|本期目录/Table of Contents|

[1]孙 媛,曹学文,梁法春.基于分流分相法的环壁多窄缝取样器设计*[J].中国海上油气,2019,31(03):190-198.[doi:10.11935/j.issn.1673-1506.2019.03.024]
 SUN Yuan,CAO Xuewen,LIANG Fachun.Design of pipe-around multi-slot sampling device based on extraction and separation method[J].China Offshore Oil and Gas,2019,31(03):190-198.[doi:10.11935/j.issn.1673-1506.2019.03.024]
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基于分流分相法的环壁多窄缝取样器设计*()

《中国海上油气》[ISSN:1673-1506/CN:11-5339/TE]

卷:
第31卷
期数:
2019年03期
页码:
190-198
栏目:
海洋工程(海洋油气装备与安全技术专辑)
出版日期:
2019-06-25

文章信息/Info

Title:
Design of pipe-around multi-slot sampling device based on extraction and separation method
文章编号:
1673-1506(2019)03-0190-09
作者:
孙 媛曹学文梁法春
中国石油大学(华东)储运与建筑工程学院 山东青岛 266580
Author(s):
SUN YuanCAO XuewenLIANG Fachun
College of Pipeline and Civil Engineering, China University of Petroleum, Qingdao, Shandong 266580, China
关键词:
气液两相流 分流分相法 计量 环壁多窄缝取样器 结构设计 数值分析 工作效果实验
Keywords:
gas-liquid two-phase flow extraction and separation method metering pipe-around multi-slot sampling device physical design numerical analysis working efficiency experiment
分类号:
TE863
DOI:
10.11935/j.issn.1673-1506.2019.03.024
文献标志码:
A
摘要:
受气液两相流流动的复杂性影响,传统的两相流计量方式难以保证计量精度。在分流分相法的基础上,提出了流型调整、均匀取样、压力调节相结合的取样方法,设计加工了一种环壁多窄缝小比例取样器,运用CFD仿真软件Eulerian-Eulerian方法确定了取样位置,分析了两相流在取样器中的流动特性,并通过实验研究了不同气、液相折算速度与入口流型对取样器工作效果的影响。研究结果表明:本文设计的取样器工作范围为气相折算速度3~18 m/s,液相折算速度0.05~0.33 m/s,气液相分流系数接近理论值0.167,气液相计量误差均小于±5%。本文设计的环壁多窄缝取样器无运动部件、体积紧凑、所需分离装置体积小,可代替传统的分配计量装置,对实现两相流的精确计量具有重要意义。
Abstract:
Due to the complexity of gas-liquid two-phase flow, the traditional two-phase flow measurement method is difficult to guarantee the accuracy. On the basis of the extraction and separation method, the method of “flow pattern adjustment” combined with “uniform sampling” and “pressure adjustment” is proposed, and a new type of pipe-around multi-slot sampling device is designed. The sampling location is determined and the flow characteristics are analyzed by Eulerian-Eulerian method using CFD simulation software. The effects of different gas, liquid superficial velocities and different flow patterns are studied through experiments to evaluate the working efficiency of the sampling device. The results show that the working range of the sampling device at gas superficial velocity is 3~18 m/s, and that at liquid superficial velocity is 0.05~0.33 m/s. The gas and liquid extraction ratio is close to the theoretical value 0.167 and gas-liquid flow rate measurement error is less than ±5%. The device has no moving part, and it requires separation device with small volume, which can replace the traditional distribution metering device. This device has great significance for the accurate measurement of two-phase flow.

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备注/Memo

备注/Memo:
*国家重点研发计划专项“临海油气管道检测、监控技术研究与仪器装备研制(编号:2016YFC0802302)”、 国家自然科学基金“水下油气临界分流取样计量理论及实现方法(编号:51574272)”、中国石油大学(华东)自主创新科研计划“水下油气管线微孔泄漏及扩散特性研究(编号:18CX06039A)”部分研究成果。
第一作者简介: 孙媛,女,在读博士研究生,2013年毕业于中国石油大学(华东)石油与天然气工程(油气储运方向)专业,获硕士学位,主要从事多相管流及油气田集输技术研究工作。地址:山东省青岛市黄岛区长江西路66号(邮编:266580)。E-mail:570828055@qq.com。
通信作者简介: 曹学文,男,教授,主要从事多相管流与油气田集输技术方面的研究。地址:山东省青岛市黄岛区长江西路66号(邮编:266580)。E-mail:caoxw2004@163.com。
更新日期/Last Update: 2019-05-20