?!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> title_temp 低噪音发电机组的性能与结?- 沈阳德尼斯机电设备有限公?/title> <meta name="Keywords" content=""> <meta name="applicable-device" content="pc,mobile" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta name="MobileOptimized" content="width" /> <meta name="HandheldFriendly" content="true" /> <link href="/template/YXX0063/css/css.css" rel="stylesheet" type="text/css" /> <link href="/template/YXX0063/css/css_con.css" rel="stylesheet" type="text/css" /> <meta http-equiv="Cache-Control" content="no-transform" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head> <body><h1><a href="http://58movies.com/">88</a></h1> <div id="top_A"> <div id="b4aa5kuc2j" class="top"> <div id="b4aa5kuc2j" class="top_left"> 沈阳德尼斯机电设备有限公司为您免费提?a href="http://58movies.com">沈阳发电?/a>?a href="/supply/">大型发电机组价格</a>?a href="/news/">沈阳柴油发电机组价格</a>等相关信息发布和最新资讯,敬请关注? 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style="color:#e53333;">?/span><strong><span style="color:#e53333;">13909821888</span></strong></span></span> </p> <p style="background-color:white;font-family:宋体;color:#333333;" class="MsoNormal" align="left"> <b><span style="color:#656464;font-size:12pt;">结构:</span></b><span style="color:#656464;font-size:12pt;"></span> </p> <p style="background-color:white;font-family:宋体;color:#333333;" class="MsoNormal" align="left"> <span style="color:#656464;font-size:12pt;">88福彩?整体机组体积小、重量轻、结构紧凑、造型新颖美观?/span> </p> <p style="background-color:white;font-family:宋体;color:#333333;" class="MsoNormal" align="left"> <span style="color:#656464;font-size:12pt;">?隔声罩造型美观、拆装简单,机组操作方便?/span> </p> <p style="background-color:white;font-family:宋体;color:#333333;" class="MsoNormal" align="left"> <span style="color:#656464;font-size:12pt;">88福彩?nbsp;多层屏蔽阻抗错配式隔声罩?/span> </p> <p style="background-color:white;font-family:宋体;color:#333333;" class="MsoNormal" align="left"> <span style="color:#656464;font-size:12pt;">?nbsp;高效降噪型多路进排气,进排风通道,保证机组充足的动力性能?/span> </p> <p style="background-color:white;font-family:宋体;color:#333333;" class="MsoNormal" align="left"> <span style="color:#656464;font-size:12pt;">?nbsp;良好的通风系统及防止热辐射措施确保机组始终工作于适宜的环境温度;<br /> ?专用降噪消声材料的采用,极大程度地抑制机械噪声;<br /> ?高效减震措施确保<a href="http://58movies.com/supply" target="_blank">柴油发电机组</a>的平稳运行;<br /> ?消声外壳适当位置专设观察窗和紧急停机按钮,方便了使用操作和观察机组运行状态;<br /> ?自动电压调节器,性能优良,运行可靠;</span> </p> <p style="background-color:white;font-family:宋体;color:#333333;" class="MsoNormal" align="left"> <span style="color:#656464;font-size:12pt;">88福彩?nbsp;超大容量机座燃油箱,可供连续负载运行8小时?/span> </p> <p style="background-color:white;font-family:宋体;color:#333333;" class="MsoNormal" align="left"> <span style="color:#656464;font-size:12pt;">?nbsp;噪音降至65dB(a)?0dB(a)之间(距声?m处测) ?/span> </p> <p style="background-color:white;font-family:宋体;color:#333333;" class="MsoNormal" align="left"> <span style="color:#656464;font-size:12pt;">?nbsp;特设快速开启盖板,维护保养方便。超静音<a href="http://58movies.com/supply" target="_blank">柴油发电机组</a> 直喷式燃烧室燃烧效率高,噪声低。