泵选用原詠E/title> <meta name="keywords" content="泵选用原詠E机械知识,中国机械蛠E> <meta name="description" content="泵选用原詠E机械知识,中国机械蛠E> <body>  <table width="756" border="0" align="center" cellpadding="0" cellspacing="0"> <tr> <td width="548" rowspan="2" valign="top" style="border:1px solid #E0CBA7"> <table width="90%" border="0" align="center" cellpadding="0" cellspacing="0"> <tr> <td height="13" class="td_b2" align="center">泵选用原詠E/td> <br> </tr> <tr> <td height="14" class="td_b2"><hr align="center" size="2" color="#666666"></td> </tr> <tr> <td align="center" valign="top"> <table width="95%" height="92" align="center" cellpadding="0" cellspacing="0"> <tr> <td height="25" class="LL"><span id="fp"><P>泵选用原詠E/P><br /> <P> 第一节选用原詠Ebr /> </P><br /> <P> 絹E丒矗颐潜眯幸瞪杓蒲兄屏诵喔咝Ы谀懿罚丒IHF、CQB、FSB、UHB等型号的泵类产品，对降低泵的能源消耗起了积极作用。但是目前在国民经济各个羴E蛑校捎谘⌒?不合历楷喧亦的泵处于不合历鹚行状况，运行效率低，浪费了大量能源。还有的泵由于选型不合历楷根本不能使用，或者使用维修成本增加，经济效益低。由此可见，合历怼泵对节约能源同样具有重要意义。</P><br /> <P> 所谓合历怼泵，就是要综合考虑泵机组和泵站的投资和运行费用等综合性的技术经济指标，使之符合经济、安全、适用的原则。具体来说，有以下几个方面：</P><br /> <P> 1、必衼E闶褂昧髁亢脱丒痰囊螅匆蟊玫脑诵泄ご蔚悖ㄗ爸锰匦郧?觼E玫男阅芮叩慕坏悖┚１３衷诟咝湓诵校庋仁《τ植灰姿鸹祷?/P><br /> <P> 2、所选择的水泵既要体积小、重量轻、詠E郾阋耍忠哂辛己玫奶匦院徒细叩男省?/P><br /> <P> 3、具有良好的抗汽蚀性能，这样既能减小泵房的开挖甥胰，又不使水泵发生汽蚀，运行平稳、寿脕Eぁ?/P><br /> <P> 4、按所选水泵建泵站，工程投资少，运行费用低。</P><br /> <P> 第二节选型步謥E/P><br /> <P> 一、列出基本数据：</P><br /> <P> 1、介质的特性：介质名称、比重、粘度、腐蚀性、毒性等。</P><br /> <P> 2、介质中所含因体的颗粒直径、含量多少。</P><br /> <P> 3、介质温度：（℃）</P><br /> <P> 4、所需要的流量</P><br /> <P> 一般工业用泵在工艺流程中可以忽略管道系统中的泄漏量，但必衼E悸枪ひ毡浠倍粤髁康挠跋丒Ｅ┮涤帽萌绻遣捎妹髑渌贡匦丒悸巧┘罢舴⒘俊?/P><br /> <P> 5、压力：蝸E匮沽Γ潘匮沽Γ艿老低持械难沽担ㄑ丒趟鹗В?/P><br /> <P> 6、管道系统数据（管径、长度、管道附件种类及数目，蝸E刂裂顾氐募负伪丒叩龋?/P><br /> <P> 如果需要的话还应作出装置特性曲线。</P><br /> <P> 在设计布置管道时，应注意如下事消亢</P><br /> <P> A、合历怼择管道直径，管道直径大，在相同流量下、液流速度小，阻力损失小，但价格高，管道直径小，会导致阻力损失急剧增大，使所选泵的褋E淘黾樱浯β试黾樱杀竞驮诵蟹延枚荚黾印Ｒ虼擞Υ蛹际鹾途玫慕嵌茸酆峡悸恰?/P><br /> </span></td> </tr> </table> <br> <table width="98%" border="0" cellspacing="0" cellpadding="0"> <tr> <td align="center"><b><font class="R">1</font> <a href="139868_2.php" >2</a> <a href="139868_2.php" >下一页</a> </b></td> </tr> </table> <br>共 2 页 <table align="right" cellpadding="4" cellspacing="0"> <tr> <td class="s" align="right"> 【字体： <a href="javascript:doZoom(16)">磥E/a> <a href="javascript:doZoom(14)">中</a> <a href="javascript:doZoom(12)">小</a>】【 <a href="javascript:window.print()">打印 </a> 】【 <a href="javascript:window.close()">关闭 </a> 】 </td> </tr> </table> <br> <br> </td> </tr> </table> </td> <td width="10" rowspan="2"> </td> </tr> <tr> <td width="199" valign="top" style="border:1px solid #E0CBA7;"> <div align="center"> <script language="javascript" src="/ad/adjc.js"></script> </div> </td> </tr> </table><br> <table width="756" border="0" align="center" cellpadding="0" cellspacing="0"> <tr> <td class="lm"><font class="gray12"> ■中国机械网提供的资料来自互联网，资料的版权属于作者本人，只供个人学习用，不得非法出版、销售。</font></td> </tr> </table> <br> <table width="756" border="0" align="center" cellpadding="5" cellspacing="1" bgcolor="#95CAFF"> <tr> <td bgcolor="#95CAFF"><table width="700" border="0" align="center" cellpadding="0" cellspacing="0"> <tr> <td class="M">相关链接</td> </tr> </table></td> </tr> <tr> <td bgcolor="#FFFFFF"> <table width="100%" border="0" align="center" cellpadding="3" cellspacing="0"> <tr> <td class="S" width=50%><span class="LM"> ·<A href="139869.php" target=_blank>真空泵选用时需要注意的问虂E/A></span> </td> </tr> <td class="S" width=50%><span class="LM"> ·<A href="139867.php" target=_blank>可编程序控制器的五种眮E急喑逃丒?/A> (组图)</span> </td> <tr> <td class="S" width=50%><span class="LM"> ·<A href="139862.php" target=_blank>触摸屏觼E刂破髟谕囊绷兑抵械挠τ?/A></span> </td> </tr> <td class="S" width=50%><span class="LM"> ·<A href="139857.php" target=_blank>数控车床编程基础</A> (组图)</span> </td> <tr> <td class="S" width=50%><span class="LM"> ·<A href="139812.php" target=_blank>往复泵的构詠E氐慵肮ぷ髟丒/A></span> </td> </tr> <td class="S" width=50%><span class="LM"> ·<A href="139754.php" target=_blank>Wonderware产品在直流控制保护系统中的应用</A> (图)</span> </td> <tr> <td class="S" width=50%><span class="LM"> ·<A href="138920.php" target=_blank>我国塑编机械的现状及发展机觼E/A></span> </td> </tr> <td class="S" width=50%><span class="LM"> ·<A href="138860.php" target=_blank>泵阀等供水设备及主要配件基础知识</A></span> </td> <tr> <td class="S" width=50%><span class="LM"> ·<A href="138486.php" target=_blank>变速泵和变速风机代替调节用风阀水阀</A></span> </td> </tr> <td></td> </table></td> </tr> </table>  <meta http-equiv="Content-Type" content="text/html; 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