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<div>　　計量泵（Meteringpump）也稱(chēng)定量泵或比例泵。計量泵是一種可以滿(mǎn)足各種嚴格的工藝流程需要，流量可以在0-100范圍內無(wú)級調節，用來(lái)輸送液體（特別是腐蝕性液體）一種特殊容積泵。</div><div>　　計量泵是流體輸送機械的一種,其突出特點(diǎn)是可以保持與排出壓力無(wú)關(guān)的恒定流量。使用計量泵可以同時(shí)完成輸送、計量和調節的功能,從而簡(jiǎn)化生產(chǎn)工藝流程。使用多臺計量泵,可以將幾種介質(zhì)按準確比例輸入工藝流程中進(jìn)行混合。由于其自身的突出,計量泵如今已被廣泛地應用于石油化工、制藥、食品等各工業(yè)領(lǐng)域中。</div><div>　　電機經(jīng)聯(lián)軸器帶動(dòng)蝸桿并通過(guò)蝸輪減速使主軸和偏心輪作回轉運動(dòng)，由偏心輪帶動(dòng)弓型連桿的滑動(dòng)調節座內作往復運動(dòng)。當柱塞向后死點(diǎn)移時(shí)，泵腔內逐漸形成真空，吸入閥打開(kāi)，吸入液體；當柱塞向前死點(diǎn)移動(dòng)時(shí)，此時(shí)吸入閥關(guān)閉，排出閥打開(kāi)，液體在柱塞向進(jìn)一步運動(dòng)時(shí)排出。在泵的往復順還工作形成連續有壓力、定量的排放液體。</div><div>　　計量泵吸液不正常怎么解決：</div><div>　　旋轉到?jīng)_程長(cháng)度100位置。這樣可以使整套部件旋轉至背板漏液排出孔與泵的底端對齊。在泵運行過(guò)程中調整液力端和隔膜至合適的位置。</div><div>　　對反應時(shí)間來(lái)說(shuō)，脈沖持續時(shí)間可能不足夠長(cháng)。相對于標準的脈沖寬度80msec，流量監視器脈沖寬度擴展可以被激活，增加脈沖寬度至300msec。激活智能轉換開(kāi)關(guān)，取下固定電路板的護蓋，移走跳線(xiàn)X-1。這樣就激活了擴展功能，在故障指示之前允許有更多的時(shí)間。</div><div>　　計量泵安裝自排氣泵頭，采用自灌式吸液。保持吸液管線(xiàn)盡可能短。</div><div>　　</div> </div> <div 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