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携砂液流对除砂器针型阀冲蚀作用模拟研究 预览 被引量:3

Simulation of erosion of carrying sand flow to needle valve in desander
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摘要 基于液固两相流和冲蚀理论,对除砂器中携砂液流通过针型阀时对阀内的冲蚀进行数值模拟,直观地得到其压力分布和内部流动特性,并通过计算得到易冲蚀点位置和最大冲蚀速率。结果表明,针型阀的阀芯和内表面冲蚀比较严重,内表面顶部是冲蚀最严重区域,冲蚀速率是阀芯顶端面的3倍多。研究结果为针型阀局部加强处理提供了一定依据。 The numerical simulation of the erosion of carrying sand liquid flow to the needle valve in a desander is carried out based on the liquid-solid two-phase flow theory and the erosion theory,the pressure distribution on the surface of the needle valve and the flow characteristics in the needle valve are gained,and the position where the erosion can easily be generated and the maximum erosion speed are determined.The results show that the erosion on the surface of valve core and the inner surface of the valve is serous,and the most serious erosion region is at the top of the inner surface of the needle valve,where the erosion speed is three times as much as that at the top of valve core.The results can provide the basis for the local enhancement treatment of the needle valve.
作者 崔之健 董超云 黄凯亦 周加明 郑建刚 张丽春 CUI Zhi-jian;DONG Chao-yun;HUANG Kai-yi;ZHOU Jia-ming;ZHENG Jian-gang;ZHANG Li-chun;College of Petroleum Engineering.Xi'an Shiyou University;College of Petroleum Engineering,Guangdong University of Petrochemical Technology;The International Division,China Petroleum Pipeline Bureau;No.1 Project Department for Research of Super-low Permeability Reservoir,Changqing Oilfeld Company;College of Mining Engineering,Hebei United University;
出处 《西安石油大学学报:自然科学版》 CAS 北大核心 2014年第6期54-57,64共5页 Journal of Xian Shiyou University
基金 中石油集团项目“压裂返排液处理与再利用技术研究与应用”(编号:2014T-003-007)
关键词 除砂器 针形阀 冲蚀 模拟研究 desander needle valve erosion numerical simulation
作者简介 崔之健(1963-),男,教授,博士,主要从事油气储运与油气井筒工程方面的研究。E-mail:zhjcui@xsyu.edu.cn
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