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class="guanzhu gz-btn"><a href="javascript:void(0);" target="_parent" onclick="OpFollowMTSPUser()"></a></span> <span class="sc-btn shoucang"><a onclick="OpCollect()" target="_parent"></a></span> </div> <input type='hidden' id="CurrUserID" value="565923"> <input type='hidden' id="CurrCompanyID" value="556422"> <input type='hidden' id="CurrMTSPUserID" value="472002"> <input type='hidden' id="OpCollect_Title" value="水泵毛病的详细剖析办法"> <input type='hidden' id="OpCollect_OpareteType" value="1"> <input type='hidden' id="OpCollect_ObjectID" value="472002"> <input type='hidden' id="OpCollect_ObjectType" value="13"> <input type='hidden' id="OpCollect_PictureUrl" value=""> <script type="text/javascript" src="/js/Common.js" ></script> <script type="text/javascript" >IsExitMTSPFollow()</script> </div> <div class="newsContent"> <p><strong><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　水泵毛病的详细剖析办法（二）</span></strong><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　九、水泵毛病确诊及消除办法</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　在检修进程中，水泵毛病的确诊是一个要害的环节，以下给出几种常见毛病及消除办法，供大家有的放矢地进行水泵毛病的确诊。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　1、无液体供给，供应液体缺乏或压力缺乏</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　(1)水泵没有注水或没有恰当排气</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：查看泵壳和进口管线是否悉数注满了液体。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　2)水泵速度太低</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：查看电机的接线是否正确，电压是否正常或许透平的蒸汽压力是否正常。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　3)水泵体系水头太高</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：查看体系的水头(特别是磨擦丢失)。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　4)水泵吸程太高</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：查看现有的净压头(进口管线太小或太长会形成很大的磨擦丢失)。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　5)水泵叶轮或管线受堵</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：查看有无障碍物。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　6)水泵滚动方向不对</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：查看滚动方向。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　7)水泵发作空气或进口管线有走漏</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：查看进口管线有无气穴和／或空气走漏。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　8)水泵填料函中的填料或密封磨损，使空气漏入泵壳中</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：查看填料或密封并按需求替换，查看光滑是否正常。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　9)水泵抽送热的或挥发性液体时吸入水头缺乏</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：增大吸入水头，向厂家咨询。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　10水泵)底阀太小</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：装置正确尺度的底阀。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　11)水泵底阀或进口管浸没深度不行</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：向厂家咨询正确的浸没深度。用挡板消除涡流。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　12)水泵叶轮空隙太大</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：查看空隙是否正确。