Pump retrofitting: New Lease of Life for Old Pumps

For all of the dedication of a mine’s service group to the recommended best apply in pump administration, someday, encountering circumstances of pump part wear and tear is inevitable – a matter of when and never if. And when it does occur, part wear inhibits pump performance. It is at that point the place, timeously, mines may have to seriously contemplate retrofitting as a feasible choice.
A rational business choice
In this surroundings, where costs of capital equipment prices are increasing, substitute may be a smart enterprise choice. In เกจ์ลมsumo focused at mines and other industries, pump OEM, KSB Pumps, recommends retrofitting as a rational enterprise decision: “Retrofitting is a superb various to purchasing a brand new product and may be performed on pumps no matter their meant use. It is equally appropriate for industrial, water provide and waste water disposal purposes as nicely as for the facility supply trade.”
It is simply natural for mine operators to ponder acquiring new pumps. New pump models meet up to date requirements like improved power efficiency, compliance with new authorized necessities (relating to emissions and safety), prolonged service life and technology which produces working knowledge. But this will not necessitate changing an outdated pump mannequin, KSB Pumps says, as retrofitting might give an outdated pump a new lease of life, specifically within the following ways:
Save upkeep prices
Reduce power consumption
Achieve longer service life
Increase system availability
Comply with legal necessities (e.g: TA-Luft, ATEX)
READ: Full-service functionality important for reliable pump provide
Core areas in Retrofitting
The core focus areas in retrofitting are: hydraulic and mechanical modifications to the supplies, above and beyond changes to the supplies.
Hydraulic modifications
Some of the hydraulic modifications might involve:
Remachining of current impellers
Installation of latest impellers for off-design situations
Optimisation of volute casing for off-design situations
Adjustment of the number of levels (on multistage pumps)
Mechanical adjustments
The following are a few of the mechanical modifications:
Closed bearing brackets enhance the smoothness of operation and prolong the bearing life
Installation of mechanical seal methods
Employment of mobile floor wear rings to improve effectivity, rotor dynamics and dry working properties
Use of optimised supplies
The following are its some of the supplies that a few of the optimised supplies which may be used:
Super duplex stainless-steel grades or nickel alloys
Ceramic mineral castings for impellers, put on plates, cowl and casing – to be used with finely dispersed, highly abrasive solutions
Non-metallic rings and bushes
Ceramic plain bearings
Surface coatings
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