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管道输送气体和液体在石油化工、油气储运和城市供水、供气中得到广泛应用。但由于存在常规损坏和人为损坏,易引起管道泄漏和阀门、法兰等管道附属部位的泄漏。一旦发生管道泄漏事故,不但影响管道的正常运行,造成资源浪费和经济损失,而且,由于石油化工行业中的输送产品大多具有易燃、易爆、腐蚀、毒性等多种危害性,还可能造成火灾、爆炸、中毒、伤亡等恶性事故。
Piping gas and liquid in the petrochemical industry, oil and gas storage and transportation and urban water supply, gas supply is widely used. However, due to the existence of conventional damage and man-made damage, easily lead to pipeline leaks and valves, flanges and other subsidiary pipeline leaks. In the event of a pipe leakage accident, not only affect the normal operation of the pipeline, resulting in waste of resources and economic losses, but also due to the petrochemical industry most of the products are flammable, explosive, corrosion, toxicity and other dangers may also result Fire, explosion, poisoning, casualties and other serious accidents.