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阀芯卡紧是滑阀常见的故障,泄漏量过大也会对滑阀的工作性能产生影响.合理设计阀芯阀体的配合间隙,在阀芯上开设适当数量的均压槽,可以有效避免阀芯产生卡紧,同时获得较小的泄漏量.文章运用Fluent软件对60mm通径滑阀的缝隙流场进行仿真,结合试验研究,分析了均压槽对滑阀径向不平衡力和泄漏量的影响,评估了滑阀间隙密封结构,可为类似大通径滑阀的设计研发提供参考.
Spool valve spool valve is a common failure, the amount of leakage will have an impact on the performance of the spool valve. Reasonable design of the valve body with the gap, the valve core to open the appropriate number of pressure tank, can be effective To avoid the valve spool jamming, at the same time to obtain a smaller amount of leakage.This paper uses Fluent software to simulate the gap flow field of the 60mm diameter spool valve, combined with the experimental study, analysis of the pressure groove on the spool unbalanced force and Leakage of the impact of evaluating the slide valve clearance seal structure for similar large-diameter slide valve design and development provide a reference.