Wear Protection
effective because it does not eradicate the continual problems experienced in many applications.”
Lining materials By applying the correct lining material, users can actually get more life from their plants than they thought possible. Tis is because, once repaired or protected, the equipment will continue in service for much longer than had originally been planned. Te fact that the plant operates for longer also means long term savings on maintenance costs and downtime. In addition, the improved efficiency of the lining material also generally results in improved productivity.
Te latter benefit results from the low friction
nature of the lining material, which reduces energy usage and allows a greater volume of material to be discharged, or throughput. Wear protection also lends itself to the repair
process, as it offers the flexibility to be implemented at any time during the life of process plant and
equipment. In addition, most equipment is designed to allow access for cleaning, repair or replacement, so as long as the substrate of the original equipment is not compromised through excessive wear or corrosion, then it can continually be repaired in situ.
Reuse by re-plating Even if the substrate is compromised, then, by utilising Kingfisher’s engineering operatives, be it on or off site, it can be brought back to a suitable working condition for reuse by re-plating incorporating suitable surface preparation and protection. An additional benefit of repairing in situ is that it
removes major requirements for expensive plant hire, including lifting equipment and specialist personnel to remove and replace. Te case for repair rather than replacement was underlined recently in an application undertaken by Kingfisher for a major power generator on Braithwaite tanks that held cooling water containing highly abrasive ash. Te tanks were 30-years old and considered past their life expectancy. However, as an alternative to costly replacement, Kingfisher consulted with the end user’s facilities management contractor and put forward a proposal for refurbishment.
Structural NDT inspection Te proposal involved Kingfisher in undertaking a structural NDT inspection, mechanical refurbishment activities and lining of the tanks with the company’s K-ALOX ceramic lining system to protect against erosion and corrosion internally. Te alternative to Kingfisher’s proposal was both difficult and costly. It involved stripping out the old tanks, which are made up of multiple panels approx 4ft square, removing the structures from 200ft up inside the station, and then undertaking the lifting, fitting and commissioning activities associated with fitting the new tanks and connecting of the ancillary feed and discharge pipework. “We have a tremendous amount of experience of supplying and installing wear protection systems in the power generation market,” commented Kingfisher MD, John Connolly. “Tis was instrumental in our proposing a refurbishment strategy for the Braithwaite tanks project. Te effectiveness of the strategy can be judged from the fact that it cost just one-quarter of the alternative of replacing the old tanks with new units.” Kingfisher is a leading specialists in plant protection systems and provides wear resistant lining solutions for bulk materials handling applications around the globe. From coal and aggregate handling systems, to metal and mixed material recycling machinery, Kingfisher can engineer, design, manufacture and install process plant and equipment used to convey, store or handle virtually any bulk materials. ●
FFig. 2. K-ALOX ceramic lined slag granulator break box, the effectiveness of the strategy can be judged from the fact that it cost less than the alternative of replacing the old break boxes with new units and it will outperform the OEM’S design by a factor of 6 to 1.
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