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Energy Recovery in Pressurized Hydraulic Networks
Water Resources Management ( IF 3.9 ) Pub Date : 2021-04-13 , DOI: 10.1007/s11269-021-02824-4
Ángel Mariano Rodríguez-Pérez , Cinta Pérez-Calañas , Inmaculada Pulido-Calvo

This paper aims to evaluate the possibility of using non-utilized hydraulic energy in urban water distribution systems. For this purpose, the viability and possible alternatives of installing conventional turbines or pumps working as turbines (PATs = Pumps as Turbines) at the head of pressure hydraulic networks in two towns in the province of Huelva have been studied: Cañaveral de León and Aracena (Andalucía, southwest Spain). Sensitivity analyses are carried out for: (a) To study the feasibility and efficiency of installing turbines or PATs in the hydraulic networks; (b) To determine the required hydraulic capacity of the turbines or PATs; (c) To analyse the installation points in the pipeline network; and (d) To evaluate the possible generation of electrical energy. The evaluation of the recoverable amount of hydraulic energy in both water distribution systems requires the application of the energy conservation equation, taking into account the calculation of load losses, the Darcy-Weisbach equation. A diagram energy height-flow rate with different working ranges of commercial turbines/PATs was used for the selection of the appropriate hydraulic machine. The results obtained of the Aracena hydraulic network show that the best solution would be the installation of a 2 kW BANKI that could generate an approximate annual energy of 17,52 MWh/year. In the Cañaveral de León water supply system a 0,75 kW BANKI turbine with an approximate annual energy generation of 6,57 MWh/year is proposed as the best solution.



中文翻译:

加压液压网络中的能量回收

本文旨在评估在城市供水系统中使用未利用的水力能源的可能性。为此,已经研究了在韦尔瓦省的两个城镇的压力液压网络的顶部安装常规涡轮机或作为涡轮机运行的泵(PAT =涡轮机泵)的可行性以及可能的替代方案:CañaveraldeLeón和Aracena(西班牙西南部的安达卢西亚)。针对以下方面进行了敏感性分析:(a)研究在液压网络中安装涡轮机或PAT的可行性和效率;(b)确定所需的涡轮机或PAT的水力容量;(c)分析管网中的安装点;(d)评估可能产生的电能。评估两个供水系统中液压能的可回收量需要应用能量守恒方程,其中考虑了负荷​​损失的计算,即达西-魏斯巴赫方程。商用涡轮/ PAT在不同工作范围下的能量高度-流量图表用于选择合适的液压机。Aracena液压网络获得的结果表明,最好的解决方案是安装2 kW的BANKI,每年可产生约17,52 MWh /年的能源。在CañaveraldeLeón供水系统中,提出了一种最佳解决方案,该方法是采用0.75 kW的BANKI涡轮机,其年发电量约为6,57 MWh /年。考虑到负载损失的计算,达西-魏斯巴赫方程。商用涡轮/ PAT在不同工作范围下的能量高度-流量图表用于选择合适的液压机。Aracena液压网络获得的结果表明,最好的解决方案是安装2 kW的BANKI,每年可产生约17,52 MWh /年的能源。在CañaveraldeLeón供水系统中,提出了一种最佳解决方案,该方法是采用0.75 kW的BANKI涡轮机,其年发电量约为6,57 MWh /年。考虑到负载损失的计算,达西-魏斯巴赫方程。商用涡轮/ PAT在不同工作范围下的能量高度-流量图表用于选择合适的液压机。Aracena液压网络获得的结果表明,最好的解决方案是安装2 kW的BANKI,每年可产生约17,52 MWh /年的能源。在CañaveraldeLeón供水系统中,提出了一种最佳解决方案,该方法是采用0.75 kW的BANKI涡轮机,其年发电量约为6,57 MWh /年。Aracena液压网络获得的结果表明,最好的解决方案是安装2 kW的BANKI,每年可产生约17,52 MWh /年的能源。在CañaveraldeLeón供水系统中,提出了一种最佳解决方案,该方法是采用0.75 kW的BANKI涡轮机,其年发电量约为6,57 MWh /年。Aracena液压网络获得的结果表明,最好的解决方案是安装2 kW的BANKI,每年可产生约17,52 MWh /年的能源。在CañaveraldeLeón供水系统中,提出了一种最佳解决方案,该方法是采用0.75 kW的BANKI涡轮机,其年发电量约为6,57 MWh /年。

更新日期:2021-04-13
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