Performance Analysis of a Novel Cascade Absorption Refrigeration for Low-Grade Waste Heat Recovery

被引：46
|
作者：
Yang, Sheng [1 ]
Wang, Yifan [2 ]
Gao, Jun [3 ]
Zhang, Zhien [4 ]
Liu, Zhiqiang [1 ]
Olabi, Abdul Ghani [5 ]
机构：
[1] Cent S Univ, Sch Energy Sci & Engn, 932 Lushan South Rd, Changsha 410083, Hunan, Peoples R China
[2] Rutgers State Univ, Dept Chem & Biochem Engn, 98 Brett Rd, Piscataway, NJ 08854 USA
[3] Shandong Univ Sci & Technol, Coll Chem & Environm Engn, 579 Qianwangang Rd, Qingdao 266590, Peoples R China
[4] Chongqing Univ Technol, Sch Chem & Chem Engn, 69 Hongguang Ave, Chongqing 400054, Peoples R China
[5] Univ West Scotland, Sch Engn & Comp, D163a,McLachlan Bldg, Paisley PA1 2BE, Renfrew, Scotland
来源：
ACS SUSTAINABLE CHEMISTRY & ENGINEERING | 2018年 / 6卷 / 07期
关键词：
NCAR; Waste heat recovery; Ammonia; Lithium bromide; Absorption refrigeration; Performance analysis; WORKING PAIRS; THERMODYNAMIC ANALYSIS; LOW-TEMPERATURES; EXERGY ANALYSES; SYSTEM; TRANSFORMER; ENERGY; CYCLES; SIMULATION; SOLAR;
D O I：
10.1021/acssuschemeng.8b00397
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Absorption refrigeration (AR) systems have been extensively used for utilizing waste heat from industrial plants. In this paper, a novel cascade absorption refrigeration (NCAR) is proposed to produce -40 degrees C cold energy via using low-grade waste heat. The developed system consists of an I NH3/H2O AR cycle and LiBr/H2O AR cycle. A simulation study is conducted, on the basis of the revised model built in Aspen Plus. The impacts of feed concentration, generator temperature, low-pressure part pressure, high-pressure part pressure, and concentration range are investigated to offer guidance for NCAR designs. In addition, the developed NCAR aims to obtain a highest coefficiency of performance (COP). The maximum of COP is 0.19, and the exergy efficiency of NCAR reaches 9.71%. The economic performance of NCAR is compared with the industrial application. The results indicate that NCAR has an excellent adaptability. This present work proposes a novel method for producing low-temperature cold energy from low-grade waste heat.
引用
收藏
页码：8350 / 8363
页数：27
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