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柱塞式計量泵和隔膜式計量泵簡介
來源：巴特計量泵、齒輪泵公司 發(fā)布時間：2013-12-04 15:21:57 瀏覽次數(shù)：次
鄭州巴特計量泵因其動力驅(qū)動和流體輸送方式的不同，計量泵可以大致劃分成柱塞式和隔膜式兩大種類。
一、柱塞式計量泵
主要有普通有閥泵和無閥泵兩種。柱塞式計量泵因其結構簡單和耐高溫高壓等優(yōu)點而被廣泛應用于石油化工領域。針對高粘度介質(zhì)在高壓力工況下普通柱塞泵的不足，一種無閥旋轉(zhuǎn)柱塞式計量泵受到愈來愈多的重視，被廣泛應用于糖漿、巧克力和石油添加劑等高粘度介質(zhì)的計量添加。因被計量介質(zhì)和泵內(nèi)潤滑劑之間無法實現(xiàn)完全隔離這一結構性缺點，柱塞式計量泵在高防污染要求流體計量應用中受到諸多限制。
柱塞式計量泵 無閥柱塞式計量泵
二、隔膜式計量泵
顧名思義，隔膜式計量泵利用特殊設計加工的柔性隔膜取代活塞，在驅(qū)動機構作用下實現(xiàn)往復運動，完成吸入－排出過程。由于隔膜的隔離作用，在結構上真正實現(xiàn)了被計量流體與驅(qū)動潤滑機構之間的隔離。高科技的結構設計和新型材料的選用已經(jīng)大大提高了隔膜的使用壽命，加上復合材料優(yōu)異的耐腐蝕特性，隔膜式計量泵目前已經(jīng)成為流體計量應用中的主力泵型。在隔膜式計量泵家族成員里，液力驅(qū)動式隔膜泵由于采用了液壓油均勻地驅(qū)動隔膜，克服了機械直接驅(qū)動方式下泵隔膜受力過分集中的缺點，提升了隔膜壽命和工作壓力上限。為了克服單隔膜式計量泵可能出現(xiàn)的因隔膜破損而造成的工作故障，有的計量泵配備了隔膜破損傳感器，實現(xiàn)隔膜破裂時自動連鎖保護；具有雙隔膜結構泵頭的計量進一步提高了其安全性，適合對安全保護特別敏感的應用場合。
作為隔膜式計量泵的一種，電磁驅(qū)動式計量泵以電磁鐵產(chǎn)生脈動驅(qū)動力，省卻了電機和變速機構，使得系統(tǒng)小巧緊湊，是小量程低壓計量泵的重要分支。
現(xiàn)在，精密計量泵技術已經(jīng)非常成熟，其流體計量輸送能力大可達0-100,000l/h，工作壓力高達4000 bar，工作范圍覆蓋了工業(yè)生產(chǎn)所有領域的要求。
鄭州巴特熔體泵有限公司
主營產(chǎn)品：計量泵、齒輪泵、熔體泵、高溫熔體泵、
熔體齒輪泵、熔體計量泵、化學泵、化工泵。
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