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

摘要

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.