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}); </script> <div id="h9bpkuijf" class="ny_banner"><img src="/skins/30724/images/ny_banner1.jpg" /></div> <script src="http://www.hbzhan.com/mystat.aspx?u=scjjy"></script> <div id="h9bpkuijf" class="ly_crumb"> <img src="/skins/30724/images/crumb_icon.png" /><p>當(dāng)前位置：<a href="/">首頁</a> > <a href="/news.html">新聞中心</a> > <span>從基本認(rèn)識氣動隔膜泵</span></p> </div> <div id="h9bpkuijf" class="ly_NyNewsdetail"> <h1 class="NyNewsdetail_title">從基本認(rèn)識氣動隔膜泵</h1> <div id="h9bpkuijf" class="NyNewsdetail_tips">更新時間：2018-11-15 點擊次數(shù)：2094</div> <div id="h9bpkuijf" class="NyNewsdetail_con"> <div>　　<strong><a href="http://www.tspower.com.cn/ParentList-173310.html" target="_blank">氣動隔膜泵</a></strong>是執(zhí)行器的主要類型，通過接受調(diào)節(jié)控制單元輸出的控制信號，借助動力操作去改變流體流量。隔膜泵一般由執(zhí)行機(jī)構(gòu)和閥門組成。結(jié)構(gòu)簡單、易損件少，該泵結(jié)構(gòu)簡單，安裝、維修方便，泵輸送的介質(zhì)不會接觸到氣閥，聯(lián)桿等運動部件，不像其他類型的泵因轉(zhuǎn)子、活塞、齒輪、葉片等部件的磨損而使性能逐步下降。</div><div>　　該泵使用方便、工作可靠、開停只需簡單地打開和關(guān)閉氣體閥門，即使由于意外情況而長時間無介質(zhì)運行或突然停機(jī)泵也不會因此而損壞，一旦超負(fù)荷，泵會自動地停機(jī)，具有自我保護(hù)性能，當(dāng)負(fù)荷恢復(fù)正常后，又能自動啟動運行。</div><div>　　由于用空氣作動力，所以流量隨背壓(出口阻力)的變化而自動調(diào)整，適合用于中高粘度的流體。而離心泵的工作點是以水為基準(zhǔn)設(shè)定好的，如果用于粘度稍高的流體，則需要配套減速機(jī)或變頻調(diào)速器，成本就大大的提高了，對于齒輪泵也是同樣如此。</div><div>　　在易燃易爆的環(huán)境中用氣動泵可靠且成本低，如燃料、火藥、炸藥的輸送，接地后不可能產(chǎn)生火花，工作中無熱量產(chǎn)生，機(jī)器不會過熱，流體不會過熱因為隔膜泵對流體的攪動較小。在工地惡劣的地方，如建筑工地、工礦的廢水排放、由于污水中的雜質(zhì)多且成分復(fù)雜，管路易于堵塞，這樣對電泵就形成負(fù)荷過高的情況，電機(jī)發(fā)熱易損。<strong>氣動隔膜泵</strong>可通過顆粒且流量可調(diào)，管道堵塞時自動停止至通暢?？捎糜谳斔突瘜W(xué)性質(zhì)比較不穩(wěn)定的流體，如：絮凝液、感光材料等，這是因為隔膜泵的剪切力低，對材料的物理影響小。</div> </div> <div id="h9bpkuijf" class="ly_PrevNext"> <ul> <li>上一篇：<a href="/News-434166.html">seko電磁計量泵的主要用途及注意事項</a></li> 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