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class="warp"> <h2>¼›Õd¿ƒé£Žæœºèµ„æ–™<br><span>Centrifugal fan</span></h2> </div> <dl class="left_nav"> <dt class="currclass"><a href="/html/list_1606.html">风机知识</a></dt> <dt><a href="/html/list_1607.html">风机资讯</a></dt> </dl> <ul class="list_left_btn"> <li><a href="http://www.live0769.com/html/list_1600.html"><img src="/images/btn_products.jpg" alt="产品中心"></a></li> <li><a href="http://www.live0769.com/html/list_1605.html"><img src="/images/btn_contact.jpg" alt="联系我们"></a></li> </ul> </div> <div class="c_r"> <div class="pos2"> <p>您当前位¾|®ï¼š<a href="/" target="_blank">周口市通用鼓风机有限公å?/a> >> <a href="/html/list_1601.html" target="_blank">新闻资讯</a> >> <a href="/html/list_1606.html" target="_blank">风机知识</a> >> ‹¹è§ˆç›¸å…³èµ„讯</p> </div> <h1 class="dis_title">¼›Õd¿ƒé£Žæœºå™ªå£°æºåŠå™ªå£°æŽ§åˆ¶æ–ÒŽ³•</h1> <div class="dis_time"><span>来源:周口市通用鼓风机有限公å?</span><span>发布日期:2022òq?8æœ?9æ—? </span><span>点击敎ͼš<Script Language="Javascript" 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2em; text-indent: 2em;"> <span style="font-family: å¾®èÊY雅黑, "Microsoft YaHei"; font-size: 16px;">一、离心风机噪声源</span></p> <p style="margin: 5px 0px 10px; line-height: 2em; text-indent: 2em;"> <span style="font-family: å¾®èÊY雅黑, "Microsoft YaHei"; font-size: 16px;">1. 气动噪声</span></p> <p style="margin: 5px 0px 10px; line-height: 2em; text-indent: 2em;"> <span style="font-family: å¾®èÊY雅黑, "Microsoft YaHei"; font-size: 16px;">½Iºæ°”动力噪声是指气流内部˜qåŠ¨æˆ–物体相互作用äñ”生的不同波长和强度的声音。按物理现象可分为旋转噪声、涡‹¹å™ªå£°å’ŒåŽ‹åŠ›è„‰åŠ¨å™ªå£°ä¸‰ç§ã€‚离心风机的噪声源主要是涡流噪声ã€?/span></p> <p style="margin: 5px 0px 10px; line-height: 2em; text-indent: 2em;"> <span style="font-family: å¾®èÊY雅黑, "Microsoft YaHei"; font-size: 16px;">涡流噪声又称湍流噪声åQŒæ˜¯æŒ‡ç¦»å¿ƒé£Žæœºåœ¨å†…部˜qè¡Œ˜q‡ç¨‹ä¸­ï¼Œæ°”流的涡‹¹äñ”生的噪声。当气流在风扇叶片的路径中分裂或当气‹¹é‡åˆ°ç©¿˜q‡æœº½Ž±å†…部的障碍物时åQŒå°±ä¼šäñ”生涡‹¹ã€‚涡‹¹å™ªå£°çš„强度与气‹¹é€Ÿåº¦çš„å…«‹Æ¡æ–¹æˆæ­£æ¯”ã€?/span></p> <p style="margin: 5px 0px 10px; line-height: 2em; text-indent: 2em;"> <span style="font-family: å¾®èÊY雅黑, "Microsoft YaHei"; font-size: 16px;">2.机械噪音</span></p> <p style="margin: 5px 0px 10px; line-height: 2em; text-indent: 2em;"> <span style="font-family: å¾®èÊY雅黑, "Microsoft YaHei"; font-size: 16px;">产生机械噪声的主要原因是¼›Õd¿ƒé£Žæœºæœºå£³è½´æ‰¿½{‰éƒ¨ä»¶åœ¨˜qè¡Œ˜q‡ç¨‹ä¸­å› æŒ¯åŠ¨äº§ç”Ÿçš„摩擦冲å‡Õd’ŒæŒ¯åŠ¨æ‰€å½¢æˆçš„噪声。机械噪声通常以高频和中频ä¸ÞZ¸»ã€?/span></p> <p style="margin: 5px 0px 10px; line-height: 2em; text-indent: 2em;"> <span style="font-family: å¾®èÊY雅黑, "Microsoft YaHei"; font-size: 16px;">3、电动机噪音</span></p> <p style="margin: 5px 0px 10px; line-height: 2em; text-indent: 2em;"> <span style="font-family: å¾®èÊY雅黑, "Microsoft YaHei"; font-size: 16px;">甉|œºæ˜¯ç¦»å¿ƒé£Žæœºçš„动力源,也是每台风机不可¾~ºå°‘的组成部分。由于其¾l“构和功能,在运行过½E‹ä¸­ä¸å¯é¿å…åœîC¼šäº§ç”Ÿå™ªéŸ³ã€?/span></p> <p style="margin: 5px 0px 10px; line-height: 2em; text-indent: 2em;"> <span style="font-family: å¾®èÊY雅黑, "Microsoft YaHei"; font-size: 16px;">二、离心风机噪éŸÏxŽ§åˆ¶æ–¹æ³?/span></p> <p style="margin: 5px 0px 10px; line-height: 2em; text-indent: 2em;"> <span style="font-family: å¾®èÊY雅黑, "Microsoft YaHei"; font-size: 16px;">1. 减少噪音æº?/span></p> <p style="margin: 5px 0px 10px; line-height: 2em; text-indent: 2em;"> <span style="font-family: å¾®èÊY雅黑, "Microsoft YaHei"; font-size: 16px;">˜q™æ˜¯ä¸€¿Uè¾ƒä¸ºç›´æŽ¥æœ‰æ•ˆçš„噪声控制æ–ÒŽ³•åQŒä½†éš‘Öº¦è¾ƒå¤§ã€‚如果要降低噪声源,则与¼›Õd¿ƒé£Žæœºåž‹çº¿è®¾è®¡ã€åŠ å·¥ç²¾åº¦ã€å¶è½®è{速、风量和压力有关ã€?/span></p> <p style="margin: 5px 0px 10px; line-height: 2em; text-indent: 2em;"> <span style="font-family: å¾®èÊY雅黑, "Microsoft YaHei"; font-size: 16px;">2、控制噪å£îC¼ æ’­çš„形式ã€?/span></p> <p style="margin: 5px 0px 10px; line-height: 2em; text-indent: 2em;"> <span style="font-family: å¾®èÊY雅黑, "Microsoft YaHei"; font-size: 16px;">˜q™ç§æ–ÒŽ³•ä¸»è¦æ˜¯é€šè¿‡éš”离噪声来降低噪声对环境和äh员的影响。最常用的是消音器和隔音½Ž±ã€‚通常在离心风机的˜q›å‡ºå£å®‰è£…消韛_™¨åQŒä»¥æ¶ˆé™¤é£Žæœº˜q›å‡ºå£ä¸Ž½Ž¡é“之间的气动噪声。隔音箱是将风扇和噪声源密封在一个狭ž®çš„½Iºé—´å†…,使其与周围环境隔¼›…R€?/span></p> <p style="margin: 5px 0px 10px; line-height: 2em; text-indent: 2em;"> <span 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