Process for the repair of at least one connecting area between a partition plate and a tube plate of a water chamber of a heat exchanger
US7896220B2 · kind B2 · utility
0Cited by
26References
4Claims
0Family size
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Inventors
Key dates
| Filing date | Dec 28, 2006 |
| Grant date | Mar 1, 2011 |
| Priority date | — |
| Expiry date | Oct 6, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/531
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
The invention relates to a process for repairing at least one connecting area between a partition plate (8) and a tube plate (5) of a water chamber (7) of a heat exchanger (1), in which process the area of weld requiring repair is identified, at least one rail (11) is inserted into the water chamber, the said rail (11) is attached below the tube plate (5), a robot arm (20) is inserted, the robot arm is hoisted within the water chamber, the robot arm is remotely controlled, the connecting area requiring repair is machined and a check is made to ensure that cracks have been eliminated from the repaired area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.