冬季及过渡期通风管理要调

11/30/20161VENTILATINGPOULTRYHOUSESDURINGCOLDWEATHER冬季鸡舍通风AviagenVentilationSpecialist安伟捷公司通风专家BernardGreen伯纳德格林MinimumVentilation最小通风Atorbelowsetpointtemperature→minimumventilation低于设定温度---最小通风•Regardlessofoutsidetemperature,acertainamountoffreshairmustbebroughtintothehouse无论外界温度如何，鸡舍都要有一定的新鲜空气进入•Maintainairquality保持空气质量•Maintainfloor/housetemperature保持垫料及鸡舍温度•Birdcomfortisachievedthroughmaintaininggoodtemperaturecontrol保持鸡舍温度稳定使鸡群舒适•Noairmovementatbirdlevel鸡群高度位置不能有风速•Fansoperateonacycletimer风机通过循环定时钟控制WhenDoWeUseMinVent?什么时候采用最小通风SetPointTemperature设定温度MinimumVentilation最小通风TransitionandTunnelVentilation过渡及纵向通风BirdRequirements鸡的需求•Warmfloorduringbrooding育雏时温暖的地面•Goodtemperaturecontrol良好的温度控制•Goodairquality(oxygen)良好的空气质量•Notemperaturefluctuations温度没有波动•Nodrafts没有贼风•Noenvironmentalstresses没有环境原因造成的应激•Itdoesn’tmatterwhattypeofhousingyouhave!不管是什么类型的鸡舍•Thesearethebirdrequirementsandsomehowyoumustprovidethem这是鸡的需求，你必须满足它们YourHouse–TheStartingPoint鸡舍–基础•The“quality”ofthehousecanmakeorbreakanyventilationsystem鸡舍的“质量”可以运行或破坏任何通风系统的运行•Regardlessofthetypeofventilationsystem,itisimportanttoSEALTHEHOUSE无论何种通风方式，鸡舍密闭非常重要•Givesbettercontroloverwhatishappeninginside对于鸡舍内部环境能够更好的控制•Reducestheeffectofoutsideconditions减少外界条件的影响•Givesyoumorecontrolovertheincomingair更好地控制新鲜空气的进入•Roofinsulationplaysakeyrole屋顶隔热性能起到关键的作用•Agoodhouseis:好的鸡舍是：–Wellsealed,airtight密闭良好，无漏风–Wellinsulated隔热性能良好MinimumHousePressureBasedonFanCapacityandHouseSize根据鸡舍大小及风机通风量-鸡舍最小负压11151500185022302600300033503720HouseFloorArea(m²)51000476004420041000375003400030600TestFan(m³/hr)11/30/20162PoorSealing密闭差Alwayssealfromoutside始终从外侧进行密闭Youmustbejoking!!你在开玩笑！！ColdAirLeakageatCatchingDoor冷空气从门的漏缝处进入Sealedvs.UnsealedSideWall密闭好和密闭差的鸡舍侧墙TunnelDoorLeakage纵向进风口门板漏风11/30/20163ChickSpread–Uninsulated,PoorSeal鸡群分布—隔热差，密闭不好ChickSpread–Insulated,Sealed鸡群分布---隔热性能好，密闭良好SignsofAirLeakage漏风的迹象HouseLeakage鸡舍漏风Coldfloors,wetlitter,heateractivated地面凉，垫料湿，加热设施工作WastedHeat浪费热量CurtainLeakageonaWindyDay风较大时卷帘漏风AirLeakageThroughaPoorlySealedCurtain卷帘密闭差-鸡舍漏风11/30/20164ManagingHousesThatAreNot“AirTight”漏风鸡舍的管理•SEALTHEHOUSE!!密闭鸡舍！!•Minimalcost,hugeimpact最低成本，巨大的影响–Makesuretunnelinletscansealtight确保纵向进风口密闭–Makesurecurtainsseal确保卷帘密闭–Sealarounddoors密闭门窗–Sealallunusedfans密闭不使用的风机–Sealaroundinlets进风口四周密闭–Sealalljointsintheroof屋顶结合处密闭–Sealdrainageholes密闭下水孔•Thiswillgiveyou(more)controlovertheincomingair这将会更好地控制进入鸡舍的新鲜空气Heating加热•MakesurethereisMOREthanenoughheatingcapacity确保鸡舍足够的加热能力–Moreoftenresultsinlowertotalconsumption能量消耗反而会少•Ensuregood,evendistributionoftheheat确保加热量、设施分布均匀•Makesurethereareenoughholesintheheatertubes确保热风管有足够的孔–Ifyoudon’tlettheairoutthetube,youcan’theatthehouse–Ifnotenoughholestherewillbebigtemperaturegradientalongthetube•Preheatthehouseforatleast2-3days鸡舍预热2-3天•Makesurefloorsarewarmbeforechicksarrive(min30°C)确保雏鸡到达时的地面温度（最低30°C）BringinginColdAir冷空气进入鸡舍Chickschilled,wetlitter鸡群着凉，垫料潮湿ValuableHeatWasted浪费热空气NegativePressureVentilationClosedEnvironmentHouses负压通风，密闭式鸡舍WhyIsNegativePressureImportant?为什么负压很重要？•Withnegativepressure,airentersevenlythrougheveryinlet负压时，空气均匀地进入鸡舍•Ifyourhouseleaks,italsocomesthroughalltheleaks!如果鸡舍漏风，空气也可从漏缝处进入•Byspreadinginletsevenlycangetevenfreshairdistribution进风口分布均匀，空气进入也均匀•Byrestrictinginletsize,canregulateincomingairspeed调节进风口大小，可以调节空气进入速度•Controloverhowfartheairgoesintothehouse控制空气以何种方式进入鸡舍•Airshouldgotothemiddle(peak)oftheroof空气应该进入到鸡舍屋顶中间•Higherincomingspeedallowsbettermixing风速快，混合更好•Pressuredeterminestheincomingairspeed负压决定风速•Highpressure→highairspeed负压高，风速快•Lowpressure→lowairspeed负压低，风速慢•Thewiderthehouse→higherthepressure鸡舍越宽，负压要求越大•Byusingpressure,wecanputtheairwherewewantit利用负压，我们能够使空气以需要的方式进入鸡舍WhyIsNegativePressureImportant?为什么负压很重要？AirMovementBasedonPressure不同负压情况下的空气流动LowPressure负压低Bithigher稍高一点Higher再高一点Justright刚好11/30/20165NegativePressurevsHouseWidth负压和鸡舍宽度Thefollowingisaroughguideforthenegativepressureatdifferenthousewidths不同宽度鸡舍的负压参考HouseWidth鸡舍宽度OperatingPressure工作负压10m10Pa12m13Pa14m15Pa15m20Pa18m25PaNote:Theaboveisonlyaguide.Actualoperatingpressuremayvarydependingonthetypeofinletandshapeandangleoftheceiling/roof,etc.以上数据仅供参考，实际工作负压因进风口类型以及屋面的形状和角度不同而有所不同MinimumVentilation最小通风Airspeedatbirdlevel0,25m/s鸡群位置风速0,25m/sInletAirFlow进风口气流方向“Seeing”AirMovement“观察”空气流动PressurelowPressurebetter,butstilllowPressurerightPressuretoohighLengthofcassettetape±150mmWewanttoseeifairisalongceilingIftapeistoolong,canbemisleadingManagingMinimumVentilationAirInlets进风口管理SettingAirInlets进风口设定•SettheAirDirectionPlateangle•Inletsshouldopenminimum4-5cmduringminimumventilation最小通风时，进风口至少开启4-5厘米•Havingfewerinletsopeningcorrectamountisbetterthantoomanyopeningonlyalittle用少量进风口、开启大小合适要比使用大量进风口、开启太小更好•Inletsmustopenequally进风口开启大小必须一致•Inletsinusemustbeevenlydistributed使用的进风口必须均匀分布•Mustoperateonstaticpressure必须通过负压控制•INLETSMUSTBEAUTOMATED•GoodAirFlow=(Opening4cm)+(Pressure)+AirDirectionPlate正确的空气流动=（开启4厘米以上）+（负压）AirDirectionPlate导流板HooksToStageInletOpening挂钩DoorSetIntoFrame风门MinimumVentilationAirInlets最小通风进风口11/30/20166Manual