ionwherethesilencerwillbeinstalledincludesaircleanness,temperature,humidity,corrosivegas,smear,powder,etc.消声设计的主要依据是:Basisofnoise-controldesign:①噪声源(风机的噪声值Sound(fansource②噪声传播途径passTransmission③测试点位置环境locationTest④噪声控制标准等。noise-controlofStandardization二.消声器的典型结构Typicalconstruction应用于地铁车站环控系统中的消声器有两种类型:金属外壳消声器和结构片式消声器TherearetwotypesofsilencersareappliedtoHVACsysteminmetro:casedsilencerandparallel-bafflesilencer.金属外壳消声器由消声片、外壳、法兰组成,主要用于通风机进出口两端,直接与风机前后的变径相连接Metalshellsilencerismadeupofsilencerunits,shell,flange.Silencersarepositionedintheinletandoutletoffanandconnectwithtransitionsintheupstreamanddownstreamoffan.结构片式消声器由消声片组成,主要用于进、排风土建风道内Parallel-bafflesilencerismadeupofsilencerunits.Silencersarepositionedintheintakeandexhauststructure-duct.外壳采用热浸镀锌钢板Shellismadeofhot-dippedgalvanizedsteel.
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