化工进展 ›› 2015, Vol. 34 ›› Issue (09): 3487-3494.DOI: 10.16085/j.issn.1000-6613.2015.09.045

• 应用技术 • 上一篇    下一篇

基于二项式分布法的压缩机组备用方案

李雪洁1, 李玉星1, 张梦娴1, 刘建武2, 王鹤松3, 沈菊3   

  1. 1. 中国石油大学(华东) 储运与建筑工程学院, 山东 青岛 266580;
    2. 中国石化石油工程设计有限公司, 山东 东营 257000;
    3. 中国石油集团工程设计有限责任公司华北分公司, 河北 任丘 062550
  • 收稿日期:2015-03-09 修回日期:2015-03-29 出版日期:2015-09-05 发布日期:2015-09-05
  • 通讯作者: 李玉星,教授,博士生导师。E-mail:liyx@ucp.edu.cn
  • 作者简介:李雪洁(1988-),女,硕士研究生,主要从事长距离输气管道技术研究。E-mail:xuejiexiaodong@163.com
  • 基金资助:

    国家自然科学基金(51074175、51104175)及中央高校基本科研业务费专项项目(11CX06075A)。

Study on standby scheme of compressor units based on Binomial Distribution

LI Xuejie1, LI Yuxing1, ZHANG Mengxian1, LIU Jianwu2, WANG Hesong3, SHEN Ju3   

  1. 1. College of Pipeline and Civil Engineering, China University of Petroleum(East China), Qingdao 266580, Shandong, China;
    2. SINOPEC Petroleum Engineering Design Co., Ltd., Dongying 257000, Shandong, China;
    3. China Petroleum Engineering Huabei Company, Renqiu 062550, Hebei, China
  • Received:2015-03-09 Revised:2015-03-29 Online:2015-09-05 Published:2015-09-05

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摘要： 天然气长输管道压缩机组备用方案的设计中,对其的定量分析一直以来是研究难点。本文采用二项式分布算法提出了一种基于定量计算的设计方法,并给出了详细的设计流程。首先使用二项式分布法对全线机组的失效概率进行计算,得到了同时失效机组数量;其次通过单机故障分析确定失效机组的位置;然后对多种故障工况进行模拟,分析故障工况下的运行参数,最终确定备用方案。并以某管道为例对该方法进行了工程应用,结果表明一条设有20座压气站的管道仅需设置11台备用机组,即可保证管道在多种故障工况下均能正常运行。研究结果表明,基于二项式分布法的压缩机组备用方法研究减少了备用压缩机组数量,降低了工程投资和管理成本,具有很好的理论和工程应用价值。

关键词: 压缩机, 备用方案, 二项式分布法, 不可用率, 动态仿真, 优化

Abstract: There is a big challenge in the design of compressor unit standby scheme in long distance gas pipeline due to a lack of quantitative analysis method. This paper proposed a design method based on quantitative calculation,and provided detailed design process. Firstly,the unavailability of all units was calculated using Binomial Distribution,and the number of units failing at the same time was obtained. Secondly,failure units were located by single fault analysis. Thirdly,fault conditions were simulated. Finally,the standby scheme was determined by analyzing the operation parameters of different fault conditions. This method was verified by calculating a pipeline. The results showed that only 11 standby units were enough for the pipeline equipped with 20 compressor stations. The operation security of this pipeline can be guaranteed under various fault conditions. The number of standby units was reduced,consequently reducing the cost of engineering investment and management.

Key words: compressor, standby scheme, Binomial Distribution, unavailability, dynamic simulation, optimization

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