Ventilation in side mode - Big Dutchman Tunnel Ventilation.pdf · CombiTunnel-Ventilation During ventilation in side mode, air enters the house evenly ... called displacement ventilation

CombiTunnel-VentilationTheintelligentclimatecontroloption

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CombiTunnel ventilation is a combination of two different ventilation systems for an intelligent solution to maximise the performance potential of your birds at any time of the year

Ventilation in side modeToensureastablenegativepressureventilation,itismandatorytoinstalltherespectiveairinletandexhaustairele-ments,heatersandanautomaticcontrolsystem,includingemergencyopeningsystem.

1. Fresh airWallinletsinstalledalongtheentirelengthofthehouse:4 all-purposewallinletsCLFlexand CL1200withautomaticmotorwinch forincorporationintoawalloras flangeinlet,dependingonthebuilding design;

4 bafflesandsplitbaffleswithautomatic motorwinch.Freshairentersthehouseatahighspeed(3-5m/s)butwithoutcausingdraughtintheanimalarea.Thisensuresuniformtemperaturesandagoodairqualitythroughouttheentirehouse.

2. Exhaust airThefollowingproductsareavailable:4 exhaustairchimneysforroof-instal- lation,designedforprecise,continu- ously-controlledexhaustairremoval;4 wallfansinstalledatthelongsideof thehouse.

Iftheexhaustairremovalrateisnotsufficient,itispossibletoincreasetheairratebystartingindividualexhaustairfansinstalledinthegable–AirMasterwithorwithoutlightprotection–whicharealsoactiveintunnelmode.

3. Heating devicesBigDutchmanoffersthefollowingheatingdevicesinitsproductrangetosatisfythebirds‘heatrequirementsinthewinter:4 hotairblower(JetMaster);4 gasradiators;4 boxheaters4 infraredheaters

CombiTunnel ventilation is a combination of two different ventilation systems for an intelligent solution to maximise the performance potential of your birds at any time of the year

CombiTunnel -Ventilation

Duringventilationinsidemode,airentersthehouseevenlythroughthebaffleinletsinstalledonthelongsidesofthehouseandispartlyremovedfromthehousebythegablefans.

Duringventilationintunnelmode,theairinletsareclosedandairispulledthroughthetunnelinlettravellingthelengthofthehouseathighspeed.ThefreshaircanadditionallybecooledbymeansofaRainMakercoolingsystem.

Ventilation in side mode Ventilation in tunnel mode

TheCombiTunnelventilationrecommen-dedbyBigDutchmanisacombinationoftwoventilationsystemsinonehouse.Thismakesitpossibletoprofitfromtheadvantagesofbothsystems:4 incaseoflowoutsidetemperatures: ventilationinsidemode,uniform temperaturesthroughouttheentire house;4 incaseofhighoutsidetemperatures: ventilationintunnelmode;high coolingefficiencythroughwindchill effectatalowenergyconsumption.

Thissolutionisparticularlysuitableforclimatesthatarecharacterizedbystrongfluctuationsintemperatures–hightemperaturesinthesummer,lowtemperaturesinthewinterormajordifferencesintemperaturefromdaytonight.BothventilationsystemsarecontrolledbyaViperTouchclimatecomputer.Thisalsoincludesautomaticswitchingbetweenthetwoventilationsystems.Whenthesystemrunsintunnelmodethecomputeralsorecordstheairspeedandthereforethewindchilleffect.

Incaseofpowerfailureortechnicalfailure,theemergencyopeningsystemMC378CTwithintegratedmaintenance-free 24Vbatteryopenstheservomotorsfortheairinletsandoutletsbasedonthetemperaturerequirementsinthehouse.

Inverylonghouses,theairspeedintunnelmodecanincreasetoover4m/s.Inthiscase,werecommendusingadoubletunnel.Thismethodkeepspressurelosstoaminimum.

Abb. 762 Abb. 762

CombiTunnel ventilation is a combination of two different ventilation systems for an intelligent solution to maximise the performance potential of your birds at any time of the year

Ventilation in tunnel modeWhenitiswarmoutsideandtheventi-lationsystemoperatesintunnelmode,freshairentersthehouseviaairinletsthatarelocatedclosetothegable.Thefreshairis»pulled«throughthehouseinlongitudinaldirectionbymeansofhigh-performancefans.Thisisaso-calleddisplacementventilationatminimumenergyconsumption.Thefreshairentersthehouseonalargesurfaceanddisplacesthestaleairwithoutmixingwithit.Thankstotheuniformlyhighairspeedof2-3m/satbirdlevel,thewindchilleffectreducesthetemperaturefeltbytheanimalsby3-8°C,dependingontheageandtheweightofthebirds.Iftheoutsidetemperatureexceeds30°C,thecoolingeffectcausedbytheairspeedbecomeslesspronounced.Ifthisisthecase,thefreshoutsideairshouldbecooledadditionallybeforeitentersthehouse.

1. Tunnel air inletsTheairinletsarelargeopeningsequippedwithasafetyguard.Theinletsareopenedandclosedautomaticallybymeansofrollercurtains,flapsorshutters.

2. Exhaust air removalExhaustairisremovedbymeansofAirMasterfanswhichproducehighairflowratesatalowenergyconsumption(availablewithorwithoutcone,withorwithoutshades).Conefansareusedespeciallyinhousesthatareoperatedwithahighbackpressure,upto-80Pa,orinhouseswithonlylittlespaceavailablefortheinstallationoffans.Thesefansachievesignificantlyhigherairratesandarethereforeideallysuitedfortunnelventilationincagehouses.

