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压力管道作为一种特殊设备广泛存在于石油、化工、冶金、电力及城市燃气和供热行业。这些管道作为连接生产装置的动脉,大多输送高温、高压、易燃、易爆、剧毒和强腐蚀性介质,工作的可靠性对整个生产系统的安全至关重要。1 我国压力管道安全状况十分严峻压力管道是危险性较大的设备,经常发生介质泄漏及爆炸事故,即使工业发达国家,管道事故也占很大比例。有资料介绍,世界石化工业100起直接经济损失
Pressure pipe as a special equipment widely exists in the petroleum, chemical, metallurgy, electric power and urban gas and heating industries. As the arteries connected to the production facilities, these pipes mostly convey high-temperature, high-pressure, flammable, explosive, highly toxic and corrosive media. The reliability of work is crucial to the safety of the entire production system. 1 China’s pressure pipeline safety situation is very serious pressure pipeline is a dangerous equipment, frequent media leaks and explosions, even in industrialized countries, pipeline accidents also account for a large proportion. Data have been introduced, the world’s petrochemical industry 100 direct economic losses