漳州东山移动螺杆空压机租赁厦门川野机械有限公司张经理：I598O885OI6。漳州东山移动螺杆空压机租赁空气压缩机噪声源分析NoiseSourceAnalysisofAirCompressor空压机是一种噪声较大的设备。在室外安装时，dh90-1离心式空气压缩机在2m处的噪声为114.5db(A)。Aircompressorisakindofequipmentwithhighnoise.Wheninstalledoutdoors,thenoiseofdh90-1centrifugalaircompressorat2mis114.5db(A).空压机噪声包括空气动力噪声、机械噪声和电磁噪声。辐射噪声可分为:空压机机体噪声源;电机噪声源;进气管噪声源;进气口噪声源;排气管噪声源;排气噪声源。采用近场法对各部件的噪声频谱进行了测量，表明该空压机的噪声为中高频噪声。Thenoiseofaircompressorincludesaerodynamicnoise,mechanicalnoiseandelectromagneticnoise.Radiatednoisecanbedividedinto:aircompressorbodynoisesource;motornoisesource;intakepipenoisesource;intakeportnoisesource;exhaustpipenoisesource;exhaustnoisesource.Thenoisespectrumofeachcomponentismeasuredbythenearfieldmethod,whichshowsthatthenoiseoftheaircompressorismediumandhighfrequencynoise.二、控制空压机机体噪声和电机噪声，***合理的措施是为空压机增设隔音罩。为确保隔音罩的降噪效果，应注意:2.Themostreasonablemeasuretocontrolthenoiseoftheaircompressorbodyandmotoristoaddasoundinsulationcoverfortheaircompressor.Inordertoensurethenoisereductioneffectofthesoundinsulationcover,attentionshouldbepaidto:1.外壳壁数据应具有足够的隔声能力。本工程采用多层隔声结构，设计隔声能力为30dB(A)。1.Shellwalldatashouldh***eadequatesoundinsulation.Thisprojectadoptsmulti-layersoundinsulationstructure,andthedesignedsoundinsulationcapacityis30dB(A).厦门泉州漳州龙岩空压机Jinanaircompressor2.门、窗、孔等隔音薄件的处理。在本工程中，门、采光窗和通风口应安装消声器。消声器结构的两个设计值为25dB(A)。2.Processingofsound-proofthinpartssuchasdoors,windowsandholes.Inthisproject,mufflersshouldbeinstalledondoors,lightingwindowsandventilationoutlets.Thetwodesignvaluesofmufflerstructureare25dB(A).3.内墙吸声处理较强。本项目采用50mm厚离心玻璃棉毡作为吸声数据，其高频吸声性能优异，符合要求的控制噪声频率特性。为了增加低频吸声，在吸声数据后留下50mm厚的空气层。3.Thesoundabsorptiontreatmentoftheinnerwallisstrong.Inthisproject,50mmthickcentrifugalglasswoolfeltisusedassoundabsorptiondata.Itshighfrequencysoundabsorptionperformanceisexcellent,anditmeetstherequirementsofcontrollingnoisefrequencycharacteristics.Inordertoincreaselowfrequencysoundabsorption,50mmthickairlayerisleftaftersoundabsorptiondata.由于消费者的需求，空压机无法关闭。在设计中，应用了原气动拧紧机的钢筋混凝土座椅，将隔声罩加成两部分。由于采用了钢筋混凝土支座的支撑，使得隔声罩的主龙骨结构得到简化，便于机器运行时的施工。隔音罩下部70%可采用砖墙，节约管理资金。为了满足设备的维修要求，阀盖是可拆卸的，以便于机械操作的举升;隔声罩下设计有声门，便于管理人员出入和维护。Becauseofthedemandofc***umers,theaircompressorcannotbeshutdown.Inthedesign,thereinforcedconcreteseatoftheoriginalpneumatictightenerisapplied,andthesoundinsulationcoverisaddedintotwoparts.Becauseofthesupportofreinforcedconcretesupport,themainkeelstructureofthesoundinsulationcoverissimplified,whichisconvenientforthec***tructionofmachineoperation.70%ofthelowerpartofthesoundinsulationcovercanusebrickwall,s***ingmanagementfunds.Inordertomeetthemaintenancerequirementsoftheequipment,thevalvecoverisremovabletofacilitatethemechanicaloperationoflifting;theglottisunderthesoundinsulationcoverisdesignedtofacilitateaccessandmaintenanceofmanagers.)