The potentials of capacitive deionization regeneration method for absorption air-conditioning system

The potentials of capacitive deionization regeneration method for absorption air-conditioning system
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电容式去离子再生法在吸收式空调系统中的应用前景

DOI:
10.1016/j.enconman.2016.01.076
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发表时间:
2016-04
影响因子:
10.4
通讯作者:
Zhuo Zhang
Zhuo Zhang
中科院分区:
工程技术1区
文献类型:
--
作者:
Xiu-Wei Li;Xiao-Song Zhang;Hao Wang;Zhuo Zhang

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吸收式空调系统有利于可再生能源、环境友好,是发展低碳社会的良好选择。但传统的吸收系统性能不佳,再生过程中能源浪费较大。为了改进,提出了电容去离子(CDI)再生方法:在电场中,通过两个CDI单元的共同工作获得强吸收剂溶液和纯水。提出了理论和实验研究。质量和能量模型已经开发出来,并且一些重要的参数也已经被研究。对再生过程进行了初步测试。表明理论结果与实验结果吻合良好。分析揭示了溶液浓度、电压和吸收剂种类的影响。实验中基于CDI的系统的COP接近2,并且通过独特的能量回收策略可以将其翻倍。这些表明CDI是一种很有前景的吸收式空调系统再生方法,具有更好的性能。
In favour of renewable energy and being environmental friendly, the absorption air-conditioning system is a good choice for developing low carbon society. However, the performance of the traditional absorption system is not quite good with big energy waste in the regeneration process. To improve, a capacitive deionization (CDI) regeneration method is proposed: in an electric field, strong absorbent solution and pure water are acquired with the joint work of two CDI units. Theoretical and experimental research are presented. Mass and energy models have been developed and some important parameters have been investigated. Primary tests have been conducted on the regeneration process. It shows the theoretical results agree well with the experimental results. The analysis exposes the influences of solution concentration, voltage and absorbent variety. The COP of the CDI based system approached 2 in the experiments, and it could be doubled with the unique energy recovery strategy. These indicate CDI a promising regeneration method for an absorption air-conditioning system with better performance.
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