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[1]黄启玉,何莎莎.蜡沉积层冲刷实验[J].油气储运,2011,30(04):312-313,319.[doi:10.6047/j.issn.1000-8241.2011.04.021]
　Huang Qiyu and He Shasha.Scouring test of wax deposition layer[J].Oil & Gas Storage and Transportation,2011,30(04):312-313,319.[doi:10.6047/j.issn.1000-8241.2011.04.021]
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蜡沉积层冲刷实验

《油气储运》[ISSN:1000-8241/CN:13-1093/TE] 卷: 30 期数: 2011年04期 页码: 312-313,319 栏目: 出版日期: 2011-04-25
Title:
Scouring test of wax deposition layer
文章编号:
1000-8241(2011)04-0312-02
作者:
黄启玉; 何莎莎
中国石油大学（北京）城市油气输配技术北京重点实验室，北京 102249
Author(s):
Huang Qiyu and He Shasha
Huang Qiyu：Beijing Key Laboratory of Urban Oil and Gas Distribution Technology，China University of Petroleum（Beijing），Beijing，102249.
关键词:
原油管道; 冷指实验; 蜡沉积; 冲刷; 析蜡点; 含蜡量
Keywords:
crude oil pipeline; cold finger experiment; wax deposition; scouring; wax precipitation point; wax content
分类号:
TE832
DOI:
10.6047/j.issn.1000-8241.2011.04.021
文献标志码:
A
摘要:
准确预测管道，特别是长期不清管的管道沿线的蜡沉积分布是原油管道蜡沉积研究的一个重要方向。任京管道采用正反输送工艺，蜡沉积规律与其它输油管道不同。设计、安装了冷指实验装置，动态模拟了原油的蜡沉积，研究了原油冷指温差、原油温度区间、搅拌转速对沉积物析蜡点和含蜡量的影响。研究结果表明：原油冷指温差与温度区间是影响蜡沉积的主要因素，沉积物的析蜡点和含蜡量均随着冷指处蜡分子质量分数梯度的升高而降低。现场实验表明：出站油温的提高能够有效地融化管道的蜡层，而输量的提高对蜡层的冲刷影响很小。
Abstract:

To predict wax deposition distribution in oil pipeline，especially the pipeline without pigging for a long period，is an important research direction. Because the forward-backward transportation process is used in Renqiu-Beijing Oil Pipeline，the wax deposition law of the pipeline is different from other oil pipelines. In this case，a cold finger（CF）device has been designed and installed in order to dynamically simulate the wax deposition of crude oil. Influences of temperature difference of oil CF， temperature range of crude oil and blending speed on wax precipitation point and deposition content are researched. The results show that temperature difference oil CF and temperature range are the main factor to affect wax deposition，and the wax precipitation point and deposition content are decreased with the increase of concentration gradient of wax molecular. Field experiments display that higher outlet oil temperature can effectively melt the wax layer attached on pipe wall，and little scouring effect is found on wax layer when increasing throughput.

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参考文献/References:

[1]黄启玉．含蜡原油管道蜡沉积动力学模型的研究[D]．北京：石油大学（北京），2000：56-82．
[2]黄启玉，赵晨阳，陈达卫．一种新的原油析蜡量测定方法[J]．油气储运，2005，24（9）：34-38．
[3]黄启玉，李瑜仙，张劲军．普适性结蜡模型研究[J]．石油学报，2008，29（3）：459-462．
[4]黄启玉，苗青，陆新东，等．管道沿线结蜡分布不均匀对蜡层厚度计算的影响[J]．油气储运，2008，27（3）：24-26．
[5]黄启玉，张劲军，严大凡．一种新的蜡沉积模型[J]．油气储运，2003，22（11）：22-25．
[6]穆昕，黄启玉，张劲军．管壁剪切应力对蜡沉积的影响[J]．油气储运，2003，22（3）：1-4．
[7]李立，张文萍，马伟平，等．任京管道正反输运行结蜡规律研究[J]．油气储运，2008，27（6）：1-5．
[8]王凯，虞军．搅拌设备[M]．北京：化学工业出版社，2003：20-105．






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备注/Memo

作者简介：黄启玉，研究员，1969 年生，2000 年博士毕业于石油大学（北京）油气储运工程专业，现主要从事原油长距离管道输送工艺和蜡沉积规律研究。
电话：010-89732203；Email：huang_qi_yu@sina.com.cn?? ?收稿日期：2010-06-29

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