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泄漏分析和泄漏监控系统设计用于液化天然气油轮加油过程

Lei Song^1,2, Tao Yin³, Chuanjun Han¹

¹Key Laboratory of Oil and Gas Equipment, Ministry of Education-Southwest Petroleum University, Chengdu Sichua, China.

Scientific reports

|December 31, 2024

概括

液化天然气灌装设备的泄漏是一个风险. 数字分析显示,较大的泄漏扩散更高,而风影响扩散模式. 一个基于TDLAS的监控系统提供了有效的气体泄漏检测.

科学领域:

化学工程是化学工程的重要组成部分.
安全工程安全工程
环境科学环境科学

背景情况:

液化天然气灌装设备故障,特别是密封部件,由于低温,高压运行压力造成泄漏.
了解液化天然气扩散动态对于评估风险和制定加油站有效安全措施至关重要.

研究的目的:

分析液化天然气填充设备泄漏的原因.
根据不同的泄漏孔大小和风速,以数值模拟液化天然气扩散.
开发和评估液化天然气加油站的气体泄漏监测系统.

主要方法:

对液化天然气灌装设备故障机制的分析.
在不同的泄漏直径和风条件下对天然气扩散的数值模拟.
开发一种利用可调节二极管激光吸收光谱 (TDLAS) 技术的气体泄漏监测系统.

主要成果:

相当于孔径>4毫米的漏洞在没有风的情况下可以在2秒内超过5米的高度.
天然气度随着高度的增加而下降;在5米处观察到50-60%的减少,而在0.5米处则是50-60%.
风将扩散羽毛向下曲,曲的严重程度与漏洞直径相反;确定了最佳传感器角度.

结论:

液化天然气灌装设备的泄漏是严重的安全问题,需要严格监控.
该研究提供了关于液化天然气扩散行为的关键数据,为风险评估和安全协议提供了信息.
基于TDLAS的系统为液化天然气填充环境中的实时气体泄漏检测提供了有效的解决方案.

关键词:

扩散扩散是一种扩散.液化天然气 (LNG) 是一种天然气.泄漏监控是为了监控泄漏情况.在TDLAS中.卡车装载卡车装载

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