Pad welding and window welds are techniques that are commonly used for emergency repairs of damaged tubes during unscheduled shutdowns. During subsequent scheduled outages, tube sections with these temporary repairs should be cut out of the boiler and replaced with new tubes. Some plants have left these areas in the furnace for long periods of time and subsequent damage and secondary failures have occurred. This paper provides evidence to support removal of pad welds and other types of temporary repairs from a boiler during routine outages.
Get Rid of Those Pad Welds and Other Temporary Repairs
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Bartholomew, RD, Labuda, EM, & Roberts, GH. "Get Rid of Those Pad Welds and Other Temporary Repairs." Proceedings of the ASME 2004 Power Conference. ASME 2004 Power Conference. Baltimore, Maryland, USA. March 30–April 1, 2004. pp. 151-154. ASME. https://doi.org/10.1115/POWER2004-52030
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