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Container for nuclear fuel transportation

Inactive Publication Date: 2006-03-02
URANIUM ASSET MANAGEMENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0010] Preferably the internal volume of the fuel container is at least 10% of that of the external volume of the outer container. A level of at least 15%, 20% or 25% is preferred. Levels of at least 30%, 35% or even 40% may be reached. Any increase in fuel volume to overall container volume is significant in reducing transportation costs and the capital costs involved in providing the strong fuel containers.
[0032] The boron content of any one of the insulator layers, internal divisions, sleeves, fuel containers, or remaining chamber space may be increased to give increased absorption.

Problems solved by technology

As a consequence the transportation of fuel takes up a considerable amount of space.
Additionally the cylindrical nature of the unit presents handling and stability problems.
A container having this level of fuel volume to overall volume has not previously been achieved.

Method used

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  • Container for nuclear fuel transportation
  • Container for nuclear fuel transportation
  • Container for nuclear fuel transportation

Examples

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Embodiment Construction

[0050] The container as illustrated in FIG. 1 has the general form of a rectangular box. The container 1 is defined by four vertically arranged walls 2 and a base wall 3. The walls are provided at the corner joints with strengthening elements 4 in the form of L-shaped strips. The vertical strengthening elements 4 have portions 6 which extend beyond the lid 8 of the container. Feet 10 are provided on each corner of the base and engage with the portion 6 for easy and stable stacking.

[0051] The outer skin forming the walls 2, base 3 and separate lid 8 are made of stainless steel.

[0052] A peripheral flange 12 is provided around the container. The lid 8 is dimensioned to be slidably received within the boundaries of the L-shaped elements 4. The lid 8 has a flange 16 which corresponds with the peripheral flange 12 of the container. Handles 14 on the lid aid in its removal and insertion.

[0053] In the closed and retained position shown the lid 8 is retained by a series of quick release n...

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PUM

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Abstract

A transport container for nuclear fuel is provided with an outer container having internal insulation, the insulation defining an internal cavity. The cavity receives a plurality of fuel containers wherein the internal volume of the fuel containers is at least 5% of the external volume of the outer container. The container allows substantially higher volume proportions of enriched fuel to be safely transported than is possible with prior containers.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS [0001] This application is a continuation of U.S. patent application Ser. No. 10 / 969,835, filed Oct. 21, 2004, which is a continuation of patent application Ser. No. 10 / 618,833, filed Jul. 14, 2003, U.S. Pat. No. 6,825,483, which is a continuation of patent application Ser. No. 10 / 022,993, filed Dec. 18, 2001, U.S. Pat. No. 6,770,897, which is a continuation of patent application Ser. No. 09 / 829,677, filed Apr. 10, 2001 (abandoned), which is a continuation of patent application Ser. No. 09 / 180,029, filed May 7, 1999 (abandoned), which is a U.S. nationalization of International Application No. PCT / GB97 / 01197, filed May 2, 1997, which claims priority to Great Britain Application No. 9609304.2, filed May 3, 1996, which applications are hereby incorporated by reference.BACKGROUND OF THE INVENTION [0002] 1. The Field of the Invention [0003] This invention concerns improvements in and relating to fuel transportation, particularly but not exclusively...

Claims

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Application Information

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IPC IPC(8): G21F5/00G21C19/40G21F5/008
CPCG21C19/40G21F5/008G21Y2004/303G21Y2002/305G21Y2004/30G21Y2002/301Y02E30/30
Inventor NICHOLSON, GRAHAMGIDDINS, PAUL
Owner URANIUM ASSET MANAGEMENT
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