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　13)水泵叶轮损坏</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：查看叶轮，按要求进行替换。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　14)水泵叶轮直径太小</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：向厂家咨询正确的叶轮直径。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　15)水泵压力表方位不正确</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：查看方位是否正确，查看出口管嘴或管道。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　2、水泵作业一瞬间便停机</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　1)吸程太高</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：查看现有的净压头(进口管线太小或太长会形成很大的磨擦丢失)。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　2)叶轮或管线受堵</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：查看有无障碍物。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　3)发作空气或进口管线有走漏</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：查看进口管线有无气穴和／或空气走漏。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　4)填料函中的填料或密封磨损，使空气漏入泵壳中</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：查看填料或密封并按需求替换。查看光滑是否正常。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　5)抽送热的或挥发性液体时吸入水头缺乏</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：增大吸入水头，向厂家咨询。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　6)底阀或进口管浸没深度不行</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：向厂家咨询正确的浸没深度，用挡板消除涡流。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　7)泵壳密封垫损坏</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：查看密封垫的状况并按要求进行替换。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　3、水泵功率耗费太大</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　1)滚动方向不对</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：查看滚动方向。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　2)叶轮损坏</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：查看叶轮，按要求进行替换。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　3)滚动部件咬死</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：查看内部磨损部件的空隙是否正常。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　4)轴曲折</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：校直轴或按要求进行替换。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　5)速度太高</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：查看电机的绕组电压或输送到透平的蒸汽压力。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　6)水头低于额定值。抽送液体太多</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：向厂家咨询。装置节流阀，切开叶轮。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　7)液体重于估量值</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：查看比重和粘度。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　8)填料函没有正确填料(填料缺乏，没有正确塞入或跑合，填料太紧)</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：查看填料，从头装填填料函。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　9)轴承光滑不正确或轴承磨损</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：查看并按要求进行替换。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　10)耐磨环之间的作业空隙不正确</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：查看空隙是否正确。按要求替换泵壳和／或叶轮的耐磨环。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　11)泵壳上管道的应力太大</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：消除应力并厂家代表咨询。