Repair welding method for waterwall tubes

Details Repair welding method for waterwall tubes Repair welding method for waterwall tubes

B - Operations, Transporting

23

K

B23K 33/00 (2006.01) B21D 3/16 (2006.01) B23P 6/04 (2006.01) F16L 55/16 (2006.01)

Patent

CA 2687885

A method for performing repair to a length of water-wall tubing (15) calls for aligning a substitution sleeve (30) in the length, welding an upper internal portion (40) and a lower internal portion of the sleeve to the water-wall tubing (15); placing an upper (32) and a lower element into a respective cutback (31) of the sleeve; and welding an upper (50) external portion and a lower external portion of the sleeve to the respective elements and the water-wall tubing (15) to repair the sleeve.

L'invention concerne un procédé de réparation d'une longueur de tuyauterie d'eau formant mur (15). Le procédé consiste à aligner un manchon de substitution (30) dans la longueur, souder une partie interne supérieure (40) et une partie interne inférieure du manchon à la tuyauterie d'eau formant (15) ; mettre en place un élément supérieur (32) et un élément inférieur dans une découpe respective (31) du manchon ; et souder une partie externe supérieure (50) et une partie externe inférieure du manchon aux éléments respectifs et à la tuyauterie d'eau formant mur (15) pour réparer le manchon.

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