Why is there no water when the mud pump is turning

The situation that there is no water when the mud pump of the drilling rig is rotating is relatively common, which will cause the drilling rig to be stuck, and there are many reasons for this failure, which need to be analyzed according to the site conditions in order to find out the reasons and then carry out repairs.

First of all, if the mud pump in installation ignores the height of the limit, resulting in the actual position being too high, beyond the suction range of the mud pump operation, the pump casing may retain a part of the air that can not be completely discharged, prone to rotate without water.
Secondly, the inlet pipeline air intake will also lead to mud pump operation without water failure.
At the same time, the inlet pipeline not being smooth is also a relatively common problem, mainly because mud clogs the filter of the bottom valve, affecting the normal opening and closing of the bottom valve.
Again, the mud pump rotates in the wrong direction. The operator neglects to check the rotation direction when using the pump.
Finally, the mud pump's low rotation speed also leads to no water when it rotates, thus affecting the normal operation of the drilling rig and the normal work related to agricultural water conservation wells.

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