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循環水式真空泵原理與購置解釋

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循環水式真空泵原理

循環水原理不同于抽真空原理與射流式抽氣器,它屬于離心式機械泵。在圓筒形泵殼內偏心安裝著葉輪轉子,其葉片為前彎式。當葉輪旋轉時,工作水在離心力作用下形成沿泵殼旋流的水環,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”在葉柵中作徑向往復運行。

循環水式真空泵特點

循環水式真空泵是以循環水為工作流體,采用射流技術產生負壓而設計的一種新型真空抽氣泵,循環水式真空泵不僅是一種真空抽氣裝置,同時還能向反應裝置中提供循環冷卻水,循環水式真空泵具有不用油、無污染、耐腐蝕、噪音低、方便靈活等特點。材料采用防腐機芯和不銹鋼機芯兩種型號;立式電機,泵體直接潛入水下,不需加引水,一機多用。

循環水真空泵又叫水環式真空泵是一種粗真空泵,原產于國內的比朗儀器。它所能獲得的極限真空為2000-4000帕,串聯大氣噴射器可達270-670帕。水環泵也可用作壓縮機,稱為水環式壓縮機,是屬于低壓的壓縮機,其壓力范圍為1-2X105帕表壓力。環真空泵最初用作自吸水泵,而后逐漸用于石油、化工、機械、礦山、輕工、醫藥及食品等許多工業部門。

 

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