在消除应力后，查看对中状况。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　4、泵的填料函走漏太大</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　1)轴曲折</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：校直轴或按要求进行替换。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　2)联轴节或泵和驱动装置不对中</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：查看对中状况，如需求，从头对中。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　3)轴承光滑不正确或轴承磨损</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：查看并按要求进行替换。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　5、轴承温度太高</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　1)轴曲折</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：校直轴或按要求进行替换。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　2)联轴节或泵和驱动装置不对中</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：查看对中状况，如需求，从头对中。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　3)轴承光滑不正确或轴承磨损</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：查看并按要求进行替换。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　4)泵壳上管道的应力太大</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：消除应力并向厂家代表咨询。在消除应力后，查看对中状况。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　5)光滑剂太多</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：拆下堵头，使过多的油脂自动排出。假如是油光滑的泵，则将油排放至正确的油位。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　6、水泵填料函过热</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　1)水泵填料函中的填料或密封磨损，使空气漏入泵壳中</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：查看填料或密封并按需求替换。查看光滑是否正常。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　2)水泵填料函没有正确填料(填料缺乏，没有正确塞入或跑合，填料太紧)</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：查看填料，从头装填填料函。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　3)水泵填料或机械密封有规划问题</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：向厂家咨询。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　4)水泵机械密封损坏</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：查看并按要求进行替换。向厂家咨询。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　5)水泵轴套刮伤</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：修正、从头机加工或按要求进行替换。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　6)水泵填料太紧或机械密封没有正确调理</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：查看并调理填料，按要求进行替换。调理机械密封(参阅制作商的与水泵一起供给的阐明或向厂家咨询)。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　7、滚动部件滚动困难或有磨擦</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　1)水泵轴曲折</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：校直轴或按要求进行替换。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　2)水泵耐磨环之间的作业空隙不正确</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：查看空隙是否正确。按要求替换泵壳或叶轮的耐磨环。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　3)水泵壳上管道的应力太大</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：消除应力并厂家代表咨询。在消除应力后，查看对中状况。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　4)水泵轴或叶轮环摇摆太大</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：查看滚动部件和轴承，按要求替换磨损或损坏的部件。