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天然气的主要运输方式是管道运输。在用管道运输天然气过程中,会遇到比较复杂的地形、恶劣的天气等情况。这些都会在某种程度上增加天然气管道被腐蚀的概率。天然气的腐蚀失效会引发天然气泄漏,浪费了油气资源,甚至会引发爆炸等事故,造成人员伤亡。因此,如何有效防止管道腐蚀,是天然气管道进行正常输送的前提条件。本文简要阐述了天然气管道腐蚀的现状,然后从内部和外部的角度分析天然气管道腐蚀的原因。最后从不同的角度提出防腐保护措施,以期帮助天然气实现合理、安全的输送。
The main mode of transportation of natural gas is pipeline transportation. During the pipeline transportation of natural gas, it will encounter more complex topography, bad weather and so on. These will to some extent increase the probability of corrosion of natural gas pipelines. Natural gas corrosion failure will lead to natural gas leaks, waste of oil and gas resources, and even lead to explosions and other accidents, resulting in casualties. Therefore, how to effectively prevent pipe corrosion is the prerequisite for the normal transportation of natural gas pipelines. This article briefly describes the status quo of natural gas pipeline corrosion and then analyzes the causes of natural gas pipeline corrosion from both internal and external perspectives. Finally, from different angles proposed corrosion protection measures, with a view to helping natural gas to achieve reasonable and safe delivery.