wohwa weigh belt feeders (blending and reclaim ......wohwa weigh belt feeders (blending and reclaim)...
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![Page 1: WOHWA Weigh Belt Feeders (blending and reclaim ......WOHWA Weigh Belt Feeders (blending and reclaim) for gravimetric blending/loadout of bulk materials. Features/Benefits • Extremely](https://reader036.vdocument.in/reader036/viewer/2022062508/6082998fb1671e375405fed7/html5/thumbnails/1.jpg)
WOHWAWeigh Belt Feeders (blending and reclaim) forgravimetricblending/loadoutofbulkmaterials.
Features/Benefits• Extremely robust construction • Hot-dip galvanized • Modular design • Manual or electric slide gate for repair purposes • Automatic zero setting with electric slide gate • Automatic belt tensioning device • High blending and measure- ment accuracy • Pre-adjusted at factory • Simple and fast re-adjust- ment with supplied test weight • Legal-for-Trade (reclaim weigh belt feeders)
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Over50yearsago,WOHWAdevelopedthefirstblendingandreclaimweighbeltfeed-ers.Allcomponentsandsoftwareforthemodulardesignedweighingsystemare producedin-houseatourfactory.The modulardesignoftheWOHWAblendingandreclaimweighbeltfeedersallowsanindividualadaptationtoon-siteconditionswhileusingstandardcomponents.
EachblendingdevicecanbeequippedwitheitheramanualWOHWAshut-offorsealedgateoranelectricslidegate.Anelectricslidegateallowsautomaticzero-settingofthebeltscale.
Therobustweighbeltfeederscanbe suppliedwithbeltwidthsfrom16inches(400mm)to56inches(1,400mm)tomeetallapplication-specificrequirementsinrespectofflowrate,productandflowcharacteristics.
Allstandardcomponentsarecutonourownlasercuttingmachineandthenhot-dipgalvanized.Theweighbeltfeederscanbesuppliedwithtroughedorflatbelts.Thewell-designedconstructionprotectsthescalefromdetrimentalinfluencesthatwoulddisturbthehighaccuracyweighing.
ReclaimWeighBeltFeederforloadout
*TheDigitalTachometerandtheWeighStationcanbeconnectedtoaWOHWAWeighingTerminal.
WeighStationwithLoadCell andTestWeightsupport
DigitalTachometer
Chute
Eachweighbeltfeedercanbeadaptedinlength and width to meet the customers’ specificrequirements.Priortocommence-mentofmanufacturing,plansinPDForDWGformatswillbesubmittedtothecustomerforfinalapproval.
Connectingflangeandchutecanbeindivid-uallyadaptedtoeachcustomerapplication. Theweighbeltfeederisequippedwithaslip-ongeardrive,andthemotorpowerratingisoptimallyselectedforanyspecifiedblending/reclaimrate(specialmotorver-sionsalsoavailable).
Additionally,severaloptionsareavailable,suchasdustcovers,wear-resistantlining,watergutters,emergency-pullcords, sheetcoverforreversepulley, frequencyconverters,etc.All sensorsarenon-contacting.
WOHWAweighbeltfeederscan easilybecombinedwithother WOHWAcomponents.
Quality, Continuity, Variability
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Slide Gate Dependingupontheapplication,themanualemergencyshut-offgates,types09and99,thepingate,type89,orthedouble-flangesealedgate,type02,maybeusedasshut-offgates.TheWOHWAsealedgates,types03und08.1aswellastheslidegates,type01.1,canbesuppliedeitherwithamotororwithahand-wheel.Acombinationofthevariousblending/reclaimfeederswiththeabovelistedgatetypeswithopeningwidthsrangingfrom8x8inches(200x200mm)to40x40inches(1,000x1,000mm),meetsmostflowraterequirements.
Connection Frame Therobustconnectionframebetweenslidegateandbeltfeederpreventsdustanddirtenteringtheslidemechanics.Allslidegatecomponentsarefreelyaccessibleandcanbechangedwithouthavingtoemptythestockpileorsilo.
Feed Chute Thefeedchuteismountedbetweenconnec-tionframeandbeltfeederandallowstheformingofamaterialbedonthebelt.Thefeedchutecanbeadaptedtoanycustomerapplication.
