Discuss for the inspection and maintenance of stray current interfered Pipeline
The check & maintenance method for stray current interfered Ningbo aviation fuel pipeline was introduced. From the PCM inspect result; the outer coating quality was excellent and no default was founded as for the quick respond stray current drainage. The pipe to earth potential inspects indicate that the Metro line 2# brings new interference and new drainage should be applied. In the strong corrosive soil environment, the stray current interfered underground pipelines should raise the inspect frequency to reduce the risk of leakage. In addition, the standards of metro industry are inferior to the new national standards, the feasible resolution to this confliction is proposed for discussion.
NETL
NSTL
万方数据
维普
