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在高温地下气体储存中评估包装器的机械性能和密封性能

Yuxian He¹, Haiyun Ma², Xuebin Tan³

¹School of Mechanical Engineering, Yangtze University, Jingzhou, 434023, China.

Scientific reports

|July 2, 2025

概括

本研究评估了在极端温度和压力下用于地下气体储存 (UGS) 的包装机密封. 研究结果揭示了这些条件如何影响压力和疲劳,为改善UGS井口可靠性和寿命提供了见解.

科学领域:

地质科学地质科学
材料科学材料科学材料科学
机械工程机械工程

背景情况:

地下气体储存 (UGS) 操作需要强大的包装机密封,以应对显著的温度和压力波动.
传统的石油和天然气生产挑战与UGS不同,原因是气体体积较大和循环运行,往往导致过早的密封失效.
在UGS环境中独特的密封要求需要专门的调查.

研究的目的:

为了研究两个不同的材料组合在高温和高压条件下与UGS相关的密封效率.
分析应力分布,并开发分析模型,用于极端条件下的包装机密封.
为优化包装机设计和提高UGS可靠性和使用寿命提供见解.

主要方法:

弹性塑料理论的应用来分析包装机筒中的应力分布.
开发两个分析模型来模拟大变形接触模式.
进行高温气体密封试验,以验证有限元素分析 (FEA) 结果.

主要成果:

在极端条件下分析米塞斯应力,剪切应力,接触应力,残余应力和疲劳寿命.
对比分析强调了两个测试的包装材料之间的密封性能差异.
通过实验性气体密封试验验证FEA模拟的验证.

结论:

温度和压力显著影响UGS操作中的包装机密封性能.
了解应力分布和疲劳寿命对于可靠的包装机设计至关重要.
该研究为优化包装器材料和设计提供了有价值的数据,以提高UGS运营效率和井口寿命.

关键词:

高温的高温的高温的高温.机械性质机械性质包装机的气瓶是用制成的密封性能密封性能密封性能美国UGS系统

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