海水淡化能量回收-增压一体式装置压力/流量脉动特性与试验

doi:10.3901/JME.2025.22.329

机械工程学报 ›› 2025, Vol. 61 ›› Issue (22): 329-341.doi: 10.3901/JME.2025.22.329

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海水淡化能量回收-增压一体式装置压力/流量脉动特性与试验

尹方龙¹, 罗浩¹, 聂松林¹, 杨友胜², 纪辉¹, 马仲海¹

1. 北京工业大学机械与能源工程学院北京 100124;
2. 中国海洋大学工程学院青岛 266100

收稿日期:2024-11-19 修回日期:2025-06-08 发布日期:2026-01-10
作者简介:尹方龙,男,1989年出生,博士,教授,博士研究生导师。主要研究方向为水液压传动技术、反渗透海水淡化能量回收技术和智能机电液一体化装备。E-mail:yfl@bjut.edu.cn
聂松林(通信作者),男,1967年出生,博士,教授,博士研究生导师。主要研究方向为水液压传动技术、电液控制工程及绿色水处理技术。E-mail:niesonglin@bjut.edu.cn
基金资助:
国家自然科学基金(52075007); 北京市自然科学基金(3232006)资助项目。

Pressure/Flow Ripple Characteristics and Experiment of the Integrated Energy Recovery-pressure Boost Device for Seawater Desalination

YIN Fanglong¹, LUO Hao¹, NIE Songlin¹, YANG Yousheng², JI Hui¹, MA Zhonghai¹

1. College of Mechanical & Energy Engineering, Beijing University of Technology, Beijing 100124;
2. College of Engineering, Ocean University of China, Qingdao 266100

Received:2024-11-19 Revised:2025-06-08 Published:2026-01-10

摘要/Abstract

摘要： 能量回收装置是反渗透海水淡化系统的核心配置，可大幅降低系统的产水能耗和制水成本。海水淡化能量回收装置输出流量品质对反渗透膜的性能和寿命、反渗透系统的能耗与稳定性有较大影响。针对反渗透海水淡化能量回收-增压一体式装置，建立考虑空化效应的泵端集中参数压力-流量模型。按照国际标准ISO 10767-1-2015规定的试验方法搭建装置的流量脉动测试试验台，进行装置出口的流量脉动测试试验。根据理论方法推导装置的泵源流量脉动和泵源阻抗，还原不同工况下装置出口的实际流量脉动。获取不同工况下装置的流量脉动和压力脉动的变化规律：平均流量和平均压力均随转速的增加而升高；流量脉动和压力脉动也随转速的增加而升高，但在1 700 r/min时下降。试验结果表明，压力特性曲线RMSE值最大不超过0.121，流量特性曲线RMSE值最大不超过0.538，试验测试结果与仿真结果能较好吻合，为优化能量回收-增压一体式装置设计以提高流量品质提供了理论依据，对海水淡化能量回收装置的应用具有实际指导意义。

关键词: 反渗透海水淡化, 能量回收, 集中参数法, 流量脉动, 2P2S测试法

Abstract: Energy recovery devices is a core component of reverse osmosis desalination systems, which significantly reduce water production energy and costs. The output flow quality of the device greatly affects reverse osmosis membrane performance, lifespan, and system stability. A lumped parameter model is presented for axial piston booster pump（APBP） in integrated energy recovery-pressure boosting device（IERPBD）, incorporating cavitation effects. Following ISO 10767-1-2015, a flow ripple test bench is constructed, and tests are conducted at the outlet of IERPBD. The source flow ripple and source impedance of APBP are derived based on theoretical methods, and the actual flow ripple and pressure ripple at the outlet of the device under different operating conditions are calculated. The variation patterns of flow ripple and pressure ripple under different working conditions have been identified:the average flow and average pressure rise as the rotation speed escalates; and it has been observed that flow ripple and pressure ripple also tend to escalate with the increase in rotation speed, but a reduction is noted at 1 700 r/min. The experimental results show that the maximum RMSE for the pressure characteristic curve does not exceed 0.121, and for the flow characteristic curve it remains below 0.538. The close agreement between the measured and simulated data provides a theoretical basis for optimizing the design of IERPBD to improve flow quality, and offers practical guidance for the application of energy recovery devices in seawater desalination.

Key words: seawater reverse osmosis desalination, energy recovery, lumped parameter method, flow ripple, 2P2S test method

中图分类号:

TH137

尹方龙, 罗浩, 聂松林, 杨友胜, 纪辉, 马仲海. 海水淡化能量回收-增压一体式装置压力/流量脉动特性与试验[J]. 机械工程学报, 2025, 61(22): 329-341.

YIN Fanglong, LUO Hao, NIE Songlin, YANG Yousheng, JI Hui, MA Zhonghai. Pressure/Flow Ripple Characteristics and Experiment of the Integrated Energy Recovery-pressure Boost Device for Seawater Desalination[J]. Journal of Mechanical Engineering, 2025, 61(22): 329-341.

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海水淡化能量回收-增压一体式装置压力/流量脉动特性与试验

Pressure/Flow Ripple Characteristics and Experiment of the Integrated Energy Recovery-pressure Boost Device for Seawater Desalination

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