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[1]李俊逸,李长俊,贾文龙,等.含硫天然气井口笼套式节流阀硫沉积数值模拟研究*[J].中国安全生产科学技术,2022,18(3):61-67.[doi:10.11731/j.issn.1673-193x.2022.03.009]
　LI Junyi,LI Changjun,JIA Wenlong,et al.Numerical simulation study on sulfur deposition of cage sleeve throttle valve in sour natural gas wellhead[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2022,18(3):61-67.[doi:10.11731/j.issn.1673-193x.2022.03.009]
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含硫天然气井口笼套式节流阀硫沉积数值模拟研究*
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
18
期数:
2022年3期
页码:
61-67
栏目:
职业安全卫生管理与技术
出版日期:
2022-03-31

文章信息/Info

Title:
Numerical simulation study on sulfur deposition of cage sleeve throttle valve in sour natural gas wellhead
文章编号:
1673-193X(2022)-03-0061-07
作者:
李俊逸; 李长俊; 贾文龙; 张财功; 韩西成; 黄永恒
（1.西南石油大学 石油与天然气工程学院，四川 成都 610500；
2.汉正检测技术有限公司，四川 广汉 618000；
3.国家管网集团西气东输分公司，上海 200122）
Author(s):
LI Junyi;  LI Changjun;  JIA Wenlong;  ZHANG Caigong;  HAN Xicheng;  HUANG Yongheng
(1.Petroleum Engineering School,Southwest Petroleum University,Chengdu Sichuan 610500,China;
2.Hanzheng Testing Technology Co.,Ltd.,Guanghan Sichuan 618000,China;
3.PipeChina West East Gas Pipeline Company,Shanghai 200122,China)
关键词:
笼套式节流阀; 流场; 硫颗粒; 沉积率; 数值模拟
Keywords:
cage sleeve throttle value;  flow field;  sulfur particle;  deposition rate;  numerical simulation
分类号:
X937
DOI:
10.11731/j.issn.1673-193x.2022.03.009
文献标志码:
A
摘要:
为分析含硫天然气气田井口笼套式节流阀的硫沉积问题，基于雷诺应力模型、组分输运模型及离散相模型，建立硫沉积数值模拟模型，分析笼套式节流阀的硫沉积规律及影响因素。研究结果表明：硫沉积主要出现在正对来流的节流孔外侧下缘、阀套边缘以及阀芯内侧，其中节流孔外侧下缘的沉积最严重，对于该位置，随着气流进口速度的增大，硫沉积速率先增大后减小，当气流速度为5 m/s时达到最大值；同时，正对来流的节流孔外侧下缘的最大沉积率与阀门开度、节流孔孔径、阀芯内径成负相关，而与粒径成正相关，其中，随节流孔孔径与阀芯内径增大，最大沉积率近似以7.8×10-5，7.4×10-5 kg/(m2·mm)的平均速率下降。
Abstract:
In order to analyze the sulfur deposition problem of the cage sleeve throttle value at the wellhead of sour natural gas field,a numerical simulation model of sulfur deposition was established based on the Reynolds stress model,the component transport model and the discrete phase model,and the laws and influencing factors of sulfur deposition in the cage sleeve throttle value were analyzed.The results showed that the sulfur deposition mainly appeared at the lower edge of the outer side of orifice facing the incoming flow,the edge of sleeve and the inner side of valve core,and the deposition at the lower edge of the outer side of orifice was the most serious.For this position,with the increase of airflow inlet velocity,the sulfur deposition rate increased first and then decreased,which reached the maximum value when the airflow velocity was 5 m/s.At the same time,the maximum deposition rate at the lower edge of the outer side of orifice was negatively related to the valve opening,orifice diameter and inner diameter of valve core,while it was positively related to the particle size.As the orifice diameter and the inner diameter of valve core increased,the maximum deposition rate approximately decreased at an average rate of 7.8×10-5 kg/(m2·mm) and 7.4×10-5 kg/(m2·mm).

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备注/Memo

备注/Memo:
收稿日期： 2021-06-28
* 基金项目： 国家自然科学基金项目（52074238,51974269）；四川省科技计划项目（2020YFSY0053，2020YFH0141）
作者简介： 李俊逸，硕士研究生，主要研究方向为油气储运流动与安全。
更新日期/Last Update: 2022-04-18