The “L”“T” type joints of P208 pump oil warm-up pipeline were scoured by the vortexing,and the evorsion led to crack in weld.
分析了炼油装置P2 0 8泵预热油浆管线L、T型接头的涡流冲蚀导致焊缝开裂泄漏的原因 ,提出了工艺结构改进措
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