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　5)水泵叶轮和泵壳耐磨环之间有脏物，泵壳耐磨环中有脏物</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　消除办法：清洁和查看耐磨环，按要求进行替换。间隔并消除脏物的来历。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　修泵时简单疏忽的一个小问题</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　我要讲的是在修补后拼装时简单疏忽的一件小事。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　涡壳泵中叶轮出口中线即叶轮出口宽的中线应与涡壳进口中线对齐。假如对不齐时，应在叶轮轮彀与轴肩经过加设垫片调整。应将两中线操控在0.5毫米的规模内。关于比转数大的泵稍差些对泵的功用影响不大，关于中低比速的泵由于叶轮出口很窄，例如叶轮出口宽仅10毫米，假如与涡壳中线偏1毫米，对水泵的功用就有显着的影响。建议调整后可将两中线(叶轮及涡壳)差错操控在叶轮出口宽的5%以内为好。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　导叶多级泵也是如此，是操控叶轮出口中线与导叶进口中线的差错。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　空间导叶泵，总装图给出的数据来判定叶轮在空间导叶中的方位。假如没有图纸，或凭经历，或经过实验成果调整叶轮的方位。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　泵的汽蚀余量、吸程及各自计量单位表明字母</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　泵在作业时液体在叶轮的进口处因必定真空压力下会发作汽体，汽化的气泡在液体质点的碰击运动下，对叶轮等金属外表发作剥蚀，然后损坏叶轮等金属，此刻真空压力叫汽化压力，汽蚀余量是指在泵吸进口处单位分量液体所具有的超越汽化压力的充裕能量。单位用米标示，用(NPSH)r。吸程即为必需汽蚀余量Δh：即泵答应吸液体的真空度，亦即泵答应的装置高度，单位用米。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　水泵吸程=标准大气压(10.33米)-汽蚀余量-安全量(0.5米)</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　标准大气压能压管路真空高度10.33米。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　例如：某泵必需汽蚀余量为4.0米，求吸程Δh？</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　则：Δh的核算还要考虑汽化压力和管损</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　Δh=Pc-Pv/ρg-NPSHa-hc   米</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　讨论Δh公式</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　Δh的核算还要考虑汽化压力和管损</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　Δh=Pc-Pv/ρg-NPSHa-hc   m</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　十、水泵的选型要点</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　节选用准则</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　水泵是一种面很多广的通用型机械设备，它广泛地应用于石油、化工、电力冶金、矿山、选船、轻工、农业、民用和国防各部门，在国民经济中占有重要的方位。据79 年计算，我国泵产值达125.6万台。水泵的电能耗费占全国电能耗费的21%以上。因而大力下降泵有能源耗费，对节约能源具用非常严峻的意义。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　近年来，我们水泵职业规划研发了许多节能产品，如 QBY泵、 IHF泵、CQB泵、PF泵、FSB泵、2XZ泵、ZW泵等类型的泵类产品，对下降泵的能源耗费起了积极效果。可是现在在国民经济各个领域中，由于选型不合理，许多的泵处于不合理作业状况，作业功率低，浪费了很多能源。还有的泵由于选型不合理，底子不能运用，或许运用修补本钱添加，经济效益低。由此可见，合理选泵对节约能源相同具有重要意义。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　所谓合理选泵，就是要归纳考虑水泵机组和泵站的出资和作业费用等归纳性的技能经济指标，使之契合经济、安全、适用的准则。具体来说，有以下几个方面：</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　有必要满意运用流量和扬程的要求，即要求泵的作业工次点(装置特性曲线与水泵的功用曲线的交点)经常坚持在区间作业，这样既省动力又不易损坏机件。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　所挑选的水泵既要体积小、分量轻、造价廉价，又要具有杰出的特性和较高的功率。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　具有杰出的抗汽蚀功用，这样既能减小泵房的开挖深度，又不使水泵发作汽蚀，作业平稳、寿命长。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　按所选水泵建泵站，工程出资少，作业费用低。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><strong><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　水泵毛病的详细剖析办法（一）</span></strong><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　水泵毛病的剖析办法,水泵毛病的剖析办法</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　一、水泵不出水的原因剖析</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　进水管和泵体内有空气</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　(1)水泵发动前未灌满意够的水，有时看上去灌的水已从放气孔溢出，但未滚动泵轴交空气*排出，致使少数空气残留在进水管或泵体中。