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Irradiation supervising apparatus for high-flux research reactor core container

A core container and radiation monitoring technology, which is applied in the field of research reactor core container radiation monitoring, can solve the problems that the radiation monitoring device cannot be applied, and achieve the effect of simple structure, small size, and not easy to mechanical damage

Active Publication Date: 2011-06-01
CHINA INSTITUTE OF ATOMIC ENERGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the existing radiation monitoring devices cannot be applied

Method used

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  • Irradiation supervising apparatus for high-flux research reactor core container
  • Irradiation supervising apparatus for high-flux research reactor core container
  • Irradiation supervising apparatus for high-flux research reactor core container

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Embodiment Construction

[0017] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0018] An irradiation monitoring device for a core vessel of a high-throughput research reactor, comprising a suspension ring 1, a sample support body 2, and a bottom grid plate 3, wherein a CT sample, a tensile sample and a temperature monitor are placed in the sample support body 2. The temperature monitor is composed of a box cover 5 and a box body 6, wherein the box cover 5 is expanded on the box body 6, and a sleeve body 8 with a sleeve cover 7 is arranged in the box body 6, and the sleeve body 8 is put into Alloy 9, box body 6 and sleeve body 8 are evacuated and filled with helium, the air pressure is 0.2MPa. Wherein, the tenon joint 4 of the suspension ring 1 and the supporting body 2 is welded. The bottom grid 3 is fixed on the sample support 2 by countersunk screws. The alloy 9 preferably used in this embodiment is a conical alloy, th...

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Abstract

The invention discloses a radiation supervision device for a core container of a high-flux research reactor, which comprises a lifting ring (1), a sample supporting body (2) and a bottom grid plate (3), and is characterized in that the inside of the sample supporting body (2) is provided with a small-sized CT sample, a tensile sample and a temperature monitor. The invention provides the radiationsupervision device which is suitable for the core container of the research reactor and has a simple structure, small volume and reactor-following monitoring.

Description

technical field [0001] The invention relates to the technical field of radiation monitoring of research reactor core containers, in particular to a radiation monitoring device for high-flux research reactor core containers. Background technique [0002] The research reactor core vessel is an extremely critical part of the reactor body, and the core vessel is subject to strong thermal neutron radiation during reactor operation. The high-flux research reactor core vessel receives 10 23 (n / cm 2 ) neutron irradiation above the magnitude. The radiation damage of aluminum alloy caused by neutron irradiation and the transmutation of alloy elements lead to the change of material structure, resulting in the embrittlement of the core vessel material and the degradation of service performance. In order to ensure the safety of reactor operation and evaluate the service life of the core vessel, it is necessary to carry out on-site supervision of the irradiation performance of the core...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N17/00G01K1/12G01K1/16
Inventor 徐远超石辰蕾宁广胜
Owner CHINA INSTITUTE OF ATOMIC ENERGY
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