化工学报 ›› 2019, Vol. 70 ›› Issue (5): 1734-1741.doi: 10.11949/j.issn.0438-1157.20181285

• 流体力学与传递现象 • 上一篇    下一篇

水平管路水环输送稠油减阻模拟实验

吴君强1,2(),蒋文明1,2(),杜仕林3,刘杨1,2   

  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. 山东省油气储运安全省级重点实验室，青岛市环海油气储运技术重点实验室，山东 青岛 266580
    3. 中国石油管道局工程有限公司，河北 廊坊 065000
  • 收稿日期:2018-10-31 修回日期:2019-02-19 出版日期:2019-05-05 发布日期:2019-05-10
  • 通讯作者: 蒋文明 E-mail:1932946766@qq.com;jiangwenming@upc.edu.cn
  • 作者简介:<named-content content-type="corresp-name">吴君强</named-content>（1995—），男，硕士研究生，<email>1932946766@qq.com</email>|蒋文明（1982—），男，博士，副教授，<email>jiangwenming@upc.edu.cn</email>
  • 基金资助:
    国家自然科学基金项目(51406240);山东省自然科学基金项目(ZR2014EEQ003);青岛市源头创新计划应用基础研究项目(17-1-1-88-jch)

Experiment on drag reduction of heavy oil in horizontal pipeline by water annular conveying

Junqiang WU1,2(),Wenming JIANG1,2(),Shilin DU3,Yang LIU1,2   

  1. 1. College of Pipeline and Civil Engineering, China University of Petroleum, Qingdao 266580, Shandong, China
    2. Shandong Provincial Key Laboratory of Oil & Gas Storage and Transportation Safety, Qingdao Key Laboratory of Circle Sea Oil & Gas Storage and Transportation Technology, Qingdao 266580, Shandong, China
    3. China Petroleum Pipeline Bureau Engineering Co., Ltd., Langfang 065000, Hebei, China
  • Received:2018-10-31 Revised:2019-02-19 Online:2019-05-05 Published:2019-05-10
  • Contact: Wenming JIANG E-mail:1932946766@qq.com;jiangwenming@upc.edu.cn

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摘要：

随着石油开采的增加，黏度较大的稠油输送受到越来越多的关注。基于自主设计的两相流水环输送稠油实验系统，模拟并开展了水环输送稠油实验。拍摄了水环发生器在不同间隙尺寸下的流动流型，分析了不同实验条件下的水环输送稠油减阻效果。结果表明：水环输送可以大大降低管道输送过程中压降；结合实验和模拟，水环发生器间隙尺寸在0.9～1.4 mm时，水环的减阻效果最好；流速增加会增大单位管道上的压降，降低水环输送的减阻效果。

关键词: 石油, 黏度, 两相流, 水环, 压降, 减阻, 实验

Abstract:

With the increase of oil exploitation, the transportation of heavy oil with higher viscosity has received more and more attention. Based on the self-designed two-phase flow water annular transport heavy oil experimental system, the water annular transport heavy oil experiment was simulated and carried out. The flow pattern of the water annular generator under different gaps is captured, and the drag reduction effect of heavy oil transportation by water annular under different experimental conditions was analyzed. The experimental and simulated results show that the pressure drop in pipeline transportation can be greatly reduced by water annular conveying, and the water annular generator has the best drag reduction effect when the gap size is 0.9—1.4 mm. The pressure drop per unit pipeline will increase with flow rate, and high flow rate will reduce the drag reduction effect of water annular transportation.

Key words: petroleum, viscosity, two-phase flow, water annular, pressure drop, drag reduction, experiment

中图分类号: 

  • TE 832

图1

水环输送稠油实验系统"

图2

水环发生器结构"

表1

实验仪器与材料"

Instrument Model
water pump WCB75
oil pump YBHW3-80M1-2
pressure gauge LD-Y190
high speed camera HX-7
lubricating oil L-HM68
dyeing agent oil soluble dyes

图3

水环示意图及拍摄图"

图4

单相水、单相油与形成水环时的管线压力分布"

图5

水环发生器在不同间隙下的沿线压降"

图6

水环失稳图"

图7

高速摄像仪拍摄的水环流型"

图8

不同间隙下稠油体积分数管道分布情况"

图9

不同间隙下稠油体积分数管道横截面处分布情况"

图10

不同间隙尺寸下所形成的水环压降"

表2

不同间隙下环状流的压降实验数据"

Oil velocity/

(m/s)

 Water velocity/(m/s) Gap size/mm Pressure drop/(Pa/m)
0.8 0.8 0.9 800
0.8 0.8 1.4 1000
0.8 0.8 1.9 1200
1.0 1.0 0.9 901
1.0 1.0 1.4 1122
1.0 1.0 1.9 1357
1.2 1.2 0.9 1024
1.2 1.2 1.4 1249
1.2 1.2 1.9 1489
1.4 1.4 0.9 1142
1.4 1.4 1.4 1389
1.4 1.4 1.9 1596
1.6 1.6 0.9 1357
1.6 1.6 1.4 1539
1.6 1.6 1.9 1799

图11

不同流速下的压降"

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