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Flow-Accelerated Corrosion 2016 International Conference

机译：流动加速腐蚀国际会议2016

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The paper discusses materials and results of the most representative world forum on the problems of flow-accelerated metal corrosion in power engineering-Flow-Accelerated Corrosion (FAC) 2016, the international conference, which was held in Lille (France) from May 23 through May 27, 2016, sponsored by EdF-DTG with the support of the International Atomic Energy Agency (IAEA) and the World Association of Nuclear Operators (WANO). The information on major themes of reports and materials of the exhibition arranged within the framework of the congress is presented. The statistics on operation time and intensity of FAC wall thinning of NPP pipelines and equipment in the world is set out. The paper describes typical examples of flow-accelerated corrosion damage of condensate-feed and wet-steam pipeline components of nuclear and thermal power plants that caused forced shutdowns or accidents. The importance of research projects on the problem of flow-accelerated metal corrosion of nuclear power units coordinated by the IAEA with the participation of leading experts in this field from around the world is considered. The reports presented at the conference considered issues of implementation of an FAC mechanism in single- and two-phase flows, the impact of hydrodynamic and water-chemical factors, the chemical composition of the metal, and other parameters on the intensity and location of FAC wall thinning localized areas in pipeline components and power equipment. Features and patterns of local and general FAC leading to local metal thinning and contamination of the working environment with ferriferous compounds are considered. Main trends of modern practices preventing FAC wear of NPP pipelines and equipment are defined. An increasing role of computer codes for the assessment and prediction of FAC rate, as well as software systems of support of the NPP personnel for the inspection planning and prevention of FAC wall thinning of equipment operating in single-and two-phase flows, is accepted. Different lines of attack on the problem of FAC of pipelines and equipment components of existing and future nuclear power units are reviewed. Promising methods of nondestructive inspection of pipelines and equipment are presented.
机译：本文讨论了有关动力工程中流动加速金属腐蚀问题的最具代表性的世界论坛的材料和结果-2016年流动加速腐蚀（FAC）国际会议，该会议于5月23日至9月在法国里尔举行。 2016年5月27日，由EdF-DTG赞助，得到了国际原子能机构（IAEA）和世界核操作员协会（WANO）的支持。介绍了在大会框架内安排的有关主要报告主题和展览资料的信息。列出了世界上核电厂管道和设备FAC壁薄化的运行时间和强度的统计数据。本文介绍了导致强制关闭或发生事故的核电厂和热电厂凝结水进料和湿蒸汽管道部件流动加速腐蚀损坏的典型示例。人们认为，在国际原子能机构的协调下，在世界各地该领域的领先专家的参与下，有关核动力装置的流动加速金属腐蚀问题的研究项目的重要性。会议上提交的报告考虑了在单相和两相流中实施FAC机制的问题，流体动力和水化学因素的影响，金属的化学成分以及其他参数对FAC强度和位置的影响减少管道组件和电力设备中局部区域的壁厚。考虑了局部和通用FAC的特征和模式，这些特征和模式会导致局部金属变薄以及工作环境被铁质化合物污染。定义了现代实践的主要趋势，这些趋势防止了NPP管道和设备的FAC磨损。人们接受了越来越多的计算机代码来评估和预测FAC速率，以及支持NPP人员进行检查计划和防止单相和两相流运行的设备的FAC壁变薄的软件系统的作用。 。审查了对现有和未来核电机组的管道和设备组件的FAC问题的不同攻击方式。提出了管道和设备无损检测的有前途的方法。

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