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[1]徐广丽,张国忠,赵仕浩.管道低洼处积水排除实验[J].油气储运,2011,30(05):369-372,375.[doi:10.6047/j.issn.1000-8241.2011.05.014]
　Xu Guangli,Zhang Guozhong,Zhao Shihao.An experiment on dewatering for lower location of pipeline[J].Oil & Gas Storage and Transportation,2011,30(05):369-372,375.[doi:10.6047/j.issn.1000-8241.2011.05.014]

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管道低洼处积水排除实验

《油气储运》[ISSN:1000-8241/CN:13-1093/TE] 卷: 30 期数: 2011年05期页码: 369-372,375 栏目: 出版日期: 2011-05-25

Title:: An experiment on dewatering for lower location of pipeline

文章编号:: 1000-8241(2011)05-0369-04

作者:: 徐广丽; 张国忠; 赵仕浩; 中国石油大学（华东）储运与建筑工程学院，山东青岛 266555

Author(s):: Xu Guangli; Zhang Guozhong; Zhao Shihao; College of Pipeline and Civil Engineering，China University of Petroleum，Qingdao，Shandong， 266555.

关键词:: 成品油管道; 内腐蚀; 偏心大水滴; 积水; 油流携水; 油水两相流

Keywords:: products pipeline; internal corrosion of pipeline; exocentric big water drop; water deposition; oil carrying water; oil/water two-phase flow

分类号:: TE88

DOI:: 10.6047/j.issn.1000-8241.2011.05.014

文献标志码:: A

摘要:: 通过分析成品油管道清管杂质中铁锈和水的来源，指出管道不断产生杂质的原因是管道投产期间水压试验过程中低洼处积水引起的管道内腐蚀。提出了油流携水的积水排除方法。为研究油流携水系统的流型、积水分布以及出水量，分别利用透明管、钢管对积水在油流冲刷作用下的运动形态和出水量大于0的临界条件进行了实验研究。借助由下倾、水平、上倾3段测试管段组成的内径为15mm的玻璃管和内径为25 mm的塑料管两套实验系统，采用柴油和水分别对积水分布形态进行了观察，并利用内径为27 mm的钢管实验系统对上倾管段不同位置的出水量进行测量。在实验范围内，油相流量较小时，积水以近壁偏心大水滴的形式在油流携带下向前爬行；随油相流量增大，偏心大水滴下游被打散成小水滴进入油流；油相流量越大，大水滴经过的距离越长，出水量越大。

Abstract:: This paper shows causes of constant impurities occurred in pipeline by analyzing rust and origins in pig impurities of products pipeline，that is，the internal corrosion of pipeline was brought by water deposition in lower location of pipeline during its hydrotest in pipeline commissioning period. It brings out dewatering methods for oil carrying water. To study the flow pattern of oil carrying water system，distribution and volume of water deposition，experimental study on the movement form of water deposition flushed by oil flow and the water volume greater than zero at critical condition are made with transparent tube and steel tube. Diesel oil and water are used in order to observe the distribution shape of water deposition by means of a 15 mm（inner diameter） glass tube comprised of downward， level and upward testing sections and a 25 mm（inner diameter）plastic tube experimental system. Meanwhile，a 27 mm（inner diameter）steel tube is used as the experimental tool to measure the water volume in different position of upward pipe. Water deposition tends to move forward by oil carrying in a form of wall-closed exocentric big water drop when velocity of oil phase is comparatively slower；increasing velocity of oil phase will scatter the lower part of exocentric big water drops into small ones；the bigger the flow rate of oil is，the longer the distance of big water drop travelled is and the higher the water volume is.

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备注/Memo

徐广丽，在读博士生，1984年生，2006年毕业于中国石油大学（华东）油气储运专业，现主要从事成品油管道的油携水机理和过程研究。
电话：18754272112；Email：530xugl@163.com（收稿日期：2010-10-11）

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