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山东大学学报 (工学版) ›› 2026, Vol. 56 ›› Issue (3): 187-192.doi: 10.6040/j.issn.1672-3961.0.2024.314

• 机械与能动工程 • 上一篇    下一篇

气液两相离心泵参数多目标优化设计

周明旭1,2,3,胡有财1,2,3,王彦伟1,2,3*   

  1. 1.武汉工程大学机电工程学院, 湖北 武汉 430205;2.化工装备强化与本质安全湖北省重点实验室(武汉工程大学), 湖北 武汉 430205;3.湖北省绿色化工装备工程技术研究中心, 湖北 武汉 430205
  • 发布日期:2026-06-09
  • 作者简介:周明旭(2000— ),男,内蒙古突泉人,硕士研究生,主要研究方向为机电装备优化设计. E-mail:2677336463@qq.com. *通信作者简介:王彦伟(1975— ),男,河南开封人,教授,硕士生导师,博士,主要研究方向为机械优化设计. E-mail:ywwang.cad@gmail.com
  • 基金资助:
    国家自然科学基金资助项目(52301337);湖北省教育厅科研资助项目(D20161506);武汉工程大学研究生基金资助项目(CX2023208)

Multi-objective optimization design of gas-liquid two-phase centrifugal pump parameters

ZHOU Mingxu1,2,3, HU Youcai1,2,3, WANG Yanwei1,2,3*   

  1. ZHOU Mingxu1, 2, 3, HU Youcai1, 2, 3, WANG Yanwei1, 2, 3*(1. College of Mechanical and Electrical Engineering, Wuhan Institute of Technology, Wuhan 430205, Hubei, China;
    2. Chemical Equipment Reinforcement and Inherent Safety Key Laboratory of Hubei Province, Wuhan Institate of Technology, Wuhan 430205, Hubei, China;
    3. Hubei Green Chemical Equipment Engineering Technology Research Center, Wuhan 430205, Hubei, China
  • Published:2026-06-09

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摘要： 在气液两相工况下,通过优化型号Q5H26的高速离心泵,实现提升其扬程和效率的目标。对离心泵的主要部件进行三维实体建模后,通过试验验证数值模拟的可行性。针对10%含气率条件,基于多目标优化设计模型对离心泵的叶轮参数进行敏感性分析,并通过遗传算法实施优化设计,对优化后的模型进行数值模拟,计算并对比优化前后的离心泵运行效率和扬程,以评估优化效果。在气体含量为10%时,叶轮出口宽度、叶轮直径、叶片尾缘出口角及叶轮入口直径4个关键结构参数较显著影响泵的性能。在额定工况下,含气率为10%的情况时,通过优化叶轮结构参数后的模型泵的效率提高11.2%,扬程提高了1.45 m。通过这种方式,增强高速离心泵在处理含有气体的液体时的稳定性和可靠性。

关键词: 气液两相, 离心泵, 多目标优化设计模型, 多目标优化, 遗传算法

Abstract: Under the condition of gas-liquid two-phase, the high-speed centrifugal pump of model Q5H26 was studied to improve its head and efficiency. After the three-dimensional solid modeling of the main components of the centrifugal pump, the feasibility of the numerical simulation was verified by experiments. For the condition of 10% gas content, the sensitivity analysis of impeller parameters of centrifugal pump was carried out based on multi-objective programming model, and the optimization design was carried out by genetic algorithm. The optimized model was numerically simulated, and the operating efficiency and head of centrifugal pump before and after optimization were calculated and compared to evaluate the optimization effect. When the gas content was 10%, the four key structural parameters of impeller outlet width, impeller diameter, blade trailing edge outlet angle and impeller inlet diameter significantly affected the performance of the pump. Under the rated condition, when the air content was 10%, the efficiency of the model pump designed by optimizing the impeller structure parameters was increased by 11.2% and the head was increased by 1.45 m. In this way, the stability and reliability of high-speed centrifugal pumps in dealing with liquids containing gas were enhanced.

Key words: gas-liquid two-phase, centrifugal pump, multi-objective programming model, multi-objective optimization, genetic algorithm

中图分类号: 

  • TH311
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