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Jul 10

GN produce desander and desilter unit, also horizontal centrifugal pump for feeding them. Sometimes we assembly them together with a small tank, which is called desander/desilter unit or mud cleaning unit. All slurry pump, sand pumps are called centrifugal pump.

 The fact of the matter is that there are three types of problems mostly encountered

with centrifugal pumps:

 design errors

poor operation

poor maintenance practices

horizontal centrifugal  pump

horizontal centrifugal pump

To avoid such problem, you should first understand how it works and the operation and maintenance principle.

How it works

A centrifugal pump is a rotodynamic pump that uses a rotating impeller to increase the pressure of a fluid. Centrifugal pumps are commonly used to move liquids through a piping system. The fluid enters the pump impeller along or near to the rotating axis and is accelerated by the impeller, flowing radially outward into a diffuser or volute chamber (casing), from where it exits into the downstream piping system. Centrifugal pumps are used for large discharge through smaller heads.

Efficiency of large capacity pumps

Unless carefully designed, installed and monitored, pumps will be, or will become inefficient, wasting a lot of energy. Pumps need to be regularly tested to determine efficiency.

Problems of centrifugal pumps

  • Wear of the Impeller—can be worsened by suspended solids
  • Corrosion inside the pump caused by the fluid properties
  • Overheating due to low flow
  • Leakage along rotating shaft
  • Lack of prime—centrifugal pumps must be filled (with the fluid to be pumped) in order to operate
  • Surge

To know more information about horizontal centrifugal pump, pls contact GN solids control.

written by GN Desander Desilter \\ tags:


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