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[1]陈霖.CO2 管道介质泄漏体积分数分布及危险区域实验[J].油气储运,2017,36(10):1162-1167.[doi:10.6047/j.issn.1000-8241.2017.10.010]
　CHEN Lin.Experiment on the medium volume fraction distribution and hazardous area in the case of CO2 pipeline leakage[J].Oil & Gas Storage and Transportation,2017,36(10):1162-1167.[doi:10.6047/j.issn.1000-8241.2017.10.010]

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CO2 管道介质泄漏体积分数分布及危险区域实验

《油气储运》[ISSN:1000-8241/CN:13-1093/TE] 卷: 36 期数: 2017年第10期页码: 1162-1167 栏目: 输送与储存出版日期: 2017-10-25

Title:: Experiment on the medium volume fraction distribution and hazardous area in the case of CO2 pipeline leakage

文章编号:: 1000-8241（2017）10-1162-06

作者:: 陈霖; 中石化石油工程设计有限公司

Author(s):: CHEN Lin; SINOPEC Petroleum Engineering Corporation

关键词:: CO2; 长输管道; 泄漏; 扩散; 危险区域

Keywords:: CO2; long-distance pipeline; leakage; dispersion; hazardous area

分类号:: TE832

DOI:: 10.6047/j.issn.1000-8241.2017.10.010

文献标志码:: A

摘要:: CO2 管道发生泄漏时的介质体积分数扩散规律和危险区域范围是CO2 管道安全评估的一项重要内容。基于长度为258 m 的工业规模CO2 管道泄放实验装置，开展了气相、密相及超临界相CO2 在不同泄放口径下的泄漏实验，测量了扩散区域不同位置CO2 的体积分数。以各测点体积分数的最大值为对象，分析了泄放口轴向CO2 体积分数随距离的变化规律及扩散区域CO2 体积分数分布情况。结果表明：在3 种相态情况下，泄放口轴向CO2 体积分数随距离增加而呈指数衰减。若CO2 体积分数取1％，当泄放口径为15 mm 时，3 种相态轴向危险距离约为30 m；当泄放口径为50 mm 时，轴向危险距离约为40 m。考虑风速、地形条件、测试误差等因素，以2 倍安全裕量设定安全距离较为适宜。研究结果为工业应用时安全距离的设定提供了参考。（图6，表1，参20）

Abstract:: The dispersion laws of medium volume fraction and the scope of hazardous area in the case of CO2 pipeline leakage are the important parts in safety assessment of CO2 pipeline. In this paper, leakage experiments were performed on CO2 of gas phase, dense phase and supercritical phase at different discharge diameters by using an industrial scale CO2 pipeline release experiment device of 258 m long, and CO2 volume fraction in different points of dispersion area were measured. The maximum volume fraction of each measurement point was taken as the study object to analyze the change law of CO2 volume fraction with the distance along the axis of release orifice and the distribution of CO2 volume fraction in the dispersion area. It is indicated that CO2 volume fraction in three phase states decreases exponentially with the increasing of distance along the axis of release orifice. If CO2 volume fraction is set at 1%, the hazardous distance along the axis in three phase states is about 30 m for the discharge diameter of 15 mm and 40 m for that of 50 mm. Considering the factors of wind velocity, land form, testing error and etc., it is appropriate to set two times of safety allowance as the safety distance. The research results can be used as the reference for the setting of safety distance in the process of industrial application. (6 Figures, 1 Table, 20 References)

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备注/Memo

作者简介：陈霖，男，1982 年生，高级工程师，2004 年毕业于中国石油大学（华东）油气储运工程专业，现主要从事石油、天然气及二氧化碳长输管道工程的设计工作。地址：山东省东营市济南路49 号中石化石油工程设计有限公司，257026。电话：15615461129，Email：slecccl@163.com

更新日期/Last Update: 2017-10-15