本实用新型公开了一种无底阀水泵吸水管用负压发生器。
The utility model discloses a negative pressure generator used by a water pump suction pipe without a bottom valve.
本文提出了一种消除泵站水泵吸水管内旋涡和流动分离的圆锥形防涡装置。
In this paper, a conical swirl-proof device is proposed to prevent eddy and flow separation in the water - inhaling pipe of the pump.
水泵在启动以前，泵壳和吸水管内必须先充满水，这是因为有空气存在的情况下，泵吸人口真空无法形成和保持。
At pump start before the shell and the water pump tube must be filled with water, the air This is because there is existence, the population vacuum pump can not create and maintain.
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