Course
Heat Exchange Tube Repair Training Course
Introduction
- Heat exchanger overview
- Tubes
- Tube to tubesheet joints
- Causes of leakage
Inspection and Testing
- Leak detection
- Leak location
- Tube survey techniques
- Eddy current
- Magnetic flux leakage testing
- Ultrasonic - Record keeping
Pre-Repair Considerations
- Evaluation of root cause of leak
- Planning a successful repair
- Avoid common mistakes
Tube Re-Expansion
- Expansion overview
- Re-expansion considerations
- Expansion techniques
- Expansion pitfalls
- Alternative to expansion
Tube End Welding
- Welding overview
- Welding considerations
- Welding procedures
Tube Plugging
- Plugging considerations
- Tube plug types
- Taper plugs
- Welded plugs
- Removable plugs
- Explosive plugging
- Proprietary systems - Plug selection
- Supporting failed tubes
- Installation procedures
- Safety considerations
Tube Sleeves
- Sleeving considerations
- Types of sleeve
- Installation procedures
Re-Tubing
- Re-tube vs replace
- Tooling for tube removal
- Re-tubing procedures
Selection of Repair Technique
- Comparison of techniques
- Factors in decision making
Avoiding Future Leaks
- Addressing root causes
- Planning ahead
- Design improvements
Repair Solutions for:
- Steam surface condensers
- Feedwater heaters
- Power plant shell & tube exchangers
- Condensate coolers
- Component cooling water exchangers
