适用于超低进液量的微型水力旋流器结构优化

doi:10.3901/JME.2022.23.251

机械工程学报 ›› 2022, Vol. 58 ›› Issue (23): 251-261.doi: 10.3901/JME.2022.23.251

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适用于超低进液量的微型水力旋流器结构优化

邢雷^1,2, 李新亚¹, 蒋明虎^1,2, 赵立新^1,2, 蔡萌³

1. 东北石油大学机械科学与工程学院大庆 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大庆 163318;
3. 大庆油田有限责任公司采油工程研究院大庆 163453

收稿日期:2022-02-16 修回日期:2022-09-04 出版日期:2022-12-05 发布日期:2023-02-08
通讯作者: 赵立新(通信作者),男,1972年出生,博士,教授,博士研究生导师。主要研究方向为流体机械及工程。E-mail:Lx_zhao@126.com
作者简介:邢雷,男,1990年出生,博士,副教授,硕士研究生导师。主要研究方向为旋流分离理论及应用技术。E-mail:Nepuxinglei@163.com.
基金资助:
国家自然科学基金区域创新发展联合基金重点支持项目(U21A20104)；提高油气采收率教育部重点实验室开放课题(NEPU-EOR-2021-004)、黑龙江省自然科学基金(LH2022E017)和大庆市指导性科技计划项目(ZD-2021-38)资助项目。

Structure Optimization of Micro-hydrocyclone for Ultra-low Inlet Flow Rate

XING Lei^1,2, LI Xinya¹, JIANG Minghu^1,2, ZHAO Lixin^1,2, CAI Meng³

1. School of Mechanical Science and Engineering, Northeast Petroleum University, Daqing 163318;
2. Heilongjiang Key Laboratory of Petroleum and Petrochemical Multiphase Treatment and Pollution Prevention, Daqing 163318;
3. Research Institute of Production Engineering, Daqing oilfield Co. Ltd., Daqing 163453

Received:2022-02-16 Revised:2022-09-04 Online:2022-12-05 Published:2023-02-08

摘要/Abstract

摘要： 针对超低进液量条件下油水旋流分离精度难以保障问题，提出了一种微型水力旋流器结构。借助3D打印技术试制微型水力旋流器样机，开展室内分离性能测试。基于Plackett-Burman设计对影响旋流器分离性能的主要结构参数进行显著性筛选，得出了结构参数对底流口含油浓度影响的显著性排序。结合最陡爬坡设计与响应曲面法，对显著性较高的结构参数与底流口含油浓度间的数学关系模型进行构建，基于最小二乘法对模型进行求解，确定出可提高分离性能的结构参数最佳匹配方案。对初始微型水力旋流器结构及优化结构开展不同分流比、处理量以及含油浓度条件下的分离性能对比实验，实验得出优化后结构在溢流分流比为30%，处理量为1.0L/min，含油浓度为2%时质量效率最高，达到99.85%。优化后旋流器的分离性能明显高于初始结构，实验结果验证了响应面设计优化方案的准确性，同时也证明了设计的微型水力旋流器在超低进液量条件下油水分离的高效性。

关键词: 微型水力旋流器, 结构参数, 响应曲面法, 进液量, 分离性能

Abstract: It is difficult to guarantee the separation accuracy of oil-water hydrocyclone under the condition of ultra-low inlet flow rate, an innovative micro-hydrocyclone is proposed to solve this problem. The prototypes of micro-hydrocyclone are manufactured by 3D printing technology to carried out the indoor separation performance experiment. Meanwhile, the significance of structural parameters affecting the micro-hydrocyclone separation performance are calculated based on the Plackett-Burman design method. The order of the significance of structural parameters on the oil concentration of underflow is obtained. The mathematical relationship model between the structural parameters and oil concentration of underflow is established by using the steepest climbing design and the response surface methodology. Furthermore, the mathematical relationship model is solved based on the least square method, the optimal structural parameters which can improve the separation performance of micro-hydrocyclone is obtained. The separation performance experiments are carried out under the conditions of different split ratio, inlet flow rate and oil concentration to compare the optimal micro-hydrocyclone with the initial one. The experimental results show that the maximum separation efficiency of the optimal micro-hydrocyclone is 99.85% when the overflow split ratio is 30%，inlet flow rate is 1.0 L/min and oil concentration is 2%. The separation performance of the optimized hydrocyclone is higher than that of the initial one, obviously. The experimental results not only verify the accuracy of the results of response surface methodology, but also prove that the proposed micro-hydrocyclone can achieve oil-water efficient separation under the condition of ultra-low inlet flow rate.

Key words: micro-hydrocyclone, structural parameter, response surface methodology, inlet flow rate, separation performance

中图分类号:

TQ051.8

邢雷, 李新亚, 蒋明虎, 赵立新, 蔡萌. 适用于超低进液量的微型水力旋流器结构优化[J]. 机械工程学报, 2022, 58(23): 251-261.

XING Lei, LI Xinya, JIANG Minghu, ZHAO Lixin, CAI Meng. Structure Optimization of Micro-hydrocyclone for Ultra-low Inlet Flow Rate[J]. Journal of Mechanical Engineering, 2022, 58(23): 251-261.

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适用于超低进液量的微型水力旋流器结构优化

Structure Optimization of Micro-hydrocyclone for Ultra-low Inlet Flow Rate

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