Construction and preliminary test of a low-temperature regenerative Organic Rankine Cycle (ORC) using R123

被引：98

作者：

Li, Maoqing ^{[1
]}

Wang, Jiangfeng ^{[1
]}

He, Weifeng ^{[1
]}

Gao, Lin ^{[2
]}

Wang, Bo ^{[1
]}

Ma, Shaolin ^{[1
,3
]}

Dai, Yiping ^{[1
]}

机构：

[1] Xi An Jiao Tong Univ, Inst Turbomachinery, Xian 710049, Shaanxi, Peoples R China

[2] Xian Thermal Power Res Inst Co Ltd, Xian 710032, Peoples R China

[3] Dongfang Steam Turbine Works, Deyang 618201, Peoples R China

来源：

RENEWABLE ENERGY | 2013年 / 57卷

基金：

中国国家自然科学基金;

关键词：

Geothermal; Regenerative; Organic Rankine Cycle; Leakage issue; Efficiency; SOLAR COLLECTOR/CHP SYSTEM; PERFORMANCE ANALYSIS; POWER; DESIGN; FLUIDS; PLANTS;

D O I：

10.1016/j.renene.2013.01.042

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Higher efficiencies and optimal utilization of geothermal energy require a careful analysis of Organic Rankine Cycle (ORC) which is suitable for converting electric power from low-temperature heat sources. The objective of this study is to experimentally analyze the effect of varying working fluid mass flow rate and the regenerator on the efficiency of the regenerative ORC operating on R123. As R123 presents a low boiling point temperature (27.82 degrees C), a technology was invented to address the leakage issue when transferring R123 between the inside and outside of the regenerative ORC system. A specially manufactured throttle valve was adopted in the bypass subsystem to protect the turbine during the starting and closing processes and a novel phenomenon was discovered during the test. A preliminary test of the system was conducted with a geothermal source temperature of 130 degrees C. The experimental results show that the power output is 6 kW and the regenerative ORC efficiency is 7.98%, which is higher than that of the basic ORC by 1.83%. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：216 / 222

页数：7

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