Since the gas pipeline of Handan has operated for many years, a lot of problems have appeared such as corrosion damage, anticorrosive coating aging metamorphism and gas leakage.

• 摘要邯郸市煤气管网经过20多年的运行已进入了事故多发期，出现了腐蚀漏气、防腐层老化变质等问题，因此必须对全市煤气管网进行全面的腐蚀情况普查和安全性分析。