IMPROVEMENTS RELATING TO EQUIPMENT FOR THE INSERTION OF CONTROL RODS INTO NUCLEAR REACTORS
Patent
·
OSTI ID:4049135
In order to achieve a rapid insertion of a control rod or safety rod into a nuclear reactor, the rod is arranged as a projectile inside a gun so that it can be propelled into the reactor in the event of danger. During its movement the rod slides through a tube of aluminum and is stopped by a brake tube at the end of the aluminum tube. The brake tube has an internal diameter smaller than a malleable plug that is driven into it by the rod, which is thus brought to rest. When the shot is fired, a small disc is broken that previously separated the gun from the slide tube and held the rod in place. A second plug separates the explosive charge from the rod; this plug has a slightly greater diameter than the rod and after the shot has been fired it remain wedged in the entrance of the slide tube, thus closing it and protecting it from the explosion gases. The latter escape through lateral openings in the end of the gun tube. (NPO)
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-15-015260
- OSTI ID:
- 4049135
- Report Number(s):
- FR 1213495
- Country of Publication:
- France
- Language:
- English
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