车用盘形隔膜在双回路隔膜泵中的应用

IF 0.1 Q4 ENGINEERING, MULTIDISCIPLINARY Engineering Technologies and Systems Pub Date : 2023-03-31 DOI:10.15507/2658-4123.033.202301.068-078
A. Levtsev, Evgeniy S. Lapin, Daifen Chen
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引用次数: 0

摘要

介绍。本文着重介绍了双回路隔膜泵的效率提高,它可以成功地应用于有过剩水头的工农业设施的供热和供水系统。建议为双回路隔膜泵配备盘状隔膜,通过一根杆连接,例如,从机动车辆上,并从液压网络的可用头部驱动它们。为了提高膜的工作效率和进一步利用,有必要根据膜的几何参数和膜的运行周期对膜的水力特性进行动力学预测。文章的目的。本文旨在获得双回路隔膜泵泵送液流量与转速的充分计算相关性。材料与方法。采用微分几何、物理实验和数理统计的理想化方法,解决了具有不同几何表面的弹柱膜片的杆运动与液流量的动力学关系识别问题。在抛物线和链状线的特定几何参数下,得到了泵送液体积与抽液膜片对附着点运动的依赖关系,以及抽液流量与抽液膜片对附着点运动速度的依赖关系。对30型隔膜的抽液流量随附着点在阀杆上运动的变化规律进行了实验研究。在得到具有特定几何参数的抛物线和链状线的弹柱膜片附着点运动速度与体积流量的关系的基础上,构造了体积流量与工作循环频率的关系图。在实际应用中,提出了基于抛物线解释构建双回路膜水力特性的依赖关系(体积流量与工作循环频率的依赖关系)。讨论与结论。双回路膜泵的水力特性接近直线方程,与实验依赖关系在4%以内一致。
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The Use of Disk-Shaped Diaphragm of Vehicles in Double-Circuit Diaphragm Pumps
Introduction. The article concentrates on improving the efficiency of double-circuit diaphragm pumps, which can be successfully used in heat and water supply systems of industrial and agricultural facilities where there is excess head. It is advisable to equip double-circuit diaphragm pumps with disc-shaped diaphragms interconnected by a rod, for example, from motor vehicles, and to drive them from the available head of the hydraulic network. In order to increase the efficiency of their work and further use, it is necessary to predict the hydraulic characteristics according to the geometric parameters of the membranes and the cycle of their operation in dynamics. Aim of the Article. The article aims at obtaining adequate calculated dependencies of pumped liquid flow rate on speed of double-circuit diaphragm pumps. Materials and Methods. There were used the idealization method from differential geometry, physical experiment, and mathematical statistics to solve the tasks for identifying the relationship between the rod motion and the liquid flow rate for a poppet diaphragm with different geometric surfaces in dynamics. There have been obtained the dependences of pumped liquid volume on the movement of the point of attachment by the poppet diaphragm and the volume flow rate on the movement speed of the point of attachment by the poppet diaphragm with specific geometric parameters for the parabolic and chain line. An experimental testing of the dependence of displaced pumped liquid flow rate on the movement of the attachment point to the stem for the diaphragm type 30 was carried out. Results. Based on the obtained dependences of the volume flow rate on the speed of movement of the point of attachment by a poppet diaphragm with specific geometric parameters for a parabolic and chain line, there were constructed the graphs of dependences of the volume flow rate on the frequency of the working cycle. For practical implementation, there are proposed the dependencies for constructing the hydraulic characteristics of a two-circuit membrane (the dependence of the volume flow rate on the frequency of the working cycle) obtained on the basis of a parabolic interpretation. Discussion and Conclusion. The hydraulic characteristics of a two-circuit membrane pump are close to the equation of a straight line and are consistent with experimental dependencies within 4%.
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来源期刊
Engineering Technologies and Systems
Engineering Technologies and Systems ENGINEERING, MULTIDISCIPLINARY-
自引率
33.30%
发文量
29
审稿时长
12 weeks
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