Method and system for determining maintenance standards of thermal components of gas turbines

By conducting a comprehensive mechanical analysis of the structural and performance parameters of the gas engine unit and thermal components and operating state parameters, the allowable limits of thermal components are obtained, and the problem of lack of maintenance standards for different operating modes in the prior art is solved, and the standardization and quantitative evaluation of thermal component maintenance is realized.

CN114330777BActive Publication Date: 2025-04-04BEIJING JINGFENG GAS FIRED POWER +1
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Patent Information

Application Number
CN202111669523.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-12-31
Publication Date
2025-04-04
Estimated Expiration
2041-12-31

AI Technical Summary

Technical Problem

Existing gas engine manufacturers lack the distinction between the maintenance standards of thermal components for different operating methods, and have not given judgments and maintenance standards for the long-term thermal components, resulting in the analysis, maintenance and repair of thermal components being unable to provide standardized and quantitative judgment basis.

Method used

By conducting a comprehensive mechanical analysis of the structural and performance parameters of the gas engine unit and thermal components and the state parameters during operation, it is concluded that the allowable limit that each thermal component can be repaired without repair in different types of faults when there is a fault during operation, thereby providing a standardized and quantitative scientific judgment basis.

Benefits of technology

It provides a standardized and quantitative scientific evaluation basis for the maintenance and maintenance of thermal components, and improves the maintenance efficiency and accuracy of thermal components of the gas engine.

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Abstract

The present invention discloses a method and system for determining the maintenance standard of a thermal component of a gas turbine, the method comprising: determining the design structural parameters and design performance parameters of a gas turbine unit, and determining the material type and material performance data of the thermal component for which the maintenance standard needs to be determined; determining the distribution position of the thermal component according to the design structural parameters, and determining the environmental state parameters of each thermal component during the operation of the gas turbine unit in combination with the design performance parameters; determining the stress state parameters of each thermal component during the operation of the gas turbine unit according to the design structural parameters and the design performance parameters; analyzing the mechanical properties of the thermal component according to the material type, material performance data and design form of each thermal component, and determining the available limit standard of the thermal component in combination with the stress state parameters of the current thermal component during the operation of the gas turbine unit. Through the technical solution of the present invention, a standardized, quantitative and scientific evaluation basis can be provided for the inspection and maintenance of thermal components.
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