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從原理區分循環水真空泵與水環式真空泵

Admin發布于 關鍵詞:循環水真空泵

循環水真空泵與水環式真空泵二者很容易混淆,科瑞儀器技術部從兩者工作原理方面解釋區分,如有其它疑問歡迎您來電咨詢。

鞏義科瑞儀器公司專業生產循環水真空泵系列產品,各種規格型號齊全,全國免郵!

循環水真空泵的工作原理

其工作介質為水質液體,循環水真空泵的抽真空采用射流原理,和傳統的水泵類似,用電機帶動葉輪,利用葉輪將水增壓后泵入管道,讓管道內的水高速噴射到真空發生器,在真空發生器(我們廠家稱之為真空瓶)內產生真空,真空瓶內產生的負壓氣流再通過管道連接到抽氣嘴上,真空表能顯示當前真空度值。

循環水真空泵

水環式真空泵的工作原理

水環式真空泵的構造特點是泵軸上安裝了對于圓柱形泵殼偏心的星形葉輪,啟動前,向泵內注入規定高度的水。當葉輪旋時,由于離心力的作用將水甩至泵體四壁,形成一個和轉軸同心的水環,水環上部的內表面與輪殼相切,水環下半部的內表面則與輪殼形成了一個氣室,這個氣室的容積在右半部是遞增的,在前半圈中隨著輪殼與水環間容積的增加而形成真空,因此空氣通過抽水管及真空泵泵殼端蓋上月牙形的進氣口被吸入真空泵內;在后半圈中,隨著輪殼與水環間容積的減少而空氣被壓縮,經過泵殼端蓋上另一個月牙形排氣口被排出。葉輪不斷地旋轉,水環式真空泵就能把空氣抽走。

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