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1 概述管道在石油、石化、能源、制药和城建等行业的各种工质运输中,起着主要作用,已经被认同为继交通、通讯以及电网之后的第四网络。随着管道网络的迅速发展,管道的事故也频繁不断,根据其多年来管道的事故分析,腐蚀造成的管体金属蚀失是主要原因。目前,用来检测
1 Overview Piping plays a major role in transporting various types of refrigerants in the petroleum, petrochemical, energy, pharmaceutical and urban construction industries and has been identified as the fourth network following transportation, communications and power grids. With the rapid development of pipeline network, pipeline accidents are frequent, according to its many years of pipeline accident analysis, the corrosion caused by corrosion of the pipe body is the main reason. Currently used to detect