原创 雷延平
水环式真空泵真空系统中的逆止门通常位于真空泵的出口处,用于防止流体回流。在系统图中,逆止门一般安装在真空泵出口管道上,确保流体只能沿一个方向流动,即流向后续系统或储存容器,而不会因系统压力波动或其他原因而反向流动回到真空泵。具体位置和设置可能因不同系统设计而异,但通常位于真空泵出口附近,紧邻真空泵的出口阀门或高点。
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真空系统图
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水环式真空泵原理图
1-水环;2-吸气口;3-排气口; 4-泵体;5-叶轮
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双级水环式真空泵外观图
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双级水环式真空泵结构图
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双级真空泵运行过程
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