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我国东北某铁路分局机务段新建的地下油库系统管线,因施工质量问题造成投用后即出现管线焊缝裂纹和砂眼泄漏.又因设计缺陷,管线走向和阀门安装不合理,无法控制泄漏部位,致使油料流失造成经济损失,还严重污染环境.此地下贮油罐建于10余米高的山岗上,输出管线通往数10米外的铁路线边沿后注入内燃机车.管径为51和127mm两种规格,介质为柴油,输油压力为0.6MPa,泄漏部位均在焊缝上,有10余处,裂纹宽度为0.5mm左右,长度在20～50mm之间,砂眼直径约1mm,纯系焊接质量欠佳所致.曾用玻璃布直接缠绕堵
The new underground pipeline system pipeline in the locomotive depot of a certain railway branch in northeastern China resulted in pipeline weld cracks and trachoma leakage after it was put into operation due to construction quality problems.It was unable to control the leakage due to design defects, pipeline orientation and valve installation unreasonable, Resulting in loss of oil caused economic losses, but also a serious pollution of the environment.This underground storage tank built in 10 meters high hills, the output of the pipeline leading to several 10 meters outside the railway line into the diesel locomotive diameter of 51 and 127mm two specifications, the medium is diesel, the oil pressure is 0.6MPa, leakage parts are in the weld, there are more than 10, the crack width of about 0.5mm, the length of 20 ~ 50mm, trachoma diameter of about 1mm, pure Department of welding caused by poor quality. Glass cloth was used directly wound plug