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　(2)  与水泵触摸的进水管的水平段逆水流方向应用0.5%以上的下降斜度，衔接水泵进口的一端为，不要*水平。假如向上翘起，进水管内会存留空气，下降了水管和水泵中的真空度，影响吸水。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　(3)  水泵的填料因长时间运用现已磨损或填料压得过松，形成很多的水从填料与泵轴轴套的空隙中喷出，其成果是外部的空气就从这些空隙进入水泵的内部，影响了提水。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　(4)  进水管因长时间潜在水下，管壁腐蚀呈现孔洞，水泵作业后水面不断下降，当这些孔洞显露水面后，空气就从孔洞进入民进水管。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　(5)  进水管弯管处呈现裂缝，进水管与水泵衔接处呈现细小的空隙，都有可能使空气进入进水管。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　二、水泵转速低</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　(1)  人为的要素。有部分用户因原配电机损坏，就随意配上另一台电动机带动，成果形成了流量小、扬程低乃至不上水的成果。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　(2)  水泵自身的机械毛病。叶轮与泵轴紧固螺母松脱或泵轴变形曲折，形成叶轮多移，直接与泵体磨擦，或轴承损坏，都有可能下降水泵的转速。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　(3)  动力机修补不灵。电动机因绕组烧毁，而失磁，修补中绕组匝数、线径、接线办法的改动，或修补中毛病未*扫除要素也会使水泵转速改动。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　三、水泵吸程太大</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　有些水源较深，有些水源的外围地形较平坦处，而疏忽了水泵的容许吸程，因而发作了吸水少或底子吸不上水的成果。要知道自吸离心泵吸水口处能树立的真空度是有极限的，肯定真空的吸程约为10米水柱高，而水泵不可能树立肯定的真空。而且真空度过大，易使泵内的水气化，对水泵作业晦气。所以各离心泵都有其大容许吸程，一般在3－8.5米之间。装置水泵时切不可只图便利简单。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　四、水流的进出水管中的阻力丢失过大</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　有些用户经过丈量，尽管蓄水池或水塔到水源水面的笔直距离还略小于水泵扬程，但仍是提水量小或提不上水。其原因常是管道太长、水管弯道多，水流在管道中阻力丢失过大。其原因常是管道太长、水管弯道多，水流在管道中阻力丢失过大。一般状况下90度弯管比120度弯管阻力大，每一90度弯管扬程丢践约0.5-1米，每20米管道的阻力可使扬程丢践约1 米。此外，有部分用户还随意水泵进、出管的管径，这些对扬程也有必定的影响。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　五、其它要素的影响</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　(1)  底阀打不开。通常是由于水泵放置时刻太长，底阀垫圈被粘死，无垫圈的底阀可能会锈死。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　(2)  底阀滤器网被阻塞；或底阀潜在水中污泥层中形成滤网阻塞。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　(3)  叶轮磨损严峻。叶轮叶片经长时间运用而磨损，影响了水泵功用。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　(4)  闸阀可止回阀有毛病或阻塞会形成流量减小乃至抽不上水。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　(5)  出口管道的走漏也会影响提水量。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　六、常用简易的设备毛病确诊办法</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　常用的简易状况监测办法首要有听诊法、触测法和调查法等。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　1、听诊法</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　设备正常作业时，随同发作的动态总是具有必定的乐律和节奏。只要了解和把握这些正常的乐律和节奏，经过人的听觉功用就能比照出设备是否呈现了重、杂、怪、乱的反常噪声，判别设备内部呈现的松动、碰击、不平衡等危险。用手锤敲打零件，听其是否发作决裂杂声，可判别有无裂纹发作。电子是一种振荡加速度传感器。它将设备振荡状况转换成电信号并进行扩大，工人用耳机监听作业设备的振荡动态，以完成对声响的定性丈量。经过丈量同一测点、不一起期、相同转速、相同工况下的信号，并进行比照，来判别设备是否存在毛病。当耳机呈现洪亮尖细的噪声时，阐明振荡频率较高，一般是尺度相对较小的、强度相对较高的零件发作部分缺点或细小裂纹。当耳机传出混浊消沉的噪声时，阐明振荡频率较低，一般是尺度相对较大的、强度相对较低的零件发作较大的裂纹或缺点。当耳机传出的噪声比平常增强时，阐明毛病正在开展，声响越大，毛病越严峻。当耳机传出的噪声是杂乱无规律地间歇呈现时，阐明有零件或部件发作了松动。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　2、触测法</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　用人手的触觉能够监测设备的温度、振荡及空隙的改变状况。