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auto_1100"> <h1 class="h1">發電機房噪聲治理</h1> <div class="Galary0025121"> <div class="auto_950 auto"> <ul class="slider slider-for ul"> <li> <figure class="Ispic" style=" background-image:url(/uploadfiles/2020/01/20200107145253934.jpg);"></figure> </li> </ul> <ul class="slider slider-nav ul"> <li> <figure class="Ispic" style=" background-image:url(/uploadfiles/2020/01/20200107145253934.jpg);"></figure> </li> </ul> </div> <script> window.onload = function() { $('.Galary0025121 .slider-for').slick({ slidesToShow: 1, slidesToScroll: 1, speed: 500, arrows: false, fade: true, asNavFor: '.slider-nav' }); $('.Galary0025121 .slider-nav').slick({ slidesToShow: 5, slidesToScroll: 1, centerPadding: '0', speed: 500, asNavFor: '.slider-for', dots: false, centerMode: false, focusOnSelect: true, slide: 'li', autoplay: false }); } </script> </div> <p> <span style="font-size:24px;"><span style="font-family:SimSun;font-size:16px;color:#333333;"><strong>（<span style="color:#E53333;">同類項目詳情可致電：潘工：18378209958 姚工：13926003430</span>）</strong></span><span style="font-family:SimSun;font-size:16px;color:#333333;"><strong></strong></span></span> </p> <h2> <b><span style="font-size:24px;">一、噪聲來源：</span></b> </h2> <p class="MsoNormal"> <b></b> </p> <p class="MsoNormal" style="text-indent:28.0000pt;"> <span>根據柴油發電機組的工作原理，其噪聲的產生非常復雜，從產生的原因和部位上來分：</span>1、排氣噪聲；2、機械噪聲；3、燃燒噪聲；4、冷卻風扇和排風噪聲；5、進風噪聲；6、發電機噪聲。 </p> <h2> <b><span style="font-size:24px;">二、執行標準</span></b> </h2> <p class="MsoNormal"> <b></b> </p> <p class="MsoNormal" style="text-indent:28.0000pt;"> <span>《工業企業廠界環境噪聲排放標準》（</span>GB12348-2008）2類標準。 </p> <div align="center"> <table class="MsoNormalTable" border="1" cellspacing="0" style="width:99.96%;border:none;"> <tbody> <tr> <td width="22.1000%" valign="center" style="border:1.0000pt solid windowtext;"> <p class="MsoNormal" align="center" style="text-align:center;"> <b><span style="font-family:Calibri;font-size:10.5pt;">類別</span></b><b><span style="font-family:Calibri;font-size:10.5pt;"></span></b> </p> </td> <td width="37.3200%" valign="center" style="border:1.0000pt solid windowtext;"> <p class="MsoNormal" align="center" style="text-align:center;"> <b><span style="font-family:Calibri;font-size:10.5pt;">晝間</span></b><b><span style="font-family:宋體;font-size:10.5pt;"> [</span></b><span style="font-family:'Times New Roman';font-size:10.5000pt;">dB<span>（</span><span>A</span><span>）</span></span><span style="font-family:宋體;font-size:10.5000pt;">]</span><b><span style="font-family:宋體;font-size:10.5pt;"></span></b> </p> </td> <td width="40.5600%" valign="center" style="border:1.0000pt solid windowtext;"> <p class="MsoNormal" align="center" style="text-align:center;"> <b><span style="font-family:Calibri;font-size:10.5pt;">夜間</span></b><b><span style="font-family:宋體;font-size:10.5pt;"> [</span></b><span style="font-family:'Times New Roman';font-size:10.5000pt;">dB<span>（</span><span>A</span><span>）</span></span><span