高压消声降噪球阀研究

©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(2010)0220017203:(1974-),,(,062150),,,;;:TH134:AResearchonballvalveofhighpressurenoiseeliminationLIJin2zheng(HebeiHongyeyongtaifluidmachineryCo.Ltd,Botou062150,China)Abstract:Aimedattheconcreteconditionswhethefluidflowthroughballvalve,theprincipleofa2cousticswhichcausednoiseandvibrationisresearched,improvingstructureofballvalveisproposed,noiseandvibrationcausedbyhighpressureballvalvewhenopeningorclosingarereduced,thetechnol2ogyofdomestichighpressureballvalveisadvanced.Keywords:highpressureballvalve;noiseelimination;grizzlyscreen1,(),,1,,,,,,,2211902,,,(1),,,,,,,,,,3V122+P1=Vvc22+Pvc(1),kg/m3V1,m/sVvc,m/sP1,MPaPvc,MPa7120102©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=V12+2(P1-P2)(2)P2,MPa(2),,,,(2)2(a),,,,2(b),,,4(a)(b)2,,,,,,,,,,,,,,,,,,,,,5,,,,,,,,,212,,,,,,,,,,10008000Hz,100dB,150dB6,,,,,,3,,,,,,8120102©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(3)(a)(b)(c)33(a),,,,3(b),,,,,,,,,,,,,,3(c),,,,,,,,,4,,,,,,,,,,,,1.Z.:,1976.2.M.:,1992.3.M.:,1981.4,,.M.:,2005.5,,,.J.,2003,14(4).6()PhilipL.Skousen,.M.:,2005.7,,,.J.,2008.(:2010101126)!!!9120102