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　人手上的神经纤维对温度比较灵敏，能够比较地分辨出80℃以内的温度。当机件温度在0℃左右时，手感冰凉，若触摸时刻较长会发作刺骨痛感。10℃左右时，手感较凉，但一般能忍耐。20℃左右时，手感稍凉，随着触摸时刻延伸，手感渐温。30℃左右时，手感微温，有舒适感。40℃左右时，手感较热，有微烫感觉。50℃左右时，手感较烫，若用掌心按的时刻较长，会有汗感。60℃左右时，手感很烫，但一般可忍耐10s 长的时刻。70℃左右时，手感烫得灼痛，一般只能忍耐3s长的时刻，而且手的触摸处会很快变红。触摸时，应试触后再细触，以估量机件的温升状况。用手晃动机件能够感觉出0.1mm-0.3mm的空隙巨细。用手触摸机件能够感觉振荡的强弱改变和是否发作冲击，以及溜板的匍匐状况。用配有外表热电偶探头的温度计丈量滚动轴承、滑动轴承、主轴箱、电动机等机件的外表温度，则具有判别热反常方位迅速、数据、触测进程便利的特色。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　3、调查法</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　人的视觉能够调查设备上的机件有无松动、裂纹及其他损害等；能够查看光滑是否正常，有无干冲突和跑、冒、滴、漏现象；能够查看油箱沉积物中金属磨粒的多少、巨细及特色，以判别相关零件的磨损状况；能够监测设备运动是否正常，有无反常现象发作；能够观看设备上装置的各种反映设备作业状况的外表，了解数据的改变状况，能够经过丈量东西和直接调查外表状况，检测产品质量，判别设备作业状况。把调查的各种信息进行归纳剖析，就能对设备是否存在毛病、毛病部位、毛病的程度及毛病的原因作出判别。经过仪器，调查从设备光滑油中收集到的磨损颗粒，完成磨损状况监测的简易办法是磁塞法。它的原理是将带有磁性的塞头刺进光滑油中，收集磨损发作出来的铁质磨粒，借助读数显微镜或许直接用人眼调查磨粒的巨细、数量和形状特色，判别机械零件外表的磨损程度。用磁塞法能够调查出机械零件磨损后期呈现的磨粒尺度较大的状况。调查时，若发现小颗磨粒且数量较少，阐明设备作业正常；若发现大颗磨粒，就要引起重视，严密留意设备作业状况；若多次接连发现大颗粒，就是行将呈现毛病的先兆，应当即停机查看，查找毛病，进行扫除。讲的很详细了，这些确诊办法需求较长时期的经历累积才能判别。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　弥补一下</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　听诊能够用改锥尖(或金属棒)对准所要确诊的部位，用手握改锥把，放耳细听。这样作能够滤掉一些杂音。温度手感判定练习：用一结点式温度计，测出金属外表的50度，60度，70度，80度几种状况，关于低温时能够用描，调查手能触摸的时刻，依据不一起刻来判定温度。对较高温度不能手摸时，能够淋少数的水滴调查水蒸腾状况，然后记住这些状况。在确诊设备时运用，能得到较为的判别。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　温度手感判定我在《现代机电设备装置调试、作业检测与毛病确诊、修补办理实务全书》书中看到过，不过我想每个人的耐受才能可能各不相同，仍是用总版主说的办法自己实践判别比较。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　七、水泵跳闸毛病扫除</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　1：毛病现象</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　发电厂125 mw机组自投产以来，水泵偶然会发作一合闸即跳闸的问题，并无任何信号继电器掉牌。在扫除了开关组织毛病后，按惯例办法查看电缆、二次回路接线和各继电器及其定值都正常，再次发动又往往成功　。后置疑是dcs体系软毛病形成的，但改在操控盘上操作，仍会呈现此现象。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　2：实验查找原因</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　为查清楚此现象的原因，调查开关合闸进程中各表计的改变状况，以确认是何原因使其跳闸。实验其中电压表监督微机跳闸回路，毫安表监督差动继电器1cj、2cj动作状况，电流表监督热工维护回路。接好表计后，发动给水泵，经过一段时刻的实验，总算有一次水泵一发动即跳闸，一起调查到毫安表的指针偏转了一下，其它监督表计没有反应，新换上的xjl-0025/31型集成块式信号继电器1xj亦动作掉牌，标明是由差动维护动作导致跳闸。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　3：本源剖析</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　差动维护动作，首先置疑被维护设备内部有毛病。经过惯例查看，水泵电机及其电缆正常，差动继电器校验正常，电流互感器极性衔接正确。在扫除设备毛病和接线过错的原因后，差动维护在电机发动进程中动作，标明在这进程中差动回路的差电流超越差动继电器整定值。正常状况下引起差动回路差电流的原因首要有两点：一是电机首尾两边的电流互感器变比差错不同，存在一个很小的差电流，这个差电流小于电机额定电流id的5%。二是首尾两边电流互感器二次负荷的不同也会引起其变比的不同，然后存在一个差电流。在水泵电机差动维护回路中的电流互感器负荷不同仅仅二次电缆长度的不同，大约相差50 m，而且在额定电流下，差动继电器的功率耗费不大于3 va，二次负载并不重。查看发现给水泵电机差动维护用的首尾侧电流互感器类型均为lmzbj-10，b级15倍额定电流，变比600/5，容量40 va，*能满意二次负载的要求。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　以上剖析是依据正常作业的条件下，在电机发动时，状况又有所不同。电机发动时电流很大，首尾两边的电流互感器可能饱满，此刻由于各电流互感器磁化特性不一致，二次差电流可能很大。依据阿城继电器厂的lcd-12型差动继电器整定阐明，继电器的动作电流整定值izd=△i1×kk×in/n=0.06×3×356/120=0.534a式中：△i1—首、尾端电流互感器正常作业时的大差错，0.04～0.06；kk—牢靠系数，2～3；in—电机额定电流；n—电流互感器变比。