Pump retrofitting: New Lease of Life for Old Pumps

For all the commitment of a mine’s service group to the recommended finest apply in pump management, someday, encountering instances of pump part wear and tear is inevitable – a matter of when and never if. And when compound gauge ราคา does happen, element wear inhibits pump performance. It is at that point where, timeously, mines could have to noticeably consider retrofitting as a feasible option.
A rational enterprise choice
In this setting, the place costs of capital equipment costs are growing, replacement could additionally be a smart enterprise choice. In an advisory targeted at mines and different industries, pump OEM, KSB Pumps, recommends retrofitting as a rational business determination: “Retrofitting is a superb various to purchasing a new product and may be carried out on pumps no matter their meant use. It is equally suitable for industrial, water supply and waste water disposal purposes as properly as for the ability provide industry.”
It is only natural for mine operators to contemplate acquiring new pumps. New pump models meet contemporary necessities like improved energy efficiency, compliance with new legal necessities (relating to emissions and safety), prolonged service life and technology which produces working information. But this may not necessitate replacing an outdated pump mannequin, KSB Pumps says, as retrofitting might give an outdated pump a model new lease of life, specifically in the following ways:
Save maintenance costs
Reduce energy consumption
Achieve longer service life
Increase system availability
Comply with legal requirements (e.g: TA-Luft, ATEX)
READ: Full-service capability important for dependable pump provide
Core areas in Retrofitting
The core focus areas in retrofitting are: hydraulic and mechanical modifications to the materials, above and past changes to the supplies.
Hydraulic modifications
Some of the hydraulic modifications might involve:
Remachining of present impellers
Installation of latest impellers for off-design circumstances
Optimisation of volute casing for off-design situations
Adjustment of the number of stages (on multistage pumps)
Mechanical changes
The following are a few of the mechanical changes:
Closed bearing brackets enhance the smoothness of operation and prolong the bearing life
Installation of mechanical seal methods
Employment of mobile surface put on rings to improve efficiency, rotor dynamics and dry operating properties
Use of optimised materials
The following are its a few of the supplies that a few of the optimised materials which could be used:
Super duplex stainless-steel grades or nickel alloys
Ceramic mineral castings for impellers, wear plates, cowl and casing – to be used with finely dispersed, extremely abrasive solutions
Non-metallic rings and bushes
Ceramic plain bearings
Surface coatings

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