Intewa AQUALOOP AL-PD78 User manual

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AQUALOOPpipediffusor
 AL‐PD78
 AL‐PD142
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AssemblyandOperatingInstructions
Waterwe’reinourElement
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www.intewa.de
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WATER,WE’REINOURELEMENT
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www.intewa.com
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1
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AL‐PD
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ManualVers.1.1
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TableofContents
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1.GeneralInformation.........................................................................................................................2
2.SafetyPrecautions...........................................................................................................................2
3.Scopeofdelivery.............................................................................................................................2
4.Description......................................................................................................................................3
5.TechnicalData................................................................................................................................4
6.InstallationInstructions....................................................................................................................5
7.Maintenanceandsparepartsreplacement........................................................................................6
8.ReplacementParts...........................................................................................................................7
9.Warranty/Contact...........................................................................................................................7
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2
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AL‐PD
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ManualVers.1.1
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1.GeneralInformation
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ThankyouforchoosinganINTEWApipediffusorunit.Pleasereadtheoperatinginstructionscarefully
beforecommissioningtoensuresafeandcorrectsystemstartup.
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Thepipediffusorsystemisintendedforaeratingofbioreactortanksofgreywaterplants.Thesystemcan
beusedinplaceswhereaeration,saturationbyairorliquidmixingisrequired.
AL‐PDpipediffusorsarenotedfortheirhighefficiencyofairtransferintowater,highcloggingresistance
andlow‐pressureloss.Theyprovidetheuserwithlowoperatingcostandtrouble‐freeperformance.
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2.SafetyPrecautions
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Beforeinstallingtheproduct,theseinstallationandoperatinginstructionsmustbe
readcarefully.Theindicatedinstructionshereinmustbestrictlyobserved.
Modificationstotheproductarenotpermitted,otherwiseanywarrantyexpires.
Thetubediffusermustbeinatleast700mmdeepwaterbeforethefanis
started.Ifthisisnotobserved,theEPDMmembranemaybedestroyed.
Thefollowingpointsmustbeadheredtofortheinstallationandoperation:
 Checktheproductforvisibledefectsbeforeinstallation.Ifthereareanydefects,donotinstallthe
product,asitcouldnegativelyaffecttheventilationofthebioreactor.
 Allproductsmustbecheckedregularlyforpropercondition.Theminimuminspectionintervalsare
providedinthemaintenanceinstructionsinchapter6.
 Neverinstallwater‐bearingproductsinlocationswherethetemperaturemaydropbelow0°C.
 Theoperatorisresponsibleforcompliancewithsafetyandinstallationrequirements.
 Therecommendedairflowratemustbeadheredtoinordernottodamagethemembrane.
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3.Scopeofdelivery
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Fig.:Scopeofdelivery

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AL‐PD
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ManualVers.1.1
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4.Description
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TheAQUALOOPpipediffusor(AL‐PD)isdesignedespeciallyforwatertreatmentplants.Thespecial
constructionenableseasyinstallationinvarioustypesoftankswithouttheneedtofixthediffusorstothe
bottom.
Thediffusorisequippedwithinternalweighttooperateagainstbuoyancyforce.Thediffusorcontains,
dependingonitssize(AL‐PD78andAL‐PD142),ofoneortwoequallyair‐suppliednonelasticpipes,coated
byEPDMmembranesandbasedontwoarchedpillars.Thepillarsarecoatedwithanti‐sliprubberpartsat
thebottomtoinhibitshiftingofthediffusor.Atthetailendofthepipediffusoraliftingropeisinstalled.
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Airentersthenonelasticpipethroughaballvalve,shut‐offfitting,connectingairhoseandhoseconnector
atthediffusorbase.Itexitsnonelasticpipeviaitsmembranecoatedsurface,therebygeneratingfine‐air‐
bubbles.Thesystemcanbeoperatedcontinuallyorintermittently.
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Sinceemergenceofcondensationwateronthepipe’sinsideoccurs,eachpipeisequippedwithadrainage
valveanddrainagehose.Fromthedrainagevalveaseparateairhoseisledtothebottompartonthe
ground.Afteropeningthevalve,thecondensatewateristhenpushedoutofthepipebythecompressed
airandthuscleansthepipe.
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Note:Flowrateoperationbelowtherecommendedrange,resultsinfasterfoulingofthemembrane.Ifthe
membraneisoperatedabovetherangeforalongerperiodoftime,overstretchingofthemembranemay
occurandtheservicelifewillbereduced.
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Fig.:BasicconfigurationofthepipediffusorAL‐PD142
1. Membranesonanonelasticpipe
2. airsupply,1“unionnut
3. bleedvalve
4. connectingairhose
5. diffusorbasewithhoseconnector
6. tailendbaseofdiffusorwith
integratedliftingrope
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2
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5
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AL‐PD
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ManualVers.1.1
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5.TechnicalData
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AL‐PD78AL‐PD142
Airflow(Qvz,e)1.5–10.0m³/h3.0–20.0m³/h
Recommendedairflowperdiffusor(Qvz,e)3.5–6.5m³/h7.0–13.0m³/h
Lossofpressuredependingontheairflow(Δp)3‐7kPa3‐7kPa
Maximalsurfacedensityofdiffusor(Ds)6ks/m²12ks/m²
Oxygenuseefficiencyunderstandardconditions(Ea)5–7%/m5–7%/m
Standardoxygenationefficiency(E*)3–5kgO2/kWh6‐10kgO2/kWh
Length 780mm1420mm
Width140mm140mm
Lengthairhose2m3m
Amountofaeratormembrane12
ConnectionG3/4G1”
Lifetime6‐10years6‐10years
Operatingmodepermanentand
intermittent
permanentand
intermittent
Weight11kg22kg
Airadmission:
Iftheairadmissionfallsbelowtheminimumlimit,theaeratorshouldbeswitchedoffcompletely.
Theshort‐termoverloadlimitshouldnotbeexceededforlongerthan10minutes(e.g.forcleaning
purposes).
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Tab.:Overviewairload
DescriptionOperatingconditions
[m3/h]
Lowestloadlimit
[m3/h]
Short‐termoverloadlimit
[m3/h]
AL‐PD783.5–6.51.510.0
AL‐PD1427.0–13.03.020.0

