Heat dissipation system for a nuclear reactor, in particular a p

Details Heat dissipation system for a nuclear reactor, in particular a p Heat dissipation system for a nuclear reactor, in particular a p

1995-09-11

1996-11-26

Jordan, Charles T.

Induced nuclear reactions: processes, systems, and elements

Reactor protection or damage prevention

Auxiliary heat removal structure

376299, 376306, 376290, 376210, G21C 900

Patent

active

055793550

ABSTRACT:
A nuclear reactor, in particular a pressurized water reactor, has a containment, a containment shell surrounding the containment and a concrete construction of a reactor building surrounding the containment shell. A heat dissipation system for the nuclear reactor includes a sump volume disposed in a lower region of the containment shell for receiving coolant. A sump cooler is disposed inside the sump volume, has cooling tubes with a primary side and a secondary side and has feed and return lines. The primary side of the cooling tubes is covered at least when the sump volume is largely filled with coolant. An intermediate cooler has a tertiary side and is connected through the feed and return lines of the sump cooler to the secondary side of the cooling tubes. A heat sink is disposed outside the reactor building and is connected to the intermediate cooler on the tertiary side.

REFERENCES:
patent: 3819476 (1974-06-01), Pocock
patent: 4051892 (1977-10-01), Reinsch
patent: 4066499 (1978-01-01), Buthmann
patent: 4755352 (1988-07-01), Glen et al.
patent: 4830815 (1989-05-01), Gluntz
patent: 4863676 (1989-09-01), Helm et al.
Patent Abstract of Japan No. JP 2-47586(A), (Osawa et al), Feb. 16, 1990.
Patent Abstract of Japan No. JP 54-65296 (Katou) May 25, 1979.

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