Refueling water storage tank (RWST) with tailored passive emergency core cooling (ECC) flow
Abstract
A nuclear reactor comprises a pressure vessel containing a nuclear reactor core. A reactor core cooling system comprises a standpipe including a plurality of orifices in fluid communication with a refueling water storage tank (RWST) to drain water from the RWST into the standpipe, and an injection line configured to drain water from the standpipe to the pressure vessel. In some embodiments the standpipe is disposed in the RWST, while in other embodiments the standpipe is disposed outside of the RWST and cross-connection pipes connect the plurality of orifices with the RWST. The reactor core cooling system may further comprise a valve configured to control flow through one orifice of the plurality of orifices in fluid communication with the RWST based on water level in the standpipe. The valve may comprise a float valve having its float disposed in the standpipe.
- Inventors:
- Issue Date:
- Research Org.:
- BWXT mPower, Inc., Charlotte, NC (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1893089
- Patent Number(s):
- 11373768
- Application Number:
- 14/169,192
- Assignee:
- BWXT mPower, Inc. (Charlotte, NC)
- Patent Classifications (CPCs):
-
G - PHYSICS G21 - NUCLEAR PHYSICS G21C - NUCLEAR REACTORS
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
- DOE Contract Number:
- NE0000583
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 01/31/2014
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Watson, Ronald C., and Malloy, III, John D. Refueling water storage tank (RWST) with tailored passive emergency core cooling (ECC) flow. United States: N. p., 2022.
Web.
Watson, Ronald C., & Malloy, III, John D. Refueling water storage tank (RWST) with tailored passive emergency core cooling (ECC) flow. United States.
Watson, Ronald C., and Malloy, III, John D. Tue .
"Refueling water storage tank (RWST) with tailored passive emergency core cooling (ECC) flow". United States. https://www.osti.gov/servlets/purl/1893089.
@article{osti_1893089,
title = {Refueling water storage tank (RWST) with tailored passive emergency core cooling (ECC) flow},
author = {Watson, Ronald C. and Malloy, III, John D.},
abstractNote = {A nuclear reactor comprises a pressure vessel containing a nuclear reactor core. A reactor core cooling system comprises a standpipe including a plurality of orifices in fluid communication with a refueling water storage tank (RWST) to drain water from the RWST into the standpipe, and an injection line configured to drain water from the standpipe to the pressure vessel. In some embodiments the standpipe is disposed in the RWST, while in other embodiments the standpipe is disposed outside of the RWST and cross-connection pipes connect the plurality of orifices with the RWST. The reactor core cooling system may further comprise a valve configured to control flow through one orifice of the plurality of orifices in fluid communication with the RWST based on water level in the standpipe. The valve may comprise a float valve having its float disposed in the standpipe.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Jun 28 00:00:00 EDT 2022},
month = {Tue Jun 28 00:00:00 EDT 2022}
}
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