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[1]樊绪平,雷雨,王银娜,等.利用SCADA 系统防止西气东输管道冰堵的预警逻辑[J].油气储运,2014,33(10):1091-1094.[doi:10.6047/j.issn.1000-8241.2014.10.014]
　FAN Xuping,LEI Yu,WANG Yinna,et al.Warning logic of ice blockage with SCADA for West-to-East Gas Pipeline[J].Oil & Gas Storage and Transportation,2014,33(10):1091-1094.[doi:10.6047/j.issn.1000-8241.2014.10.014]

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利用SCADA 系统防止西气东输管道冰堵的预警逻辑

《油气储运》[ISSN:1000-8241/CN:13-1093/TE] 卷: 33 期数: 2014年第10期页码: 1091-1094 栏目: 出版日期: 2014-10-25

Title:: Warning logic of ice blockage with SCADA for West-to-East Gas Pipeline

作者:: 樊绪平; 雷雨; 王银娜; 禹浩; 孙野秋; 中国石油西气东输管道公司豫皖管理处, 河南郑州450008

Author(s):: FAN Xuping; LEI Yu; WANG Yinna; YU Hao; SUN Yeqiu; Henan-Anhui Management Division, PetroChina West-to-East Gas Pipeline Company, Zhengzhou, Henan, 450008

关键词:: 西气东输二线; 冰堵; SCADA; 防冰堵; 预警逻辑; 水露点

Keywords:: 2nd West-to-East Gas Pipeline; ice blockage; SCADA; prevention of ice blockage; warning logic; water dew point

分类号:: TE832

DOI:: 10.6047/j.issn.1000-8241.2014.10.014

摘要:: 西气东输二线输送介质为中亚进口气源,其输送介质的气质较差,为了避免管道冰堵造成分输量不足或严重的停输事件,分析了冰堵产生的原因:分输压差较大、分输时温降起伏大、水露点较高。基于此,建立了防止冰堵的预警逻辑:根据冰堵初期管道的工作调压阀后压力与开度、分输出站压力以及流量计流量等参数变化情况,判断是否形成了初期冰堵现象;通过对调压阀后压力和分输出站压力进行逻辑运算,得出初期冰堵位置,并使用Logix5000 软件实现SCADA 系统防冰堵预警逻辑。现场模拟应用结果表明:该方法能有效实现分输场站不同区域冰堵报警

Abstract:: The 2nd West-to-East Gas Pipeline mainly transmits gas from central Asia. In order to avoid insufficient offtake throughput or serious shutdown event caused by ice blockage, the reasons of ice blockage is analyzed that that includes large offtake pressure differences, large fluctuating temperature drop and higher water dew point. The changes of parameters, such as pressure behind pressure regulating valve and the opening, offtake outlet pressure, and flowrate, are used to determine if initial ice blockage is formed. Logic operations on the pressure behind pressure regulating valve and offtake outlet pressure are conducted to obtain the initial ice blockage position. Moreover, Logix5000 software is applied for realizing logic of SCADA-based ice blockage warning. Field simulation results show that this method can effectively provide prediction and warning of ice blockage in different regions of offtake terminals. So, it is a good reference for the prevention of ice blockage of nature gas pipeline.

参考文献/References:

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备注/Memo

收稿日期:2014-4-10;改回日期:2014-8-7。
作者简介:樊绪平,工程师,1964 年生,1988 年毕业于西南石油学院油气储运专业,现主要从事天然气管道生产管理工作。E-mail:fanxuping@petrochina.com.cn

更新日期/Last Update: 1900-01-01