Solar thermal energy storage using heat of dilution: Analysis of heat generation in multistage mixing column

Energy Conversion Pub Date : 1978-01-01 DOI:10.1016/0013-7480(78)90073-6

T. Tanaka, K. Sakuta, M. Kamimoto, T. Tani, S. Sawata, T. Horigome

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引用次数: 5

Abstract

Storage of solar energy is important for the future success of solar energy utilization systems such as solar thermal power plants. Various papers have described the storage methods for storing solar energy. Because of the results of assessing the storage methods proposed in these papers, the method based on heat of dilution was selected by reasons of the ease of heat transfer, the controllability of reaction and the recovery of heat stored. The effectiveness of heat recovered from heat of dilution in the case of storing solar energy in the form of heat of dilution was considered in this paper. Sulfuric acid and water solution used as the typical example of heat of dilution, since its thermodynamic properties were well known. Two liquids were mixed in two different systems of multistage mixing column, and an application of heat of dilution to multipurpose energy utilization was analyzed. The utility of heat of dilution was explained from the results of thermal characteristics of each system.

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利用稀释热的太阳能蓄热:多级混合塔产热分析

太阳能的储存对于太阳能热发电厂等太阳能利用系统的未来成功至关重要。各种各样的论文描述了储存太阳能的储存方法。根据本文提出的储存方法的评价结果，考虑到传热容易、反应可控性和储存热量的回收性，选择了基于稀释热的方法。在以稀释热的形式储存太阳能的情况下，本文考虑了从稀释热中回收热量的有效性。用硫酸和水的溶液作为稀释热的典型例子，因为它的热力学性质是众所周知的。将两种液体在两种不同的多级混合塔系统中混合，分析了稀释热在多用途能量利用中的应用。从各体系的热特性分析结果说明了稀释热的效用。

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Energy Conversion

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