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[1]杨慧,段庆全,杨玉锋,等.在役天然气管道改输气态CO2失效后果影响因素与危害范围变化研究*[J].中国安全生产科学技术,2025,21(12):31-38.[doi:10.11731/j.issn.1673-193x.2025.12.004]
　YANG Hui,DUAN Qingquan,YANG Yufeng,et al.Research on the influence factors and changes in the hazard scope of failure consequences in existing gas pipelines for carbon dioxide transport[J].Journal of Safety Science and Technology,2025,21(12):31-38.[doi:10.11731/j.issn.1673-193x.2025.12.004]
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在役天然气管道改输气态CO2失效后果影响因素与危害范围变化研究*

《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
21
期数:
2025年12期
页码:
31-38
栏目:
学术论著
出版日期:
2025-12-30

文章信息/Info

Title:
Research on the influence factors and changes in the hazard scope of failure consequences in existing gas pipelines for carbon dioxide transport
文章编号:
1673-193X(2025)-12-0031-08
作者:
杨慧; 段庆全; 杨玉锋; 刘啸奔; 张强
（1.中国石油大学（北京） 安全与海洋工程学院，北京 102200；
2.应急管理部油气生产安全与应急技术重点实验室，北京 102200；
3.国家管网集团科学技术研究总院分公司，天津 300457；
4.中国石油大学（北京） 油气运输安全国家工程研究中心，北京 102200）
Author(s):
YANG Hui;  DUAN Qingquan;  YANG Yufeng;  LIU Xiaoben;  ZHANG Qiang
（1.College of Safety and Ocean Engineering,China University of Petroleum (Beijing)，Beijing 102200，China;
2.Key Laboratory of Oil and Gas Safety and Emergeney Technology,Ministry of Emergeney Management,Beijing 102200,China;
3.PipeChina Science and Technology Research Institute Branch，Tianjin 300457，China;
4.National Engineering Research Center for Oil and Gas Pipeline Transportation Safety,China University of Petroleum (Beijing)，Beijing 102200，China）
关键词:
管道改输; 失效后果; CO2管道; 天然气管道
Keywords:
pipeline repurposing;  failure consequences;  CO2 pipeline;  natural gas pipeline
分类号:
X937；TE832
DOI:
10.11731/j.issn.1673-193x.2025.12.004
文献标志码:
A
摘要:
为顺利推进“双碳”目标实现，评估在役天然气管道改输CO2前后管道失效后果模式及危害距离的变化，基于CO2与天然气在物性及致害机理上的显著差异，以某在役天然气管道为例，对比分析了不同压力、温度、泄漏孔径及环境条件下，2种介质管道的失效后果模式及危害距离变化，并对比最不利工况下1%致死率危害范围。研究结果表明：相较于在役天然气管道，CO2管道的危险距离对温度和压力变化表现出非线性关系及高敏感性，易受环境条件影响。在最不利工况下导致1%致死率的CO2管道失效后果距离为235 m，超过天然气管道的219 m。研究结果可为改输CO2管道运行参数设计和安全管理提供定量化参考。
Abstract:
In order to smoothly advance the achievement of the “dual-carbon” goals,this study evaluates the changes in failure consequence modes and hazard distances of an in-service gas pipeline before and after repurposing for CO2 transport.Considering the significant differences between CO2 and natural gas in physical properties and damage mechanisms,an in-service natural gas pipeline is taken as a case study to comparatively analyze the failure consequence modes and hazard distances of pipelines carrying the two media under different pressures,temperatures,leak hole diameters,and environmental conditions.The 1% lethality hazard range under the most unfavorable conditions is also compared.The results show that,compared with the in-service natural gas pipeline,the hazardous distance of the CO2 pipeline exhibits a nonlinear relationship with temperature and pressure and is highly sensitive to their variations,making it more susceptible to environmental conditions.Under the most unfavorable conditions,the failure consequence distance corresponding to a 1% fatality rate for the CO2 pipeline is 235 m,exceeding that of the natural gas pipeline (219 m).These findings provide quantitative references for operating-parameter design and safety management of pipelines repurposed for CO2 transport.

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备注/Memo

备注/Memo:
收稿日期： 2025-09-27
* 基金项目： 国家石油天然气管网集团有限公司科学研究与技术开发项目（DTXNY202401）；应急管理部重点科技计划项目（2024EMST090903）
作者简介： 杨慧，硕士研究生，主要研究方向为油气管网风险评价。
通信作者： 段庆全，博士，副教授，主要研究方向为油气管道强度与安全分析。
更新日期/Last Update: 2026-01-05