarn细纱RegularRoundMonofilament常用圆形单丝RegularRoundMonofilament常用圆形ShapedMonofilament其他形状单丝ShapedMonofilament其他形状单丝RibbonShapedMonofilament带状单丝RibbonShapedMonofilament带状单YarnMaterials线的材料Polyester聚脂Polyamides聚酰胺PPS抗磨损聚脂PEEK耐高温聚脂YarnMaterials线的材料Polyester聚脂KeyProperties:主要特性Excellentdimensionalstability尺寸稳定Excellenttensilestrength良好的抗张强度Excellentresistancetoabrasion良好的抗磨损性Chemicallyresistanttoacids耐酸性Fairresistancetoalkalis抗碱性Moderateresistancetohydrolysis中等耐水解性Polyester聚脂KeyProperties:主要特DRY-ENDOPERATION

干燥工艺DRY-ENDOPERATION

干燥工艺FunctionsofaDryerFabric

干网的功能Supportssheetthroughdryersection(纸张的支撑)fullsupportthroughUno-run&SingleTiersectionsImprovesheat&masstransfer(提高热与质量传递)bettersheetcontactondryercanFunctionsofaDryerFabric

干网SomeDefinitions

定义SomeDefinitions

定义Definition:定义 Volumeofairperunitareathatpassesthroughafabricunderapressuredifferentialof1/2”ofwatercolumn. 在1/2”水柱压力差异下通过网的空气数量单位.Permeability透气性Definition:定义Permeability透气性HydrolysisDefinition

水解Adoubledecompositionreactioninvolvingtheadditionoftheelementsofwaterandtheformationofanacidandabase,anacidandanalcohol,oranacidandphenol,resultinginmajortensileloss.一种包含了水分子的酸合物,或酸和酒精,或酸和苯酚的复分解反应,其结果是伸长性的丢失.HydrolysisDefinition

水解AdoubHydrolysis水解Yarndegradationcausedbyacombinationofhighheatandmoisture–bothheat&moisturemustbepresent.(水解导致线的退化是由高温与湿气引起)Fabricgets“rotten”usuallystartingontheedges.(网的腐化往往是从边上开始)Hydrolysis水解YarndegradationMustbedimensionallystable.尺寸稳定Providegoodrunnability提供良好的运转性Musthaveasmoothsurfaceandseam光滑的表面和接缝Mustbeofadequatestrength足够的拉力Contaminationresistantandeasycleaning抗污及易清洁Haveanevenperm-profile透气性的一致性DryerFabricRequirements

干网要求Mustbedimensionallystable.DryerFabricRequirementsHavetherightair-permeability正确的透气值Air-perminrelationwith:透气性与以下相关Dryingcapacity干燥能力Sheetstability纸张稳定性DryerFabricRequirementsHaveDryerFabricRequirementsAchieveareasonablelifetime.达到合理的寿命Factorsaffectingthelifetime:影响寿命的因素Contamination(污染)Hydrolysis(水解)Chemicaldegradation(化学退化)Abrasion(磨损)DryerFabricRequirementsAchieDryerFabricDesigns&Features

设计与特性DryerFabricDesigns&FeatureMonoTierConcept:FeaturesandBenefits

MonoTier概念:特性与优点MonoTierConcept:FeaturesandFloatWeaveConventionalMonoTierFloatWeaveConventionalMonoTieContactAreaMonoTierBalancedWeaveContactAreaMonoTierBalancedWSameContactareaasfabricExceptionalStrengthNon-markingMonoTierConcept:PinSeamSameContactareaasfabricMonFabricstrengthcomparisonFabricstrengthcomparisonPinseamProductManagement18.10.2006MonoTierStreamlineCoilSeamSeamDesigns接缝设计PinseamProductManagement18.SpiralfabricSpiralfabricExtrafineSpiraldesignForhighspeedmachinesForsingletier,UnoRunandconventionalpositionsLowcaliper1.6mmHighcontactarea30%EasytocleanPermsteps110-150-200-250cfmBi-coloredseamspiralSpiralFineExtrafineSpiraldesignBi-coloTheMonoTIeradvantageof2independentwarpsystemsAbrasionTheMonoTIeradvantageof2inFABRICINSTALLATION

