In order to reduce the fluctuation of pressure and discharge capacity of the triplex drilling pump, the air accumulator is often fixed on the dischargepipe.
为了降低三缸单作用钻井泵的压力和排量波动，通常在排出管线上安装有空气包。
2
When the pump is first started, rotation of gears forces air out the casing and into the dischargepipe.
当泵首次启动时，齿轮的旋转迫使空气离开壳体进入排油管。
3
This paper introduces the structure and hydraulic design of the multiphase flow centrifugal pump, which draught sands from the riverbed and discharge the air of the suction pipe.