生化工程第四章攪拌器的型式及流型2023/7/25第三章攪拌器軸功率計算1第1頁，課件共26頁，創作于2023年2月一、機械攪拌通風發酵罐（簡介）

第2頁，課件共26頁，創作于2023年2月H/D=2;d/D=1/3;B=0.1Dha=0.25DS=3dC=d式中：H——罐高;D——罐的直徑;d——攪拌器直徑;B——擋板寬度;ha——封頭高度;S——兩擋攪拌器之間距離；C——底擋攪拌器與下封頭底之間距離第3頁，課件共26頁，創作于2023年2月二、攪拌器的型式及流型（一）型式軸向推進：螺旋槳式徑向推進：渦輪式1、型式第4頁，課件共26頁，創作于2023年2月LightninMixersInc第5頁，課件共26頁，創作于2023年2月AxialFlowImpellersRecommendedforapplicationsrequiringmoderatepumpingactionandpowder-wettingcapabilities

Superpitchdesign1.5pitchratioforgreatermixingcapabilitiesStandardaxialflowOptionalringguardpreventsdamagefromdiptubes,temperatureprobesandotherin-tankdevicesA100

第6頁，課件共26頁，創作于2023年2月Recommendedforlow-tomedium-viscosity,flow-controlledapplicationsClassic45°pitchedbladedesignProducesadesirablebalanceofflowandshearTheimpellerofchoiceinmanystandardapplicationsA200第7頁，課件共26頁，創作于2023年2月Recommendedforaxial-flowimpellerforside-entryapplicationsDesignedfordemandingpulpandpaperapplicationsAlsousedinotherside-entryapplications,suchasoilstorageFeaturesminimalradialflowA312第8頁，課件共26頁，創作于2023年2月Recommendedforgas-liquiddispersionandmasstransfer-controlledapplicationsCanimprovemasstransferby30%comparedwithRushtonturbinesDecreasesshearratesupto75%Canreduceenergycostsupto45%Improvesyieldsinshear-sensitiveprocessesA315

第9頁，課件共26頁，創作于2023年2月Recommendedforhigher-viscosityapplicationsrequiringhighflowinthetransitionalflowregimeReducesblendtimebyhalfShearratesaremodestforbothhigh-andlow-viscosityconditionsFluidfoildesigndeliversbetteraxialmotionandreducespowerconsumptionA320第10頁，課件共26頁，創作于2023年2月Recommendedforup-pumpingapplicationsIdealformulti-phaseapplications,suchasfermentation,polymerizationandhydrogenationHighgasinductionfromsurfaceControlsfoamingA340第11頁，課件共26頁，創作于2023年2月Recommendedforlow-viscosityflow-controlledapplicationsVaryingangleoptionsoptimizeprocessesbychangingtheimpellerdiameter/tankratioMaximizesflowwithabilitytoaddshearoptionsStandardontheLIGHTNINLFDFlocculatorImprovesresultsupto40%vs.conventionalpitched-bladeturbinesA310/A510第12頁，課件共26頁，創作于2023年2月Recommendedforlowviscosityflow-controlledapplicationsinhostileenvironmentsVerylowshearandhigherflowthananyotherimpellerMaintainsflowandreducespowerto45%ofconventionalpitched-bladeimpellersStructuralcompositeislightweightandextremelyresistanttocorrosionExcellentforusewithacids,caustics,chlorinatedsolutionsandotheraggressivechemicalsA6000第13頁，課件共26頁，創作于2023年2月Radial-FlowImpellersRecommendedforhigh-shearmixingandgas-liquidapplicationsRadialdesignprovidessheartoachievegoodcontactingforliquid-liquiddispersionsandemulsions

Alsorecommendedforgasdispersions

ModeratepumpingactionR100第14頁，課件共26頁，創作于2023年2月Recommendedforcopperextractionpumpingsystems

Produceshigher-efficiency,lower-powerflowpatterns

Increasedhydraulicefficiencypermitsuseofsmallergearboxes

Reducedinstalledhorsepowerforlowerenergycosts

Availablein316stainlesssteel,high-alloystainlesssteel,titaniumandcompositesR320第15頁，課件共26頁，創作于2023年2月Recommendedforhigher-viscosityapplicationsContouredtwo-bladedanchordesignForuseinblendingandheattransfer,withviscositiesfrom10,000to100,000centipoiseR400第16頁，課件共26頁，創作于2023年2月

Recommendedfor:High-shearapplicationswithelementsthataredifficulttodisperseProvidesthehighestshearofallLIGHTNINimpellerdesignsExcellentforhigh-shear,solid-liquidandliquid-liquidapplicationsTypicallyusedwithdifficult-to-dispensepigmentsR500第17頁，課件共26頁，創作于2023年2月CirculatorImpellersRecommendedforwastetreatmentdrafttubecirculatorsEfficientswept-backdesigneliminatesthelargepowerincrease(upto50%)fromfiberbuild-upontheleadingedgeC102第18頁，課件共26頁，創作于2023年2月

Recommendedforhigh-viscosityapplicationsCirculatorimpellerhashighheadcapability3timesgreaterthanconventionalimpellersC104第19頁，課件共26頁，創作于2023年2月

RecommendedformineraldrafttubecirculatorsUniqueairfoildesigncanincreaseimpellerwearlifeby2to6timesC110第20頁，課件共26頁，創作于2023年2月ChemineerInc第21頁，課件共26頁，創作于2023年2月MaxfloWSEFavorableApplications:

Ahighefficiency,advancedside-enteringhydrofoilimpellerthatproducesmaximumpumpingaction.Ithasmorecavitationresistancethanotherdesignsthrougheffectivehydrodynamicdesign.第22頁，課件共26頁，創作于2023年2月FavorableApplications:

Goodcosteffectiveimpellerforlowconcentrationsofimmiscibleliquidorgas.Twoverystrongtrailingvorticesareshedfromeachblade.Theseareasofhighshearareresponsibleforbreakingthelarger