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为提高反应堆压力容器(RPV)的安全性、简化和缩短反应堆在运行期间的检查,要求反应堆部件大型化和整体化。本文论述室兰制作所制造的整体锻造的沸水堆压力容器的底封头及其特性。图1为原设计的底封头和改进设计后的整体构造的底封头的示意图。
In order to improve the safety of reactor pressure vessels (RPVs), simplify and shorten the inspection of reactors during operation, reactor components are required to be larger and more integrated. This article discusses the bottom seal and its characteristics of a monolithic forged boiling water reactor pressure vessel manufactured by Muroran. FIG. 1 is a schematic diagram of the original design of the bottom seal and the bottom seal of the overall design after the improvement of the design.