2007.1.31/byEileenSlide1Geberitpluvia传统重力排水虹吸式雨水排放传统重力排水与虹吸排水形式上的比较2007.1.31/byEileenSlide2GeberitpluviaGeberitPluvia吉博力虹吸式屋面雨水排放系统2007.1.31/byEileenSlide3Geberitpluvia目录虹吸原理虹吸雨水排放的优点吉博力虹吸系统的组成吉博力虹吸系统的独特之处国内设计可参照的规范吉博力虹吸排水的工程业绩2007.1.31/byEileenSlide4Geberitpluvia虹吸排水原理管子的口径高差2007.1.31/byEileenSlide5Geberitpluvia吉博力虹吸排水原理30mHT10m9m1ml/sCriticalpointHT=heighttotal0mbarPluviaConvent.HT:提供虹吸式雨水的动力HT=10m,水头损失最多为1000mbar2007.1.31/byEileenSlide6Geberitpluvia形成虹吸的关键(Keypointofsyphonicdrainage)形成虹吸的关键在于管道内没有空气进入(Thekeypointisnoairshouldenterthepipe)Wish期望如果屋面有足够的汇水深度,就可以完全隔离空气,达到满流状态,但屋面的承压会很高(Enoughwaterdepthwillisolateairentirelyandreachfullflowstates,buttheloadofroofwillbeveryhighbecauseoftheheightofwater,whenthesyphoniceffecthappenscannotbecontrolled.Reality实际气旋会将空气带入管道内(Airwhirlwillbringairintothepipe)2007.1.31/byEileenSlide7Geberitpluvia形成虹吸的关键KeypointofsyphonicPluviaOutlet最终解决(Finalsolution)反气旋强制虹吸挡板Anti-vortexplate当斗前汇水深度达到一定的高度,就会产生虹吸,并且这一深度是固定的,可控的。Acertainheightofwaterdepthwillcreatesyphonic.Theheightisfixedandcontrollable.2007.1.31/byEileenSlide8Geberitpluvia与传统重力式屋面雨水排放系统的不同重力式屋面雨水排放:空气(air)水(Water)虹吸式屋面雨水排放:气旋将空气带入管道在屋面积水较小时已实现满管流态一、不对排水系统做精确水力计算,在重力的作用下自然排放二、雨水进水口前状态三、重力流态是二、雨水进水口前状态一、对排水系统做精确水力计算,在重力的作用下,通过系统设计实现有压力的排放三、虹吸流态是只有水2007.1.31/byEileenSlide9Geberitpluvia虹吸排水具有以下优点传统重力式:■低效排水■管径大,需1-3%的坡度■材料多,立管数量多,安装复杂■管径小,无需坡度,美观节省空间■更少的材料,更少的地面开挖工作虹吸式:建筑设计更为自由■高效排水2007.1.31/byEileenSlide10Geberitpluvia吉博力虹吸系统的组成吉博力虹吸式屋面雨水排放系统雨水斗吉博力(高密度聚乙烯)管,及配件吉博力虹吸式屋面雨水排放系统固定装置吉博力虹吸式屋面雨水排放系统设计软件吉博力技术支持系统2007.1.31/byEileenSlide11Geberitpluvia吉博力雨水斗钢制檐沟钢结构屋顶,圣耐德PVC雨水斗排水能力从1l/s到100l/s提供多种类型可以用于各种屋面类型2007.1.31/byEileenSlide12Geberitpluvia吉博力虹吸系统管材及配件(HDPE)重量轻,安装快捷完整的尺寸范围防漏连接预制抗冲击和磨损耐化学性能防震2007.1.31/byEileenSlide13Geberitpluvia紧固系统装配快更少的屋顶固定点热膨胀被吸收无需膨胀节适合预制安装2007.1.31/byEileenSlide14Geberitpluvia计算软件1.计算图设计2.输入管道长度及流量3.管道直径计算2007.1.31/byEileenSlide15GeberitpluviaAdvantageofsyphonicroofsystem虹吸排水系统的优点材料多,安装复杂Moreverticalandgroundpipes,andcomplicatedinstallation传统重力式Conventional管径大,需1-3%的坡度Biggerpipedimension,needs1-3%slope空气Air水Water低效排水Lowefficientdrainage管径小,无需坡度,美观节省空间Smallerpipedimension,noslope更少的材料,更少的地面开挖工作Lessverticalandgroundpipes,easyinstallation虹吸式Syphonic水Water高效排水Highefficientdrainage2007.1.31/byEileenSlide16GeberitpluviaPotentialrisfofsyphonicroofsystem虹吸排水系统的潜在风险DammingHeight斗前水深ImportantdifferencebetweenConventionalsystemandsyphonicsystem虹吸系统与重力系统的重要不同点Syphoniceffectwillonlyworkwhendammingheightreachescertainlevel只有当斗前水深达到一定高度时,虹吸现象才会产生!Thehigherthedammingheight,theheavierthewaterloadonroof斗前水深越高,屋面所受荷载越大Ifdammingheightisnotstable,thedrainagesystemwillworkunstably如果斗前水深不稳定,系统就无法稳定工作Ifdammingheightisuncontrollable,potentialriskisnotmanageable如果斗前水深不可控,潜在风险就无法控制2007.1.31/byEileenSlide17GeberitpluviaPotentialrisfofsyphonicroofsystem虹吸排水系统的潜在风险InaccurateHydraulicCalcualtion不精确水力的计算Notusingspecifiedpipes,fittingsandfasteningsystemforsyphonicrainwatersystem不使用虹吸系统专用管材,配件及紧固系统Coarseandcarelessinstallation粗糙的安装Lackofcompletequalityguaranteeandwarrantysystem缺乏完整的质量保证及保障体系Couldleadto可能导致2007.1.31/byEileenSlide18GeberitpluviaPotentialrisfofsyphonicroofsystem虹吸排水系统的潜在风险Oreven:Collapseofroof甚至:屋面坍塌Leakage渗漏Reductionofsystemlifetime排水系统寿命降低MisshapeofRooforceiling屋面或吊顶严重变型Cannotdrainoutwater屋面无法排水2007.1.31/byEileenSlide19GeberitpluviaGeneralintroduction综合简介Advantageandpotentialriskofsyphonicroofsystem虹吸排水系统的优点及潜在风险GeberitPluvia–thesafestandreliablesyphonicroofdrainagesystem吉博力Pluvia-最安全可靠的虹吸排水系统Referenceprojects–Automobileindustry样板项目–汽车工业领域2007.1.31/byEileenSlide20GeberitpluviaAccuratehydrauliccalculation更接近实际工况的水力计算CompleteGeberit-madesystem由吉博力制造的完整系统Safety&Reliability安全可靠吉博力Pluvia–最安全可靠的虹吸排水系统4uniquecharacteristicsofGeberitPluvia吉博力Pluvia的4个独到之处2007.1.31/byEileenSlide21GeberitpluviaAccuratehydrauliccalculation更接近实际工况的水力计算43211Pluviaiscalculatedtoachieve‘Full-boreFlow’.Pluvia通过计算以期实现的是虹吸满管流2Inpractice,evenifPipefilledwith100%ofwater,thereisstillsomeAIRinside.GeberituniqueWater-airmixturecalculationcanmakecalculatedresultsalmostthesameaspracticalresults.实际情况下,即使管道充满水,里面还会溶入空气。吉博力独特的气水混合度计算会使计算结果与实际水力情况极为相似。3AccuratecalculationresultsinStabledamming-height,whichcanmakesystemworkingunderstablesyphoniccondition,andwaterloadofroofbecontrolled精确计算实现稳定可控斗前水深,从而使系统在稳定虹吸状态下工作,屋面水负荷得到有效控制4Pro-plannersoft-waremakecalculationmoreefficientandaccurate专业计算软件使计算更为迅速精确2007.1.31/byEileenSlide22GeberitpluviaCompleteGeberit-madesystem由吉博力制造的完整系统Fromoutletstopipesandfittingstoallfasteningsystem,everythingisspeciallydesignedforsyphonicsystem,andismadebyGeberit.从雨水斗到管材管件到紧固系统,每一个部件都是为虹吸系统度身定做;每一个部件都是吉博力制造。2007.1.31/byEileenSlide23GeberitpluviaBBASystemcertificateBBA完整系统认证BBA–TheinternationalauthorizedassociationforSyphonicroofdrainagesystemBBA–全球虹吸屋面雨水系统权威认证GeberitPluviaistheonlysyphonicroofdrainagesysteminChinathathasgotthewholesystemcertificate(includingoutlets,pipes,fittings,fasteningsystems,andcalculationsoftware)fromBBA!吉博力Pluvia是国内唯一获得BBA完整系统认证(包括雨水斗,管材,管件,固定系统及计算软件)的虹吸屋面排水系统!2007.1.31/byEileenSlide24Geberitpluvi