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[1]方丽萍,梁金禄,莫昌县,等.多点泄漏对天然气管道沿线压力的影响研究[J].中国安全生产科学技术,2020,16(2):104-109.[doi:10.11731/j.issn.1673-193x.2020.02.017]
　FANG Liping,LIANG Jinlu,MO Changxian,et al.Study on influence of multipoint leakage on pressure along natural gas pipeline[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2020,16(2):104-109.[doi:10.11731/j.issn.1673-193x.2020.02.017]
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多点泄漏对天然气管道沿线压力的影响研究
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
16
期数:
2020年2期
页码:
104-109
栏目:
职业安全卫生管理与技术
出版日期:
2020-02-29

文章信息/Info

Title:
Study on influence of multipoint leakage on pressure along natural gas pipeline
文章编号:
1673-193X(2020)-02-0104-06
作者:
方丽萍; 梁金禄; 莫昌县; 江吉华
（1.北部湾大学 石油与化工学院，广西 钦州 535011;
2.广西高校北部湾石油天然气资源有效利用重点实验室，广西 钦州 535011）
Author(s):
FANG Liping;  LIANG Jinlu;  MO Changxian;  JIANG Jihua
(1.College of Petroleum and Chemical Engineering,Beibu Gulf University,Qinzhou Guangxi 535011,China;
2.Guangxi Colleges and Universities Key Laboratory of Beibu Gulf Oil and Natural Gas Resource Effective Utilization,Qinzhou Guangxi 535011,China)
关键词:
气体管道; 多点泄漏; 压力; 泄漏模型
Keywords:
gas pipeline;  multipoint leakage;  pressure;  leakage model
分类号:
X937;TE83
DOI:
10.11731/j.issn.1673-193x.2020.02.017
文献标志码:
A
摘要:
为研究不同的多点泄漏工况对管道流动参数的影响，基于流动方程建立数学模型，讨论泄漏后压力下降幅值与泄漏位置、泄漏点数的关系，在室内输气环道采集多点泄漏工况下的压力信号并对理论分析结果进行验证。结果表明：泄漏点的上游和下游压力均减小，越靠近泄漏点压力降越大；2个泄漏点之间压力也下降，越靠近上游泄漏点，压力下降幅度越大；泄漏点距起点越近，泄漏引起的压力降低幅值越大。压力下降的幅值受距离起点最近的泄漏点位置影响最大，且随着泄漏点数的增多而增大。
Abstract:
In order to study the influence of multipoint leakage conditions on the flow parameters of pipeline,a mathematics model was established based on the flow equations.The relationship between pressure drop amplitude after leakage and the leak location and leakage points number was discussed,then the pressure signals under the multipoint leakage conditions were collected by using the indoor gas transmission circuit,and the results of theoretical analysis were verified.The results showed that both the pressures at upstream and downstream of leakage point decreased,and the closer to the leakage point,the larger the pressure drop.The pressure between two leakage points also decreased,and the closer to the upstream leakage point,the larger the pressure drop amplitude.The closer the leakage point to the starting point,the larger the pressure drop amplitude caused by the leakage.The location of leakage point being the closest to the starting point had the greatest influence on the pressure drop amplitude,which increased with the increase of leakage points number.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期： 2019-11-15
* 基金项目： 2018广西高校中青年教师基础能力提升项目（2018KY0605）；广西重点研发计划项目（2016AB13011，2017AB54041）
作者简介： 方丽萍，博士研究生，讲师，主要研究方向为油气管道泄漏检测与安全管理。
通信作者： 梁金禄，硕士，高级工程师，主要研究方向为城镇燃气管道泄漏检测与安全管理。
更新日期/Last Update: 2020-03-16