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GN Submersible Pump Problem Solve

GN Solids Control provides varieties of feeding pumps, like screw pump, submersible pump, centrifuge pump, shear pump, vacuum pump etc. Generally speaking, screw pump and submersible pump is used to feed decanter centrifuge, while centrifuge pump and submersible pump is used to feed hydro-cyclones.
Several weeks ago, we have one submersible pump issue occurred in South America. According the design principle: GN submersible pump will shut down automatically in order to protect the motor, which was designed and manufactured to run at 36A, 50A is too high.

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We don't have extra motors for this pump. If you use higher running amperage, the power should be larger than 30Hp, which will increase the feeding volume and will affect the whole system separating process.
Desander pressure gauge was reading 25 psi, which is about 0.17 Mpa. What our team members did observe is that there are only 8 cyclones (pipes) on the desander, and 4 of the openings are plugged off. Our team members reviewed the spare parts but did not find any extra...
From the below guidance, appears we are about “spot on” regarding pressure…
adding in the 4 extra could potentially lower the pressure and potentially reduce some of the load on the pump?
Submersible pump to feed the fine shaker, so far so good! It does not shut down! We agree with the engineer, but so far that pump is doing fine. Will be even better with the agitators!
The pressure seems normal, need to discuss with our engineer and get back to you.
There are 8 sets cyclones assembled on the shaker. The rest 4 openings are blocked in order to control whole system treating volume, with more cyclones the treating volume will also get larger (4 sets cyclones will increase 500GPM treating volume). This is why we only use 8sets and didn't provide extra cyclones in the spare parts list.
At last we recommend modifying the impeller of this submersible pump. GN engineers recommend using one smaller impeller which is around 270mm.

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Also need shale shaker, mud cleaner, decanter centrifuge, and drilling waste management system.

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+1-713-320-3868

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