?!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 氟塑料磁力泵的故障原因及解决方法-水泵常见问题-上海上久泵业制造有限公?/title> <link href="../style/css.css" rel="stylesheet" type="text/css" /> <meta name="keywords" content="氟塑料磁力泵,氟塑料磁力泵故障,上海磁力? /> <meta name="description" content="氟塑料磁力泵工作原理:氟塑料磁力泵由泵、磁力传动器、电动机三部分组成。关键部件磁力传动器由外磁转子、内磁转子及不导磁的隔离套组成? /> <script language="javascript" type="text/javascript" src="../js/shoppic.js"></script> <script src="../JQuery/jquery-1.4.2.min.js"></script> <script src="../js/AnthorSearch.js"></script> <script src="js/jquery.LoadImage.js"></script> <script> $(function() { var imgs=$(".zw_txt").find("img"); for(var i=0;i<imgs.size();i++) { if($(imgs[i]).width()>500) { $(imgs[i]).width(500); // $(imgs[i]).LoadImage(true,500,500); } } } ) </script> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> </head> <body> <div 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style="font-size:small;">氟塑料磁力泵工作原理:氟塑料磁力泵由泵、磁力传动器、电动机三部分组成。关键部件磁力传动器由外磁转子、内磁转子及不导磁的隔离套组成。当电动机带动外磁转子旋转时,磁场能穿透空气隙和非磁性物质,带动与叶轮相连的内磁转子作同步旋转,实现动力的无接触传递,将动密封转化为静密封。由于泵轴、内磁转子被泵体、隔离套完全封闭,从而彻底解决了“跑、冒、滴、漏”问题,消除了炼油化工行业易燃、易爆、有毒、有害介质通过泵密封泄漏的安全隐患,有力地保证了职工的身心健康和安全生产?/span></span></p> <p style="margin:0pt;" class="MsoNormal"><span lang="EN-US"><br /> <span style="mso-spacerun:yes;"><span style="font-family:Times New Roman;font-size:small;">    </span></span></span><span style="font-family:宋体;mso-ascii-font-family:Times New Roman;mso-hansi-font-family:Times New Roman;"><span style="font-size:small;">氟塑料磁力泵是应用现代磁力学原理,利用永磁体实现无接触间接传动的一种化工流程泵。当电机带动外转子总成旋转时,通过磁场的作用磁力线穿过隔离套带动内转子(即内磁钢)总成和叶轮同步旋转,介质完全封闭在静止的隔离套内,从而达到无泄漏抽送介质的目的,彻底解决了机械传动泵的轴封泄漏,是全密封、无泄漏、无污染的新型工业泵。氟塑料磁力泵是化工流程中杜绝跑、冒、滴、漏现象,消除环境污染,创造“无泄漏车间”、“无泄漏工厂”,实现安全、文明生产的理想用泵?/span></span><span lang="EN-US"><br /> </span><span style="font-family:宋体;mso-ascii-font-family:Times New Roman;mso-hansi-font-family:Times New Roman;"><span style="font-size:small;">  </span></span><span lang="EN-US"><br /> </span><span style="font-size:small;"><span style="font-family:宋体;mso-ascii-font-family:Times New Roman;mso-hansi-font-family:Times New Roman;">  产品特点:氟塑料磁力泵的设计不仅具有普通磁力泵的结构紧凑,外型美观,体积小,躁声低,运行可靠等优点,且其过流部件全部采用目前世界上耐腐蚀性能最优秀“塑料王?/span><span lang="EN-US"><span style="font-family:Times New Roman;">(</span></span><span style="font-family:宋体;mso-ascii-font-family:Times New Roman;mso-hansi-font-family:Times New Roman;">氟塑?/span><span lang="EN-US"><span style="font-family:Times New Roman;">)</span></span><span style="font-family:宋体;mso-ascii-font-family:Times New Roman;mso-hansi-font-family:Times New Roman;">制造,隔离套采用特殊材料制造,具有高强度的力学性能,消除了普通磁力泵存在的磁涡流现象。因此,氟塑料磁力泵可输送任意浓(强)度的酸、碱、氧化剂等腐蚀性介质而毫不受损?/span></span><span lang="EN-US"><br /> </span><span style="font-family:宋体;mso-ascii-font-family:Times New Roman;mso-hansi-font-family:Times New Roman;"><span style="font-size:small;">  </span></span><span lang="EN-US"><br /> </span><span style="font-family:宋体;mso-ascii-font-family:Times New Roman;mso-hansi-font-family:Times New Roman;"><span style="font-size:small;">  如果磁力泵遇到问题怎么办?