The single screw pump is a new type pump which is designed according to joggle cubage principle. The main parts are screw shaft (rotor) and screw shaft bushing (stator).
Because of the special geometry shape of the two parts, they form pressurize capacity separately. The fluids flow along with the shaft, inner flow speed is slow, capacity remains, pressure is steady, so it will not generate vortex and agitating. The output pressure of each class pump is 0.6Mpa, head 60m( for clean water), Self-suction height is more than 6m.
Advantages of the screw pumps:
Nowadays, Single screw pump is widely used in oilfield application, below is the correctly use method of it.
1、Before operating the pump , you should confirm the rotating direction, forbid reversing.
2、Forbid operating the pump without feeding fluids, otherwise the stator will be damaged.
3、You should feed the fluids to the pump before first time starting the pump, and ensure that do not operate the pump without feeding fluids. If you need to use it urgently, you should feed proper qty soap-suds first .
4、You should clean the pump by water or solvent after pumping high viscosity and corrosive fluids, in case of jam, otherwise next time it would be hard to start.
5、You should remove the rest fluids remain in the pump in winter, in case of frost crack.
6、Bearing should be applied regularly by lubricant, if any leakage in the seal of the bearing, you should process in time or replace the oil seal.
7、If abnormal conditions happened, you should stop operation at once and check the reason.
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