Pump retrofitting: New Lease of Life for Old Pumps

For all of the commitment of a mine’s service group to the beneficial greatest practice in pump administration, sometime, encountering instances of pump part put on and tear is inevitable – a matter of when and not if. And when it does occur, component wear inhibits pump performance. It is at that time the place, timeously, mines might have to significantly think about retrofitting as a feasible choice.
A rational business determination
In this surroundings, the place costs of capital gear costs are increasing, substitute may be a sensible business choice. In an advisory focused at mines and different industries, pump OEM, KSB Pumps, recommends retrofitting as a rational enterprise choice: “Retrofitting is a wonderful various to purchasing a new product and may be performed on pumps regardless of their supposed use. It is equally appropriate for industrial, water supply and waste water disposal functions as well as for the ability provide business.”
It is simply pure for mine operators to ponder acquiring new pumps. เครื่องวัดแรงดันเกจที่นิยมใช้ meet modern necessities like improved vitality effectivity, compliance with new legal requirements (relating to emissions and safety), prolonged service life and technology which produces working data. But this may not necessitate changing an old pump model, KSB Pumps says, as retrofitting might give an old pump a new lease of life, particularly in the following ways:
Save upkeep costs
Reduce power consumption
Achieve longer service life
Increase system availability
Comply with legal requirements (e.g: TA-Luft, ATEX)
READ: Full-service capability very important for dependable pump supply
Core areas in Retrofitting
The core focus areas in retrofitting are: hydraulic and mechanical modifications to the materials, above and past modifications to the materials.
Hydraulic modifications
Some of the hydraulic modifications may contain:
Remachining of present impellers
Installation of recent impellers for off-design conditions
Optimisation of volute casing for off-design conditions
Adjustment of the variety of stages (on multistage pumps)
Mechanical changes
The following are a variety of the mechanical changes:
Closed bearing brackets enhance the smoothness of operation and extend the bearing life
Installation of mechanical seal methods
Employment of mobile floor wear rings to enhance efficiency, rotor dynamics and dry running properties
Use of optimised supplies
The following are its a few of the materials that some of the optimised supplies that might be used:
Super duplex stainless steel grades or nickel alloys
Ceramic mineral castings for impellers, wear plates, cover and casing – for use with finely dispersed, highly abrasive solutions
Non-metallic rings and bushes
Ceramic plain bearings
Surface coatings

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