A welding repair method

Abstract

The invention discloses a soldering method. The soldering method includes the following steps that step 1, a jacket and a steel ball with a handle are placed into a forming cover in advance, wherein the steel ball with the handle is arranged in the jacket; step 2, asbestos ring strips are embedded into a square groove in the bottom of the forming cover evenly, and the container wall leakage portion is used as the center; step 3, welding (packaging full weld) operation is carried out on the container wall leakage portion; step 4, the steel ball with the handle is pushed downwards and out of the jacket by a hard object after the full weld between the bottom edge of the forming cover and the container wall is finished, then jacket is pulled out of the forming cover, the steel ball handle is pulled in the forming cover circular upper opening direction till the opening is stressed and sealed; step 5, the upper opening of the forming cover is packaged and welded in the full weld mode. Furthermore, the welding in the step 3 is the package full weld. The soldering method is convenient to operate, leaked points can be repaired and leakage can be stopped in short time under the precondition that shutdown or pressure reduction on a gas container and a liquid container is not needed.

Description

[0001] 【Technical field】 [0002] The invention relates to the field of mechanical structures, in particular to a welding repair method. [0003] 【Background technique】 [0004] With the continuous increase of the running time of some containers and pipelines, the aging of the material is becoming more and more serious. After cracks or sand holes appear on the surface, they leak in a spray shape. Due to the pressure in the container, it is impossible to directly repair the purpose by electric welding. It will only get bigger and bigger. At present, for the sealing and emergency repair of trachoma and cracks on the surface of gas and liquid containers, one is to use the stop medium, twist and press or add plugs to prevent leakage, and then add arc plate welding or fixtures to achieve the purpose of plugging . Usually leakage is caused by reasons such as corrosion, cracking, stress deformation, etc., so the sealing effect of this method is generally difficult to be effective. ...

AI Technical Summary

Problems solved by technology

Although the existing plugging method is feasible, it is easy to cause damage to mechanical equipment. On the other hand, this method is not safe. If the pressure changes, the plug may be ejected by force, resulting in a vicious accident.

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