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Fatigue Life Analysis of Cyclone Separator Group Structure in a Reactor Device
Yilian Shan1, Jiye Sun1, Xianglong Zhu1
1Zhejiang-Italy Joint Lab for Smart Materials and Advanced Structures, School of Mechanical Engineering and Mechanics, Ningbo University, Ningbo 315211, China.
Materials (Basel, Switzerland)
|March 27, 2025
Summary
This study analyzes the fatigue life of chlorination reactors, identifying welding zones as critical weak points under high temperature and pressure. The findings provide a basis for optimizing reactor design and ensuring operational safety.
Area of Science:
- Chemical Engineering
- Materials Science
- Mechanical Engineering
Background:
- Industrial reactors face structural integrity issues under extreme conditions (high temperature and pressure).
- Fatigue failure in reactors, particularly cyclone separators, poses significant safety risks in the chlorination industry.
Purpose of the Study:
- To analyze the fatigue life of a chlorination reactor, focusing on the cyclone separator.
- To identify critical weak points and assess the impact of operational conditions and welding on fatigue life.
Main Methods:
- Utilized a combined simulation approach with ABAQUS and Fe-Safe software (v 6.14).
- Employed finite element simulations under steady-state conditions and S-N curves from fatigue testing.
- Analyzed fatigue behavior under varying temperatures, pressures, chemical environments, and periodic vibrations.
Main Results:
- Identified welding defects and stress concentration as critical factors leading to fatigue failure in welded joints.
- Predicted fatigue life and potential weak points of the reactor under different vibration conditions.
- Determined the influence of operational parameters on the fatigue performance of the cyclone separator.
Conclusions:
- Welding zones are critical weak points requiring careful consideration during reactor design.
- The study provides a theoretical foundation for optimizing reactor design for enhanced operational safety.
- Finite element analysis combined with fatigue testing is effective for predicting reactor fatigue life.
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