Belt Feeder Availablestandardversions:•Beltwidthsrangingfrom16to55inches (400to1,400mm)•Materialbeddepthadjustabletomax. 16inches(400mm),dependingupon application•Beltfeederlengthsrangingfrom7to 39feet(2to12m).
•Flowratesupto2,500metrict/h (specialsizesuponrequest)
ChuteLinedwith0.39inches(10mm)polyure-thanereducingwearandnoise.
Automatic Belt Tensioning Device A constant belt tension increases the weigh-ingaccuracy.
Belt Cleaner Maintenance-free,self-adjustingouterbeltcleanerwithrubberspringelementforeasybeltcleaning.TheV-shapedinnerbeltcleanerpreventsbeltdamagefrommaterialintrudingbetweenbeltandreversepulley.
Belt ScaleEachbeltscaleissuppliedwitharobustdigitaltachometer(wheel)formeasuringthebeltspeed.Sensorandbearingarehermeti-callysealedtopreventcontaminationfromdirt.Standard functions•ZeroSetting•EraseWeight•Date/Time•Printlogforconsecutivenumber,date, timeandweight(onlywithGCU64)•Pre-selectionoftotalweightquantities•PowerFlow/SlowFlowShutoff (onlywithGCU64)•CorrectionFactor•BufferedTotalizer
Re-AdjustmentAllscalesarepre-adjustedatfactoryandcaneasilybere-adjustedonsitewiththesuppliedtestweight.
Set-Up of the WOHWA Weigh Belt Feeder
ReclaimWeighBeltFeederforloadout ProtectivegratingforlowerbeltFront view WOHWAGravimetricBlendingSystem
Feed Chute
SheetCoverfor ReversePulley
ElectricSlideGate Type01.1
Double-FlangeSealedGateType08.1
PinGateType89
ProtectiveGrating forlowerbelt
Connection Frame
BeltTensioningDevice
AutomaticBelt TensioningDevice
WaterGutterMotor
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Feed chute with material controller
Chute
Automatic belt tensioning device
Test weight
WOHWA Weigh Belt Feeders (blending and reclaim)
Technical Features •Modular•Bolted•Completelyhot-dipgalvanized•Motorandbearingsmaintenance-free•adaptableflanges•Chute(optional)•Outerandinnerbeltcleaner•Dustcover(optional)•Laggeddrivepulley (optional)•Interfacestodustextractionsystem (optional)•High-resolutionbeltscale•Robustmeasuringwheel (dust-andwater-proof)•WOHWAWeighingTerminal GCU50/GCU64•SerialinterfaceRS422(optional)
•Analoginterface4-20mAor 0-10V(optional)•IntegratedPIDcontroller•OperatorMenu English/German/French (otherlanguagesoptional)•Custom-tailoredsoftware
Connectionofthebeltscalesdirectlyvia RS422/485or,optionally,viaPROFIBUSto:•PCandPLCofWOHWAControlSystem forProcessingPlants,andWOHWA BlendingandLoadoutSystem
Weighing Terminal GCU50The weighing terminal GCU50hasbeende-signedasafieldunitforoutdoorapplications. Itissuitedforawidevarietyofinstallations: atthebeltscale,for
wall-mounting,orforintegrationintoacontrolpanel.
Severalinterfacesoptionscanbeprovidedforconnectingtheterminaltoahostprocessvisualizationandcontrolsystem.
Weighing Terminal GCU64The weighing terminal GCU64 must be usedforareclaimweighbeltfeederifthebeltscaleistobeusedforlegal-for-tradeoperationsorforPIDcontrol.Itcanbeinte-gratedintoprocesscontrolviaaPROFIBUSinterface.
Configuration•Canbeequippedwithupto7serialinter- faces.RS232orRS422/485(twoof whichcanoptionallybesuppliedasTTY currentloopinterfaces)•1Centronicsprinterinterface•32digitalinputsoroutputs (opticallyisolated)•8analoginputsoroutputs•0-10Vor0-20mA/4-20mA
WÖHWA Waagenbau GmbH ÖhringerStr.6·74629Pfedelbach·GERMANYPhone+4979419131-0·[email protected]·www.woehwa.com