METHOD AND AUTOMATIC INSTALLATION FOR THE AIRTIGHT AND SECURE CONFINEMENT OF USED NUCLEAR FUEL

METHOD AND AUTOMATIC INSTALLATION FOR THE AIRTIGHT AND SECURE CONFINEMENT OF USED NUCLEAR FUEL

Spent nuclear fuel sealing procedure involves placing the spent fuel in a cartridge made from two cylindrical sections which are welded together. The second section is then closed and sealed using a vented end cover. The cartridge is evacuated and re-filled with a neutral gas under controlled pressu...

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Hauptverfasser: ALAIN DOMY, JEAN-CLAUDE FERLAY
Format: Patent
Sprache:eng
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DECONTAMINATION ARRANGEMENTS THEREFOR
NUCLEAR ENGINEERING
NUCLEAR PHYSICS
NUCLEAR REACTORS
PHYSICS
PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULARRADIATION OR PARTICLE BOMBARDMENT
TREATING RADIOACTIVELY CONTAMINATED MATERIAL
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creator ALAIN DOMY
JEAN-CLAUDE FERLAY
description Spent nuclear fuel sealing procedure involves placing the spent fuel in a cartridge made from two cylindrical sections which are welded together. The second section is then closed and sealed using a vented end cover. The cartridge is evacuated and re-filled with a neutral gas under controlled pressure. The vent is closed, and the welds are tested for gas leaks. The different stages of the procedure are carried out by remote control in a sealed chamber. Spent nuclear fuel sealing procedure involves placing the spent fuel in a cartridge (1) made from two cylindrical sections (2, 3), preferably of stainless steel, which are then welded together. The second section is then closed and sealed by an end cover (4) with a vent (5) enclosed in a housing (20). The cartridge is evacuated and re-filled with a neutral gas under controlled pressure. The vent is closed by crushing and resistance welding, the housing is removed, and the welds are tested for gas leaks. The different stages of the procedure are carried out by remote control in a sealed chamber.
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subjects DECONTAMINATION ARRANGEMENTS THEREFOR
NUCLEAR ENGINEERING
NUCLEAR PHYSICS
NUCLEAR REACTORS
PHYSICS
PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULARRADIATION OR PARTICLE BOMBARDMENT
TREATING RADIOACTIVELY CONTAMINATED MATERIAL
title METHOD AND AUTOMATIC INSTALLATION FOR THE AIRTIGHT AND SECURE CONFINEMENT OF USED NUCLEAR FUEL
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