Operation and maintenance method and operation and maintenance system for shield pump of nuclear reactor experimental device

By monitoring devices related to the shielded pump in a nuclear reactor experimental device and calculating the reliability coefficient, the problem of the inability to effectively assess the stress level of the shielded pump in the existing technology is solved. This enables real-time and comprehensive diagnosis and safety assessment of the shielded pump, improving the pertinence and economy of maintenance.

CN122089274APending Publication Date: 2026-05-26CHINA NUCLEAR POWER TECH RES INST CO LTD +1
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Patent Information

Application Number
CN202610006202.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-01-05
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

Existing technologies cannot effectively monitor and assess the stress level of the shielded pump in nuclear reactor experimental devices, resulting in the inability to predict failures in advance, posing safety risks and affecting the progress of experimental research and the validity of data.

Method used

A stress monitoring and evaluation model is used to monitor devices related to the shielded pump in the nuclear reactor experimental device, calculate the reliability coefficient, and determine whether to carry out shutdown maintenance, non-shutdown intervention maintenance, or normal operation based on the safety threshold.

Benefits of technology

It enables clear, comprehensive, and real-time assessment of the stress level of the canned motor pump, enhancing the targeted nature of maintenance, reducing safety risks and costs, and improving operational safety and economy.

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Abstract

The invention discloses an operation and maintenance method and an operation and maintenance system for a shield pump of a nuclear reactor experimental device. According to the invention, stress monitoring is carried out on the device related to the stress of the shield pump in the nuclear reactor experimental device, and the stress level of the shield pump is evaluated by using the stress evaluation model of the shield pump, so that the running state of the shield pump can be clearly and comprehensively diagnosed in real time; therefore, preventive local disintegration inspection and comprehensive disintegration inspection of the shield pump are involved more reasonably, the pertinence of maintenance intervention of the shield pump is enhanced, manpower and time cost are saved, and the safety and economical efficiency of operation maintenance of the shield pump are improved.
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