Design and Performance Tests of Motor-Driven Rotary Energy Recovery Device

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Abstract Rotary energy recovery device(RERD), as the energy saving equipment of seawater desalination system, has a great significance on reducing the power consumption and permeate cost of the system. In this paper, a new motor-driven RERD was designed and manufactured, and a complete SWRO desalination system was also established in order to evaluate the performances of the device. When the RERD can satisfy well the requirement of industrial application, we made a on-site testing about performances of RERD coupled with SWRO system. The experimental results show that at the operating condition of RERD capacity 13 m³/h, the rotating speed 500 r/min and the working pressure 6.0 MPa, the leakage of the device is about 0.57 m³/h and energy recovery efficiency of the device can reach 91.2%. When the operating capacity of the RERD is increased to 16 m³/h, the flows and pressures of the fluids in and out of the device almost keep constant, the energy recovery efficiency is slightly increased to about 92.5%.

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	Articles by authors
	Wu Jianeng
	Wang Yue
	Xu Enle
	Duan Yawei
	Zhou Jie
	Xu Shichang

Keywords： SWRO desalination； energy recovery device； energy recovery efficiency； operating capacity

Received 2016-05-04;

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Wu Jianeng, Wang Yue, Xu Enle, Duan Yawei, Zhou Jie, Xu Shichang.Design and Performance Tests of Motor-Driven Rotary Energy Recovery Device[J] Chemcial Industry and Engineering, 2018,V35(5): 42-48

[1] Garcia X, Pargament D. Reusing wastewater to cope with water scarcity:Economic, social and environmental considerations for decision-making[J]. Resources, Conservation and Recycling, 2015, 101:154-166
[2] Greenlee L F, Lawler D F, Freeman B D, et al. Reverse osmosis desalination:Water sources, technology, and today's challenges[J]. Water Research, 2009, 43(9):2317-2348
[3] Dinar S, Katz D, De Stefano L, et al. Climate change, conflict, and cooperation:Global analysis of the effectiveness of international river treaties in addressing water variability[J]. Political Geography, 2015, 45:55-66
[4] Peñate B, García-Rodríguez L. Current trends and future prospects in the design of seawater reverse osmosis desalination technology[J]. Desalination, 2012, 284:1-8
[5] 王世昌. 海水淡化及其对经济持续发展的作用[J]. 化学工业与工程, 2010, 2:95-102 Wang Shichang. Roles of desalination for economy sustainability[J]. Chemical Industry and Engineering, 2010, 2:95-102(in Chinese)
[6] Bross S, Kochanowski W. SWRO core hydraulic module-The right concept decides in terms of energy consumption and reliability Part Ⅱ. Advanced pressure exchanger design[J]. Desalination, 2004, 165(15):351-361
[7] Song D, Wang Y, Xu S, et al. Control logic and strategy for emergency condition of piston type energy recovery device[J]. Desalination, 2014, 348(1):1-7
[8] Andrews W T, Laker D S. A twelve-year history of large scale application of work-exchanger energy recovery technology[J]. Desalination, 2001, 138(1):201-206
[9] Stover R L. Seawater reverse osmosis with isobaric energy recovery devices[J]. Desalination, 2007, 203(1/3):168-175
[10] Cameron I B, Clemente R B. SWRO with ERI's PX pressure exchanger device-A global survey[J]. Desalination, 2008, 221(1/3):136-142
[11] 王晓鹏, 胡仁海. 反渗透海水淡化能量回收装置国产化探讨[J]. 电站辅机, 2013, 4:5-8, 18 Wang Xiaopeng, Hu Renhai. Discussion on localization of energy recovery device for seawater reverse osmosis desalination[J]. Power Station Auxiliary Equipment, 2013, 4:5-8, 18(in Chinese)
[12] Xu E, Wang Y, Wu J, et al. Investigations on the applicability of hydrostatic bearing technology in a rotary energy recovery device through CFD simulation and validating experiment[J]. Desalination, 2016, 383(1):60-67
[13] 杨勇君, 王越, 张金鑫, 等. 旋转式能量回收装置混合过程优化研究[J]. 化学工业与工程, 2012, 11:42-49 Yang Yongjun, Wang Yue, Zhang Jinxin, et al. Simulation and optimization on the mixing performance of rotary energy recovery device[J]. Chemical Industry and Engineering, 2012, 11:42-49(in Chinese)
[14] 张金鑫, 王越, 杨勇君, 等. 反渗透海水淡化转子式压力交换器运行特性研究[J]. 化学工业与工程, 2012, 5:48-52 Zhang Jinxin, Wang Yue, Yang Yongjun, et al. Operating characteristics of rotary pressure exchanger for SWRO desalination system[J]. Chemical Industry and Engineering, 2012, 5:48-52(in Chinese)
[15] 程百花, 王越, 许恩乐, 等. 旋转式能量回收装置的启动与运行特性[J]. 化工进展, 2013, 9:2030-2034 Cheng Baihua, Wang Yue, Xu Enle, et al. Start-Up and operating performances of a rotary energy recovery device[J]. Chemical Industry and Engineering Progress, 2013, 9:2030-2034(in Chinese)
[16] Wu L, Wang Y, Xu E, et al. Employing groove-textured surface to improve operational performance of rotary energy recovery device in membrane desalination system[J]. Desalination, 2015, 369(3):91-96