最新最小流量阀HYCON原理PPT课件.ppt

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1、最小流量阀HYCON原理CavitationPhenomenonInletPressureOutletPressureCavitationVaporPressureVenaContractorFlowCavitationPhenomenononthevalveplugGenerateofBubble煤矿水灾害的成因分析：1、一些煤矿，特别是乡镇小煤矿，在开采设计过程中，对于防治水灾害的措施不合理，没有设计探放水措施，没有设计防水煤柱等。2、对煤矿的水文地质分析不够，特别是探放水不够，在开采中盲目掘进，造成突水事故。3、在开采过程中，矿工违章违规操

2、作，造成水灾事故。4、煤矿没有制定相应的安全规程，装备不齐全，不到位，导致水灾害发生。5、煤矿供电和排水系统运行可靠性能出现故障，造成煤矿水灾害事故。6、地震，山洪暴发等自然灾害引发了煤矿水灾还事故等。SeatingSurfaceofMetalSeattypeValve32deg.30deg.PlugSeatLeakageClassofMetalSeatTrimMin.ClassV...5x10-12m3/sec/mm/barEx.D.P=300bar,SeatDia.=100mmallowableleakageis9cc/minMetalPar

3、ticleSeatSoftSeatHyConTrimPlugSoftSeatMetalSeatHyConCageCloseP1ANSIB16.104LeakageClassVISoftSeatHyConTrimPlugSoftSeatMetalSeatCloseP1ANSIB16.104LeakageClassVIHyConCageSoftSeatHyConTrimPlugSoftSeatMetalSeatOpenP1P1HyConCageWireDrawingonPlugSurfaceProtectionofValveBodyBodyFinal

4、Velocity=Voxtan20xL1tan20xL22HyConTrimFlowtoOpenFlowtoCloseVibrationOccurBathTubStopperEffectCenteringPerformanceofCageGuideUniformTightnessSeatClearanceUnbalancedTightnessSeatCenteringandSeatingPerformancePlugPlugOverlapofHyConforHyConAnti-CavitationTrimMainMenu1.Hesaidsoftl

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7、dbyetoSarawithwhomIspentthewholesummer.Herfiguredisappearedinmysightatlast................11.Ihadtoadmitthatmydisappointmentwasgrowingsteadily.12.NothingwassadderthanbeingleftoutbyfamilyonChristmans.13.NosoonerhadIheardthelaughterfrommyyoungersonthanIfeltheart-broken.14.Overc

8、omebydisappointmentandloneliness,IbecamefullyawarethatIshouldhavespe