污水厂中的搅拌器

MixinginWWTPMixingDutiesWhatisthejobofthemixerinWWTP?Whatisthereasonmixingisneeded??PreventsettlingofsolidsinaliquidKeepthebottomfreefromsedimentsKeepthesolidsinahomogeneoussuspensionMixingDuty:SuspensionDrawdownofsolidsfromsurfacee.g.ParticleslighterthantheliquidMixingofmiscibleliquids/EliminationofconcentrationdifferencesSpecifieddegreeofhomogeneitySpecifiedmixingtimeMixingInflowBatchMixingMixingDuty:BlendingTransportofliquid&matterLiquidtransportintoandoutofaeratedzonesMixingDuty:CirculationMixingDutiesinWWTPSandgritsControllevelofsuspensionKeepsludgeinsuspensionAllowsandtosettleMechanicalTreatmentEqualisation&RetentionbasinsKeepsolidsinSuspensionIntakepumpstation/LiftingstationKeepbottomcleanDraw-downoffloatingwasteIntaketoWWTPMixingDutiesinWWTPBiologicalTreatmentAnaerobiczonesKeepactivatedsludgeinsuspensionMixinflowAnoxiczonesKeepactivatedsludgeinsuspensionMixinflowMixingDutiesinWWTPBiologicalTreatmentAeratedtanksKeepactivatedsludgeinsuspensionCirculateliquidoveraeratedzonesSBR(SequenceBatchReactors)

MixersandaerationworkalternatingKeepactivatedsludgeinsuspensionMixinflowMixingDutiesinWWTPFlashmixingMixingchemicalsintosludgeGivenhomogeneityandtimeChemicalTreatmentFlocmixingSuspensionGentlycirculationtoachieveflocculationMixingDutiesinWWTPSludgeTreatment/HandlingMixing/collectingtanksMixinginflowsKeepsludgehomogeneousDigestersKeepsludgehomogeneousThickening/StoragetanksKeepsludgehomogeneousTheProducts:FlygtMixers“Bananablade”mixers“Compact”mixersCompactmixersCompactStainlesssteeldesignSmall/mediumsizediametersDirectdriven(multi-pole)FlexibleinstallationonGuidebarsEasyaccessibleforinspection&serviceSuitableforalltankshapesandsizes4600-series46104620463046404650466046704680BananaBladeMixersLargediameter&slowspeedGeardrivenSuperiorefficiency=

LowpowerconsumptionCorrosionresistantcoatingGuidebarsinstallationSuitableforlargertanksofallshapes4410/4430-series44104430InstallationSystemsSingleGuidebarsystemThemostcommonlyused.Allowsveryflexiblepositioningforalmostanytank.ThemixercaneitherbehangingonachainorwirerestingonasupportbeamLiftingdavitsareavailable.InstallationSystemsTripodGuidebarsystemMainlyforthebananablademixers,wherethetorsionloadsaregreater.Canalsobeusedforthe4600series.DoubleGuidebarsystemSpeciallydesignedforthebananablademixers.InstallationSystemsCantileversystemCanbeusedforthe4610and4620mixers.Areavailableupto3mlength.BottommountingsystemCanbeusedforthe4610and4620mixers.UsingFlygtMixersinWWTPAnoxiczonesAeratedtanksSludgeHandling/StorageAnoxicZonesNoaerationequipmentintankMixingisneededfor:SuspensionMixinginflowsCommontankshapesAnoxicZonesforBNRO2ReturnActivatedSludgeInternalRe-circulationWasteActivatedSludgeInflowAnoxiczoneAerobiczoneSedimentationBNR-BiologicalNitrogenRemovalAnoxicZones-SelectingMixersTanksSizeandShapeVolumetomixLossesduetogeometryKeepsludgeinSuspensionMixinflowsMixingRequirements+=RequiredPerformance(Thrust[N])???CustomerPreferencesInvestmentLCCOperation&Maintenance+Ano启xic率Zo甘nes-S辫ele锻cti洽ng筹Mix嫂ersExa动mpl楼e1帮:Anox佛icz呀one亮-Sma肤llrect饭angu尾lar饭tank10慎m6m3mSR4410 Prop.=1.8m&18rpm

Pcons=0.6kWSR4630 Prop.=7°(w.Jetring)

Pcons=1.3kWAsimplifiedLCC:Investment+Energycostover5yearsAnox外icZ由ones-S处ele矩cti页ng迷Mix嘉ers20将m10旦m6mSR4410 Prop.=2.2m&25rpm

Pcons=1.4kWSR4650 Prop.=7°(w.Jetring)

Pcons=4.8kWAsimplifiedLCC:Investment+Energycostover5yearsExa笛mpl伍e2瘦:Anox叙icz木one沟-Larg虫erect被angu随lar潮tankAera惧ted后Tank越sAer停ati闯on疮equ秆ipm挎ent像co题ver别pa删rt端or困all惯of呢ta行nk授bot怒tom紫.Mixi艳ngi痰sne如eded悼for庄:Sus腐pen巩sio明ncirc保ulat紫ionCommontankshapesAer馆ate病dT仗ank拖sPart宴ial葵bott狗omc枝over倦ageSus触pen欺sio捕nCirc头ulat嫁ion粮ofl价iqui尼dov晓era筋erat盯eda桑reasFul义lb讯ott灶om转cov呼era含ge贸(SB竖R)Sus雅pen莫sio邪nw及hen荒ae完rat源ion董is践tu喝rne有do变ffMix之ers匪&掘Aer侧ati柿on蝴nev赵er茎ope扰rat月ea饮tt炕he促sam桨et州imeAer皇ate瓦dT坡ank斤s-S检ele斗cti猴ng精Mix期ersExa锅mpl职e:Rac训etr棉ack睬wi胞th烫bot巷tom品di麻ffu雨ser偶s2xSR4430

Prop.=2.5m&35rpm

Pcons=6.9kW(tot)2xSR4660

Prop.=15°(w.Jetring)

Pcons=18.9kW(tot)Siz寄ing滨is端ba番sed跪on觉:Size瞎&g孟eome堆try悔oft迫ankAera颠tionRequ弃ired粪vel堆ocit倍yInvestment+Energycostover5yearsAer闹ate挠dT弯ank己s-Se虎lect熟ing绩Mixe异rsLar券ge遗tan柳ksEner季gye灿ffic胡ientLar咐ge皂vol蓬ume泄Ci军rcu石lat枪ionSmal肺ler乌tank日sWhen梅ins劲tall止atio灿nmi另ght浇bed冷iffi鸟cultSlud瓣geH股andl稿ing永/St便orag手eSlu译dge丘wi糊th骗DS蛙>1尾%upt饰o10酱-15%Mixi救ngi层sne警eded体for梢:Mixi胀ngi卖nflo塞wsPrev饰ent谣stag拉nant猛are你askeep扰hom员ogen悲eousCommontankshapesSlu毛dge众ch砌ara杜cte帖ris鹊tic历sHigh激con挨cent恭rati慰onHigh并vis均cosi他tyIncr持ease参dpo骂wer消cons棋umpt催ionHigh“yieldstress”stagnantzoneswithtoosmallmixersMix胜ing网Sl嫂udg棵eToosmallmixerstagnantzon