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InternalvesselcleaningWithmanytanksandvesselsthequestionofanoptimalcleaningtechniquecomesupURACA:ThemarketleaderinvesselcleaningsystemsInallplantofthechemicalandpetrochemicalindustry,oftheplasticsandpharmaceuticalindustry,tanksandvesselsmustbecleaned.Reactors,autoclaves,agitatorvesselsandtankshavetobefreedofthemostvariedofresiduesandincrustations.Crampedspace,thetypeofvesselopenings,therequiredwaterpres-sureandhowtogenerateitplayanadditionalroleintheselectionofacleaningsystem.Thenaclean-ingagenthastobeselected.Asaruleonlycoldwaterisused.Foroilproductsoilsandsolventsmayalsobeused.Manyyearsofexperienceandinternationalsuccessinthedesignandmanufacturingofhigh-pres-surecleaningsystemsandequip-mentarethebasisofURACA'sengineeringfortheeffective,economicalandindividualcleaningofthemostvariedofcontainers,tanksandvessels.ThebenefitsofURACAclean-ingsystemsareconvincingn Individualsolutionsforcustomer-specificcleaningproblems.n Fast,carefulandeffectivecleaning,alsoinareasthatarehardtoreach.n Shortdowntimesmeanhigherproductivityduetoshortercleaningtimes.n Automaticcleaningwithprogrammableandcontrollablesystems.n Process-integratedoperatingcontrolledbyprocesscontrolsystem.n Noretoolingtimesforprocess-integratedcleaningsystems.n Noevacuationofvesselduetogastightandpressure-tightcleaningsystems.n Preventionofwastematterorwaterduetoproduct-specificreprocessingofcleaningagent.n Fastamortizationofthecleaningsystemsduetothein-creasedproductivityandhigherqualityofthefinalproduct.Examplesbefore/afterWithmanytanksandvesselsthequestionofanoptimalcleaningtechniquecomesupFats400Mineraloilproducts(white)AdhesivesPVCLatex900SpraytowerresiduesConcreteresiduesMineraloilproducts(black)PlasticsPlaster100Dispersions000PaintsSilicon/PUVarnishesCokeRubber4URACA–flexible,customizedsolutionsfromonesourceInordertohandlethedifferentvesselswiththeirdifferentresiduesURACAhasoptedforanindividual,modularcleaningsystemfortheinternalcleaningofvesselswithneatlycombinablecomponentsthatcanbeaddedasrequired.Eachindividualelementiscon-ceived,developedandproducedinaccordancewiththemoststringentdemands.TankcleaningheadTWKTheTWKtankcleaningheadfromURACA,drivenbyhigh-pressurewater,istheactualcleaningtooloftheURACAvesselcleaningsystems.TherotoroftheTWKhastwoopposite-mountednozzles,atanoff-axisangle.Therecoilforcesoftheflowingwatercausetherotortoturn.Withthesimultane-ousturningoftheTWKonitsverticalaxisthewaterjetsreacheverynookandcrannyandthuscleantheentireinternalsurfaceofthevessel.Specialnozzlesandextensionsmakeforacompactconcentrationofthewaterjetatgreatdistances.DependingonsizeandpressureleveltheTWKisavailableindiffer-entversions.High-pressurepumpunitsInordertogeneratethenecessarywaterpressureelectricordieseldrivenhigh-pressurepumpunitsareneeded.Dependingontheapplication,strain,pressureandflowvolumeURACAoffersawholevarietyofpumpsandpumpunits.PositioningsystemsTogettheTWKtankcleaningheadintotheoptimalpositioninthevesselawidespectrumofoptionsisavailable.Inasimple(manual)versionorintegratedwithothersystemelementssuchasreelsandlances(semi-andfullyautomatic).Thechoiceofpositioningsystemdependsonthekindofvessel,possibleinstallationsaswellasaccessibilityandlocalconditions.Inadditionthereisalsothequestionofwhetherthecleaningsystemmustbegas-and/orpressure-tight.InstallationvariantsThepositioningsystemscanbeusedflexibly.Mobilesystemscanbeusedtogetherwithperma-nentlyinstalledsystems.Themostcommoninstallationvariantwithreelsystemsisfloor-orceiling-mounting.Moreover,reelsystemscanbeprovidedinatraversableortransferableversionusingacrane.5-manual-semi-automatic-fullyautomaticPositioningsystem-RPE–tubepositioningdevice-SPE–hosepositioningdevice-reel-lanceTankcleaningheadTWK-explosion-proof/ATEXwithtypetestPumpunit-pump-drive-control-explosion-proof/ATEXInstallationvariants-permanentlyinstalled-mobileCleaningopening-accessibleaccordingtolocalconditions-adaptationtovesselopening-non-leaking-explosion-proof/ATEXManualsystems–basicvariantsforvesselcleaningRPETubepositioningdevicewithrigid,pressurizedtube.Positioningwithflangeanddifferenttech-niquessuchaslockableballjointorsimpleliftingadjustments.TelearmandtelescopePositioningdevicewithretractableandextendabletubebymeansofmechanicaladjustingsystem.Suitableforenamelvesselsorwithcomplexvesselinstallations.HoseguidewithflangeBasicpositioningaidwithhoseguide.Fixingbyflangeoftankcleaningheadsworkingsuspendedfreelyonhose.Specialfeaturesofmanualpositioningdevices:n Easytooperaten Mobilityn Flexibleusagefordifferenttypesofvesseln Flexibleinstallationpositionsn Robustnesswitheasymaintenancen ReasonablecostsRPEwithflange,simpleliftadjustmentandprotectivepipeTelearmSPEHosepositioningdevicewithhose-guidingtube.Positioningbymeansofflangeandvarioustechniquessuchaslockableballjointorsimpleliftingadjustments.Besidespositioningbythetube,theTWKcanbepositionedverticallyatdifferentheightsbyfeedingthehose.Particularlysuitableforhighvessels.SPEinusewithagitatorvesselsTop:SPEwithballjointMiddle:InteriorviewBottom:Monitoringofcleaningproces