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<h1>离心泵和自吸泵的区别</h1> <h6>来源?a href='http://kcgysp.com/news/147.html'>http://kcgysp.com/news/147.html</a>   发布时间?019-07-09</h6> <div id="" class="content"> <p><p> <span style="font-size:14px;">    关于离心泵和自吸泵,您知道多少呢?他们有什么区别?其实自吸泵是属于离心泵的一种,自吸泵也可以叫自吸离心泵,下边我们就一起看看具体都有哪些区别吧?/span> </p> <p> <span style="font-size:14px;">自吸泵和离心泵的区别</span> </p> <p> <span style="font-size:14px;">    主要是自吸泵进口管道不需要安装底阀第一次灌满引水后就能把水吸上来,以后不需要再加引?泵体比离心泵?很多自身带有储水功能,具有一次引水终身自吸的功能,而离心泵是起到增压的作用,液位必须比泵高,要能流到泵体里面来才能启动,如果液位比离心泵低只能在进口管道吸入口安装底阀把泵和管道里面灌满液体才能达到自吸的功能,或者在进口安装引水筒,如泵长时间不工作的离心泵,在第二次启动时进口管道和泵体里面的水基本上已经没有了,又得再灌一次引水,操作上比较麻烦,因为长时间不用的离心泵进口底阀密封不能达到完全密封的效果液体会慢慢漏回水池,所以在需要自吸功能的工况,自吸泵比离心泵效果更好?/span> </p> <p style="text-align:center;"> <span style="font-size:14px;"><img src="/uploads/image/20190709/20190709161614_3757.jpg" alt="离心泵价? width="600" height="697" title="离心泵价? align="" /><br /> </span> </p> <p> <span style="font-size:14px;">    自吸离心泵均采用轴向回液的泵体结构。离心泵体由吸入室、储液室、涡卷室、回液孔、气液分离室等组成,离心泵正常启动后,叶轮将吸入室所存的液体及吸入管内中的空气一起吸入,并在叶轮内得以完全混合,在离心力的作用下,液体夹带这气体向涡卷室外缘流动,在叶轮的外缘上形成一定厚度的白色泡沫带及高速旋转液环。气液混合体通过扩散管进入气体分离室。此时,由于流速突然降低,较轻的气体从混合液体中被分离出来,气体通过泵体吐出口继续上升排出。脱气后的液体回到储液室,并由回流孔再次进入叶轮,与叶轮内部从吸入管道中吸入的气体再次混合,在高速旋转的叶轮作用下,又流向叶轮外缘……。随着这个过程周而复始地进行下去,吸入管道中的空气不断减少,直到吸尽空气,自吸泵便完成了自吸过程,离心泵便投入正常作业。因为该离心泵具有这种独特的排气能力,所以此自吸泵能输送含有气体的液体,无需安装底阀,使用在游轮上时具有良好的扫舱功能?/span> </p> <p style="text-align:center;"> <span style="font-size:14px;"><img src="/uploads/image/20190709/20190709161628_2194.jpg" alt="离心泵厂? width="600" height="442" title="离心泵厂? align="" /><br /> </span> </p> <p> <span style="font-size:14px;">1自吸和离心泵</span> </p> <p> <span style="font-size:14px;">在一些离心泵的轴承体底部设有冷却室。当轴承发热引起轴承体温升超?0℃时,可在冷却室处通过如意一只冷却液管接头,注如冷却液循环冷却例如IH化工泵。离心泵内部防止液体由高压区向低压区泄漏的密封机构是前后密封环,前密封环装在泵体上,后密封环装在轴承体上,当泵经长期运转密封环磨损到一定程度,并影响到泵的效率和自吸性能时,应给予更换?/span> </p> <p> <span style="font-size:14px;">2离心?/span> </p> <p> <span style="font-size:14px;">离心泵一般由电动机带动,在启动泵前,泵体及吸入管路内充满液体。当叶轮高速旋转时,叶轮带动叶片间的液体一道旋转,由于离心力的作用,液体从叶轮中心被甩向叶轮外缘(流速可增大?5?5m/s),动能也随之增加。当液体进入泵壳后,由于蜗壳形泵壳中的流道逐渐扩大,液体流速逐渐降低,一部分动能转变为静压能,于是液体以较高的压强沿排出口流出。与此同时,叶轮中心处由于液体被甩出而形成一定的真空,而液面处的压强Pa比叶轮中心处要高,因此,吸入管路的液体在压差作用下进入泵内。叶轮不停旋转,液体也连续不断的被吸入和压出。由于离心泵之所以能够输送液体,主要靠离心力的作用,故称为离心泵?/span> </p> <p> <br /> </p> <p> <span style="font-size:14px;">    <a href="/supply/94.html" target="_blank">西安德为工业技术有限公?/a>经营格兰富、南方泵业、上海人民水泵、ABB变频器、西门子、德力西、欧姆龙、费斯托、SKF轴承、世达工具、博世电动工具、津成电线电缆、飞利浦等国内外近百家知名企业和品牌或其代理经销单位建立了良好的服务和渠道?/span> </p> <p> <br /> </p></p> </div> <div id="" class="tag">相关标签?a href='/key.aspx?k=%c0%eb%d0%c4%b1%c3'>离心?/a>,</div> <div id="" class="pre"><div>下一?<a href="146.html">大流量潜水排污泵特点小知?/a></div> </div> </div> <div id="" class="relate_list"> <div id="" class="relate"> <h4>相关新闻</h4> <ul id="relate_n"> <li> <a href="/news/147.html" title="离心泵和自吸泵的区别" rel="nofollow">离心泵和自吸泵的区别</a> <span>2019-07-09</span> </li> </ul> </div> <div id="" class="relate"> <h4>相关产品</h4> <ul 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