How to repair the binding region of at least one between the tube plate and the partition plate in the water chamber of the heat exchanger

摘要

PROBLEM TO BE SOLVED: To provide a process for repairing at least one connecting area between a partition plate and a tube plate of a water chamber of a heat exchanger.;SOLUTION: In the process for repairing at least one connecting area between the partition plate 8 and the tube plate 5 of the water chamber 7 of the heat exchanger 1, an area of weld requiring repair is located, at least one rail 11 is inserted into the water chamber and attached below the tube plate, a robot arm 20 is inserted, hoisted within the water chamber and remotely controlled, the connecting area requiring repair is machined, and a checkup is made to ensure that cracks have been eliminated from the repaired area.;COPYRIGHT: (C)2007,JPO&INPIT