Fusion - The Breeding Blanket
The crucial step to the first fusion reactor
Exhibitors
Location
Hall 11, Stand B06
Description
The tritium breeding blanket (TBB) is the heart of every nuclear fusion reactor powered by deuterium and tritium. Deuterium is abundant in nature, occurring in water sources at a concentration of approximately 150 ppm. Tritium, on the other hand, is almost never found naturally. Therefore, every reactor that operates with these two fusion fuels must produce its own tritium. This is one of the most important functions of the TBB. The Institute of Neutron Physics and Reactor Engineering (INR) at KIT leads German and European TBB development.
The energy of the fast neutrons in the TBB is used not only to produce the fuel tritium but also to generate high-quality heat. Several TBB concepts are being pursued within the EUROfusion consortium. However, the so-called Helium-Cooled Pebble Bed (HCPB) serves as the reference for a future nuclear fusion power plant. Core components of the HCPB TBB are the pin monoblock and the fuel-breeder pins, which contain lithium oxide ceramic spheres for tritium production, as well as lead-containing containers to multiply the neutrons.
Product groups
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Contact
Karlsruher Institut für Technologie (KIT)
- Kaiserstr. 12
- 76131 Karlsruhe
- Germany
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