Balance of plant conceptual design of EU DEMO integrating different breeding blanket concepts

The European DEMO is considered the nearest-term fusion reactor with the aim to generate several hundred MWs of net electricity, operate with a closed tritium fuel-cycle (achieving the tritium self-sufficiency) and qualify technological solutions for a Fusion Power Plant. Two Breeding Blanket (BB) concepts - relying on different cooling and breeding technologies - are considered for the baseline design: the Helium Cooled Pebble Bed (HCPB) BB and the Water Cooled Lithium Lead (WCLL) BB. The selection of the BB type has a strong impact on the whole DEMO plant design and, in particular, on the Balance of Plant (BoP). The aim of the present work is to investigate a possible concept design of the BoP accommodating two different BB. A flexible tool made with Matlab (R) was developed to study this configuration and allows to propose several uses of the heat fluxes.