自吸泵進(jìn)口管道漏氣可以吸的上液?jiǎn)幔?/title>
<div align="center"><span style="font-size:14px">作者：自吸泵 來源：自吸泵 發(fā)布時(shí)間：2020-01-13</span></div>
<span style="font-size:16px;"> 自吸泵是可以自吸和防空運(yùn)轉(zhuǎn)的泵，自吸泵泵腔具有儲(chǔ)液功能，使用前泵腔灌滿液體，后期可直接啟動(dòng)運(yùn)轉(zhuǎn)，液體在抽空的狀況下，泵具有儲(chǔ)液腔，不會(huì)造成泵空轉(zhuǎn)而損壞泵腔部件，自吸泵在低液位工況下非常適用，自吸泵根據(jù)采用有鑄鐵自吸泵，不銹鋼自吸泵，氟塑料自吸泵；材質(zhì)不同，適用介質(zhì)也不同，對(duì)于強(qiáng)酸強(qiáng)堿強(qiáng)腐蝕液體，氟塑料自吸泵較適用。用戶在使用自吸泵過程中，出現(xiàn)吸不上液是什么原因呢，進(jìn)口管道漏氣會(huì)有影響嗎？<br /> 自吸泵是依靠葉輪的高速旋轉(zhuǎn)使自吸泵內(nèi)產(chǎn)生低壓區(qū)而進(jìn)行吸水的，所以自吸泵必須保證其進(jìn)水管不漏，即保證外界空氣不能進(jìn)入進(jìn)水管。否則，不僅會(huì)影響水泵效率，而且水泵作業(yè)時(shí)產(chǎn)生嚴(yán)重的振動(dòng)和噪音。氟塑料自吸泵啟動(dòng)前，只需首次使用時(shí)灌滿泵腔，后期使用無需灌液，可直接啟動(dòng)，完成輸送，氟塑料自吸泵在自吸時(shí)，進(jìn)口管道出現(xiàn)漏氣是沒法完成自吸的；<br /> <img alt="自吸泵" src="http://www.15ho.cn/d/file/telongzixun/2020-01-13/c5bf9acfde8daa05c5d59a1142bef155.jpg" style="width: 500px; height: 667px;" /><br />一、自吸泵在安裝前的要求有哪些呢？<br /> 1、自吸泵在安裝前一定要確認(rèn)好進(jìn)口管道的長(zhǎng)度和高度不能超過自吸泵的允許吸程范圍，進(jìn)口管道一定不能有漏氣的現(xiàn)象，應(yīng)該保證是全密封的管道，就算有針眼大的小孔也將會(huì)影響自吸泵的自吸能力。 <br />2、自吸泵安裝時(shí)盡量不要固定在用槽鋼焊接的支架上，因?yàn)椴垆撆c泵接觸的面太少，在緊固底座螺絲的同時(shí)由于泵底座有很大一部分是懸空的所以容易把底座及聯(lián)軸器同心度給破壞，所以裝在槽鋼支架上的自吸泵是容易出現(xiàn)振動(dòng)大聯(lián)軸器很容易損壞的現(xiàn)象。<br />3、自吸泵在安裝時(shí)不能圖便宜，有的用戶在新購(gòu)買的自吸泵拿去使用時(shí)直接把出廠固定自吸泵的木條底座和自吸泵一起放在地面上投入使用，這種作法是不可取的，這樣很容易導(dǎo)致自吸泵發(fā)生振動(dòng)及噪音而使自吸泵發(fā)生機(jī)械故障。正確的方法是把泵底座固定在實(shí)心平整的平臺(tái)或者堅(jiān)硬的地面上。<br /> <img alt="自吸泵" src="http://www.15ho.cn/d/file/telongzixun/2020-01-13/a258eea8693a319506c1e1639b66c05f.jpg" style="width: 500px; height: 667px;" /><br />二、自吸泵停止，啟動(dòng)注意事項(xiàng)及操作順序：<br />1、使泵停止轉(zhuǎn)動(dòng)，首先必須關(guān)閉吐出管路上的閘閥，在寒冷季節(jié)，應(yīng)將泵體內(nèi)的儲(chǔ)液和軸承體冷卻室內(nèi)的水放空，以防凍裂機(jī)泵部件。<br />2、啟動(dòng)自吸泵時(shí)：注意泵軸的轉(zhuǎn)向是否正確。注意轉(zhuǎn)動(dòng)時(shí)有無不正常的聲響和振動(dòng)。注意壓力表及真空表讀數(shù)，起動(dòng)后當(dāng)壓力表及真空表的讀數(shù)經(jīng)過一段時(shí)間的波動(dòng)而指示穩(wěn)定后，說明自吸泵內(nèi)已經(jīng)上液，進(jìn)入正常輸液作業(yè)。<br /> <img alt="自吸泵" src="http://www.15ho.cn/d/file/telongzixun/2020-01-13/f0195cb7c6fdf67e79f0cc4875549e29.jpg" style="width: 500px; height: 1000px;" /><br />三、自吸泵在工作過程中如發(fā)生強(qiáng)烈振動(dòng)和噪聲，有可能是泵發(fā)生汽蝕所致，汽蝕產(chǎn)生的原因有兩種：一是進(jìn)口管流速過大，二是吸程過高。流速過大時(shí)可調(diào)節(jié)出口控制閥，升高壓力表讀數(shù)，在進(jìn)口管路有堵塞時(shí)則應(yīng) 及時(shí)排除;吸程太高時(shí)可適當(dāng)降低泵的安裝高度。在自吸泵進(jìn)入正常輸液作業(yè)前即自吸過程中，應(yīng)特別注意泵內(nèi)水溫升高情況，如果這個(gè)過程過長(zhǎng)，泵內(nèi)水溫過高，則停泵檢查其原因。如果自吸泵內(nèi)液體溫度過高而引起自吸困難，那么可以暫時(shí)停機(jī)，利用吐出管路中的液體倒流回泵內(nèi)或向泵體上加儲(chǔ)液口處直接向泵內(nèi)補(bǔ)充液體，使泵內(nèi)液體降溫，然后起動(dòng)即可。<br /> 自吸泵在工作過程中因故停泵，需再起動(dòng)時(shí)，出口控制閥應(yīng)稍開(不要全閉)，這樣既有利于自吸過程中氣體從吐出口排出，又能保證尖在較輕的負(fù)責(zé)下啟動(dòng)。注意檢查管路系統(tǒng)有無滲漏現(xiàn)象。</span><br /> </div>
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