style="font-family:宋體;font-size:10.5000pt;">]</span><b><span style="font-family:Calibri;font-size:10.5pt;"></span></b> </p> </td> </tr> <tr> <td width="22.1000%" valign="center" style="border:1.0000pt solid windowtext;"> <p class="MsoNormal" align="center" style="text-indent:10.5000pt;text-align:center;"> <span style="font-family:宋體;font-size:10.5000pt;">2 </span><span style="font-family:Calibri;font-size:10.5000pt;">類</span><span style="font-family:Calibri;font-size:10.5000pt;"></span> </p> </td> <td width="37.3200%" valign="center" style="border:1.0000pt solid windowtext;"> <p class="MsoNormal" align="center" style="text-align:center;"> <span style="font-family:宋體;font-size:10.5000pt;">≤</span><span style="font-family:宋體;font-size:10.5000pt;">60</span><span style="font-family:Calibri;font-size:10.5000pt;"></span> </p> </td> <td width="40.5600%" valign="center" style="border:1.0000pt solid windowtext;"> <p class="MsoNormal" align="center" style="text-align:center;"> <span style="font-family:宋體;font-size:10.5000pt;">≤</span><span style="font-family:宋體;font-size:10.5000pt;">50</span><span style="font-family:Calibri;font-size:10.5000pt;"></span> </p> </td> </tr> </tbody> </table> </div> <p class="MsoNormal" style="text-indent:28.0000pt;"> 根據噪聲產生源，一般可以通過隔振、吸聲、消聲及隔聲等措施，使機組對環境噪聲影響降至規定的標準以下。 </p> <h2> <b><span style="font-size:24px;">三、噪聲治理具體方案</span></b> </h2> <p class="MsoNormal"> <b></b> </p> <p class="MsoNormal"> 1、<span>隔聲措施</span> </p> <p class="MsoNormal" style="text-indent:28.0000pt;"> <span>本項目有發電機機房，機房的隔墻均砌</span>240ｍｍ磚墻，240mm磚墻的平均隔聲量為50dB（A）。 </p> <p class="MsoNormal" style="text-indent:28.0000pt;"> <span>為保證機房的噪聲不從通道口外傳，所以要在通道所在位置設置防火隔聲門。隔聲門參照國標</span>J649-M1021設計，門體為雙層鋼板復合結構，內填優質吸聲巖棉，邊框在門縫企口處包毛氈，起到有效的密封作用。 </p> <p class="MsoNormal"> 2、墻壁吸聲措施 </p> <p class="MsoNormal" style="text-indent:28.0000pt;"> 可以根據發電機運行時產生的噪聲聲壓級和機房的情況，確定是否在機房內四周墻壁和頂面做吸聲處理。 </p> <p class="MsoNormal"> 3、進風、排風消聲處理 </p> <p class="MsoNormal"> 4、二次消聲器 </p> <p class="MsoNormal" style="text-indent:28.0000pt;"> <span>發電機組尾氣管分別安裝一次消聲器和二次消聲器，其中一次消聲器為發電機組自帶，二次消聲器選用阻抗復合式消聲器，其消量大于</span>30dB(A) </p> <p class="MsoNormal"> 5、穿墻管，電纜溝同隔聲管道，電纜穿墻用超細玻璃棉填交，實施軟接觸，放置固體噪聲波傳播。 </p> <p class="MsoNormal"> <span style="font-family:SimSun;font-size:18px;color:#333333;">（<span style="color:#E53333;">如需了解更多詳情歡迎致電：潘工：18378209958 姚工：13926003430</span>）</span><span style="font-family:SimSun;font-size:18px;color:#333333;"></span> </p> <p class="MsoNormal"> <br /> </p> <div class="info_pn"> <span></span> <span></span> </div> </div> </div> <div class="clearfix"></div> </div>  <div class="yqlx"> <div class="auto auto_1100"> <div class="dl"> <dd><span>友情鏈接：</span></dd> <dd><a target="_blank">生態環境部</a></dd> <dd><a target="_blank">廣州市生態環境局</a></dd> <dd><a target="_blank">廣州市水務局</a></dd> <div class="clear"></div> </div> </div> </div>  <div class="Bottom002494"> <footer> <div class="auto auto_1100"> <div class="wrap-container clearfix"> <div class="botnav"> <ul class="ul clearfix"> <li> <dl 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