核主泵机械密封辅助密封圈受力摩擦性能仿真分析

Modern Manufacturing Technology and Equipment(2019)

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Abstract
国内某核电厂在近几次大修过程中,发现机械密封每一级的插入环上均存在与其接触辅助密封环微动磨损痕迹,这可能是造成机械密封压力不稳定的主要原因.通过对辅助密封圈与配对沟槽的受力有限元计算和辅助密封圈摩擦磨损测试分析,给出了辅助密封圈卡涩原因和润滑不足的边界条件,为解决核电厂主泵机械密封压力不稳定的问题提供了一定指导意义.
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