具</span> </p> <p style="background-color:white;font-family:宋体;color:#333333;" class="MsoNormal" align="left"> <span style="color:#656464;font-size:12pt;">   </span><span style="color:#656464;font-size:12pt;">有超强的降澡音功能,该发电机组广泛应用与医院,学校等多个行业,采用一体化设计,完全独?/span> </p> <p style="background-color:white;font-family:宋体;color:#333333;" class="MsoNormal" align="left"> <span style="color:#656464;font-size:12pt;">   </span><span style="color:#656464;font-size:12pt;">的配置,可满足任何情况下的用电要求?/span> </p> <p style="background-color:white;font-family:宋体;color:#333333;" class="MsoNormal" align="left"> <b><span style="color:#656464;font-size:12pt;">性能:</span></b><span style="color:#656464;font-size:12pt;"></span> </p> <p style="background-color:white;font-family:宋体;color:#333333;" class="MsoNormal" align="left"> <span style="color:#656464;font-size:12pt;">?噪声(距离机?m处):≤65dB(A)</span> </p> <p style="background-color:white;font-family:宋体;color:#333333;" class="MsoNormal" align="left"> <span style="color:#656464;font-size:12pt;">?稳态电压调整率:≤±1%</span> </p> <p style="background-color:white;font-family:宋体;color:#333333;" class="MsoNormal" align="left"> <span style="color:#656464;font-size:12pt;">?瞬态电压调整率?20%?15%</span> </p> <p style="background-color:white;font-family:宋体;color:#333333;" class="MsoNormal" align="left"> <span style="color:#656464;font-size:12pt;">?稳态频率调整率:≤5%</span> </p> <p style="background-color:white;font-family:宋体;color:#333333;" class="MsoNormal" align="left"> <span style="color:#656464;font-size:12pt;">?瞬态频率调整率:≤±10%</span> </p> <p style="background-color:white;font-family:宋体;color:#333333;" class="MsoNormal" align="left"> <span style="color:#656464;font-size:12pt;">?空载电压整定范围:≥?6-105?Un  </span> </p> <p style="background-color:white;font-family:宋体;color:#333333;" class="MsoNormal" align="left"> <b><span style="color:#656464;font-size:12pt;">技术参?</span></b><span style="color:#656464;font-size:12pt;"></span> </p> <p style="background-color:white;font-family:宋体;color:#333333;" class="MsoNormal" align="left"> <span style="color:#656464;font-size:12pt;">?额定电压?00V</span> </p> <p style="background-color:white;font-family:宋体;color:#333333;" class="MsoNormal" align="left"> <span style="color:#656464;font-size:12pt;">?额定转速:1500r/min</span> </p> <p style="background-color:white;font-family:宋体;color:#333333;" class="MsoNormal" align="left"> <span style="color:#656464;font-size:12pt;">?额定频率?0Hz</span> </p> <p style="background-color:white;font-family:宋体;color:#333333;" class="MsoNormal" align="left"> <span style="color:#656464;font-size:12pt;">?额定功率因数?.8(滞后) </span> </p> <p style="background-color:white;font-family:宋体;color:#333333;" class="MsoNormal" align="left"> <span style="color:#656464;font-size:12pt;">----------------------------------------------------------------------------------</span> </p> <p style="background-color:white;font-family:宋体;color:#333333;" class="MsoNormal" align="left"> <span style="color:#656464;font-size:12pt;"> </span> </p> <p style="background-color:white;font-family:宋体;color:#333333;" class="MsoNormal" align="left"> <b><span style="color:#656464;font-size:12pt;">1</span></b><b><span style="color:#656464;font-size:12pt;">、静音型发电机组的发展趋?