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<li><a href="/html/list_1605.html" >联系方式</a></li> </ul> </div> </div> </div> <div id="banner_inner"> <div > </div> </div> <div class="warp clearfix"> <div class="c_l"> <div class="warp"> <h2>离心风机资料<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.irengdop.com/html/list_1600.html"><img src="/images/btn_products.jpg" alt="产品中心"></a></li> <li><a href="http://www.irengdop.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>您当前位置:<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> >> 浏览相关资讯</p> </div> <h1 class="dis_title">离心引风机的联合运行的原因与方式</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:2022å¹?2æœ?6æ—? </span><span>点击数:<Script Language="Javascript" Src="/item/GetHits.asp?Action=Count&GetFlag=0&m=1&ID=2983"></Script> </span></div> <div class="dis_intro">近几年来,由于环保政策的推行,在锅炉、窑炉、废气处理等行业中,都增加了各种环保设备,例如脱硫塔,净化塔等等,这些环保设备都或大或小增加了管网阻åŠ? </div> <div class="dis_content"> <div id="MyContent"><p style="margin: 5px 0px 10px; line-height: 2em; text-indent: 2em;"> <span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px; text-indent: 2em;">近几年来,由于环保政策的推行,在锅炉、窑炉、废气处理等行业中,都增加了各种环保设备,例如脱硫塔,净化塔等等,这些环保设备都或大或小增加了管网阻力,导致原先的引风机因风压较低无法克服管网阻力,引风量变小,从而无法继续使用,这种情况下,便涉及到引风机的改造问题,一般分为两种,一种是更换新风机,替换掉原先的引风机,另一种是增加一台增压风机,这边是风机的联合运行的原因之一。另外一种原因是,扩大产能的需要,例如很多客户是增加了生产线,但主管道只有一条,这种情况便要并联一台风机增加引风量ã€?/span></p> <p style="margin: 5px 0px 10px; line-height: 2em; text-indent: 2em; text-align: center;"> <img alt="离心引风æœ? src="/UploadFiles/2022-12/2/2022121610414499670.jpg" style="border-width: 0px; border-style: solid;" /></p> <p style="margin: 5px 0px 10px; line-height: 2em; text-indent: 2em;"> <span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;">以上两种情况一种是串联风机。一种是并联风机,这便是引风机联合运行的两种方式。前者是为了增大风压,后者是为了增大风量,但无论哪种方式,都要将风机的性能曲线和管网阻力曲线绘制在同一坐标上,进行分析与比较,方可确定方案是否可行,较为简便的方式是串联或并联同型号的多台风机,以两台为例,串联情况下,引风机风量不变,风压接近单台的两倍,以Y4-73 14D 220KW(单一工况点)为例,额定风é‡?20740m³/h,全åŽ?864pa,那么两台串联时,风量仍约为120740m³/h,全压接è¿?700pa;并联情况下,风机风压不变,风量接近单台的两倍,仍以上述风机型号为例,风量约ä¸?41000m³/h,全压为3864paã€?/span></p> <p style="margin: 5px 0px 10px; line-height: 2em; text-indent: 2em;"> <span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;">引风机联合运行时,会有多种情况导致实际参数与偏离理论计算数据,例如,当介质温度为高温气体,管道较长且没有保温时,两台风机的距离若较远,导致两台引风机的介质温度不同,会导致风压升高,流量下降,当管道的直径、长度、弯头数量不同时,也会导致管道出口的风量或压头不同,这些情况在实际应用时常见但难以避免,但对联合运行的最终参数有较大影响,应引起足够的重视ã€?/span></p> <p style="margin: 5px 0px 10px; line-height: 2em; text-indent: 2em;"> <font face="微软雅黑, sans-serif"><span style="font-family: 微软雅黑, "Microsoft YaHei"; font-size: 16px;">相关阅读ï¼?/span></font></p> <p style="margin: 5px 0px 10px; 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