网的安装FABRICINSTALLATION

网的安装INSTALLINGNEWFABRIC

WITHOLDFABRIC用旧网安装新网INSTALLINGNEWFABRIC

WITHOLDUSINGLEAD-ONHARNESSUSINGLEAD-ONHARNESSTYINGGUIDEPADDLETYINGGUIDEPADDLEFabricInstallationTheimportantsteps:重要步骤EnsureallIsolationsareinplace隔离装置到位 Centertheguideroll导向居中Secureguidepalm安全Alignfabric调整…..FabricInstallationTheimportaFabricInstallationTheimportantsteps(cont’d):6.Seaming接缝Startatguidepalmside.从导向端开始AlignMarks调整标记Passthepintletroughtheseamchannel.穿连接线UsetheSeamingassisttominimizetension用接缝辅助使张力最小化Whenpullingthewire,doitslowlytoavoidfrictionheat.慢拉以防止摩擦热量的产生Finishbothendsasdemonstrated.7.BringFabricuptoTensionGradually慢慢加大张力Anewfabricshouldstartwithlowtension

(say1.0kN/m)

inordertoalignitonthemachine.Increasegraduallywhenthefabricrunsstraight

FabricInstallationTheimportaFabricTension张力Advantages:优点Improvesdryingefficiencybysqueezingairoutbetweenthewebandthedryer.Forcespaperintocloseandconstantcontactwithsteamheatedcylindersincreasingheattransfer.Machinespeedcanbeincreased,steamconsumptiondecreasedresultinginreducedoperatingcosts.FabricTension张力Advantages:优点FabricTensionDisadvantages:缺点Shortenedfabriclifedueto:Wearfrompittedrolls,overstretching&weakeningBearingwear&driveloadincrease.Rolldeflection:fabricdistortion,CMDpermeabilityvariation.speedvariationbetweencenterandedges.Sheetmarksfromfabricweavepattern.FabricTensionDisadvantages:缺点Recommended:推荐3–4kN/monnewmachinesFollowmanufacturersspecifications

FabricTensionRecommended:推荐FabricTensionFabricCleaning网的清洁

Showertypes冲淋方式Lowpressurechemicalshower.rollsideoffabric,intonipoffirstreturnroll.Lowpressurerinseshower.papersideoffabric,endofreturnrun.HPcleaning/rinsingshower.papersideoffabric,perpendiculartofabric.endofreturnrun.FabricCleaning网的清洁ShowertypFabricCleaning

CleaningProcedure:清洁步骤Ensurecansarecooledtoavoidthermalshock.确保已经冷却Crawlspeed.爬行速度Warmwateronshowers.喷淋水升温Dilutecleaningsolution.稀释清洁剂Keepfabricswet.使网湿润Followrecommendedcleaningtime.根据建议清洁时间Thoroughlyrinsefabricwithfreshwater.用清水彻底冲洗网面FabricCleaningCleaningProceFabricCleaningAdvantages:优点Consistentdryerperformance.网的可靠性Improvedsheetprofile.提高纸张质量Betterpocketventilation.Betterfabriclife.延长使用寿命Reducedsteamusage.降低蒸汽用量Lowerenergycost.降低能源成本FabricCleaningAdvantages:优点ChangeinPermeability透气性的改变FabricCleaning

ChangeinPermeability透气性的改变FaThereisnoquickandeasyanswertothisquestion,dryerfabricsshouldbeinspectedatregularintervals,both:这里没有直接的回答,干网需要经常性的定期检查:DuringShuts,and关机时和WhileRunning运转时FabricInspection/Removal

网的检查/取下FabricInspection/Removal

网的检查DuringShuts关机时FabricInspection

检查FabricInspection

检查Shutdown:关机时Inspectedges检查两边Inspectseam检查接缝Inspectguidingaction检查导向Inspectstretchroll检查张力辊Inspectfabricbodyfortears,cuts,etc.检查网面磨损等RegularFabricEvaluations

网的评估Shutdown:关机时RegularFabricEvEdgeravelling/damage:边的损坏Excessiveguidepaddleforce过大的导向翼的拉力Fabricrubbingagainstobject(s)网与物体的摩擦RegularFabricEvaluationsEdgeravelling/damage:边的损坏ReguSymmetricalBowSeamBowing

