Circulating fluidized bed power plant boiler
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The water wall tubes of circulating fluidized bed power plant boilers become thinner due to wear and need to be replaced. Welders must meet the requirements for pressure welding; is it necessary for tube fitters to have a relevant certification? ? ? ?
It must be inspected and repaired by qualified units; no matter how skilled the welders and plumbers in our own company are, they cannot handle it casually.
The construction company certainly has the necessary qualifications; the problem is that it was discovered during the construction process that the plumbers did not have the required licenses, while the welders did have all the necessary certifications