高黏度流体混合机混合均匀度试验.pdf

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1、第27卷第6期农业工程学报v01．27No．62011年6月TransactionsoftheCSAEJun．2011137Mixturehomogeneityinahigh·-viscousflowmixerYangMingjinl，一，LiXiwen2※，ShiTielin2，YangShuzi2(1．CollegeofEngineeringandTechnology，SouthwestUniversity，Chongqing400716，China；2．SchoolofMechanicalScienceandEn

2、gineering,HuazhongUniversityofScienceandTechnology，Wuhan430074，China)Abstract：Forpromotingperformanceandoptimizingparametersofplanetarytwinscrewmixersthatprocessahigh-viscousflow,anapproachfortheimpactofmixingparametersonmixturehomogeneityofthemixingslurrywaspro

3、posedinthisstudy．Definitionofdensity-basedintensityofsegregation(DBIOS)waspresentedtoevaluatemixturehomogeneityoftheslurry．Bymeansoforthogonalfactorialexperimentdesigntechniqueandstatisticalanalysesofrangeandvariance，majorparametersofthemixingprocessandtheirsign

4、ificanceaffectingthemixturehomogeneitywereobtained．ExperimentalandanalysisresultsshowedmatthedeltavalueofmeanDBIOSofingredientfactoroftheslurrywas138．275，muchlargerthanthatofotherfactors；Ingredientfactorsignificantlycontributedtothemixturehomogeneityatasignifica

5、ncelevelof0．10；Ingredientofcoarsesolidphaseparticlehadbadperformanceofmixturehomogeneity．A3-Dsamplingmodelwaspresentedforgoodrepresentationofthesamplesbeingtakeninthisstudyaswell．Keywords：twinscrewmixer,mixturehomogeneity,intensityofsegregation，experimentaldesig

6、n，analysisofvariancedoi：10．3969／j．issn．1002—6819．2011．06．025CLCnumber：$220．4．TQ027．1Documentcode：AArticleID：1002—6819(2011)一06—0137—06YangMingjin，LiXiwen，ShiTielin，eta1．Mixturehomogeneityinahigh-viscousflowmixer[J]．TransactionsoftheCSAE，2011，27(6)：137—142．(inEng

7、lishwithChineseabstract)杨明金，李锡文，史铁林，等．高黏度流体混合机混合均匀度试验[J]．农业工程学报，2011，27(6)：137—142．0IntroductionParticlemixingisanimportantstepinavarietyofapplicationsforspanningfood，agriculturalpost-product，polymerandpharmaceuticalindustriest“J．anditcanbegenerallysubdividedint

8、odrymixing．inwhichthefluidistotallyinsolidphase，andwetmixing，inwhichthefluidispartiallyinsolidphaseandpartiallyinliquidphase．Batchmixersarepowerfulmixingmachinesforwe