Passive containment cooling system with drywell pressure regulation for boiling water reactor
Abstract
A boiling water reactor having a regulating valve for placing the wetwell in flow communication with an intake duct of the passive containment cooling system. This subsystem can be adjusted to maintain the drywell pressure at (or slightly below or above) wetwell pressure after the initial reactor blowdown transient is over. This addition to the PCCS design has the benefit of eliminating or minimizing steam leakage from the drywell to the wetwell in the longer-term post-LOCA time period and also minimizes the temperature difference between drywell and wetwell. This in turn reduces the rate of long-term pressure buildup of the containment, thereby extending the time to reach the design pressure limit.
- Inventors:
-
- Tucson, AZ
- Issue Date:
- Research Org.:
- General Electric Co., Boston, MA (United States)
- OSTI Identifier:
- 869686
- Patent Number(s):
- 5377243
- Assignee:
- General Electric Company (San Jose, CA)
- Patent Classifications (CPCs):
-
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
G - PHYSICS G21 - NUCLEAR PHYSICS G21C - NUCLEAR REACTORS
- DOE Contract Number:
- AC03-90SF18494
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- passive; containment; cooling; drywell; pressure; regulation; boiling; water; reactor; regulating; valve; placing; wetwell; flow; communication; intake; duct; subsystem; adjusted; maintain; slightly; below; initial; blowdown; transient; addition; pccs; design; benefit; eliminating; minimizing; steam; leakage; longer-term; post-loca; time; period; minimizes; temperature; difference; reduces; rate; long-term; buildup; extending; reach; limit; temperature difference; water reactor; time period; flow communication; containment cooling; passive containment; boiling water; regulating valve; pressure buildup; /376/
Citation Formats
Hill, Paul R. Passive containment cooling system with drywell pressure regulation for boiling water reactor. United States: N. p., 1994.
Web.
Hill, Paul R. Passive containment cooling system with drywell pressure regulation for boiling water reactor. United States.
Hill, Paul R. Sat .
"Passive containment cooling system with drywell pressure regulation for boiling water reactor". United States. https://www.osti.gov/servlets/purl/869686.
@article{osti_869686,
title = {Passive containment cooling system with drywell pressure regulation for boiling water reactor},
author = {Hill, Paul R},
abstractNote = {A boiling water reactor having a regulating valve for placing the wetwell in flow communication with an intake duct of the passive containment cooling system. This subsystem can be adjusted to maintain the drywell pressure at (or slightly below or above) wetwell pressure after the initial reactor blowdown transient is over. This addition to the PCCS design has the benefit of eliminating or minimizing steam leakage from the drywell to the wetwell in the longer-term post-LOCA time period and also minimizes the temperature difference between drywell and wetwell. This in turn reduces the rate of long-term pressure buildup of the containment, thereby extending the time to reach the design pressure limit.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1994},
month = {1}
}
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