Field welding method for wall boards of steel lining of nuclear power plant
A steel lining, nuclear power plant technology, applied in arc welding equipment, welding equipment, manufacturing tools, etc., can solve the problems of difficult to guarantee welding quality, large welding workload, poor working conditions, etc., to improve welding quality and efficiency, and installation time. The effect of shortening, improving ergonomics and quality
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[0033] Example one
[0034] The on-site welding method for steel lining wall panels of nuclear power plants in this embodiment adopts a tungsten argon arc welding machine and performs the following steps:
[0035] 1) Assemble and align the steel-lined siding 104 in place through tooling. Specifically, as shown in Figures 1 and 2, the tooling used in this embodiment is the guide plate 101, buttress 102, spectacle plate 103, wedges 105 and pin 106. First, the spectacle plate 103, wedge 105 and pin 106 are hoisted Fix the buttress column 102 on the large angle steel 107 of the next layer of steel-lined siding; then group and spot weld a pair of guide plates 101 on the upper mouth of the next layer of siding at a circumferential interval of about 1m; finally, hoist the steel-lined siding 104, The upper and lower steel lining wall panels 104 are close to each other through the guide plate 101, and are aligned in position by the buttress column 102, the spectacle plate 103, the angle st...
Example Embodiment
[0048] Example two
[0049] The on-site welding method of the steel lining wall panel of the nuclear power plant of this embodiment is basically the same as that of the first embodiment. The difference is: the main welding process parameters of the automatic full welding in step 3) are different, as shown in Table 2:
[0050] Table 2
[0051]
Example Embodiment
[0052] Example three
[0053] The on-site welding method of the steel lining wall panel of the nuclear power plant of this embodiment is basically the same as that of the first embodiment. The difference is: the main welding process parameters of the automatic full welding in step 3) are different, as shown in Table 3:
[0054] table 3
[0055]
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