Modified passive containment cooling system for a nuclear reacto

Details Modified passive containment cooling system for a nuclear reacto Modified passive containment cooling system for a nuclear reacto

1998-06-24

2000-05-30

Jordan, Charles T.

Induced nuclear reactions: processes, systems, and elements

Reactor protection or damage prevention

Emergency core coolant systems

376283, 376298, 376299, G21C 900

Patent

active

060699302

ABSTRACT:
Modified passive containment cooling systems for cooling a reactor core of a boiling water nuclear reactor are described. The passive containment cooling system (PCCS), in one form, includes a vent line coupled to the vacuum breaker. The vent line includes a first end, a second end, and a passage extending between the first and second ends for transporting noncondensibles between the first and second ends. The first end is coupled to PCCS condenser, and the second end is submerged in a suppression pool. A branch extends from an intermediate portion of the vent line and is coupled to the vacuum breaker. The branch includes a first end, a second end, and a passage extending between the first and second ends. The first end of the branch is coupled to the intermediate portion of the vent line so that the branch passage is in communication with the vent line passage. The second end of the branch is coupled to the vacuum breaker so that the branch slopes substantially downwardly from its second end to its first end.

REFERENCES:
patent: 5282230 (1994-01-01), Billig et al.
patent: 5303274 (1994-04-01), Sawyer
patent: 5377243 (1994-12-01), Hill
patent: 5896431 (1999-04-01), Cheung

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