污水廠中的攪拌器

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啟xic率Zo甘nes-S辮ele鍛cti洽ng籌Mix嫂ersExa動mpl樓e1幫:Anox佛icz呀one亮-Sma膚llrect飯angu尾lar飯tank10慎m6m3mSR4410 Prop.=1.8m&18rpm

Pcons=0.6kWSR4630 Prop.=7°(w.Jetring)

Pcons=1.3kWAsimplifiedLCC:Investment+Energycostover5yearsAnox外icZ由ones-S處ele矩cti頁ng迷Mix嘉ers20將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敘icz木one溝-Larg蟲erect被angu隨lar潮tankAera懼ted后Tank越sAer停ati闖on瘡equ稈ipm挎ent像co題ver別pa刪rt端or困all慣of呢ta行nk授bot怒tom紫.Mixi艷ngi痰sne如eded悼for莊:Sus腐pen鞏sio明ncirc保ulat紫ionCommontankshapesAer館ate病dT仗ank拖sPart宴ial葵bott狗omc枝over倦ageSus觸pen欺sio捕nCirc頭ulat嫁ion糧ofl價(jià)iqui尼dov曉era筋erat盯eda桑reasFul義lb訊ott灶om轉(zhuǎn)cov呼era含ge貿(mào)(SB豎R)Sus雅pen莫sio邪nw及hen荒ae完rat源ion董is踐tu喝rne有do變ffMix之ers匪&掘Aer側(cè)ati柿on蝴nev趙er莖ope擾rat月ea飲tt炕he促sam槳et州imeAer皇ate瓦dT坡ank斤s-S檢ele斗cti猴ng精Mix期ersExa鍋mpl職e:Rac訓(xùn)etr棉ack睬wi胞th燙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濱is端ba番sed跪on覺:Size瞎&g孟eome堆try悔oft迫ankAera顛tionRequ棄ired糞vel堆ocit倍yInvestment+Energycostover5yearsAer鬧ate撓dT彎ank己s-Se虎lect熟ing績Mixe異rsLar券ge遺tan柳ksEner季gye燦ffic胡ientLar咐ge皂vol蓬ume泄Ci軍rcu石lat槍ionSmal肺ler烏tank日sWhen梅ins勁tall止atio燦nmi另ght澆bed冷iffi鳥cultSlud瓣geH股andl稿ing永/St便orag手eSlu譯dge丘wi糊th騙DS蛙>1尾%upt飾o10醬-15%Mixi救ngi層sne警eded體for梢:Mixi脹ngi賣nflo塞wsPrev飾ent謠stag拉nant猛are你askeep擾hom員ogen悲eousCommontankshapesSlu毛dge眾ch砌ara杜cte帖ris鵲tic歷sHigh激con挨cent恭rati慰onHigh并vis均cosi他tyIncr持ease參dpo罵wer消cons棋umpt催ionHigh“yieldstress”stagnantzoneswithtoosmallmixersMix勝ing網(wǎng)Sl嫂udg棵eToosmallmixerstagnantzon