</span></span><span lang="EN-US"><br /> </span><span style="font-family:宋体;mso-ascii-font-family:Times New Roman;mso-hansi-font-family:Times New Roman;"><span style="font-size:small;">  以下就是解决方案?/span></span><span lang="EN-US"><br /> </span><span style="font-size:small;"><span style="font-family:宋体;mso-ascii-font-family:Times New Roman;mso-hansi-font-family:Times New Roman;">  </span><span lang="EN-US"><span style="font-family:Times New Roman;">(1)</span></span><span style="font-family:宋体;mso-ascii-font-family:Times New Roman;mso-hansi-font-family:Times New Roman;">磁力泵轴折断?/span><span lang="EN-US"><span style="font-family:Times New Roman;">CQB</span></span><span style="font-family:宋体;mso-ascii-font-family:Times New Roman;mso-hansi-font-family:Times New Roman;">型磁力泵的泵轴采用的材料?/span><span lang="EN-US"><span style="font-family:Times New Roman;">99%</span></span><span style="font-family:宋体;mso-ascii-font-family:Times New Roman;mso-hansi-font-family:Times New Roman;">的氧化铝瓷,泵轴折断的主要原因是,因为泵空运转,轴承干磨而将轴扭断。拆开泵检查时可看到轴承已磨损严重预防泵折断的主要办法是避免泵的空运转?/span></span><span lang="EN-US"><br /> </span><span style="font-size:small;"><span style="font-family:宋体;mso-ascii-font-family:Times New Roman;mso-hansi-font-family:Times New Roman;">  </span><span lang="EN-US"><span style="font-family:Times New Roman;">(2)</span></span><span style="font-family:宋体;mso-ascii-font-family:Times New Roman;mso-hansi-font-family:Times New Roman;">磁力泵轴承损坏?/span><span lang="EN-US"><span style="font-family:Times New Roman;">CQB</span></span><span style="font-family:宋体;mso-ascii-font-family:Times New Roman;mso-hansi-font-family:Times New Roman;">磁力泵的轴承采用的材料是高密度碳,如遇泵断水或泵内有杂质,就会造成轴承的损坏。圆筒形联轴器内外磁转子间的同轴度要求若得不到保证,也会直接影响轴承的寿命?/span></span><span lang="EN-US"><br /> </span><span style="font-size:small;"><span style="font-family:宋体;mso-ascii-font-family:Times New Roman;mso-hansi-font-family:Times New Roman;">  </span><span lang="EN-US"><span style="font-family:Times New Roman;">(3)</span></span><span style="font-family:宋体;mso-ascii-font-family:Times New Roman;mso-hansi-font-family:Times New Roman;">磁力泵打不出液体。磁力泵打不出液体是泵最易出现的故障,其原因也较多。首先应检查泵的吸入管路是否有漏气的地方,检查吸入管内空气是否排出,磁力泵内灌注的液体量是否足够,吸人管内是否有杂物堵塞,还应查一查泵是否反转</span><span lang="EN-US"><span style="font-family:Times New Roman;">(</span></span><span style="font-family:宋体;mso-ascii-font-family:Times New Roman;mso-hansi-font-family:Times New Roman;">尤其是在换过电机后或供电线路检修过?/span><span lang="EN-US"><span style="font-family:Times New Roman;">)</span></span><span style="font-family:宋体;mso-ascii-font-family:Times New Roman;mso-hansi-font-family:Times New Roman;">,还应注意泵的吸上高度是否太高。通过以上检查若仍不能解决,可将泵拆开检查,看泵轴是否折断,还应检查泵的动环、静环是否完好,整个转子可否少量轴向移动。若轴向移动困难,可检查炭轴承是否与泵轴结合的过于紧密?/span></span><span lang="EN-US"><br /> </span><span style="font-family:宋体;mso-ascii-font-family:Times New Roman;mso-hansi-font-family:Times New Roman;"><span style="font-size:small;">  值得注意的是,磁力泵修了几遍查不出问题,应注意磁联轴器的工作是否正常。