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當前位置:首頁 > 公司動態 > 循環水式多用真空泵是如何進行抽真空的?
循環水式多用真空泵是如何進行抽真空的?
點擊次數:2213 發布時間:2018-12-29
  循環水式多用真空泵是根據實驗室面積小這一特點,縮小體積改進而成,采用一次性成型外殼,具有體積小,重量輕,外形美觀等優點。是以循環水作為工作流體,利用射流產生負壓原理而設計的一種新型多用真空泵,為化學實驗室提供真空條件,并能向反應裝置提供循環冷卻水,應用于蒸發、蒸餾、結晶、過濾、減壓、升華等作業,是大專院校、醫藥化工、食品加工等領域實驗室的理想設備。
 
  循環水式多用真空泵的抽真空原理:
 
  屬于離心式的機械泵。圓筒形的泵殼里偏心裝置著葉輪轉子。當葉輪旋轉工作時水在離心力的作用下形成水環。由于葉輪偏心位置。水環相對葉片作相對運行。使相鄰兩葉片之間的空間容積呈周期性變化。有如液體“活塞”葉柵中作徑向往復運行。隨著葉輪穩定轉動。每個容積輪反復變化。使吸、排氣過程繼續下去。能隨時根據系統的真空度變化自動啟停。當系統真空降低時機組配三臺循環水真空泵。正常運行時投用一至兩臺。保證了抽氣壓力在規定的范圍之內運行。


循環水式多用真空泵

  循環水式多用真空泵的特點:
 
  1、zui多可同時供四名學生進行實驗,縮小實驗空間。
 
  2、本機采用雙抽頭,可單獨或并聯使用,裝有兩個真空表。
 
  3、主機采用不銹鋼機芯和防腐材質機芯兩種型號制造,箱體為加強聚丙。
 
  4、耐腐蝕、無污染、噪音低、移動方便,還可根據用戶需要加裝真空調節閥。
 
  5、特制的流體消聲器,減少水中氣體,使真空度更高更穩;減少氣液摩擦,降低噪聲。
 
  6、循環水式多用真空泵的電機由氟橡膠密封,電機內部無腐蝕性氣體侵入。
 
  7、需定期更換水槽中的水,以保證水質純凈,保證真空度,避免垢漬。

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