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Category Archives: Commonly used pumps

Commonly used Centrifugal Pumps in Solids control system

In the solids control system there are three kinds of commonly used pumps: centrifugal pump/sand pump, shear pump and submersible slurry pump.

Centrifugal pump/sand pump

Centrifugal pump is also called sand pump, is the ideal equipment to provide impetus for desander, desilter and jet mud mixer.  It can also be used as Charge Pump auxiliary perfusion for mud pump and Trip Pump for drilling well head.

Because of drilling fluid is a kind of suspension liquid which has a large number of solid particles and all kinds of chemical additive, therefore the material of impeller and volute are required to have enough wear resistance and corrosion resistance.

The working environment of centrifugal pump is bad, needed to deliver the drilling fluid for a long time, so the seal of shaft end is required to be very reliable. Meanwhile, as the power source of hydrocyclone, it is very important to match the flow and pressure of centrifugal pump and hydrocyclone. Otherwise, the hydrocyclone can not to work normally.

 

Drilling fluid Shear pump

Shear pump is a new tape equipment which provides the fast configuration and treatment mud for the user, the user satisfy with configuration high performance mud. Shearing pump can mix effectively and hydrate completely the material added in the drilling fluid, save the mud material, reduce the time of configuration, and provide the high performance mud for the well drilling.

Submersible slurry pump

Submersible slurry pump is with structure of vertical single stage and single suction system overhung centrifugal pump,it is made of abrasion-resistant alloy,it canconvey medium with high concentration particle.There is no bearing and gland seal between impeller and pump body,so the slurry pump is maintenance-free and high temperature resistance.

Slurry pump is the cantilever pump structure of single stage and single suction, with the bearing housing, supporting, intermediate pipe connecting the  pump hydraulic components, the water is discharged out from the drain pipe parts, pump impeller is for semi-shrouded with the agitating vane on the vane extended.

The length of inserting the water by slurry pump is between 800 and 2000, the suction pipe can be matched in case of need. The shaft seal runs into the underwater pump without setting up the shaft seal, drive should be installed the vertical motor on the supporting seat connecting with coupling and pump.

These three kinds of pumps are all important for solids control system.The reason why centrifugal pump is widely used, because of it has a series of advantages of small volume, light weight, large flow, easy to use and easy to install.

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