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Nuclear power station component with marking by luminescent nanoparticles, corresponding reading process and assembly

A technology of fluorescent nanoparticles and nuclear power plants, which is applied in the identification and tracking of nuclear fuel assemblies or replacement parts, and the identification and tracking of nuclear power plant components, and can solve problems such as accurate tracking of risks, core imbalances, and operational accidents

Inactive Publication Date: 2013-09-11
FRAMATOME ANP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Operational errors during this process put at risk the precise tracking of fuel assemblies throughout their lifetime
Especially during core refueling, the negligence of the operator may cause the core to become unbalanced and cause operational accidents, so it is necessary to ensure that all components are accurately placed or replaced in the pre-designated positions

Method used

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  • Nuclear power station component with marking by luminescent nanoparticles, corresponding reading process and assembly
  • Nuclear power station component with marking by luminescent nanoparticles, corresponding reading process and assembly
  • Nuclear power station component with marking by luminescent nanoparticles, corresponding reading process and assembly

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Embodiment Construction

[0055] figure 1 The shown nuclear fuel assembly 1 includes an upper tube base 3 , a lower tube base (not shown), a framework 5 connecting the above two tube bases, and nuclear fuel rods 7 placed in place within the framework 5 . Wherein, the upper stem 3 has four side planes 9 to define its cross-sectional shape.

[0056] The nuclear fuel assembly 1 has a mark 11 arranged on one of the side planes 9 of the upper stem. The identification encodes the identification number of the nuclear fuel assembly.

[0057] Such as figure 2 As shown, the marker 11 includes a plurality of fluorescent nanoparticles 13 , 15 , all of which are attached to the outer surface 17 of the upper stem 3 . Each of said fluorescent nanoparticles comprises or consists of a material which emits optical radiation having a specific emission wavelength when it is excited by optical radiation having a specific excitation wavelength.

[0058] exist image 3 In the first embodiment of the invention shown, th...

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Abstract

The nuclear power station component comprises: a metallic structure (3) having an outer surface (17); at least one marking (11) placed on the outer surface (17) and coding information relating to the component (1). The marking (11) comprises a plurality of luminescent nanoparticles (13, 15) each provided to emit an optical radiation having a determined emission wavelength when said luminescent nanoparticle (13, 15) is excited with optical radiation having a determined excitation wavelength.

Description

technical field [0001] The present invention relates generally to the identification and tracking of nuclear power plant components, and more particularly to the identification and tracking of nuclear fuel assemblies or replacement parts. In particular, the first aspect of the present invention relates to a nuclear power plant component, comprising: a metal structure having an outer surface; and at least one mark located on the outer surface and encoding information related to the nuclear power plant component. Background technique [0002] In the prior art, no specific identification mark is provided on the nuclear fuel assembly. Tracking of nuclear fuel assemblies throughout their life cycle basically relies on two pieces of information: their precise location in the storage facility before and after core feeding, and their location in the core while the reactor is running. Operational errors during this process put at risk the precise tracking of fuel assemblies througho...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K11/02
CPCC09K11/02C09K11/025G06Q10/087
Inventor M·穆萨维
Owner FRAMATOME ANP
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