/span></b><span style="color:#656464;font-size:12pt;"></span> </p> <p style="background-color:white;font-family:宋体;color:#333333;" class="MsoNormal" align="left"> <span style="color:#656464;font-size:12pt;"><br />    </span><span style="color:#656464;font-size:12pt;">当前我国电力紧张问题越来越突出,同时人们对环保的要求也越来越高。作为供电网的备用电源,带静音箱?a href="http://58movies.com/supply" target="_blank">柴油发电机组</a>以其噪声小得到了大量使用,特别是医院、宾馆、高档生活区、大型商场等对环境噪声要求严格的场所是不可缺少的应急设备。对于大功率机组由于本身噪声大,只有实现较大的降噪量才能使机组的噪声量满足当前的环保要求,为此我司花费大量的人资、物资研究出具有良好降噪性能的静音箱,此静音箱对于发电机组的发展及使用具有重要意义,为客户带来极大的方便,此种静音型发电机组可置于室内,也可直接的摆放在室外,置于室内,为客户节约空间,机房摆放几台静音型发电机的同时,电力工作人员也可在内办公及一些其它的电力设备也可置于里面等,置于室外,这样更为客户节约大量的资金去建发电机房,从而减少发电机房的消音工程?/span><span style="font-size:12pt;">?/span><span style="font-size:12pt;">免费咨询电话?strong>13909821888</strong></span> </p> <p style="background-color:white;font-family:宋体;color:#333333;" class="MsoNormal" align="left"> <span style="color:#656464;font-size:12pt;"><br /> <b>2</b></span><b><span style="color:#656464;font-size:12pt;">、噪声的危害?/span></b><span style="color:#656464;font-size:12pt;"></span> </p> <p style="background-color:white;font-family:宋体;color:#333333;" class="MsoNormal" align="left"> <span style="color:#656464;font-size:12pt;"><br />    </span><span style="color:#656464;font-size:12pt;">噪声对供电值勤人员的危害是多方面的。在高噪声的刺激下,人的注意力易集中,心情烦躁,易疲劳,反应迟钝,工作质量下降,严重者可致耳聋等身体病变,甚至引起事故。噪声污染属于物理性污染,这种危害有长期的遗留性,表现在引起人体的慢性疾病、器质性病变及神经等系统的损害。国家劳动社会保障部颁布的《工业企业噪声卫生标准》中规定:“作业场工作地点的噪声标准为85db(A)分贝”?/span> </p> <p style="background-color:white;font-family:宋体;color:#333333;" class="MsoNormal" align="left"> <span style="color:#656464;font-size:12pt;"> </span> </p> <p style="background-color:white;font-family:宋体;color:#333333;" class="MsoNormal" align="left"> <span style="color:#656464;font-size:12pt;">   </span><b><span style="color:#656464;font-size:12pt;">常见工作场所噪声情况</span></b><span style="color:#656464;font-size:12pt;"></span> </p> <div id="b4aa5kuc2j" style="margin:0px;font-family:宋体;color:#333333;" align="center"> <table class="MsoNormalTable" border="1" cellspacing="0" cellpadding="0"> <tbody> <tr> <td valign="top" width="279"> <p style="text-align:center;" class="MsoNormal" align="center"> <span style="font-family:宋体;font-size:12pt;">?nbsp; 所</span> </p> </td> <td valign="top" width="110"> <p style="text-align:center;" class="MsoNormal" align="center"> <span style="font-family:宋体;font-size:12pt;">?nbsp; 声db(A)</span> </p> </td> <td valign="top" width="152"> <p style="text-align:center;" class="MsoNormal" align="center"> <span style="font-family:宋体;font-size:12pt;">对人的影?/span> </p> </td> </tr> <tr> <td valign="top" width="279"> <p style="text-align:center;" class="MsoNormal" align="center"> <span style="font-family:宋体;font-size:12pt;">火箭导弹发射?