3. CoolingIftheoutsidetemperatureexceeds30°C,theRainMakercoolingsystemisused.Thecoolingsystemshouldbeinstalledinaseparatebuilding,theso-calleddoghouse.Thishasthefollowingadvantages:4 thetunnelopeningsaresmaller –>higherairspeedscanbeachieved –>betterdistributionofair –>therequiredairspeedcanbe adjustedmoreprecisely –>betterinsulation,i.e.fewer insulationplatesareneededfor thewintertime4 curtains,flapsandshuttersare protectedbetteragainstdustand otherenvironmentalinfluences4 betterprotectionagainstwindandrain4 nodangerofwaterenteringthehouse4 thepadscanbeaccessedfromboth sides–>easymaintenance,even whenthehouseisoccupied.

• freshandexhaustaircontrol: –sidemode –tunnelmode –CombiTunnelventilation• max.no.ofmotorsforfreshair:6• max.no.ofmotorsfortunnelopening:2• max.no.oftemperaturesensors:8• max.no.ofhumiditysensors:2• sensoroutsidetemperature:1• no.ofcontrollableheaters:6

• easyswitchingofthecomputer, if onlyonehalfofthehouseisused• ventilationsteps/groups:14steps• minimumventilationinpulse/pause mode• controlofcoolingandhumidifying• controlofcoolingviapadsensors (option)• automaticnegativepressurecontrol withpressuresensor

• max.no.ofrelays:20,30,40• temperature-controlledemergency openingsystem• optionsforventilationcontrol: –BasicMode(simplecontrol) –FlexMode(flexiblecontrol) –ProfiMode(sophisticatedcontrol)• displayofthewindchillfactor in ProfiMode

Important functions of the ViperTouch with CombiTunnel ventilation

Currentclimatesituation

Climateoverview

Alarmoverview

BigFarmNet-ManagerisaPCprogramwhichallowsthecustomertolistandvisualizeaswellasprocessandcontrolthebarnclimateandproductiondatafromhisofficePC.Productionresultscanbeanalyzedcomfortably.Itisalsopossibletomakeandautomaticallytransfersettingsregardingfeed,waterandlighttootherhousesinthesame

productionmode.Thesearethebestprerequisitesfortheproducertosavecostsandachieveconsistentlygoodresultsatahighdegreeofefficiency.

ViperTouch and BigFarmNet-Manager

4thesoftwareusessimple,easy-to- understandsymbols;4quickdataoverview,bothasgraphs andaslists;

4fastconnectiontotheofficePCvia LANEthernetincombinationwith fibreopticcables;4detailedalarmprotocol,historyand analysis;

4communicationwithexistingcom- putersviaBFN-WebLink;4useofstandardITcomponents;4remotedataaccessvianetwork.

The advantages at a glance

InternetRouter

LAN LAN

Fibreopticcable

Switch

SwitchFibreopticcable

FarmwithexistingBDclimate/productioncomputers

FarmwithViperTouchviacable(max.length100m)

FarmwithViperTouchviacable(max.length100m)

Office PC

4 especiallysuitableforregionswith coldwintersandhotsummers –>idealclimateconditionsthrough- outtheentireyear,healthybirds;

4 constantclimaticconditions throughouttheentireyear –>excellentproductionresults,full utilisationofthebirds‘genetic potential;goodfeedconversion;

4 itispossibletocompensateawide temperaturerangefromapprox.-20°C to+40°C –>lowoutsidetemperaturesventi- lationinsidemode:evenasmall airratecanbepreciselyregulated tomaintainauniformtemperature intheentirehouse; –>highoutsidetemperaturesventi- lationintunnelmode:

highairvelocitiescalculatedbased onthebirds‘age,takingadvantageof thewindchilleffect;

4 theViperTouchclimatecomputer allowsforasmoothtransitionfrom sidetotunnelmodeandviceversa.

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USA: Big Dutchman, Inc.Tel.+16163925981·[email protected]

Brasil: Big Dutchman Brasil Ltda.Tel.+551621085300·[email protected]

Russia: OOO “Big Dutchman”Tel.+74952295171·[email protected]·www.bigdutchman.ru

Asia / Pacific: BD Agriculture (Malaysia) Sdn. Bhd.Tel.+60333615555·[email protected]·www.bigdutchman.com

China: Big Dutchman (Tianjin) Livestock Equipment Co., Ltd.Tel.+861064761888·[email protected]

Germany: Big Dutchman International GmbHPostfach1163·49360VechtaTel.+49(0)4447801-0·[email protected]

Advantages of CombiTunnel ventilation

CombiTunnel ventilation and layout options

Air intake in tunnel mode• withorwithoutRainMakercooling system• rack-and-pinion-geardriventunnelflap system• automaticadjustmentoftheroller curtainviaservomotor

Air intake in side mode• viawallinlets• viabaffleorsplitbaffle (forcagehouses)

Exhaust air removal in side mode• viaexhaustairchimneys• viawallfans

Sensorsfortemperatureandhumidityinthehouse

Sensorforoutsidetemperature(hastobeprotectedagainstdirectsunlight)

CombiTunnel ventilation control• viatheViperTouchclimatecomputerandtemperature- controlledemergencyopeningMC378CT

Exhaust air removal in tunnel mode• viaexhaustairfansinthegable withorwithoutcone