Nuclear reactor with a core melt propagation space provided with a coolant conduit leading to a coolant reservoir
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United States of America Patent
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Jul 27, 1999
Issued Date -
N/A
app pub date -
Dec 29, 1997
filing date -
Jun 27, 1995
priority date (Note) -
Expired
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Abstract
A nuclear reactor includes a propagation space for core melt. The propagation space has a coolant conduit leading to a coolant reservoir and a device which opens in a temperature-dependent manner. The coolant conduit in the propagation space is a spray conduit having a spraying area which covers the cross-section of the propagation space over a large area. The device is controlled in such a way that it opens when the core melt enters the propagation space. Spraying gives rise to a crust on the core melt which reduces heat radiation. At the same time, the propagation space fills with a steam atmosphere which drastically reduces the thermal load on building structures.
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