/span> </p> </td> <td valign="top" width="110"> <p style="text-align:center;" class="MsoNormal" align="center"> <span style="font-family:宋体;font-size:12pt;">150</span><span style="font-family:宋体;font-size:12pt;">?60</span> </p> </td> <td valign="top" width="152"> <p style="text-align:center;" class="MsoNormal" align="center"> <span style="font-family:宋体;font-size:12pt;">无法忍受</span> </p> </td> </tr> <tr> <td valign="top" width="279"> <p style="text-align:center;" class="MsoNormal" align="center"> <span style="font-family:宋体;font-size:12pt;">88福彩喷气式飞?/span> </p> </td> <td valign="top" width="110"> <p style="text-align:center;" class="MsoNormal" align="center"> <span style="font-family:宋体;font-size:12pt;">130</span><span style="font-family:宋体;font-size:12pt;">?40</span> </p> </td> <td valign="top" width="152"> <p style="text-align:center;" class="MsoNormal" align="center"> <span style="font-family:宋体;font-size:12pt;">无法忍受</span> </p> </td> </tr> <tr> <td valign="top" width="279"> <p style="text-align:center;" class="MsoNormal" align="center"> <span style="font-family:宋体;font-size:12pt;">高射机枪</span> </p> </td> <td valign="top" width="110"> <p style="text-align:center;" class="MsoNormal" align="center"> <span style="font-family:宋体;font-size:12pt;">120</span><span style="font-family:宋体;font-size:12pt;">?30</span> </p> </td> <td valign="top" width="152"> <p style="text-align:center;" class="MsoNormal" align="center"> <span style="font-family:宋体;font-size:12pt;">88福彩痛阈(yù?/span> </p> </td> </tr> <tr> <td valign="top" width="279"> <p style="text-align:center;" class="MsoNormal" align="center"> <span style="font-family:宋体;font-size:12pt;"><a href="http://58movies.com/supply" target="_blank">柴油发电机组</a></span> </p> </td> <td valign="top" width="110"> <p style="text-align:center;" class="MsoNormal" align="center"> <span style="font-family:宋体;font-size:12pt;">110</span><span style="font-family:宋体;font-size:12pt;">?20</span> </p> </td> <td valign="top" width="152"> <p style="text-align:center;" class="MsoNormal" align="center"> <span style="font-family:宋体;font-size:12pt;">痛阈(yù?/span> </p> </td> </tr> <tr> <td valign="top" width="279"> <p style="text-align:center;" class="MsoNormal" align="center"> <span style="font-family:宋体;font-size:12pt;">载重汽车</span> </p> </td> <td valign="top" width="110"> <p style="text-align:center;" class="MsoNormal" align="center"> <span style="font-family:宋体;font-size:12pt;">90</span><span style="font-family:宋体;font-size:12pt;">?00</span> </p> </td> <td valign="top" width="152"> <p style="text-align:center;" class="MsoNormal" align="center"> <span style="font-family:宋体;font-size:12pt;">88福彩有损?/span> </p> </td> </tr> <tr> <td valign="top" width="279"> <p style="text-align:center;" class="MsoNormal" align="center"> <span style="font-family:宋体;font-size:12pt;">喧哗马路</span> </p> </td> <td valign="top" width="110"> <p style="text-align:center;" class="MsoNormal" align="center"> <span style="font-family:宋体;font-size:12pt;">90</span><span style="font-family:宋体;font-size:12pt;">?00</span> </p> </td> <td valign="top" width="152"> <p style="text-align:center;" class="MsoNormal" align="center"> <span style="font-family:宋体;font-size:12pt;">有损?