轴承、内磁转子和隔套在运行中都会产生热量,这将使工作温度升高,一方面使传递的功率下降,另一方面对输送易汽化液体的磁力泵会产生很大的麻烦。磁钢传递的功率随温度的升高是一条连续下降的曲线,通常,在磁钢工作极限温度以下,其传递能力的下降是可逆的,而在极限温度以上则是不可逆的,即磁钢冷却后,丧失的传递能力再也不能恢复?/span></span><span lang="EN-US"><br /> </span><span style="font-size:small;"><span style="font-family:宋体;mso-ascii-font-family:Times New Roman;mso-hansi-font-family:Times New Roman;">  特殊情况下在磁力联轴器出现滑?/span><span lang="EN-US"><span style="font-family:Times New Roman;">(</span></span><span style="font-family:宋体;mso-ascii-font-family:Times New Roman;mso-hansi-font-family:Times New Roman;">失步</span><span lang="EN-US"><span style="font-family:Times New Roman;">)</span></span><span style="font-family:宋体;mso-ascii-font-family:Times New Roman;mso-hansi-font-family:Times New Roman;">时,隔套中的涡流热量会急剧增长,温度急剧上升,如不及时处理,会引起磁钢退磁,使磁力联轴器失效?/span></span><span lang="EN-US"><br /> </span><span style="font-family:宋体;mso-ascii-font-family:Times New Roman;mso-hansi-font-family:Times New Roman;"><span style="font-size:small;">  因此磁力泵应设计可靠的冷却系统。对不易汽化的介质,冷却循环系统一般由叶轮出口或泵出口引出液流,经轴承和磁传动部分回到吸人口,对易汽化的介质,应增加换热器或将液流引到泵外的贮罐,避免热量回到吸人口,对有固体杂质或铁磁性杂质的介质,应考虑过滤,对高温介质,则应考虑冷却,以保证磁力联轴器不超过工作极限温度。  </span></span><span lang="EN-US"><br /> </span><span style="font-family:宋体;mso-ascii-font-family:Times New Roman;mso-hansi-font-family:Times New Roman;"><span style="font-size:small;">  在考虑转速是否够时,先要检查电机本身的转速是否正常,可用转速计进行测量,在电机转速正常的情况下,可考虑是否会出现磁力联轴器的滑脱?/span></span><span lang="EN-US"><br /> </span><span style="font-size:small;"><span style="font-family:宋体;mso-ascii-font-family:Times New Roman;mso-hansi-font-family:Times New Roman;">  </span><span lang="EN-US"><span style="font-family:Times New Roman;">(4)</span></span><span style="font-family:宋体;mso-ascii-font-family:Times New Roman;mso-hansi-font-family:Times New Roman;">扬程不足。造成这种故障的原因有</span><span lang="EN-US"><span style="font-family:Times New Roman;">:</span></span><span style="font-family:宋体;mso-ascii-font-family:Times New Roman;mso-hansi-font-family:Times New Roman;">输送介质内有空气,叶轮损坏,转速不够,输送液体的比重过大,流量过大?/span></span><span lang="EN-US"><br /> </span><span style="font-size:small;"><span style="font-family:宋体;mso-ascii-font-family:Times New Roman;mso-hansi-font-family:Times New Roman;">  </span><span lang="EN-US"><span style="font-family:Times New Roman;">(5)</span></span><span style="font-family:宋体;mso-ascii-font-family:Times New Roman;mso-hansi-font-family:Times New Roman;">流量不足。造成流量不足的主要原因有</span><span lang="EN-US"><span style="font-family:Times New Roman;">:</span></span><span style="font-family:宋体;mso-ascii-font-family:Times New Roman;mso-hansi-font-family:Times New Roman;">叶轮损坏,转速不够,扬程过高,管内有杂物堵塞等?/span></span></p> <div class="xgxx"> <ul class="xg_bt"> 相关问题:</ul> <ul class="xg_txt"> <li><a href="/problemshow/2011082901.htm" target="_blank">离心泵的常见故障及解决方?/a></li><li><a href="/problemshow/2011092203.htm" target="_blank">D型、DG型卧式多级泵结构说明</a></li><li><a href="/problemshow/2011111001.htm" 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