干網(wǎng)知識培訓(xùn)課件

ByWernerThommenProductmanagerdryersAndyZhouTechnicalserviceDryerFabrics

干網(wǎng)第一頁，共五十二頁。Typesofyarnsandmaterials(原材料種類)Dryendoperation,(枯燥(kūzào)工藝)Definitions(定義)DryerFabricRequirements,(干網(wǎng)要求)Designs&Features(設(shè)計(jì)與特性)Installation,Tension&Guiding(安裝,張力與定位)Summary&Questions(總結(jié)和問題)DryerFabricCourseOutline

提綱(tígāng)第二頁，共五十二頁。Australia(澳大利亞)Bangladesh(孟加拉國)China(中國)India(印度)Indonesia(印尼)Japan(日本)Korea(韓國)Malaysia(馬來西亞(mǎláixīyà))NewZealand(新西蘭)Pakistan(巴基斯坦)Philippines(菲律賓)Taiwan(臺(tái)灣)Thailand(泰國)Vietnam(越南)第三頁，共五十二頁。Locations:位置NorthAmerica:北美USA:7plants

美國:7個(gè)工廠(gōngchǎng)Canada:3plants

加拿大:3個(gè)工廠BelgiumCzechRepublicAsia:亞洲China

中國AstenJohnsonsalesofficeSingapore第四頁，共五十二頁。Typesofyarnsandmaterials

原材料種類(zhǒnglèi)第五頁，共五十二頁。YarnTypes線的種類(zhǒnglèi)SpunYarn細(xì)紗Monofilament單絲RoundMonofilament圓形單絲ShapedMonofilament其他(qítā)形狀單絲第六頁，共五十二頁。RegularRoundMonofilament常用(chánɡyònɡ)圓形單絲第七頁，共五十二頁。ShapedMonofilament其他(qítā)形狀單絲第八頁，共五十二頁。RibbonShapedMonofilament帶狀單絲第九頁，共五十二頁。YarnMaterials線的材料(cáiliào)Polyester聚脂Polyamides聚酰胺PPS抗磨損聚脂PEEK耐高溫聚脂第十頁，共五十二頁。Polyester聚脂KeyProperties:主要(zhǔyào)特性Excellentdimensionalstability尺寸穩(wěn)定Excellenttensilestrength良好的抗張強(qiáng)度Excellentresistancetoabrasion良好的抗磨損性Chemicallyresistanttoacids耐酸性Fairresistancetoalkalis抗堿性Moderateresistancetohydrolysis中等耐水解性第十一頁，共五十二頁。DRY-ENDOPERATION

枯燥(kūzào)工藝第十二頁，共五十二頁。FunctionsofaDryerFabric

干網(wǎng)的功能(gōngnéng)Supportssheetthroughdryersection(紙張(zhǐzhāng)的支撐)fullsupportthroughUno-run&SingleTiersectionsImprovesheat&masstransfer(提高熱與質(zhì)量傳遞)bettersheetcontactondryercan第十三頁，共五十二頁。SomeDefinitions

定義(dìngyì)第十四頁，共五十二頁。Definition:定義 Volumeofairperunitareathatpassesthroughafabricunderapressuredifferentialof1/2〞ofwatercolumn. 在1/2〞水柱壓力差異下通過網(wǎng)的空氣(kōngqì)數(shù)量單位.Permeability透氣性第十五頁，共五十二頁。HydrolysisDefinition

水解(shuǐjiě)Adoubledecompositionreactioninvolvingtheadditionoftheelementsofwaterandtheformationofanacidandabase,anacidandanalcohol,oranacidandphenol,resultinginmajortensileloss.一種包含了水分子的酸合物,或酸和酒精,或酸和苯酚的復(fù)分解反響,其結(jié)果是伸長(shēnchánɡ)性的喪失.第十六頁，共五十二頁。Hydrolysis水解(shuǐjiě)Yarndegradationcausedbyacombinationofhighheatandmoisture–bothheat&moisturemustbepresent.(水解導(dǎo)致線的退化是由高溫與濕氣(shīqì)引起)Fabricgets“rotten〞usuallystartingontheedges.(網(wǎng)的腐化往往是從邊上開始)第十七頁，共五十二頁。Mustbedimensionallystable.尺寸穩(wěn)定Providegoodrunnability提供良好(liánghǎo)的運(yùn)轉(zhuǎn)性Musthaveasmoothsurfaceandseam光滑的外表和接縫Mustbeofadequatestrength足夠的拉力Contaminationresistantandeasycleaning抗污及易清潔Haveanevenperm-profile透氣性的一致性DryerFabricRequirements

干網(wǎng)要求(yāoqiú)第十八頁，共五十二頁。DryerFabricRequirementsHavetherightair-permeability正確的透氣(tòuqì)值A(chǔ)ir-perminrelationwith:透氣性與以下相關(guān)Dryingcapacity枯燥能力Sheetstability紙張穩(wěn)定性第十九頁，共五十二頁。DryerFabricRequirementsAchieveareasonablelifetime.到達(dá)合理的壽命Factorsaffectingthelifetime:影響(yǐngxiǎng)壽命的因素Contamination(污染)Hydrolysis(水解)Chemicaldegradation(化學(xué)退化)Abrasion(磨損)第二十頁，共五十二頁。DryerFabricDesigns&Features

