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Integration of LiPb loops for WCLL BB of European DEMO
Fusion Engineering and Design ( IF 1.9 ) Pub Date : 2021-02-24 , DOI: 10.1016/j.fusengdes.2021.112379
Rocco Mozzillo , Marco Utili , Alessandro Venturini , Amelia Tincani , Curt Gliss

The eutectic alloy Lithium Lead (LiPb) enriched at 90 % in 6Li is the breeder material for one of the candidate European Breeding Blanket (BB) concepts. Currently under investigation for DEMO reactor, the Water Cooled Lithium-Lead (WCLL), and for the WCLL Test Blanket Module (TBM) that will be qualified in the ITER reactor. The LiPb alloy is used as tritium breeder, neutron multiplier and tritium carrier. The design of the LiPb loops is currently under study and the conceptual design of the main loop components has been completed. For this reason, it becomes mandatory to proceed with the integration of the LiPb loops in the EU DEMO Tokamak building, checking the consistency of the different systems design to be integrated in DEMO reactor building. CAD design and integration of the entire LiPb loops are shown taking into account the building areas assigned, the interfaces with the other systems and the requirement related to the LiPb loop functions. An initial layout of the pipework and the position of the main components have been defined on the basis of the following design requirements: (I) gamma radiation shielding of the components and the pipework; (II) target flow velocity of the LiPb; (III) thermal expansion of the pipes; (IV) possibility to drain the entire loop; (V) redundancy of the loops; (VI) remote maintenance; (VII) position in the building and dimensions of the storage tanks. The 3D model of the entire loops has been provided and integrated in DEMO Tokamak building pointing out the issues related to the interfaces with the other systems and with the building itself.



中文翻译:

用于欧洲DEMO WCLL BB的LiPb回路的集成

共晶合金锂铅(LiPb)在6中富集90%李是候选欧洲育种毯(BB)概念之一的育种材料。目前正在对DEMO反应堆,水冷锂铅(WCLL)和将在ITER反应堆中合格的WCLL测试毯模块(TBM)进行研究。LiPb合金用作tri增殖剂,中子倍增器和tri载体。LiPb回路的设计目前正在研究中,主要回路组件的概念设计已经完成。因此,必须在欧洲DEMO Tokamak大楼中进行LiPb回路的集成,并检查要集成在DEMO反应堆大楼中的不同系统设计的一致性。显示了CAD设计和整个LiPb回路的集成,并考虑了分配的建筑面积,与其他系统的接口以及与LiPb循环功能有关的要求。管道的初始布局和主要部件的位置已根据以下设计要求进行了定义:(I)部件和管道的伽马辐射防护;(II)LiPb的目标流速;(三)管道的热膨胀;(IV)耗尽整个循环的可能性;(V)回路的冗余;(六)远程维护;(七)在建筑物中的位置和储罐的尺寸。已提供了整个回路的3D模型并将其集成到DEMO Tokamak建筑物中,指出与其他系统以及建筑物本身的接口有关的问题。管道的初始布局和主要部件的位置已根据以下设计要求进行了定义:(I)部件和管道的伽马辐射防护;(II)LiPb的目标流速;(三)管道的热膨胀;(IV)耗尽整个循环的可能性;(V)回路的冗余;(六)远程维护;(七)在建筑物中的位置和储罐的尺寸。已经提供了整个回路的3D模型,并将其集成到DEMO Tokamak建筑物中,指出与其他系统以及建筑物本身的接口有关的问题。管道的初始布局和主要部件的位置已根据以下设计要求进行了定义:(I)部件和管道的伽马辐射防护;(II)LiPb的目标流速;(三)管道的热膨胀;(IV)耗尽整个循环的可能性;(V)回路的冗余;(六)远程维护;(七)在建筑物中的位置和储罐的尺寸。已提供了整个回路的3D模型并将其集成到DEMO Tokamak建筑物中,指出与其他系统以及建筑物本身的接口有关的问题。(IV)耗尽整个循环的可能性;(V)回路的冗余;(六)远程维护;(七)在建筑物中的位置和储罐的尺寸。已提供了整个回路的3D模型并将其集成到DEMO Tokamak建筑物中,指出与其他系统以及建筑物本身的接口有关的问题。(IV)耗尽整个循环的可能性;(V)回路的冗余;(六)远程维护;(七)在建筑物中的位置和储罐的尺寸。已经提供了整个回路的3D模型,并将其集成到DEMO Tokamak建筑物中,指出与其他系统以及建筑物本身的接口有关的问题。

更新日期:2021-02-24
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