逆电渗析法热-电转换系统循环工质匹配准则

doi:10.11949/j.issn.0438-1157.20161424

化工学报 ›› 2016, Vol. 67 ›› Issue (S2): 326-332.DOI: 10.11949/j.issn.0438-1157.20161424

逆电渗析法热-电转换系统循环工质匹配准则

吴曦¹, 徐士鸣¹, 吴德兵¹, 刘欢¹, 陈顺权²

1. 大连理工大学能源与动力学院, 海洋能源利用与节能教育部重点实验室, 辽宁大连 116024;
2. 广州中国科学院先进技术研究所, 广东省膜材料与膜分离重点实验室, 广东广州 511458

收稿日期:2016-08-06 修回日期:2016-10-10 出版日期:2016-12-30 发布日期:2016-12-30
通讯作者: 吴曦(1986-),男,博士,讲师。
基金资助:
国家自然科学基金项目（51606024，51376032）；中国博士后科学基金资助项目（2016M591427）；广东省膜材料与膜分离重点实验室开放课题（广州中国科学院先进技术研究所）（GIAT2016061404）。

Methodology of assessing working mediums availability for a novel heat-power conversion system with reverse electrodialysis technology

WU Xi¹, XU Shiming¹, WU Debing¹, LIU Huan¹, CHEN Shunquan²

1. Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Dalian University of Technology, Dalian 116024, Liaoning, China;
2. Guangdong Key Laboratory of Membrane Material and Membrane Separation, Guangzhou Institute of Advanced Technology, Chinese Academy of Sciences, Guangzhou 511458, Guangdong, China

Received:2016-08-06 Revised:2016-10-10 Online:2016-12-30 Published:2016-12-30
Supported by:
supported by the National Natural Science Foundation of China(51606024,51376032),the China Postdoctoral Science Foundation(2016M591427)and Guangdong Key Laboratory of Membrane Material and Membrane Separation(GIAT2016061404).

摘要/Abstract

摘要：

将开式逆向电渗析法浓差能发电技术原理与吸收式制冷/热泵系统循环原理相结合，提出了一种全新的闭式热-电循环转换方法，且发现工作介质（溶质与溶剂混合物）是影响该系统能量转换效率的关键因素之一。以9种溶质（一价无机盐）和17种溶剂（标准沸点温度在40~150℃）为研究对象，通过分析工质的13项关键物性参数（沸点温度、汽化潜热、比热容、溶解度、偏心因子、偶极矩、相对介电常数、电导率、黏度、热导率、燃爆极限、自动点火温度及毒性），建立了从热力学性质、电化学性质、输运特性、危险性等多角度来综合评价热-电循环转换系统工质匹配性的准则，并据此推断无机盐-溶解剂-调节剂三元混合物极具发展潜力。

关键词: 吸收, 溶剂, 二元混合物, 逆向电渗析, 低品位热能

Abstract:

A novel closed type heat-power conversion system was proposed by integrating the essential principles of both reverse electrodialysis(RED)power generation technology and absorption refrigeration/heating technology.Besides,the working mediums solutions(consisted of solute and solvent) were found to be one of the vital factors for energy conversion efficiency of this new power generation system.Altogether,nine solutes(monovalent inorganic salts) and seventeen solvents(with the normal bubble point temperature within 40-150℃) have been selected as the focused substances,and their thirteen crucial properties(bubble point temperature,latent heat of vaporization,specific heat capacity,solubility,acentric factor,dipole moment,relative dielectric constant,electric conductance,viscosity,thermal conductance,auto-ignition temperature,flammability limit,and toxicity),have beencompared and analyzed.Further,methodology of comprehensively assessing the availability of working mediums for this new heat-power conversion system has been established after finishing a series of discussions that were carried out from the aspects of their fundamental thermophysical properties,transport features,electrochemistry characteristics,and dangerousness.Finally,it is ternary type working mediums that consisted of inorganic salt-solute-modifier,are deduced to be in bright prospect.

Key words: absorption, solvents, binary mixture, reverse electrodialysis, low-grade heat energy

中图分类号:

TK11⁺5

吴曦, 徐士鸣, 吴德兵, 刘欢, 陈顺权. 逆电渗析法热-电转换系统循环工质匹配准则[J]. 化工学报, 2016, 67(S2): 326-332.

WU Xi, XU Shiming, WU Debing, LIU Huan, CHEN Shunquan. Methodology of assessing working mediums availability for a novel heat-power conversion system with reverse electrodialysis technology[J]. CIESC Journal, 2016, 67(S2): 326-332.

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逆电渗析法热-电转换系统循环工质匹配准则

Methodology of assessing working mediums availability for a novel heat-power conversion system with reverse electrodialysis technology

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