/span> </p> </td> </tr> <tr> <td valign="top" width="279"> <p style="text-align:center;" class="MsoNormal" align="center"> <span style="font-family:宋体;font-size:12pt;">大声讲话</span> </p> </td> <td valign="top" width="110"> <p style="text-align:center;" class="MsoNormal" align="center"> <span style="font-family:宋体;font-size:12pt;">70</span><span style="font-family:宋体;font-size:12pt;">?0</span> </p> </td> <td valign="top" width="152"> <p style="text-align:center;" class="MsoNormal" align="center"> <span style="font-family:宋体;font-size:12pt;">很吵</span> </p> </td> </tr> <tr> <td valign="top" width="279"> <p style="text-align:center;" class="MsoNormal" align="center"> <span style="font-family:宋体;font-size:12pt;">一般讲?/span> </p> </td> <td valign="top" width="110"> <p style="text-align:center;" class="MsoNormal" align="center"> <span style="font-family:宋体;font-size:12pt;">60</span><span style="font-family:宋体;font-size:12pt;">?0</span> </p> </td> <td valign="top" width="152"> <p style="text-align:center;" class="MsoNormal" align="center"> <span style="font-family:宋体;font-size:12pt;">较吵</span> </p> </td> </tr> <tr> <td valign="top" width="279"> <p style="text-align:center;" class="MsoNormal" align="center"> <span style="font-family:宋体;font-size:12pt;">88福彩普通房?/span> </p> </td> <td valign="top" width="110"> <p style="text-align:center;" class="MsoNormal" align="center"> <span style="font-family:宋体;font-size:12pt;">50</span><span style="font-family:宋体;font-size:12pt;">?0</span> </p> </td> <td valign="top" width="152"> <p style="text-align:center;" class="MsoNormal" align="center"> <span style="font-family:宋体;font-size:12pt;">一?/span> </p> </td> </tr> <tr> <td valign="top" width="279"> <p style="text-align:center;" class="MsoNormal" align="center"> <span style="font-family:宋体;font-size:12pt;">静夜</span> </p> </td> <td valign="top" width="110"> <p style="text-align:center;" class="MsoNormal" align="center"> <span style="font-family:宋体;font-size:12pt;">30</span><span style="font-family:宋体;font-size:12pt;">?0</span> </p> </td> <td valign="top" width="152"> <p style="text-align:center;" class="MsoNormal" align="center"> <span style="font-family:宋体;font-size:12pt;">88福彩?/span> </p> </td> </tr> </tbody> </table> </div> <p style="background-color:white;font-family:宋体;color:#333333;" class="MsoNormal" align="left"> <span style="color:#656464;font-size:12pt;"> </span> </p> <p style="background-color:white;font-family:宋体;color:#333333;" class="MsoNormal" align="left"> <span style="color:#656464;font-size:12pt;">   </span><span style="color:#656464;font-size:12pt;">88福彩以上可知?0 db(A)以上影响入眠,将人员突置?50 db(A)的强噪声下会严重致残或伤亡?/span> </p> <p style="background-color:white;font-family:宋体;color:#333333;" class="MsoNormal" align="left"> <span style="color:#656464;font-size:12pt;"><br /> <b>3</b></span><b><span style="color:#656464;font-size:12pt;">、发电机组的噪声分析和控制分?/span></b><span style="color:#656464;font-size:12pt;"></span> </p> <p style="background-color:white;font-family:宋体;color:#333333;" class="MsoNormal" align="left"> <span style="color:#656464;font-size:12pt;"><br />    </span><span style="color:#656464;font-size:12pt;">88福彩根据燃机发电机组的工作原理,其噪声的产生非常复杂。