Nuclear reactor with a core melt propagation space provided with

Details Nuclear reactor with a core melt propagation space provided with Nuclear reactor with a core melt propagation space provided with

1997-12-29

1999-07-27

Wasil, Daniel D.

Induced nuclear reactions: processes, systems, and elements

Reactor protection or damage prevention

Core catchers

376282, 376284, G21C 9016

Patent

active

059303190

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.

REFERENCES:
patent: 4113560 (1978-09-01), Driscoll et al.
patent: 5080857 (1992-01-01), Miller et al.
"Towards an Enhanced Quality in Pressurized Water Reactor Safety" (Kuczera et al.), 7003 Kerntechnik, No. 4/5, Munich, Aug. 1994, pp. 151-155.

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