Method for screening and grading aging management objects in nuclear power plant

A technology of management objects and grading methods, applied in the direction of electronic digital data processing, data processing applications, special data processing applications, etc., can solve problems such as incompleteness and lack of reference, and achieve reasonable methods, easy implementation and operation, The effect of improving reliability and economy

Inactive Publication Date: 2013-10-02
SUZHOU NUCLEAR POWER RES INST +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] It can be seen from the above table that the existing screening and grading methods are not directly referable or not comprehensive

Method used

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  • Method for screening and grading aging management objects in nuclear power plant
  • Method for screening and grading aging management objects in nuclear power plant
  • Method for screening and grading aging management objects in nuclear power plant

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Embodiment

[0027] Embodiment: A method for screening and grading the aging management objects of nuclear power plants for screening out the aging management objects and determining the priority when performing aging management on the aging management objects in a nuclear power plant, the method mainly includes screening the aging management objects and Hierarchical aging management objects are divided into two parts.

[0028] 1. Screen aging management objects: gradually screen out the concerned components and their aging mechanisms as aging management objects in the order of system and structure-equipment-components. Since a nuclear power plant includes a number of systems and structures, a system or a structure is composed of a number of equipment, and the equipment is composed of a number of components, the above screening process is carried out in accordance with the gradually reduced scope.

[0029] The specific method is as follows: Firstly, from the systems and structures in the n...

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Abstract

The invention relates to a method for screening and grading aging management objects in a nuclear power plant. The method is used for screening the aging management objects in a nuclear power plant and then determining the priorities of the aging management objects when the aging management objects are managed. The method comprises the steps as follows: 1), screening of the aging management objects: concerned parts and ageing mechanisms of the parts are screened gradually and taken as the aging management objects according to a sequence of structures-equipment-parts; and 2), grading of the aging management objects: the aging management objects are scored according to different influence dimensions, then comprehensive assessment on scoring results of all dimensions is performed, comprehensive cores are obtained, and finally the priorities of the aging management objects are evaluated according to the comprehensive scores. According to the method, the safety and the reliability of the nuclear power plant can be improved; and the method can be taken as a foundation for aging management of the nuclear power plant, and is reasonable, feasible and easy to implement and operate.

Description

technical field [0001] The invention relates to a method for screening and grading aging management objects in a nuclear power plant to determine the priority of aging management. Background technique [0002] In nuclear power plants, there are many structures, systems and components (Structures, Systems and Components (SSCs)) with different levels of safety importance, and the direct object of aging management needs to be specific to the level of "components - aging mechanism". will be even larger. In order to ensure that the main aging problems of nuclear power plants are effectively managed under the condition of limited resources, it is necessary to screen and classify the aging management objects in nuclear power plants, and carry out targeted aging management in the follow-up work, so this is also an important issue in nuclear power plants. It is the first step that the factory should carry out when actually carrying out the aging management work. To achieve this goa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30G06Q50/06
CPCY04S10/50
Inventor 薛飞刘鹏王勇遆文新刘啸天张彦召林磊牛绍蕊施震灏
Owner SUZHOU NUCLEAR POWER RES INST
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