压榨部毛布测试技术报告解读

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1、TechnicalService–PressSection技术支持–压榨部•Pressfeltmoistureprofile毛布水份曲线•Pressfeltwaterpermeabilityprofile毛布透水度曲线•Presssectiondewateringanalysis压榨部脱水分析•AirFlowmeasurementatUhlebox真空吸水箱抽气速度•Feltcalipermeasurement毛布厚度测量•Pressfeltconditioningsystemcheck毛布清洗调整系统检查•Pressfeltru

2、nningsizemeasurement毛布运行尺寸测量•Presssectionvibrationsurvey(SupportedthroughVFIP)振动测试•DataCollection&TrendAnalysis数据采集和趋势分析•ObservationsandComments观察和评价•DiscussionwithMachineCrew&Manager与纸机经理和员工的探讨•FeltMoistureProfile毛布水份曲线•Usuallycrossmeasurementsareperformedbeforeandaf

3、tereachpressnip(Ifpossible)onthesamesideoffelt•ItcanbeusedToprovidewaterbalancesaroundthefeltloop•Toidentifythesourceofcrossprofilevariation•用以分析毛布脱水效率,分析水份波动原因•FeltPermeabilityMeter毛布透水度测试仪FeltPermeabilityMeter毛布透水度测试仪FeltPermeabilityProfile毛布透水度曲线Animportantfactoris

4、thehydraulicflowresistanceinthepressnip.Afilledfeltrestrictswatermigrationfromthenipandreduceswaterremovalefficiency.透水度是指示毛布在压区水流阻力的重要参数。堵塞的毛布将限制压区脱水降低脱水效率Itcanbeusedtopredictperformance,monitorfeltcleaning,andscheduleclothingchanges.透水度可用于预测毛布运行性能，安排适时更换毛布水分曲线和透水度曲线

5、的解读压辊中高过高压辊中高不足水分曲线和透水度曲线的解读压榨部两端压力不一，操作侧偏轻高压喷淋水摆动行程与喷嘴间距不匹配震动曲线反映传动侧问题纵向震动曲线与毛布运行周期匹配反映毛布质量问题毛布横幅不均污染，局部严重个别高压喷淋水喷头堵塞，局部严重污染毛布局部压实（湿燃）完全不脱水毛布局部严重磨损UeleBoxVacuum–Poddymeter真空吸水箱真空度测量AnindicatorofthedegreeoffeltopennessNormallevel-15kPato50kPa真空吸水箱真空度是毛布清洁开放程度的直观指示Trad

6、elineDistortion毛布标准线变形Anydistortionofthetrade-linemeansasimilardistortionintheweavewhichcancausethefabrictocloseupnon-uniformly.标准线的变形指示毛布结构的变形，影响毛布的均一性Atrade-linethatisoff30cmormoreforeach2.5moffabricwidthchangespermeabilitycharacteristics.Distortionofthismagnitudema

7、yinfluencewaterremoval,rateoffillingwithforeignmaterial,fabricandsheetmoistureprofile,andfabricstability.毛布每2.5m宽度标准线变形超过30cm将改变透气度，影响横幅脱水，杂质填充，影响纸页横幅水分，影响毛布稳定性SpeedDraw速差ThespeeddifferenceWire~1P,1P~2P,2P~1D,Wire~Reel,etc.Thewetterthesheet,thehigherthespeeddraw纸页水分越高

8、，速差越大Thehigherpressloading,thehigherthespeeddraw线压力越高，速差越大