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STRATEGIES TO PREVENT CORROSION UNDER INSULATION IN PETROCHEMICAL INDUSTRY PIPING

机译:石油化工管道绝缘中防止腐蚀的策略

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Corrosion Under Insulation (CUI) in piping systems consumes a significant percent of themaintenance budget in the petrochemical industry. A large portion of this money is spent onexpense items such as external piping inspection, insulation removal and re-installation,painting and pipe replacements. CUI Prevention Strategies provide long term and reliableprevention of CUI that move towards 'inspection-free; maintenance-free' piping systems andsignificant maintenance cost reductions. Prevention of CUI by the use of (1) thermal sprayaluminum, (2) stainless steel pipe, (3) expanded metal cages for personnel protection insteadof insulation and (4) aluminum foil wrapping are discussed in terms of long term protectionpotential, initial installed cost and Life cycle cost.
机译:管道系统中的绝缘腐蚀(CUI)消耗了石油化工行业很大一部分的维修预算。这笔钱的很大一部分花在了费用项目上,例如外部管道检查,隔热层的拆卸和重新安装,油漆和管道更换。 CUI预防策略可长期可靠地预防CUI朝着“无检查”的方向发展。免维护的管道系统,显着降低了维护成本。通过长期保护潜力,初始安装成本等方面讨论了通过使用(1)热喷涂铝,(2)不锈钢管,(3)用于保护人员而不是绝缘的金属网笼和(4)铝箔包裹来预防CUI和生命周期成本。

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