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Features• Topperformance,highreliability,easyoperationandsimpleinstallation

• Ratioandflowcontrolofwaterandpolymerensureaccuracyandprecision

• Optimumpolymermakedownwithoutusingfailurepronemotorizedmixingchambers

• Ruggedstainlesssteelconstructionforlong-lasting,reliableoperation

• Simplex,duplexandtriplexconfigurationsavailableinmultipleflowranges

DescriptionNalco’sHybridPolymerFeederisdesignedtoblendneatpolymerswithdilutionwaterusinganinnovativemixingsystemwherebyahighactivityhomogenoussolutioniscreatedandreadyforinjectionintoapro-cess.Thisuniquemakedowntechnologyhasnomov-ingparts.Thus,onlyminimalmaintenanceisrequired.

Thesearerobustsystemsthatareeasytouseandresistfouling.Ampleaccesstomajorcomponentsandcriticallyplacedpipeunionsmakethisfeedertrulymaintenance-friendly.Theverticaldesignmakesforasmallerfootprint.

Aneasy-to-useHuman-Machine-Interface,orHMI,connectstheoperatortosysteminformationandallowsforon-the-flyadjustmentsoftotalsolutionfeed,chemistryfeed,andsolutionconcentration.

Thepolymerfeedrate,theoverallsolutionfeedrate,aswellasthesolutionconcentrationcanbecontrolledviatheHMI.Inaddition,thepolymerfeedratecanbeadjustedmanuallyorcontrolledremotelyusinga4-20mAsignal.Forinstance,asolutionconcentrationof0.5%canbesetintheHMIwhiletheoverallpoly-merflowcanbecontrolledbyaremote4-20mAfromtheplantDCSbasedontheirprocessvariables.Thefeedsystemwillautomaticallyadjustthewaterflowtomaintainthe0.5%solutiontomatchthevariablepolymerflow.Thereisawaterbypassvalvethatallowsyoutomanuallyadjustthe%solutionmixedvs.the%solutionfeed,allowingyoutobothmixandfeedattheappropriateratios.

Specification SPEC-647

Figure 1 — Duplex Hybrid Polymer Feeder

Nalco Hybrid Polymer Feeder

OperationTheHybridPolymerFeederoperatesbyinjectingneatpolymerintoawaterstreamflowingthroughahydro-kineticteeandstaticmixer.High-pressurewaterpassingthroughtheteecreatestheturbulenceneededtodisperseandmixthepolymer.Thesolutionthenpassesthroughastaticmixer.Thissimpleyetveryeffectivesystemproduceshighactivitypolymersolutionswithouttheagglomerationsoftencreatedincompetitivefeeders.Mixershavebeensizedtoachieveoptimumenergyateachspecifiedsolutionflow.Thesolutioncanalsobefurtherdilutedpriortoinjection,ifneeded.

SupportIfyouhaveanyquestions,pleasecontactyourNalcorepresentative.InNorthAmerica,youcancontacttheNalcoGlobalEquipmentSolutionsHelpDeskat1-800-323-8483.

To OrderContactyourlocalNalcoSalesEngineer.

Figure 2 — Direct Online Feed

Specifications & Part Numbers

AccessoriesWater Booster Pump (Optional)

6017079 5gpmBoosterPumpPackage,75psiboost6017080 10gpmBoosterPumpPackage,75psiboost6018620 30gpmBoosterPumpPackage,80psiboost

Basket Strainers (Optional)

6015593 1”SimplexBasketStrainerwith40MeshSSBasket

6015639 1-1/2”SimplexBasketStrainerwith40MeshSSBasket

6015620 2”SimplexBasketStrainerwith40MeshSSBasket

6015626 1”DuplexBasketStrainerwith40MeshSSBasket

6015630 2”DuplexBasketStrainerwith40MeshSSBasket

ComponentsKeycomponentsofthesysteminclude:

•Programmablelogiccontroller*•Human-Machine-Interface*•Netzschneatchemicalpump(s)**•Hydro-kineticmixingtee•12elementstaticmixer•Massflowmeterforpolymerflow*•Magneticflowmeterforwaterflow•Proportionalwaterflowvalve•Waterbypassvalve

*Manual versions also available** Seepex option available on request

Schematics

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