Seeking help in dealing with sand holes in the straight section at the discharge port of a pressure vessel
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One of our alkali washing tanks has experienced corrosion and thinning in the straight section at the outlet where the oil product exits after alkali washing; pitting has also occurred. Operations have been halted for maintenance. What is the appropriate approach to deal with this pressure vessel, given that its design pressure is 21 kilograms and its operating pressure is 18 kilograms?
Replace the leaking and thinned sections, and recheck the thickness measurement. Maintenance of pressure-bearing parts must be reported.