Parametric analysis of the oil pressure limiter built on the influence on the diaphragm compressors for hydrogen refueling stations

IF 1.8 4区工程技术 Q3 ENGINEERING, MECHANICAL

Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science Pub Date : 2024-03-28 DOI:10.1177/09544062241238905

Shengdong Ren, Bin Zhao, Anna Diao, Xiaohan Jia, Xueyuan Peng

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引用次数: 0

Abstract

The oil pressure limiter is crucial for ensuring the steady operation of the diaphragm compressor, but there is a lack of systematic research on its design method. This study conducted a theoretical analysis of the operation characteristics of the oil pressure limiter in diaphragm compressors, and established a simulation model. Furthermore, a test rig for the oil system of a 90 MPa diaphragm compressor was built to verify the accuracy of the model. The results indicated that the simulated oil pressure curve was in good agreement with the measured curve during the oil overflow process, which confirmed the reliability of the model used to study the oil pressure limiter. The study found that the operational stability of the pressure limiter was significantly influenced by the spring stiffness and valve ball diameter. The oil overflow pressure of the compressor could be made more precise and stable by increasing the valve ball diameter, but the structural size should also be sensible.

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基于对加氢站隔膜压缩机影响的油压限制器的参数分析

油压限制器是确保隔膜压缩机稳定运行的关键，但对其设计方法缺乏系统研究。本研究对隔膜压缩机油压限制器的运行特性进行了理论分析，并建立了仿真模型。此外，还搭建了一个 90 兆帕隔膜压缩机油系统试验台，以验证模型的准确性。结果表明，在油溢出过程中，模拟油压曲线与测量曲线吻合良好，这证实了用于研究油压限制器的模型的可靠性。研究发现，压力限制器的运行稳定性受弹簧刚度和阀球直径的影响很大。通过增大阀球直径可以使压缩机的油溢流压力更加精确和稳定，但结构尺寸也应合理。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 工程技术-工程：机械

CiteScore

3.80

自引率

10.00%

发文量

625

审稿时长

4.3 months

期刊介绍： The Journal of Mechanical Engineering Science advances the understanding of both the fundamentals of engineering science and its application to the solution of challenges and problems in engineering.