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Tritium management in HCLL-PPCS model AB blanket

机译:HCLL-PPCS AB型毯子中的管理

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When dealing with activities related to the design and optimisation of the Helium Cooled Lithium Lead (HCLL) blanket, doubts arose in the past about the technical feasibility of the tritium processing system. The questionable feasibility was due to the heavy performance requirements for different tritium processing subsystems, mainly consequence of the high tritium permeation rate from the breeding blanket into the main cooling circuit, which was claimed as an intrinsic characteristic of such a blanket concept. This was directly related to the supposed very low tritium solubility in the liquid lead lithium in eutectic composition.rnRecent data on the hydrogen-PbLi Sieverts' constant achieved at ENEA CR Brasimone are one order of magnitude higher than those so far assumed as reference. Because of the consequent much lower tritium permeation rate from the liquid metal into the primary cooling circuit, the performance requirements for the main tritium processing subsystems/technologies in HCLL blanket for PPCS reactor are significantly relaxed.rnNevertheless, further efforts have to be focused in lowering the required Coolant Purification System (CPS) feed flow-rate which still remains the most critical tritium processing subsystems.
机译:在处理与氦冷却锂铅(HCLL)覆盖层的设计和优化有关的活动时,过去对about处理系统的技术可行性产生了疑问。可行性存疑是由于不同的t处理子系统对性能的要求很高,主要是由于from从繁殖毯进入主冷却回路的渗透率很高,据称这是这种毯概念的固有特征。这与认为在共晶成分中液态铅锂中very的溶解度很低直接相关。rn在ENEA CR Brasimone上获得的氢-PbLi Sieverts常数的最新数据比迄今为止的参考数据要高一个数量级。由于从液态金属到初级冷却回路的tri渗透率大大降低,因此大大放宽了PPCS反应器HCLL橡皮布中主要tri处理子系统/技术的性能要求。然而,仍需集中精力进一步降低所需的冷却液净化系统(CPS)进料流速仍然是最关键的tri处理子系统。

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