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[1]蒋宏业,寇明月,廖柯熹,等.掺氢天然气管道泄漏扩散研究现状及发展趋势[J].油气储运,2024,43(08):1-15.
　Jiang Hongye,Kou Mingyue,Liao Kexi,et al.Research status and development trend of hydrogen-doped natural gas pipeline leakage diffusion[J].Oil & Gas Storage and Transportation,2024,43(08):1-15.

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掺氢天然气管道泄漏扩散研究现状及发展趋势

《油气储运》[ISSN:1000-8241/CN:13-1093/TE] 卷: 43 期数: 2024年08期页码: 1-15 栏目: 出版日期: 2024-08-25

Title:: Research status and development trend of hydrogen-doped natural gas pipeline leakage diffusion

作者:: 蒋宏业; 寇明月; 廖柯熹; 徐涛龙; 李又绿; 何国玺

Author(s):: Jiang Hongye¹ ; Kou Mingyue¹ ; Liao Kexi¹; Xu Taolong¹ ; Li Youlu¹; HE Guoxi¹

关键词:: 掺氢天然气; 泄漏扩散; 管道; 研究现状; 发展趋势

Keywords:: hydrogen-doped natural gas; Leakage diffusion; Pipelines; Research status; Development trend

分类号:: TE832

文献标志码:: A

摘要:: 【目的】目前，将氢气以一定比例掺入天然气管网输送是发展低碳经济、解决可再生能源发电过剩而导致弃电消纳问题的有效途径，保障掺氢天然气管道安全运行对于能源发展具有重要意义。【方法】为积极应对掺氢天然气管道安全运行发展需求，基于Cite Space软件调研分析了2009年至今的国内外相关文献，具体阐述了掺氢天然气管道泄漏扩散发展进程与研究热点。在研究现状方面，将掺氢天然气管道应用场景分为受限空间（厨房餐厅、站场阀室、地下管廊及隧道）与非受限空间（架空管道、埋地管道及海底管道）两大类，分别分析了各个应用场景下的研究方法、泄漏积聚现象、扩散规律及其影响因素，并结合行业趋势与技术研究进展对未来研究方向提出建议。【结果】中国掺氢天然气管道泄漏扩散相关研究起步较晚，但发展迅速。相比非受限空间，受限空间更容易出现掺氢天然气积聚并形成爆炸性气体混合物。在研究方法上，掺氢天然气管道泄漏扩散研究主要采用数值模拟方法，基于分子动力学的理论研究较少，且实验与管道实际运行情况贴合度较低。在研究方向上，目前缺乏部分典型用氢环境的模拟研究，掺氢天然气管道泄漏扩散监检测技术相关研究亟需深入。【结论】建议进一步加强开展全尺寸多场耦合实验，加强水下、高压场景下掺氢天然气泄漏扩散规律探究，同时聚焦于掺氢天然气管道泄漏扩散监检测技术，制定具体的量化风险评估和安全评价方法，为建立专门的掺氢天然气管道输送标准及相关监管政策提供技术支持。

Abstract:: 【Objective】 At present, a certain proportion of hydrogen into the natural gas pipeline network is an effective way to develop low-carbon economy and solve the problem of power abandonment caused by excess renewable energy generation. Ensuring the safe operation of hydrogen-doped natural gas pipelines is of great significance to energy development. 【Methods】 In order to actively respond to the safe operation and development needs of hydrogen-doped natural gas pipelines, the Cite Space software was used to investigate and analyze relevant domestic and foreign literature since 2009, and specifically elaborate the development process and research hotspots of hydrogen-doped natural gas pipeline leakage and diffusion. In terms of research status, the application scenarios of hydrogen-doped natural gas pipelines are divided into two categories: restricted space (kitchen, restaurant, station valve room, underground pipe gallery and tunnel) and unrestricted space (overhead pipeline, buried pipeline and submarine pipeline). The research methods, leakage accumulation phenomenon, diffusion law and related influencing factors under each application scenario are analyzed respectively. The future research direction is also suggested according to the industry trend and research progress. 【Results】 The research on leakage and diffusion of hydrogen-doped natural gas pipelines in China started late, but developed rapidly. Compared with unconfined space, hydrogen-doped natural gas is more likely to accumulate and form explosive gas mixtures in confined space. In terms of research methods, mainly relying on numerical simulation, theoretical research based on molecular dynamics is rarely carried out, and the compatibility between experiments and actual pipeline operation is low. In terms of research direction, there is a lack of simulation research on some typical hydrogen environment at present, and the research on leakage diffusion monitoring and detection technology of hydrogen-doped natural gas pipelines needs to be in-depth. 【Conclusion】 It is recommended to further strengthen the full-size multi-field coupling experiment and the exploration of the leakage and diffusion law of hydrogen-doped natural gas under underwater and high-pressure scenarios, while focusing on the research of monitoring and detection technology, formulate specific quantitative risk assessment and safety evaluation methods, and provide technical support for the establishment of special hydrogen-doped natural gas pipeline transportation standards and related regulatory policies.

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更新日期/Last Update: 2024-06-17