Boiler Repair
Integrated paper mill · Gujarat
Water tube boiler, 45 TPH, 18 years old
- Problem
- Repeat water wall tube leaks forcing unplanned trips roughly every six weeks
- Constraint
- No standing shutdown window — repairs done during 18-hour planned trips only
- Scope executed
- Multi-tube water wall section replacement
- In-situ NDT to rule out adjacent tube thinning
- Refractory patch repair around the affected zone
- Outcome
- Zero unplanned trips in the following two quarters; boiler returned to service within the 18-hour window each time
- Documentation delivered
- NDT records
- Material test certificates
- Welder qualification records
- Duration
- 18 hrs per trip, 3 trips
- Team size
- 6 technicians, 1 site engineer