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[1]刘恩斌,廉殿鹏,苏中亚,等.天然气压气站管道异常振动及减振措施研究*[J].中国安全生产科学技术,2021,17(9):39-44.[doi:10.11731/j.issn.1673-193x.2021.09.006]
　LIU Enbin,LIAN Dianpeng,SU Zhongya,et al.Research on abnormal vibration and vibration reduction measures of pipelines in natural gas compressor station[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2021,17(9):39-44.[doi:10.11731/j.issn.1673-193x.2021.09.006]
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天然气压气站管道异常振动及减振措施研究*
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
17
期数:
2021年9期
页码:
39-44
栏目:
学术论著
出版日期:
2021-09-30

文章信息/Info

Title:
Research on abnormal vibration and vibration reduction measures of pipelines in natural gas compressor station
文章编号:
1673-193X(2021)-09-0039-06
作者:
刘恩斌; 廉殿鹏; 苏中亚; 谢萍; 尚臣; 陈其锟
（1.西南石油大学 石油与天然气工程学院，四川 成都 610500；
2.中国石化中原石油工程设计有限公司，河南 郑州 450006；
3.国家管网西部管道公司，新疆 乌鲁木齐 830000；
4.卡迪夫大学 工程学院，英国 卡迪夫 CF24 3AA）
Author(s):
LIU Enbin;  LIAN Dianpeng;  SU Zhongya;  XIE Ping;  SHANG Chen;  CHEN Qikun
(1.Petroleum Engineering School,Southwest Petroleum University,Chengdu Sichuan 610500,China;
2.Sinopec Zhongyuan Petroleum Engineering Design Limited Company,Zhengzhou Henan 450006,China;
3.Western Pipeline Corporation of National Pipeline Network,Urumchi Xinjiang 830000,China;
4.School of Engineering,Cardiff University,Cardiff CF24 3AA,UK)
关键词:
天然气管道; 异常振动; 现场测量; CFD技术; 振动治理
Keywords:
natural gas pipeline;  abnormal vibration;  field measurement;  CFD technology;  vibration treatment
分类号:
X937；TE832
DOI:
10.11731/j.issn.1673-193x.2021.09.006
文献标志码:
A
摘要:
为解决某压气站管道异常振动问题，采用Caesar Ⅱ软件建立西三线发球筒管线三维计算模型，并运用Fluent软件进行数值分析，查明管道异常振动原因。结果表明：西三线发球筒管道异常振动现象与管内的流体压力波动密切相关，特别是管径为Φ711 mm的西二线与西三线联通管道，其流体的流量过大、流速过高是振动现象产生的主要原因。此外，通过对管道内涡核处压力波动频率及管道系统固有频率的分析，发现压力波动频率与管道系统低阶固有频率相近，易产生共振现象。提出3种减振方案并进行模拟验证，减振效率均在68%~95%之间，可以有效应用到西三线某压气站出站管道，解决管道异常振动问题。
Abstract:
To solve the problem of abnormal vibration of pipeline in a compressor station,a three-dimensional calculation model of pig launcher pipeline in the Third West-East Gas Transmission Pipeline Ⅲ was established by Caesar Ⅱ software,and the numerical analysis was carried out by Fluent software to find out the causes of the abnormal vibration of pipeline.The results showed that the abnormal vibration phenomenon of the pig launcher pipeline in the Third West-East Gas Transmission Pipeline was closely related to the fluid pressure fluctuation in the pipeline,especially in the pipeline connecting the Second West-East Gas Transmission Pipeline and the Third West-East Gas Transmission Pipeline with the diameter of Φ711 mm,the excessive fluid flow and high flow velocity were the main causes of the vibration phenomenon.In addition,through the analysis on the pressure fluctuation frequency at the vortex core in the pipeline and the natural frequency of the pipeline system,it was found that the frequency of pressure fluctuation was close to the low order natural frequency of the pipeline system,which was easy to cause the resonance phenomenon.Three vibration reduction schemes were proposed and verified by simulation,and the vibration reduction efficiencies were all in the range of 68%~95%,which can be effectively applied to the outgoing pipeline of a compressor station in the Third West-East Gas Transmission Pipeline to solve the problem of abnormal vibration.

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备注/Memo

备注/Memo:
收稿日期： 2021-07-01；网络首发日期： 2021-09-13
* 基金项目： 四川省科技厅应用基础研究项目( 2019YJ0352)
作者简介： 刘恩斌，博士，教授，主要研究方向为油气管网仿真与优化技术、瞬变流、计算流体力学。
更新日期/Last Update: 2021-10-02