For all the dedication of a mine’s service team to the really helpful best apply in pump management, someday, encountering cases of pump component put on and tear is inevitable – a matter of when and never if. And when it does happen, part put on inhibits pump performance. It is at that point where, timeously, mines may have to seriously consider retrofitting as a feasible possibility.
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In this environment, where prices of capital equipment costs are growing, substitute could also be a smart enterprise choice. In an advisory focused at mines and other industries, pump OEM, KSB Pumps, recommends retrofitting as a rational enterprise determination: “Retrofitting is an excellent alternative to buying a new product and may be performed on pumps no matter their supposed use. It is equally suitable for industrial, water supply and waste water disposal applications in addition to for the ability provide industry.”
It is only natural for mine operators to contemplate buying new pumps. New pump fashions meet up to date necessities like improved power efficiency, compliance with new authorized requirements (relating to emissions and safety), extended service life and technology which produces working information. But this will likely not necessitate changing an old pump mannequin, KSB Pumps says, as retrofitting might give an outdated pump a model new lease of life, specifically in the following methods:
Save upkeep costs
Reduce power consumption
Achieve longer service life
Increase system availability
Comply with authorized necessities (e.g: TA-Luft, ATEX)
READ: Full-service capability very 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 modifications to the materials.
Hydraulic modifications
Some of the hydraulic modifications could contain:
Remachining of present impellers
Installation of new impellers for off-design circumstances
Optimisation of volute casing for off-design situations
Adjustment of the number of levels (on multistage pumps)
Mechanical changes
The following are some of the mechanical adjustments:
Closed bearing brackets improve the smoothness of operation and prolong the bearing life
Installation of mechanical seal methods
Employment of mobile surface wear rings to enhance effectivity, rotor dynamics and dry operating properties
Use of optimised materials
The following are its some of the supplies that a number of the optimised supplies that could be used:
Super duplex chrome steel grades or nickel alloys
Ceramic mineral castings for impellers, wear plates, cover and casing – to be used with finely dispersed, highly abrasive options
Non-metallic rings and bushes
Ceramic plain bearings
Surface coatings
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