螺旋分离器水流动特性的CFD模拟与PIV试验

doi:10.7623/syxb201802011

石油学报 ›› 2018, Vol. 39 ›› Issue (2): 223-231.DOI: 10.7623/syxb201802011

螺旋分离器水流动特性的CFD模拟与PIV试验

徐保蕊^1,2, 蒋明虎^1,2, 赵立新^1,2, 王月文^1,2, 张晓光^1,2, 邓鑫³

1. 东北石油大学机械科学与工程学院黑龙江大庆 163318;
2. 黑龙江省石油石化多相介质处理及污染防治重点实验室黑龙江大庆 163318;
3. 中国石油天然气管道工程有限公司河北廊坊 065000

收稿日期:2017-01-07 修回日期:2017-11-22 出版日期:2018-02-25 发布日期:2018-03-09
通讯作者: 蒋明虎,男,1962年7月生,1984年获大庆石油学院学士学位,2001年获哈尔滨工业大学博士学位,现为东北石油大学校长、机械科学与工程学院教授,主要从事油田水处理技术及不互溶介质多相分离技术研究。Email:jmhdq2015@163.com
作者简介:徐保蕊,男,1985年11月生,2009年获燕山大学学士学位,2012年获东北石油大学硕士学位,现为东北石油大学博士研究生,主要从事油田采出液水处理技术、旋流分离等流体机械工程技术研究。Email:xubaorui2009@126.com
基金资助:
国家高技术研究发展计划（863）项目（2012AA061303）和高等学校博士学科点专项科研基金项目（20132322110002）资助。

CFD simulation and PIV test of water flow characteristics in helix separator

Xu Baorui^1,2, Jiang Minghu^1,2, Zhao Lixin^1,2, Wang Yuewen^1,2, Zhang Xiaoguang^1,2, Deng Xin³

1. School of Mechanical Science and Engineering, Northeast Petroleum University, Heilongjiang Daqing 163318, China;
2. Heilongjiang Key Laboratory of Petroleum and Petrochemical Multiphase Media Treatment and Pollution Prevention, Heilongjiang Daqing 163318, China;
3. China Petroleum Pipeline Engineering Corporation, Hebei Langfang 065000, China

Received:2017-01-07 Revised:2017-11-22 Online:2018-02-25 Published:2018-03-09

摘要/Abstract

摘要： 设计了一种新的螺旋分离器，采用CFD数值模拟技术对螺旋分离器的入口管段、螺旋分离段及出口管段内流体流动速度场及压力损失分布特性进行了分析，结合PIV流场测试试验对分离器的入口管段和出口管段内流体流动速度场进行了测量和对比分析。介绍了螺旋分离器油水分离的工作原理、结构参数及PIV实验流程。结果表明：该螺旋分离器螺旋导流效果明显，在螺旋分离段及出口管段内具有持续时间长、离心分离强的螺旋流分离流场；流体流过螺旋分离段后，在出口管段内可形成稳定的螺旋流场；通过对比分离器内入口管段及出口管段PIV试验速度测量值与数值模拟值，结果吻合良好，验证了模拟结果的可靠性；通过分离器的压力损耗分析，指出了螺旋分离器的主要压力损耗位置，设计工况下的分离器最大压力损耗不超过90 kPa。

关键词: 螺旋分离器, PIV试验, 数值模拟, 螺旋流, RSM模型, 速度分布, 压力损耗

Abstract: Aiming at a newly designed helix separator, the CFD numerical simulation technique was used to analyze the fluid flow velocity field and pressure loss distribution characteristics in the inlet pipe section, helical separation section and outlet pipe section of helix separator. In combination with PIV field test, the measurement and comparative analysis were performed on the fluid flow velocity field in the inlet and outlet pipe sections of separator. This paper also introduced the oil-water separation operating principle, structure parameter and PIV experimental procedure of helix separator. The results show that the newly designed helix separator has an obvious effect on helix diversion; it possesses the helical-flow separation flow field with long duration and strong centrifugal separation in the helical separation section and outlet pipe section. After the fluids flow through the helical separation section, a stable helical flow field can be formed in the outlet pipe section. Through the comparison of PIV test velocity measurement value and numerical simulation value between the inlet and outlet pipe sections of separator, it was found that they had a good consistence, thus verifying the reliability of simulation results. By analyzing the pressure loss of separator, the main pressure loss position of helix separator was determined. The results show that under the design working condition, the maximum pressure loss of separator is unable to exceed 90 kPa.

Key words: helix separator, PIV test, numerical simulation, helical flow, RSM model, velocity distribution, pressure loss

中图分类号:

TE85

徐保蕊, 蒋明虎, 赵立新, 王月文, 张晓光, 邓鑫. 螺旋分离器水流动特性的CFD模拟与PIV试验[J]. 石油学报, 2018, 39(2): 223-231.

Xu Baorui, Jiang Minghu, Zhao Lixin, Wang Yuewen, Zhang Xiaoguang, Deng Xin. CFD simulation and PIV test of water flow characteristics in helix separator[J]. Acta Petrolei Sinica, 2018, 39(2): 223-231.

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螺旋分离器水流动特性的CFD模拟与PIV试验

CFD simulation and PIV test of water flow characteristics in helix separator

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