0
5
10
15
20
25
30
35
40
45
12345678910
Ha=2
Ha=3
Ha=4
Ha=5
Ha=6
Fig.:OxygenationcharacteristicsoffinebubbleaeratorAL‐PD78
AirloadoftheaeratorQvz
,
e(m3/h)
Oxygenuseefficiencyunderstandardconditions(Ea)
Ha:
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Overwaterheight[m]

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AL‐PD
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ManualVers.1.1
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Note:InthegreywaterapplicationAL‐GWXXXaminimumwaterlevelof700mmisrequiredbefore
startingthetubediffuser.Otherapplicationhastobecalculatedtoguarantee,thattheairloadnot
exceedtherequiredoperationcondition.
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6.InstallationInstructions
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Theinstallationinthetank,aswellastheremovalandre‐positioningiscarriedoutwiththehelpoftheair
hoseandliftingrope.Thisallowseasyinstallationandrepairofthediffusorsystem,withouttheneedto
emptythetanks.Installation,removalandre‐placementareperformedmanuallyandrequireoneperson
only.
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Thespecialdesignofthepipediffusorallowseasy
installationinvarioustypesoftankswithouttheneedtofix
thediffusortothefloor.
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Thediffusorelementsareequippedwithinternalweightto
compensateagainstthebuoyancyforce.
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Theairissuppliedtoeachdiffusorthroughaballvalve,
shut‐offfittingandconnectingpipe.
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AL‐PD
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ManualVers.1.1
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7.Maintenanceandsparepartsreplacement
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Removingcondensate
Thecondensationwatermustberegularlyremovedfromthe
system.Werecommendremovingthecondensatewithina6‐
monthinterval.Dependingonthesurroundingshumidity,the
maintenanceintervalcanbeextended.
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Eachpipediffusorisequippedwithamechanismtodrain
condensedwater.Asmalldrainagehosefromthebleedvalveis
connectedtothebottomofthediffusor.Aftermanually
openingofdrainagevalveandwiththesystemoperatingfully,
internalairoverpressuredischargesthecondensedwaterfrom
thesupportingtubeabovewaterlevel.
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Membranereplacement
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Thediffusormembraneorthewholediffusormustbereplaced
every5yearsincaseofcontinuousoperation.
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Themembraneisattachedtothearchedbasesfromrightand
leftsideandwithafewscrews.
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a.) Removeoldmembrane
Loosentheclampsfrombothbases.Removebothbasesfrom
thepipe.Openthescrewswhichattachthemembraneonthe
plasticpipe.Nowyoucanseparatetheusedmembranefrom
thetubularweight.
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b.) Installnewmembrane
Putthetubularweightinsidethenewmembrane‐pipe.Screw
themembraneonthepipe.Installthebasesonbothsidesand
tightentheclampsontherubberbase.
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AL‐PD
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ManualVers.1.1
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8.ReplacementParts
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ArticledescriptionCode Art.No.Amount
AL‐PD78
Amount
AL‐PD142
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SparemembraneforAQUALOOPpipediffuser AL‐PD‐MEM23019712
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9.Warranty/Contact
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Thewarrantytermscanbefoundinoursalesconditions.See:
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www.intewa.com
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ForcustomersinGermany:
Foranyqueries,orderingofspareparts,aswellasincaseofservice,kindlycontactINTEWAGmbHdirectly,
quotingyourproduct‘smodelandidentificationnumbersandthepurchaseinvoicedetails,at:
INTEWAGmbH
AufderHüls182
52068Aachen

Tel.:0049‐241‐96605‐0
Fax:0049‐241‐96605‐10
Email:[email protected]
Internet:www.intewa.de

Forcustomersinothercountries:
Foranyqueries,orderingofspareparts,aswellasincaseofservice,kindlycontactyourinstallerorthe
authorisedimporter,quotingyourproduct‘smodelandidentificationnumbers,andthepurchaseinvoice
details.