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STUDY ON THE RELIABILITY IMPROVEMENT OF A MECHANICAL SEAL FOR THE PRIMARY LOOP RECIRCULATION PUMPS (PLR PUMP)

机译:主环路再循环泵机械密封的可靠性改进研究(PLR泵)

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Primary Loop Recirculation pump (PLR pump) for Boiling Water Reactor (BWR) uses a mechanical seal as a shaft seal device, which the seal material is made of a ceramic. Recently, a new ceramic suitable as a seal material has been developed. We will explain about the introduction of the material to a mechanical seal for the PLR pump. First, we checked the material characteristics of the ceramic. Next, we carried out the abrasion acceleration test at the mechanical seal test facility for PLR pump, and performed an analysis of seal face deformation for the applied ceramic. Then, we performed a full scale test that simulated the operation pattern of the PLR pump. As a result, we confirmed that the new ceramic property suits for the use as a mechanical seal for the PLR pump.
机译:用于沸水反应器(BWR)的主要环路再循环泵(PLR泵)使用机械密封作为轴封装置,密封材料由陶瓷制成。最近,已经开发出一种适合作为密封材料的新陶瓷。我们将向PLR泵的机械密封介绍材料。首先,我们检查了陶瓷的材料特征。接下来,我们在PLR泵的机械密封试验设施下进行了磨损加速试验,并对应用陶瓷进行了密封面变形进行了分析。然后,我们进行了一种模拟PLR泵的操作模式的全级测试。因此,我们确认新的陶瓷属性适用于PLR泵的机械密封。

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