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[1]倪姗姗　黄冬　胡开胜　崔祥.西气东输二线站场收发球筒位移原因及解决方案[J].油气储运,2016,35(预出版):1-5.
　NI Shanshan,HUANG Dong,HU Kaisheng,et al.Causes and solution for displacements of pig launchers and receivers in stations along 2nd West-to-East Gas Pipeline[J].Oil & Gas Storage and Transportation,2016,35(预出版):1-5.
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西气东输二线站场收发球筒位移原因及解决方案

《油气储运》[ISSN:1000-8241/CN:13-1093/TE] 卷: 35 期数: 2016年预出版期 页码: 1-5 栏目: 出版日期: 2016-12-25
Title:
Causes and solution for displacements of pig launchers and receivers in stations along 2nd West-to-East Gas Pipeline
作者:

倪姗姗　黄冬　胡开胜　崔祥

Author(s):

NI Shanshan;  HUANG Dong;  HU Kaisheng;  CUI Xiang

关键词:

西气东输二线; 收发球筒; 位移; 应力分析; 风险控制

Keywords:

2nd West-to-East Gas Pipeline;  pig launcher and receiver;  displacement;  stress analysis;  risk control

分类号:
TE89
文献标志码:
A
摘要:
由于温度、 土壤压实系数的差异以及管道基础沉降等所产生的各种外力作用， 高压力、 大口径天然气管道中间压气站的收发球筒和进出站截断阀在日常运行中容易出现位移。通过应力分析模型， 选取应力分析参数， 进行应力核算， 并结合沿线各站场气象条件和地质情况， 分析得出收发球筒和进出站截断阀发生位移的原因是：设计阶段应力分析计算选取的环境温度、 土壤压实系数与施工过程中实际情况偏差较大， 同时部分站场厂区埋地管道存在沉降现象也加大了管道的弯矩和所承受的应力。基于此， 提出了有针对性的解决方案：采取支架与管道焊接和环氧砂浆灌浆料浇筑加固的治理措施， 通过实施整改， 取得了较好的效果， 西气东输二线现场位移风险得到了控制。

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更新日期/Last Update: 2015-09-14