A Target-Oriented Solid-Gas Thermochemical Sorption Heat Transformer for Integrated Energy Storage and Energy Upgrade

被引：74
|
作者：
Li, Tingxian [1 ]
Wang, Ruzhu [1 ]
Kiplagat, Jeremiah K. [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Inst Refrigerat & Cryogen, Shanghai 200240, Peoples R China
来源：
AICHE JOURNAL | 2013年 / 59卷 / 04期
关键词：
thermochemical sorption; heat transformer; energy storage; energy upgrade; low-grade thermal energy; REFRIGERATION SYSTEM; PERFORMANCE ANALYSIS; INTERNAL HEAT; WASTE HEAT; RECOVERY; PUMPS; TEMPERATURE; DESIGN;
D O I：
10.1002/aic.13899
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
An innovative target-oriented solid-gas thermochemical sorption heat transformer is developed for the integrated energy storage and energy upgrade of low-grade thermal energy. The operating principle of the proposed energy storage system is based on the reversible solid-gas chemical reaction whereby thermal energy is stored in form of chemical bonds with thermochemical sorption process. A novel thermochemical sorption cycle is proposed to upgrade the stored thermal energy by using a pressure-reducing desorption method during energy storage process and a temperature-lift adsorption technique during energy release process. Theoretical analysis showed that the proposed target-oriented thermochemical sorption heat transformer is effective for the integrated energy storage and energy upgrade, and the low-grade thermal energy can be upgraded from 87 to 171 degrees C using a group of sorption working pair MnCl2-CaCl2-NH3. Moreover, it can give the flexibility of deciding the temperature magnitude of energy upgrade by choosing appropriate sorption working pairs. (C) 2012 American Institute of Chemical Engineers AIChE J, 59: 1334-1347, 2013
引用
收藏
页码：1334 / 1347
页数：14
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