| 摘要 |
PROBLEM TO BE SOLVED: To provide a repair device for welding part in a tank capable of tentatively repairing welding part in a tank with a complicated shape. SOLUTION: A nuclear fuel storage water tank 1 is formed on the side with concrete 2, and on the surface part, an inner liner 4 connected at the seam of stainless steel plates by welding 3 is installed. Along the vertical wall surface of the inner liner 4, the welding part repair device 6 is arranged. The welding part repair device 6 is provided with a press device 7 and a manipulator 8 capable of moving the press device 7 up and down, and left and right. The press device 7 can repair a welding part by fixing the press device 7 with suction force of provided suckers and pressing with a cylinder and piston using attaching plate and spread bonding agent.
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