接缝线弯曲SymmetricalBowSeamBowing接缝线SeamBowing

SymmetricalBow:Excessivetension过大的张力CMDrolldiameterdifferencesstockbuild-upCorrection:纠正措施Installstrongerorlargerdiameterrolls安装更强或更大的辊子Useconcaverolls用凹面辊SeamBowingSymmetricalBow:SeamBowing

FronttobackmisalignmentbowSeamBowingThankyou.谢谢AnyQuestions?提问干网知识培训演讲完毕，谢谢观看！演讲完毕，谢谢观看！ByWernerThommenProductmanagerdryersAndyZhouTechnicalserviceDryerFabrics

干网ByDryerFabrics

干网Typesofyarnsandmaterials(原材料种类)Dryendoperation,(干燥工艺)Definitions(定义)DryerFabricRequirements,(干网要求)Designs&Features(设计与特性)Installation,Tension&Guiding(安装,张力与定位)Summary&Questions(总结和问题)DryerFabricCourseOutline

提纲Typesofyarnsandmaterials(Australia(澳大利亚)Bangladesh(孟加拉国)China(中国)India(印度)Indonesia(印尼)Japan(日本)Korea(韩国)Malaysia(马来西亚)NewZealand(新西兰)Pakistan(巴基斯坦)Philippines(菲律宾)Taiwan(台湾)Thailand(泰国)Vietnam(越南)干网知识培训Locations:位置NorthAmerica:北美USA:7plants

美国:7个工厂Canada:3plants

加拿大:3个工厂BelgiumCzechRepublicAsia:亚洲China

中国AstenJohnsonsalesofficeSingaporeLocations:位置Typesofyarnsandmaterials

原材料种类Typesofyarnsandmaterials

原YarnTypes线的种类SpunYarn细纱Monofilament单丝RoundMonofilament圆形单丝ShapedMonofilament其他形状单丝YarnTypes线的种类SpunYarn细纱RegularRoundMonofilament常用圆形单丝RegularRoundMonofilament常用圆形ShapedMonofilament其他形状单丝ShapedMonofilament其他形状单丝RibbonShapedMonofilament带状单丝RibbonShapedMonofilament带状单YarnMaterials线的材料Polyester聚脂Polyamides聚酰胺PPS抗磨损聚脂PEEK耐高温聚脂YarnMaterials线的材料Polyester聚脂KeyProperties:主要特性Excellentdimensionalstability尺寸稳定Excellenttensilestrength良好的抗张强度Excellentresistancetoabrasion良好的抗磨损性Chemicallyresistanttoacids耐酸性Fairresistancetoalkalis抗碱性Moderateresistancetohydrolysis中等耐水解性Polyester聚脂KeyProperties:主要特DRY-ENDOPERATION

干燥工艺DRY-ENDOPERATION

干燥工艺FunctionsofaDryerFabric

干网的功能Supportssheetthroughdryersection(纸张的支撑)fullsupportthroughUno-run&SingleTiersectionsImprovesheat&masstransfer(提高热与质量传递)bettersheetcontactondryercanFunctionsofaDryerFabric

干网SomeDefinitions

定义SomeDefinitions

定义Definition:定义 Volumeofairperunitareathatpassesthroughafabricunderapressuredifferentialof1/2”ofwatercolumn. 在1/2”水柱压力差异下通过网的空气数量单位.Permeability透气性Definition:定义Permeability透气性HydrolysisDefinition

水解Adoubledecompositionreactioninvolvingtheadditionoftheelementsofwaterandtheformationofanacidandabase,anacidandanalcohol,oranacidandphenol,resultinginmajortensileloss.一种包含了水分子的酸合物,或酸和酒精,或酸和苯酚的复分解反应,其结果是伸长性的丢失.HydrolysisDefinition

水解AdoubHydrolysis水解Yarndegradationcausedbyacombinationofhighheatandmoisture–bothheat&moisturemustbepresent.(水解导致线的退化是由高温与湿气引起)Fabricgets“rotten”usuallystartingontheedges.(网的腐化往往是从边上开始)Hydrolysis水解YarndegradationMustbedimensionallystable.尺寸稳定Providegoodrunnability提供良好的运转性Musthaveasmoothsurfaceandseam光滑的表面和接缝Mustbeofadequatestrength足够的拉力Contaminationresistantandeasycleaning抗污及易清洁Haveanevenperm-profile透气性的一致性DryerFabricRequirements