設(shè)計(jì)(shèjì)與特性第二十一頁，共五十二頁。MonoTierConcept:FeaturesandBenefits

MonoTier概念:特性(tèxìng)與優(yōu)點(diǎn)第二十二頁，共五十二頁。FloatWeaveConventionalMonoTier第二十三頁，共五十二頁。ContactAreaMonoTierBalancedWeave第二十四頁，共五十二頁。SameContactareaasfabricExceptionalStrengthNon-markingMonoTierConcept:PinSeam第二十五頁，共五十二頁。Fabricstrengthcomparison第二十六頁，共五十二頁。PinseamProductManagement18.10.2006MonoTierStreamlineCoilSeamSeamDesigns接縫(jiēfénɡ)設(shè)計(jì)第二十七頁，共五十二頁。Spiralfabric第二十八頁，共五十二頁。ExtrafineSpiraldesignForhighspeedmachinesForsingletier,UnoRunandconventionalpositionsLowcaliper1.6mmHighcontactarea30%EasytocleanPermsteps110-150-200-250cfmBi-coloredseamspiralSpiralFine第二十九頁，共五十二頁。TheMonoTIeradvantageof2independentwarpsystemsAbrasion第三十頁，共五十二頁。FABRICINSTALLATION

網(wǎng)的安裝(ānzhuāng)第三十一頁，共五十二頁。INSTALLINGNEWFABRIC

WITHOLDFABRIC用舊網(wǎng)安裝(ānzhuāng)新網(wǎng)第三十二頁，共五十二頁。USINGLEAD-ONHARNESS第三十三頁，共五十二頁。TYINGGUIDEPADDLE第三十四頁，共五十二頁。FabricInstallationTheimportantsteps:重要(zhòngyào)步驟EnsureallIsolationsareinplace隔離裝置到位 Centertheguideroll導(dǎo)向居中(jūzhōng)Secureguidepalm平安Alignfabric調(diào)整…..第三十五頁，共五十二頁。FabricInstallationTheimportantsteps(cont’d):6.Seaming接縫Startatguidepalmside.從導(dǎo)向端開始AlignMarks調(diào)整標(biāo)記Passthepintletroughtheseamchannel.穿連接線UsetheSeamingassisttominimizetension用接縫輔助使張力最小化Whenpullingthewire,doitslowlytoavoidfrictionheat.慢拉以防止摩擦(mócā)熱量的產(chǎn)生Finishbothendsasdemonstrated.7.BringFabricuptoTensionGradually慢慢加大張力Anewfabricshouldstartwithlowtension

(say1.0kN/m)

inordertoalignitonthemachine.Increasegraduallywhenthefabricrunsstraight

第三十六頁，共五十二頁。FabricTension張力(zhānglì)Advantages:優(yōu)點(diǎn)(yōudiǎn)Improvesdryingefficiencybysqueezingairoutbetweenthewebandthedryer.Forcespaperintocloseandconstantcontactwithsteamheatedcylindersincreasingheattransfer.Machinespeedcanbeincreased,steamconsumptiondecreasedresultinginreducedoperatingcosts.第三十七頁，共五十二頁。FabricTensionDisadvantages:缺點(diǎn)(quēdiǎn)Shortenedfabriclifedueto:Wearfrompittedrolls,overstretching&weakeningBearingwear&driveloadincrease.Rolldeflection:fabricdistortion,CMDpermeabilityvariation.speedvariationbetweencenterandedges.Sheetmarksfromfabricweavepattern.第三十八頁，共五十二頁。Recommended:推薦(tuījiàn)3–4kN/monnewmachinesFollowmanufacturersspecifications

FabricTension第三十九頁，共五十二頁。FabricCleaning網(wǎng)的清潔(qīngjié)

Showertypes沖淋方式(fāngshì)Lowpressurechemicalshower.rollsideoffabric,intonipoffirstreturnroll.Lowpressurerinseshower.papersideoffabric,endofreturnrun.HPcleaning/rinsingshower.papersideoffabric,perpendiculartofabric.endofreturnrun.第四十頁，共五十二頁。FabricCleaning

CleaningProcedure:清潔步驟Ensurecansarecooledtoavoidthermalshock.確保已經(jīng)冷卻Crawlspeed.爬行速度(sùdù)Warmwateronshowers.噴淋水升溫Dilutecleaningsolution.稀釋清潔劑Keepfabricswet.使網(wǎng)濕潤Followrecommendedcleaningtime.根據(jù)建議清潔時(shí)間Thoroughlyrinsefabricwithfreshwater.用清水(qīnɡshuǐ)徹底沖洗網(wǎng)面第四十一頁，共五十二頁。FabricCleaningAdvantages:優(yōu)點(diǎn)Consistentdryerperformance.網(wǎng)的可靠性Improvedsheetprofile.提高紙張質(zhì)量(zhìliàng)Betterpocketventilation.Betterfabriclife.延長使用壽命Reducedsteamusage.降低蒸汽用量Lowerenergycost.降低能源本錢第四十二頁，共五十二頁。ChangeinPermeability透氣性的改變(gǎibiàn)FabricCleaning

第四十三頁，共五十二頁。Thereisnoquickandeasyanswertothisquestion,dryerfabricsshouldbeinspectedatregularintervals,both:這里(zhèlǐ)沒有直接的答復(fù),干網(wǎng)需要經(jīng)常性的定期檢查:DuringShuts,and關(guān)機(jī)時(shí)和WhileRunning運(yùn)轉(zhuǎn)時(shí)FabricInspection/Removal

網(wǎng)的檢查(jiǎnchá)/取下第四十四頁，共五十二頁。DuringShuts關(guān)機(jī)時(shí)FabricInspection

檢查(jiǎnchá)第四十五頁，共五十二頁。Shutdown:關(guān)機(jī)時(shí)Inspectedges檢查兩邊Inspectseam檢查接縫(jiēfénɡ)Inspectguidingaction檢查導(dǎo)向Inspectstretchroll檢查張力輥Inspectfabricbodyfortears,cuts,etc.檢查網(wǎng)面磨損等RegularFabric