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Title: Reactor water cleanup system

Abstract

A reactor water cleanup system includes a reactor pressure vessel containing a reactor core submerged in reactor water. First and second parallel cleanup trains are provided for extracting portions of the reactor water from the pressure vessel, cleaning the extracted water, and returning the cleaned water to the pressure vessel. Each of the cleanup trains includes a heat exchanger for cooling the reactor water, and a cleaner for cleaning the cooled reactor water. A return line is disposed between the cleaner and the pressure vessel for channeling the cleaned water thereto in a first mode of operation. A portion of the cooled water is bypassed around the cleaner during a second mode of operation and returned through the pressure vessel for shutdown cooling. 1 figure.

Inventors:
;
Publication Date:
Research Org.:
General Electric Co
OSTI Identifier:
6890352
Patent Number(s):
US 5375151; A
Application Number:
PPN: US 7-803943
Assignee:
General Electric Company, San Jose, CA (United States) OAK; EDB-95-028185
DOE Contract Number:
AC03-90SF18494
Resource Type:
Patent
Resource Relation:
Patent File Date: 9 Dec 1991
Country of Publication:
United States
Language:
English
Subject:
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS; COOLANT CLEANUP SYSTEMS; DESIGN; PWR TYPE REACTORS; BYPASSES; HEAT EXCHANGERS; WATER CHEMISTRY; CHEMISTRY; COOLING SYSTEMS; ENERGY SYSTEMS; ENRICHED URANIUM REACTORS; POWER REACTORS; PRIMARY COOLANT CIRCUITS; REACTOR COMPONENTS; REACTOR COOLING SYSTEMS; REACTORS; THERMAL REACTORS; WATER COOLED REACTORS; WATER MODERATED REACTORS 210200* -- Power Reactors, Nonbreeding, Light-Water Moderated, Nonboiling Water Cooled

Citation Formats

Gluntz, D.M., and Taft, W.E. Reactor water cleanup system. United States: N. p., 1994. Web.
Gluntz, D.M., & Taft, W.E. Reactor water cleanup system. United States.
Gluntz, D.M., and Taft, W.E. 1994. "Reactor water cleanup system". United States. doi:.
@article{osti_6890352,
title = {Reactor water cleanup system},
author = {Gluntz, D.M. and Taft, W.E.},
abstractNote = {A reactor water cleanup system includes a reactor pressure vessel containing a reactor core submerged in reactor water. First and second parallel cleanup trains are provided for extracting portions of the reactor water from the pressure vessel, cleaning the extracted water, and returning the cleaned water to the pressure vessel. Each of the cleanup trains includes a heat exchanger for cooling the reactor water, and a cleaner for cleaning the cooled reactor water. A return line is disposed between the cleaner and the pressure vessel for channeling the cleaned water thereto in a first mode of operation. A portion of the cooled water is bypassed around the cleaner during a second mode of operation and returned through the pressure vessel for shutdown cooling. 1 figure.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = 1994,
month =
}
  • A reactor water cleanup system includes a reactor pressure vessel containing a reactor core submerged in reactor water. First and second parallel cleanup trains are provided for extracting portions of the reactor water from the pressure vessel, cleaning the extracted water, and returning the cleaned water to the pressure vessel. Each of the cleanup trains includes a heat exchanger for cooling the reactor water, and a cleaner for cleaning the cooled reactor water. A return line is disposed between the cleaner and the pressure vessel for channeling the cleaned water thereto in a first mode of operation. A portion ofmore » the cooled water is bypassed around the cleaner during a second mode of operation and returned through the pressure vessel for shutdown cooling.« less
  • A method is disclosed of reproduction of a filter demineralizer for a cleanup of a condensate which backwashes the filter demineralizer to separate ion-exchange resin therefrom. Backwash used for backwashing, and including the ion-exchange resin, is recirculated in a course including a crud removal apparatus to remove the crud thereby providing reproduced ion-exchange resin. On the filter demineralizer from which the ion-exchange resin has been removed, new ion-exchange resin is precoated to form a new ion-exchange resin layer, and then the reproduced ion-exchange resin is deposited on the new ion-exchange resin layer by passing the backwash through the new ion-exchangemore » resin layer.« less
  • This patent describes a method for prevention of corrosion, due to oxygen activity, in a boiling water nuclear reactor system having a main feedwater recirculation loop comprising a reactor vessel with a reactor core and with a steam off-take line and a condensate return line in flow communication with the vessel for recirculating feedwater between the reactor and a steam turbine. The coolant water recirculation loops consist of coolant water off-take and return lines in flow communication with the vessel for recirculating coolant water in the vessel, wherein hydrogen is added to the coolant water passing through the reactor coremore » to reduce the oxygen content of the coolant water. The improvement consists of: recirculation coolant water containing dissolved oxygen, after passage through the reactor core, is diverted from the recirculation loop; hydrogen gas is added to the diverted coolant water; the hydrogen-containing diverted coolant water is contacted with a catalyst effective to enhance reaction of hydrogen with oxygen contained in the coolant water; and the diverted coolant water, after reaction of the hydrogen gas with the oxygen contained therein, is returned to the recirculation loop for passage through the reactor core.« less