厂界噪声治理需求分析与设计方案研究.pdfVIP

机械工程师

MECHANICALENGINEER

厂界噪声治理需求分析与设计方案研究

徐升，李艳军，刘旭峰，张文长

（中国航发沈阳发动机研究所，沈阳110015）

摘要：

为了研究试验器工作时对厂界噪声的影响，以某厂房为研究对象，提出厂界噪声的治理方案。通过现场排查、识别

厂房噪声源，对噪声源进行噪声测量，分析得出各噪声源最大噪声。依据噪声源最大噪声值，开展噪声治理需求分析。按照

需求分析结果，提出厂界噪声治理总体方案，详细介绍了各种隔声降噪设备的结构组成。利用仿真软件对厂界噪声治理方

案进行数值模拟，仿真结果表明，通过噪声治理后，厂界噪声不超过60dB，噪声排放指标满足国家环保标准Ⅱ类标准昼间

要求。

关键词：

噪声治理；需求分析；噪声仿真

中图分类号:TB533文献标志码:粤文章编号：员园园圆原圆猿猿猿（圆园24）12原园138原园5

DemandAnalysisandDesignStudyofFactoryBoundaryNoiseControl

XUShengLIYanjunLIUXufengZHANGWenchang

(AECCShenyangEngineResearchInstitute,Shenyang110015,China)

Abstract:Inordertostudytheinfluenceofthetesteronthenoiseattheplantboundaryduringoperation,aplantwastaken

astheresearchobject,andacontrolschemeofthenoiseattheplantboundarywasproposed.Throughon-siteinvestigation

andidentificationofplantnoisesources,thenoisesourceismeasured,andthemaximumnoisevalueofeachnoisesourceis

obtained.Accordingtothemaximumnoisevalueofthenoisesource,thedemandanalysisofnoisecontroliscarriedout,and

thedemandisconvertedintothedesignrequirementsanddesignindicatorsofsoundinsulationandnoisereduction

equipment,andthefeasibilityanalysisiscarriedout.Accordingtotheresultsofdemandanalysis,theoverallschemeofnoise

controlisputforward,andthestructureofvariousnoisereductionequipmentisintroducedindetail.Thesimulationsoftware

isusedtonumericallysimulatethenoisecontrolschemeattheplantboundary,andthesimulationresultsshowthatthenoise

attheplantboundarydoesnotexceed60dB(A)afterthenoisecontrol,andthenoiseemissionindexmeetsthedaytime

requirementsofthenationalenvironmentalprotectionstandardClassII.standard.