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Reactor cladding blasting experiment system and experiment method

An experimental system and reactor technology, applied in the field of reactor cladding blasting experimental system, can solve problems such as cladding blasting, and achieve the effect of simple structure

Pending Publication Date: 2022-02-25
NORTHWEST INST OF NUCLEAR TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The expansion of the cladding is accompanied by the axial expansion and contraction of the cladding. At the same time, due to the thinner thickness of the fuel cladding, the expansion of the cladding makes the cladding bear excessive stress and cause the cladding to explode

Method used

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  • Reactor cladding blasting experiment system and experiment method
  • Reactor cladding blasting experiment system and experiment method

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Embodiment Construction

[0060] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation modes of the present invention will be described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. Example. Based on the embodiments of the present invention, all other embodiments obtained by ordinary persons in the art without creative efforts shall fall within the protection scope of the present invention.

[0061] In the following description, a lot of specific details are set forth in order to fully understand the present invention, but the present invention can also be implemented in other ways different from those described here, and those skilled in the art can do it without departing from the meaning of the present invention. By analogy, the present invention is therefore not limited ...

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Abstract

The invention discloses a reactor cladding blasting experiment system and an experiment method. The system comprises a top gas chamber, a heating furnace, a bottom gas chamber, an inert gas pressurization unit, a water cooling unit, a heating unit, a vacuum unit and an atmosphere supply unit. The blasting experiments of the cladding in different environments, such as inert gas, water vapor, air, vacuum, etc., are achieved through the coordinated work of all the parts in the system, the blasting data of the cladding in different environments can be provided, and powerful data support is provided for the establishment of a cladding blasting criterion model.

Description

technical field [0001] The invention relates to the field of reactor safety, in particular to a reactor cladding blasting experimental system and an experimental method. Background technique [0002] The fuel element cladding is the first barrier of the reactor radioactive material, which can contain more than 90% of the fission products. The integrity of the fuel cladding is of great significance to avoid the leakage of radioactive materials in normal operation and accident conditions. In a coolant loss accident, the continuous increase in fuel cladding temperature and the release of fission gases lead to an increase in the internal pressure of the cladding, causing cladding deformation. The expansion of the cladding is accompanied by the axial expansion and contraction of the cladding. At the same time, because the thickness of the fuel cladding is thin, the expansion of the cladding makes the cladding bear excessive stress and cause the cladding to burst. [0003] The s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/18
CPCG01N3/18G01N2203/0019G01N2203/0044G01N2203/0067G01N2203/0682
Inventor 陈森罗小飞李华琪康小亚田晓艳陈立新李达石磊太李伟通朱磊苏春磊
Owner NORTHWEST INST OF NUCLEAR TECH
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