<晴风村n style="box-sizing: border-box; font-size: 16px; font-family: 宋体;"><晴风村n style="box-sizing: border-box; font-family: Calibri;">1.晴风村n>泵本身效率是根本的影响。同样工作条件下的泵,效率可能相差<晴风村n style="box-sizing: border-box; font-family: Calibri;">15晴风村n>%以上。晴风村n>
<晴风村n style="box-sizing: border-box; font-size: 16px;"><晴风村n style="box-sizing: border-box; font-family: 宋体;"><晴风村n style="box-sizing: border-box; font-family: Calibri;">2.晴风村n>离心泵的运行工况低于泵的额定工况,晴风村n><晴风村n style="box-sizing: border-box; font-weight: 700;"><晴风村n style="box-sizing: border-box; font-family: 宋体;">化工晴风村n>晴风村n><晴风村n style="box-sizing: border-box; font-weight: 700;"><晴风村n style="box-sizing: border-box; font-family: 宋体;">泵晴风村n>晴风村n><晴风村n style="box-sizing: border-box; font-family: 宋体;">的效率低,耗能高。晴风村n>晴风村n>
<晴风村n style="box-sizing: border-box; font-size: 16px; font-family: 宋体;"><晴风村n style="box-sizing: border-box; font-family: Calibri;">3.晴风村n>电机效率在运用中基本保持不变。因此选择一台高效率电机致关重要。晴风村n>
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<晴风村n style="box-sizing: border-box; font-size: 16px; font-family: 宋体;"><晴风村n style="box-sizing: border-box; font-family: Calibri;">4.晴风村n>机械效率的影响主要与设计及制造质量有关。泵选定后,后期管理影响较小。晴风村n>
<晴风村n style="box-sizing: border-box; font-size: 16px; font-family: 宋体;"><晴风村n style="box-sizing: border-box; font-family: Calibri;">5.晴风村n>水力损失包括水力摩擦和局部阻力损失。泵运行一定时间后,不可避免地造成叶轮及导叶等部件表面磨损,水力损失增大,水力效率降低。晴风村n>
<晴风村n style="box-sizing: border-box; font-size: 16px;"><晴风村n style="box-sizing: border-box; font-family: Calibri;">6.晴风村n><晴风村n style="box-sizing: border-box; font-weight: 700;"><晴风村n style="box-sizing: border-box; font-family: 宋体;">化工离心晴风村n>晴风村n><晴风村n style="box-sizing: border-box; font-weight: 700;"><晴风村n style="box-sizing: border-box; font-family: 宋体;">泵晴风村n>晴风村n><晴风村n style="box-sizing: border-box; font-family: 宋体;">的容积损失又称泄漏损失,包括叶轮密封环、级间、轴向力平衡机构三种泄漏损失。容积效率的高低不仅与设计制造有关,更与后期管理有关。泵连续运行一定时间后,由于各部件之间摩擦,间隙增大,容积效率降低。晴风村n>晴风村n>
<晴风村n style="box-sizing: border-box; font-size: 16px; font-family: 宋体;"><晴风村n style="box-sizing: border-box; font-family: Calibri;">7.晴风村n>由于过滤缸堵塞、管线进气等原因造成离心泵抽空及空转。晴风村n>
<晴风村n style="box-sizing: border-box; font-size: 16px;"><晴风村n style="box-sizing: border-box; font-family: Calibri;">8.晴风村n><晴风村n style="box-sizing: border-box; font-weight: 700;"><晴风村n style="box-sizing: border-box; font-family: 宋体;">化工离心晴风村n>晴风村n><晴风村n style="box-sizing: border-box; font-weight: 700;"><晴风村n style="box-sizing: border-box; font-family: 宋体;">泵晴风村n>晴风村n><晴风村n style="box-sizing: border-box; font-family: 宋体;">启动前,员工不注重晴风村n>晴风村n><晴风村n style="box-sizing: border-box;"><晴风村n style="box-sizing: border-box; font-weight: 700;"><晴风村n style="box-sizing: border-box; font-family: 宋体;">离心泵晴风村n>晴风村n>晴风村n><晴风村n style="box-sizing: border-box; font-family: 宋体; font-size: 16px;">启动前的准备工作,暖泵、盘泵、灌注泵等基本操作规程执行不彻底,经常造成泵的气蚀现象,引起泵噪声大、振动大、泵效低。晴风村n>
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