防城港核电站核二级安全壳热量导出泵机械密封研制

摘要

文章总结了一种新型研制的压水堆核电站核二级安全壳热量导出泵用机械密封的研制情况,从设计输入、条件分析、方案选型等方面进行了详细的介绍.其中对热备用工况下,影响机械密封及其辅助系统的温度分布规律进行了研究,以指导机械密封的优化设计,降低了机械密封腔体温度,提高了机械密封的可靠性和使用寿命.%This article summarizes the development situation of a new development mechanical seal for containment heat removal pump of FCG Nuclear Power Plant, introduces the design entry, conditions, program selection and other aspects in detail, and does the finite element analysis of hot standby condition, and study the influence of mechanical seal auxiliary system and temperature distribution, guiding the opti-mization design of mechanical seal, reducing the temperature of the mechanical seal cavity, and improving the reliability and service life of mechanical seal.