干网要求Mustbedimensionallystable.DryerFabricRequirementsHavetherightair-permeability正确的透气值Air-perminrelationwith:透气性与以下相关Dryingcapacity干燥能力Sheetstability纸张稳定性DryerFabricRequirementsHaveDryerFabricRequirementsAchieveareasonablelifetime.达到合理的寿命Factorsaffectingthelifetime:影响寿命的因素Contamination(污染)Hydrolysis(水解)Chemicaldegradation(化学退化)Abrasion(磨损)DryerFabricRequirementsAchieDryerFabricDesigns&Features

设计与特性DryerFabricDesigns&FeatureMonoTierConcept:FeaturesandBenefits

MonoTier概念:特性与优点MonoTierConcept:FeaturesandFloatWeaveConventionalMonoTierFloatWeaveConventionalMonoTieContactAreaMonoTierBalancedWeaveContactAreaMonoTierBalancedWSameContactareaasfabricExceptionalStrengthNon-markingMonoTierConcept:PinSeamSameContactareaasfabricMonFabricstrengthcomparisonFabricstrengthcomparisonPinseamProductManagement18.10.2006MonoTierStreamlineCoilSeamSeamDesigns接缝设计PinseamProductManagement18.SpiralfabricSpiralfabricExtrafineSpiraldesignForhighspeedmachinesForsingletier,UnoRunandconventionalpositionsLowcaliper1.6mmHighcontactarea30%EasytocleanPermsteps110-150-200-250cfmBi-coloredseamspiralSpiralFineExtrafineSpiraldesignBi-coloTheMonoTIeradvantageof2independentwarpsystemsAbrasionTheMonoTIeradvantageof2inFABRICINSTALLATION

网的安装FABRICINSTALLATION

网的安装INSTALLINGNEWFABRIC

WITHOLDFABRIC用旧网安装新网INSTALLINGNEWFABRIC

WITHOLDUSINGLEAD-ONHARNESSUSINGLEAD-ONHARNESSTYINGGUIDEPADDLETYINGGUIDEPADDLEFabricInstallationTheimportantsteps:重要步骤EnsureallIsolationsareinplace隔离装置到位 Centertheguideroll导向居中Secureguidepalm安全Alignfabric调整…..FabricInstallationTheimportaFabricInstallationTheimportantsteps(cont’d):6.Seaming接缝Startatguidepalmside.从导向端开始AlignMarks调整标记Passthepintletroughtheseamchannel.穿连接线UsetheSeamingassisttominimizetension用接缝辅助使张力最小化Whenpullingthewire,doitslowlytoavoidfrictionheat.慢拉以防止摩擦热量的产生Finishbothendsasdemonstrated.7.BringFabricuptoTensionGradually慢慢加大张力Anewfabricshouldstartwithlowtension

(say1.0kN/m)

inordertoalignitonthemachine.Increasegraduallywhenthefabricrunsstraight

FabricInstallationTheimportaFabricTension张力Advantages:优点Improvesdryingefficiencybysqueezingairoutbetweenthewebandthedryer.Forcespaperintocloseandconstantcontactwithsteamheatedcylindersincreasingheattransfer.Machinespeedcanbeincreased,steamconsumptiondecreasedresultinginreducedoperatingcosts.FabricTension张力Advantages:优点FabricTensionDisadvantages:缺点Shortenedfabriclifedueto:Wearfrompittedrolls,overstretching&weakeningBearingwear&driveloadincrease.Rolldeflection:fabricdistortion,CMDpermeabilityvariation.speedvariationbetweencenterandedges.Sheetmarksfromfabricweavepattern.FabricTensionDisadvantages:缺点Recommended:推荐3–4kN/monnewmachinesFollowmanufacturersspecifications

FabricTensionRecommended:推荐FabricTensionFabricCleaning网的清洁

Showertypes冲淋方式Lowpressurechemicalshower.rollsideoffabric,intonipoffirstreturnroll.Lowpressurerinseshower.papersideoffabric,endofreturnrun.HPcleaning/rinsingshower.papersideoffabric,perpendiculartofabric.endofreturnrun.FabricCleaning网的清洁ShowertypFabricCleaning

CleaningProcedure:清洁步骤Ensurecansarecooledtoavoidthermalshock.确保已经冷却Crawlspeed.爬行速度Warmwater