从产生的原因和部位上来分,燃机发电机组的噪声可以包括以下几部分:(1)排烟噪声;?)机械噪声;?)燃烧噪声;?)冷却风扇和排风噪声;(5)进风噪声;?)发电机噪声?/span> </p> <p style="background-color:white;font-family:宋体;color:#333333;" class="MsoNormal" align="left"> <span style="color:#656464;font-size:12pt;"><br /> <b>4</b></span><b><span style="color:#656464;font-size:12pt;">、各分区噪声分析</span></b><span style="color:#656464;font-size:12pt;"></span> </p> <p style="background-color:white;font-family:宋体;color:#333333;" class="MsoNormal" align="left"> <span style="color:#656464;font-size:12pt;"><br />    1</span><span style="color:#656464;font-size:12pt;">)内燃机排气噪声?nbsp;即内燃机排烟通道,排烟噪声是一种高温、高速的脉动性气流噪声,是机组噪声由能量最大,成分最多的部份,比进气噪声及机体辐射的机械噪声要高得多,是机组总噪声中最主要的组成部份?br /> <br />    2)进气噪声区 进气噪声区主要存在机组机械噪声、发电机噪声和气流噪声等。由于进气是被动进气,且所处位置远离主噪声源,噪声级与其他几个区相比相对较低,相对要求降噪量就小?br /> <br />    3)箱体内部噪声控制区 主要有机械噪声、发电机噪声及内燃机燃烧噪声。但该区相对较封闭,所以主要考虑噪声的隔声问题,以减少噪声的向外传播?br /> <br />    4)排气噪声控制区 排气噪声区主要成分为排风噪声、气流噪声、风扇噪声、机械噪声和内燃机燃烧噪声等。该区噪声源较多,噪声级较高,且由于机组采用强排风降温,增加了噪声的向外传播,所以此区的噪声控制相对较困难一些?br /> <br /> <b>5</b><b>、隔声和吸声设计</b></span> </p> <span style="line-height:21px;font-family:宋体;color:#656464;font-size:12pt;"> <p style="background-color:white;" class="MsoNormal" align="left"> <br />    <span style="font-size:12pt;">隔声箱体是为有效降低机组噪声对外界的影响,有效地阻止噪声向外传播,将噪声源的噪声控制在箱体内部,从而降低其对外界影响。隔声技术是用隔声体使部分声波的传播方向改变(反射、折射),使穿透该物体的声波能量减弱,从而降低隔声体另一面的噪声?br />    1)进、排气口噪声处理<br /> 由于箱体取自然进风、强制排风、在进、排风口产生孔洞,导致漏声,既形成进气噪声区各排气噪声区。为防止噪声从进、排风风道向外传播,进、排风风口均须安装消声器。根据排风风量和燃气量,设计进风排气声通道,保证在进、排顺畅的前提下(风速一般取5m/s左右为宜),达到所有需要的消声效果。具体设计时,采用多通道折板式阻性消声器。原则上排风口截面积设计为进风口截面?.5倍?br />    2)内燃机排气噪声的控?br /> 由于排气管是<a href="http://58movies.com/supply" target="_blank">柴油发电机组</a>的最大噪声扩散源,因此抑制排气噪声最简单的且有效的方法就是在排气管上安装消声器。所采用的消声器应尽量减少通道各部件的压力损失,故要坚持以下原则:1尽量降低排气通道中各部件的气流速度?尽量减少排气通道中直角弯头的次数,并扩大排气管截面。因此设计进行消声外理时遵循以上原则,在原有消声器的基础上再加一抗性消声器形成两级扩张式(抗性)消声器。但是,采用消声器会使排气管中气流阻力增大,降低<a href="http://58movies.com/supply" target="_blank">柴油发电机组</a>的有效功率,因此要加以注意?br />    3)发电机组排气噪声的控制<br /> 由于排气管是<a href="http://58movies.com/supply" target="_blank">柴油发电机组</a>最大的噪声源,因此对排气消声就最为重要。最为简单有效的方法就是在排气烟管尾部安装排气消声器。所采用的消声器应尽量减少通道各部件的压力损失,故要坚持以下原则:1)尽量降低排气通道中的气流速度?)尽量减小排气通道中直角弯头的次数,并扩大排气管的截面积。因此,设计进行消声处理时,最好加上抗性功能。尽可能采用3?腔式,形成多级扩张(抗性)消声器,可有效减?5?5dB排气噪声。但是采用消声器会使排气管中气流阻力增大,降低柴油发电机的有效功率,因此排气管的等级应增大一级?br />    4)发电机组振动研?br /> <a href="http://58movies.com/supply" target="_blank">柴油发电机组</a>由于机械旋转、往复机械、联动轴系、管道振动等相关振源。在无法自行改造设计的前提下,尽量做到以下2点:1)增加机组的重量(如:加厚机架),在机底座处设防振;2)多增加机组支撑点?br /> <br /> <b>   </b><b>附:消声器降?/b><br />88福彩    消声器对柴油机的降噪起着至关重要的作用,但是实际应用中,往往由于在确定结构尺寸时比较盲目,至使其降噪频率区域与发动机噪声极值的频率区域存在比较大的差别,消音器的降噪因此无法达到理想的效果?/span> </p> <p style="background-color:white;" class="MsoNormal" align="left"> <span style="font-size:12pt;">  建议选购机组请先与我<a href="http://58movies.com/" target="_blank">沈阳德尼斯机电设备有限公?/a>的技术人员沟通一下,我们会根据您的具体情况提出最有利于您的建议。帮您买到最合适的机组?span style="color:#e53333;">免费</span><span style="color:#e53333;">咨询电话</span><span 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