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class="ly_NyNewsdetail"> <h1 class="NyNewsdetail_title">什么是計量泵</h1> <div id="4i4cigaas084" class="NyNewsdetail_tips">更新時間：2019-08-07 點擊次數(shù)：2361</div> <div id="4i4cigaas084" class="NyNewsdetail_con"> <p> 　　什么是<strong>計量泵</strong></p><p> </p><p>　　計量泵工作原理主要由動力驅(qū)動、流體輸送和調(diào)節(jié)控制三部分組成。動力驅(qū)動裝置經(jīng)由機械聯(lián)桿系統(tǒng)帶動流體輸送隔膜實現(xiàn)往復(fù)運動：隔膜（活塞）于沖程的前半周將被輸送流體吸入并于后半周將流體排出泵頭；所以，改變沖程的往復(fù)運動頻率或每一次往復(fù)運動的沖程長度即可達至調(diào)節(jié)流體輸送量之目的。精密的加工精度保證了每次泵出量進而實現(xiàn)被輸送介質(zhì)的精密計量。</p><p> </p><p>　　計量泵在水處理行業(yè)運用為廣泛，諸如：</p><p> </p><p>　　（1）工業(yè)水處理：冷卻塔及鍋爐循環(huán)水處理添加阻垢劑、防腐劑等；</p><p> </p><p>　?。?）工業(yè)廢水處理：絮凝氧化劑消泡PH調(diào)節(jié)；</p><p> </p><p>　?。?）電廠水處理：鍋爐爐內(nèi)水處理、爐外水處理。</p><p> </p><p>　　選型需要按照以下步驟：</p><p> </p><p>　　一、確定壓力：</p><p> </p><p>　　所選取計量泵的額定壓力要略高于所需要的實際高壓力，一般高出10～20％。不要選擇過高，壓力過高會浪費能源，增加設(shè)備的投資和運行費用。</p><p> </p><p>　　二、確定流量：</p><p> 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