| 摘要 |
PCT No. PCT/DE96/02365 Sec. 371 Date Jun. 9, 1998 Sec. 102(e) Date Jun. 9, 1998 PCT Filed Dec. 6, 1996 PCT Pub. No. WO97/22973 PCT Pub. Date Jun. 26, 1997The invention relates to a pebble bed reactor comprising a core cavity filled with spherical fuel elements and bounded by reflector material. Spherical fuel elements pass through the core cavity under the effect of gravity. Coolant gas flows through the core cavity in a descending or ascending stream. The coolant-gas lines provided for the purpose discharge laterally above the base of the cavity bottom. In the reactor according to the invention, coolant gas can be conveyed through the pile of fuel elements without problems over long operating times.
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