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Collecting device for melted-off material of the reactor core in the case of a to a reactor core melting reactor accident containing
Collecting device for melted-off material of the reactor core in the case of a to a reactor core melting reactor accident containing
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机译:在反应堆堆芯熔化的情况下,反应堆堆芯材料熔化的收集装置包括:
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摘要
Apparatus for containing, cooling, diluting, dispersing and maintaining subcritical the molten core debris assumed to melt through the bottom of a nuclear reactor pressure vessel in the unlikely event of a core meltdown. The apparatus is basically a sacrificial bed system which includes an inverted conical funnel, a core debris receptacle including a spherical dome, a spherically layered bed of primarily magnesia bricks, a cooling system of zig-zag piping in graphite blocks about and below the bed and a cylindrical liner surrounding the graphite blocks including a steel shell surrounded by firebrick. Tantalum absorber rods are used in the receptacle and bed.
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