Method for operating and maintaining cracks in turbine components

By obtaining the operating parameters and crack characteristic parameters of turbine components, conducting stress analysis, determining indicators such as weight distribution coefficients, screening components to be evaluated and optimizing processing strategies, the economic losses and improper processing problems of traditional turbine component crack detection are solved, and scientific and accurate operation and maintenance decisions and resource optimization are achieved.

CN119692064BActive Publication Date: 2025-10-10GUODIAN SCI & TECH RES INST +2
2 Cites 0 Cited by

Patent Information

Application Number
CN202411994412.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-10-10
Estimated Expiration
2044-12-31

AI Technical Summary

Technical Problem

Traditional methods for detecting cracks in turbine components require equipment shutdown, impacting power generation. Real-time monitoring cannot accurately analyze complex component parameters, and treatment measures lack systematic precision, leading to economic losses and improper handling.

Method used

By obtaining the operating parameters, crack characteristic parameters and far-field stress of turbine components, stress analysis is carried out to determine the weight distribution coefficient, stress intensity factor, expansion rate and failure probability, screen the components to be evaluated, and determine the target treatment measures based on the net present value of cost-benefit and risk level.

Benefits of technology

It enables accurate assessment of component conditions, focuses on key components, optimizes processing strategies, avoids indiscriminate processing, improves operation and maintenance efficiency, and saves resources and time.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

The application provides a kind of water turbine component crack operation and maintenance method, belongs to water turbine crack maintenance technical field.The method includes: obtaining water turbine component operating parameter, crack characteristics and far field stress, and determining weight distribution coefficient, stress intensity factor and the like by stress analysis.Screen out the components to be evaluated whose weight distribution coefficient, stress intensity factor and the like meet specific conditions, obtain their treatment measures and cost-benefit net present value, determine the risk level score of each measure, and select the minimum risk level score and cost-benefit net present value exceeding the threshold value as the target treatment measure.Finally, the target treatment measure is issued to the user terminal, so that the user can maintain the component.The application accurately evaluates the condition of water turbine component by obtaining relevant parameters and stress analysis, provides a scientific basis for decision-making, also screens key components according to various parameter standards, improves operation and maintenance efficiency, and can also determine the target treatment measure by comprehensively considering risk and cost-benefit, to avoid over-treatment or insufficient treatment.
Need to check novelty before this filing date? Find Prior Art