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水环式真空泵的工作原理
作者:admin  来源:本站  发表时间:2011-5-12 9:05:28  点击:4453

   水环式真空泵是一种粗真空泵,它所能获得的极限真空为2000~4000Pa,串联大气喷射器可达270~670Pa。水环式真空泵也可用作压缩机,称为水环式压缩机,是属于低压的压缩机,其压力范围为1~2×105Pa表压力。

    水环式真空泵最初用作自吸真空泵,而后逐渐用于石油、化工、机械、矿山、轻工、医药及食品等许多工业部门。在工业生产的许多工艺过程中,如真空过滤、真空引水、真空送料、真空蒸发、真空浓缩、真空回潮和真空脱气等,水环泵得到广泛的应用。由于真空应用技术的飞跃发展,水环式真空泵在粗真空获得方面一直被人们所重视。由于水环式真空泵中气体压缩是等温的,故可抽除易燃、易爆的气体,此外还可抽除含尘、含水的气体,因此,水环式真空泵应用日益增多。

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