Perspectives for low-temperature waste heat recovery

被引：214
作者：
Xu, Z. Y. [1 ]
Wang, R. Z. [1 ]
Yang, Chun [2 ]
机构：
[1] Shanghai Jiao Tong Univ, Inst Refrigerat & Cryogen, Shanghai 200240, Peoples R China
[2] Nanyang Technol Univ, Sch Mech & Aerosp Engn, Singapore 639798, Singapore
来源：
ENERGY | 2019年 / 176卷
基金：
新加坡国家研究基金会; 国家重点研发计划;
关键词：
Waste heat; Energy conversion; Optimization; Thermal storage; Heat pump; ORGANIC RANKINE CYCLES; THERMAL STORAGE; LONG-DISTANCE; POWER-PLANT; INTEGRATION; TRANSPORTATION; SOLAR; OPTIMIZATION; SYSTEMS; ENERGY;
D O I：
10.1016/j.energy.2019.04.001
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
In this forward-looking perspective, the current technologies for low-temperature waste heat recovery are first analyzed from two aspects: (i) the local waste heat recovery technology and (ii) global optimization of energy flow network. Based on the analysis, barriers for the further promotion of waste heat recovery are outlined, and they include the lack of global optimization methodology, distributed waste heat recovery system with high costs, and mismatches between waste heat source and demand. To address these issues, perspectives on three aspects are provided. First, advanced graphical analysis and optimization methodology integrating the heat exchange and energy conversion can promote the user-friendly optimization. Second, concentrated waste heat recovery and supply can save the investment, installation area and operation costs, thereby making the waste heat recovery cost-effective. Third, thermal storage, thermal transportation and high temperature heat pump can better couple the waste heat source and user demand from time-scale, spatial scale and energy grade, respectively. Visions for the future are combined with technical details to provide comprehensive perspectives for the next-step waste heat recovery. (C) 2019 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1037 / 1043
页数：7
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