A method for evaluating reliability of a reactor system under multiple failure modes considering corrosion thinning effect

By using stress-intensity interference models and dynamic corrosion rate calculations, combined with multi-failure mode analysis, the shortcomings of traditional reactor evaluation methods are addressed, enabling accurate assessment of reactor reliability and life prediction, thereby improving equipment safety and economic efficiency.

CN121072136BActive Publication Date: 2026-06-16NANJING TECH UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
NANJING TECH UNIV
Filing Date
2025-08-22
Publication Date
2026-06-16

AI Technical Summary

⚠Technical Problem

Traditional reactor evaluation methods fail to fully consider corrosion thinning effects, lack comprehensive analysis of material properties, reaction temperature, medium type, and reliability level, making it difficult to provide high-precision prediction results and lacking dynamic adaptability.

⚗Method used

By employing a stress-intensity interference model combined with dynamic corrosion rate calculation and multi-failure mode reliability analysis, and by acquiring structural and corrosion depth data of the reactor, the corrosion rate and effective thickness are calculated for reliability assessment.

🎯Benefits of technology

Accurate assessment of the service life of reactors provides a basis for equipment maintenance and safety management, thereby improving the safety and economic efficiency of reactors.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application relates to a kind of reaction kettle system reliability evaluation method under multiple failure mode considering corrosion thinning effect, comprising: obtaining the structure parameter of target reaction kettle, working parameter and corrosion depth dataset;According to the structure parameter of the target reaction kettle, working parameter and corrosion depth dataset, obtain the corrosion rate of the target reaction kettle under different conditions;According to the corrosion rate, calculate the target structure effective thickness of the target reaction kettle;According to the target structure effective thickness, the reliability under different structure different failure mode is calculated;According to the reliability under different structure different failure mode, the overall reliability evaluation of the target reaction kettle is carried out.The present application can accurately evaluate the service life of reaction kettle, provide basis for equipment maintenance and safety management.
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