Auxiliary installation method of ex-core detector

An installation method and detector technology, applied in metal processing, metal processing equipment, manufacturing tools, etc., can solve the problem that workers are exposed to a large dose of radiation, and achieve the effect of reducing the radiation dose

Active Publication Date: 2021-01-08
SOUTHWEAT UNIV OF SCI & TECH +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to address the above-mentioned deficiencies in the prior art and provide an auxiliary installation method for extra-core detectors to solve the problem of installing existing extra-core nuclear detectors. Manually carried out, the entire installation process caused the problem that workers were exposed to a large dose of radiation while working

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  • Auxiliary installation method of ex-core detector
  • Auxiliary installation method of ex-core detector
  • Auxiliary installation method of ex-core detector

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Embodiment Construction

[0043] The specific embodiments of the present invention are described below so that those skilled in the art can understand the present invention, but it should be clear that the present invention is not limited to the scope of the specific embodiments. For those of ordinary skill in the art, as long as various changes Within the spirit and scope of the present invention defined and determined by the appended claims, these changes are obvious, and all inventions and creations using the concept of the present invention are included in the protection list.

[0044] In order to reduce the dose received by maintenance personnel and improve the efficiency of operation and maintenance, it is necessary to design an intelligent robot system that can assist in the installation of extra-core nuclear detection detectors in strong radiation, irregular and narrow reactor cavities, and can withstand the failure of the reactor cavity after shutdown. High radiation dose at the location, can t...

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Abstract

The invention discloses an auxiliary installation method for an ex-core detector, which realizes the working process of the detector from transportation, lifting to installation in a manner of combining remote control with local autonomy, and reduces the on-site working time of maintenance personnel to the greatest extent so as to reduce the tolerance dose. Moreover, an ex-core nuclear measurementdetector can be mounted in a strong-irradiation, irregular and narrow reactor cavity in an auxiliary manner, the high radiation dose at the position of the reactor cavity after shutdown can be tolerated, multiple sections of ex-core nuclear measurement detectors can be transported to the reactor cavity, and the mounting position can be adaptively positioned by adopting intelligent positioning methods such as computer visual characteristics and the like, the ex-core nuclear measurement detector are disassembled and assembled, and the irradiation dose borne by maintenance personnel when the ex-core nuclear measurement detectors are disassembled and assembled is reduced.

Description

technical field [0001] The invention belongs to the technical field of installation of nuclear detection detectors outside the reactor, and in particular relates to an auxiliary installation method for detectors outside the reactor. Background technique [0002] In the nuclear power plant of the CAP1400 demonstration project, the current design adopts the method of installing the nuclear detection detector outside the core from the bottom of the reactor cavity upwards, which is different from the method of hoisting the nuclear detection detector from the top adopted by most pressurized water reactor nuclear power plants. This installation method is limited by the narrow installation space at the bottom of the reactor cavity, and the nuclear detection detectors outside the reactor must be installed in sections using special tools, so the operation steps are cumbersome and complicated, and it takes a long time for installation. Since the radiation dose at the bottom of the rea...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P19/06B23P19/10
CPCB23P19/06B23P19/10B23P19/006Y02E30/30
Inventor 张华刘满禄徐冬苓曲海涛张静钟华周建金博霍建文匡红波王姮卜江涛刘冉毕道伟王基生肖宇峰刘桂华
Owner SOUTHWEAT UNIV OF SCI & TECH
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