water & wastewater screw wash press in stainless...

Major volume and weight reduction of screenings which leads to decreased disposal costs.

• Washingoffecalcontentinscreenings.• Returnofwashedoutorganiccontentstothetreatment

process.• Majorweightandvolumereductionofscreenings.• Minimizationofodourproblemsanddisposalcosts.• SWPachievesadrysolidscontentupto50%.• The combination of MEVA ScrewWash Press and

MEVACounterPressureScrew results in aproductoptimalforincineration.

• Highqualitymaterialsguaranteealonglife.

Advantages

• WastewaterTreatmentWorks.• Washingoffeacalcontentrequirements.

Applications

turning water around ...®

ScrewWashPress

Tel:01353645700•Fax:01353645702•www.hydro-international.biz

Wa t e r & Wa s t e w a t e r

In Stainless Steel

The MEVA Screw Wash Press (SWP) is operated by the screenings being fed forward by a slowly rotating screw. Wash water is added in the wash/press zone, where dissolved materials and water are pressed out and brought back to the waste water treament process.

TheMEVAScrewWashPress(SWP)isoperatedbythescreeningsbeingfedforwardbyaslowlyrotating screw.Washwater is added in thewash/press zone,where dissolvedmaterials andwaterarepressedoutandbroughtbacktothewastewatertreatmentprocess.

The working cycle is adjusted by the control system with regard to the composition of thescreenings.TheretentiontimeinthepresscanbeprolongedbymountingaCounterPressureScrew(CPS)aftertheSWP.Thiswillincreasethewashingefficiencyanddrysolidscontent.

Thepresstransportsthewashedandpressedscreeningstoacontainerviaapipesystem.TheMEVASWPisdesignedwithdoubletroughsmakingitvery“torqueresistant”forheavyoperationswithscreeningsofhighdrysolidscontent.Thehigh“torqueresistance”enablestheSWPtobedeliveredwithalargeinletopening.Furthermore,thedoubletroughallowsfortheinnerpipetobefullyperforated,thereby,allowingmaximumdewatering.

Thescrewoperatesclosetotheinnerpipe,whichresultsinhighdrainage.Arobustaxialbearingandgearboxabsorbtheforcesfromthepress.Thepresszoneiseasilyandsafelyaccessiblethroughahatchinthetopofthecasing.

MEVAScrewWashPressismainlymanufacturedinstainlesssteel.Thescrewandwearpartsaremanufacturedinhighlydurablesteel.

HowitWorks

Screw Wash Press (SWP)

Installed MEVA SWP

ScrewWashPressWater & Wastewater

TechnicalSpecification

SWP 15 SWP 20 SWP 25 SWP 30 SWP 40

Capacity(M3/h)* 0,5-1 1-1,5 1,5-2 2-3 3-7,5

Connectingflange DN150 DN200 DN250 DN300 DN400

AInletopening 300-600 300-3000 300-3000 300-3000 400-1200

BTotallength 1010-1310 1370-4070 1375-4075 1450-4150 1760-2560

CHeight 290 330 380 430 635

DWidth 280 340 405 450 600

EInletwidth 200 230 300 350 450

FWashzone 460 650 650 725 900

* Wet material, capacity depending on degree of filling.Measurements in millimeter, Inclination in degrees.

SWPSSA/0510

Hydro International are the distributor for MEVA Products AB

©HydroInternational2010

HydroInternationalPrickwillowRoad•Ely•Cambridgeshire•CB74TX

Tel:01353645700•Fax:01353645702•www.hydro-international.biz

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Thisinformationisforguidanceonlyandnotintendedtoformpartofacontract.HydroInternationalpursuesapolicyofcontinualdevelopmentandreservestherighttoamendspecificationswithoutpriornotice.Equipmentispatentedincountriesthroughouttheworld. abcdef

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Washing & dewatering MEVA Screw Wash Press - compact and easy to operate

Washed and dewatered screenings

ConfigurationsDuetotheincreaseduseoffinescreens,theamountofscreeningsseparatedfromwastewateriscontinuouslyincreasing.Theamountofscreeningsleadstoanincreaseinodourproblemsanddisposalcosts.WhencombinedwithaMEVAFineScreen,theresult isanoptimalscreeningsunitfor inletworksorsludgeapplications.FeedingtheMEVASWPcanalsobedoneviacoarsescreens,sievesorshaftlessscrewconveyors.

MEVASWPiswellsuitedforbothsmallerandlargerwastewatertreatmentplants.Itisacompactandcostefficientunit,whichhasprovengoodfunctionalityduetoitssimpleandfunctionaldesign.