应整定在1.0a的方位。在运用b级互感器的状况下，差动继电器动作电流整定在1.，制动系数为0.4时，差动维护在电机发动时仍偶然会动作，是由于b级电流互感器磁化特性饱满点较低，抗饱满才能较低，不能满意差动继电器的要求。通常要求差动维护回路的电流互感器选用d级，d级互感器的饱满点高一些，没那么简单饱满，能够减小电机发动时流过差动回路的差电流。在替换为d级的电流互感器，一起把差动继电器动作电流整定在1.0a，制动系数为0.4后，再没呈现过开关一合闸即跳闸的毛病。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　八、水泵机械密封毛病处理与探讨</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　机械密封也叫端面密封，它是靠绷簧和密封介质的压力在旋转的动环和静环的触摸外表上发作恰当的压紧力，使这两个端面严密贴合。端面间坚持一层极薄的油膜，介质经过期阻力很大，阻止液体走漏，然后到达密封的意图，一起对动环和静环有光滑效果。调整得好能够*无走漏。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　1 水泵机械密封的特色</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　水泵机械密封的首要优点是密封牢靠，在一个很长运用周期中，走漏很少；效果寿命长，一般能运用5年左右；修补周期长。但机械密封结构复杂，制作与装置精度高，本钱高，对修补人员的技能要</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　求高，由于输油管道上用的机械密封都是内装式，修补机械密封时往往要把油泵进行崩溃，作业量大。因而，确保机械密封作业牢靠，延伸机械密封的运用寿命非常重要。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　2 水泵机械密封易发作的问题</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　在运用进程中，机械密封易发作的首要问题是走漏量超差和温度过高。用手触摸机械密封压盖，假如无法在上面逗留，阐明温度过高。走漏量每侧不该超越60滴／min，假如成线状流动，则阐明走漏量过大，可判定是否调查作业；假如向外喷油，则应当即停机查看。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　3 采纳的操控办法</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　3．1 确保零部件质量</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　机械密封在出厂前须做密封功用实验，并有合格证。机械密封经过长时间作业，使动环与静环磨损，绷簧与轴锈蚀磨损、密封胶圈磨损、老化、变形等，都能形成密封的走漏，有必要修补或替换新件。动环和静环的密封面不得有裂纹、掉角、划痕、麻点、飞边及偏磨，划痕、麻点不能贯穿整个密封端面。若运用修正的动态环时，动态环的凸台高度之和不少于3mm，且单个凸台高度不少于lmm，避免影响散热。动环装置后应确保能在轴上灵敏移动，将动环压向绷簧后应能自在弹回，坚持动态环的笔直和平行。动态环密封胶圈的规格契合图纸规则，外表不得有破损、厚薄不均及软硬不均现象，在大修时要替换密封胶圈。绷簧的外外表清洁无锈蚀，在运用前应进行长度外形检测和压力实验，每组绷簧在规则紧缩长度的压力差应契合要求，每组绷簧在规则紧缩长度的压力差错契合要求。自在长度允差不超越0．5mm，紧缩量不能过大过小，要求差错±2mm。密封套与泵轴不能选用同一种材质，两边端面的平行度允差及与轴线的不笔直度允差不超越±0．20mm。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　3．2 确保有充沛的冷却光滑</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　调整冷却管路调理阀开度，要确保机械密封冷却管路晓畅，罐水泵时打开排空阀要排净密封腔内气体。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　3．3 确保装置精度</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　拆装水泵机械密封时，动态环要清洗洁净，并在冲突副面上涂改少数清洁的光滑油，要统筹高压端和低压端，严禁磕碰。静环压盖装置时用力要均匀，避免压偏，用塞尺查看，上下左右方位的误差不大于0．05mm；查看压盖与轴外径的配合空隙，四周要均匀，各点答应误差不大于0．1ram。装置水泵机械密封部位的泵轴的径向跳动不超越0．05mm。把和泵盖和密封端盖之前，要仔细复核机械密封的装置定位尺度，假如定位尺度不契合要求，可在轴套间用钢垫调整，但钢垫精度要高，厚度差不超越0．01mm。丈量机械密封套的径向跳动和密封面的端面跳动契合要求。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　对作业过的机械密封，凡有压盖松动使密封面发作移动的状况，则动态环零件有必要替换，肯定不该从头上紧继续运用。由于在这样松动后，冲突副原来的运动轨道就会发作变化，触摸面的密封功用就很简单遭到损坏。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　4．4 调整端面比压</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; font-size:13.3333px">　　端面比压是关系到密封功用及运用寿命的重要参数，它与密封的结构型式、绷簧巨细和介质压力有关。端面比压过大将加坏冲突副；比压过小则易走漏，往往由厂家给定一个适合的规模，端面比压一般取3～6kg／cm2。调整比压就是调整绷簧的紧缩尺度。绷簧的自在长度用A 表明，绷簧刚度发作单位紧缩量时接受的载荷为k，规则要求的比压用P表明，这些都是厂家给定的参数。紧缩后尺度用B表明，则P／A-13=k，得出13=A-e／k，这就是绷簧装置紧缩后的尺度。假如绷簧装置后的尺度过大，可在绷簧座与绷簧之间添加调整垫的厚度，尺度过小则减少调整的厚度，调整垫的厚度用千分尺量取。</span><br /><span style="color:rgb(0, 0, 0); font-family:sans serif,tahoma,verdana,helvetica; 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