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Title: Reactor shroud joint

Abstract

A shroud for a nuclear reactor is described. In one embodiment, the shroud includes first and second shroud sections, and each shroud section includes a substantially cylindrical main body having a first end and a second end. With respect to each shroud section, a flange is located at the main body first end, and the flange has a plurality of bolt openings therein and a plurality of scalloped regions. The first shroud section is welded to the second shroud section, and at least some of the bolt openings in the first shroud section flange align with respective bolt openings in the second shroud section flange. In the event that the onset of inter-granular stress corrosion cracking is ever detected in the weld between the shroud section, bolts are inserted through bolt openings in the first shroud section flange and through aligned bolt openings the second shroud section flange. Each bolt, in one embodiment, has a shank section and first and second threaded end sections. Nuts are threadedly engaged to the threaded end sections and tightened against the respective flanges.

Inventors:
 [1];  [1];  [1]
  1. (San Jose, CA)
Issue Date:
Research Org.:
ADVANCED REACTOR CORP
OSTI Identifier:
871463
Patent Number(s):
5737378
Assignee:
General Electric Company (Schenectady, NY) CHO
DOE Contract Number:  
FC02-92NE34267
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
reactor; shroud; joint; nuclear; described; embodiment; sections; section; substantially; cylindrical; main; respect; flange; located; plurality; bolt; openings; therein; scalloped; regions; welded; align; respective; event; onset; inter-granular; stress; corrosion; cracking; detected; weld; bolts; inserted; aligned; shank; threaded; nuts; threadedly; engaged; tightened; flanges; stress corrosion; corrosion cracking; openings therein; nuclear reactor; substantially cylindrical; shroud section; aligned bolt; /376/

Citation Formats

Ballas, Gary J., Fife, Alex Blair, and Ganz, Israel. Reactor shroud joint. United States: N. p., 1998. Web.
Ballas, Gary J., Fife, Alex Blair, & Ganz, Israel. Reactor shroud joint. United States.
Ballas, Gary J., Fife, Alex Blair, and Ganz, Israel. Thu . "Reactor shroud joint". United States. https://www.osti.gov/servlets/purl/871463.
@article{osti_871463,
title = {Reactor shroud joint},
author = {Ballas, Gary J. and Fife, Alex Blair and Ganz, Israel},
abstractNote = {A shroud for a nuclear reactor is described. In one embodiment, the shroud includes first and second shroud sections, and each shroud section includes a substantially cylindrical main body having a first end and a second end. With respect to each shroud section, a flange is located at the main body first end, and the flange has a plurality of bolt openings therein and a plurality of scalloped regions. The first shroud section is welded to the second shroud section, and at least some of the bolt openings in the first shroud section flange align with respective bolt openings in the second shroud section flange. In the event that the onset of inter-granular stress corrosion cracking is ever detected in the weld between the shroud section, bolts are inserted through bolt openings in the first shroud section flange and through aligned bolt openings the second shroud section flange. Each bolt, in one embodiment, has a shank section and first and second threaded end sections. Nuts are threadedly engaged to the threaded end sections and tightened against the respective flanges.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1998},
month = {1}
}

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