Putting a Stop to Recovery Boiler Tube Pad Welding
By Integrated Global Services Inc IGS
After changing the way they operated the boiler, the mill started to see corrosion within a 2ft to 3ft band
area just above the lower furnace’s composite tubes. The mill has been scaffolding to repair thickness loss with W/O pad welds with 18-month outage cycles. Exact wastage was typically 8mils to 14mils per year