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针对将水力驱动控制棒系统应用于可移动海水淡化装置时可能会遇到的失重、超重等问题,该文模拟装置以不同方式变速上升或下降较大距离,建立理论模型分析控制棒的运动特性。通过对计算结果进行分析,得出不同温度、流量下水力驱动控制棒系统不出现异常提棒现象的临界加速度。结果表明,对于200MW低温核供热堆装置,可移动海水淡化装置的上升和下降加速度均应小于0.112g。
In view of the problems such as weight loss and overweight which may be encountered when the hydraulic control rod system is applied to a portable seawater desalination device, the simulation device varies in different ways to rise or fall by a large distance, and a theoretical model is established to analyze the movement characteristics of the control rod . Through the analysis of the calculation results, the critical accelerations of abnormal rod-lifting phenomenon of hydraulic control rod system under different temperature and flow rates are obtained. The results show that for 200MW low temperature nuclear reactor installations, the moving seawater desalination unit should have an acceleration of less than 0.112g.