Fresh air treatment system based on CaCl2/LiCl double-stage solution dehumidifying
A solution dehumidification and fresh air treatment technology, applied in ventilation systems, air conditioning systems, space heating and ventilation, etc., can solve the problems of high temperature regeneration heat source, difficult to achieve deep dehumidification, etc., to reduce the heat source temperature, improve the dehumidification effect, reduce the content The effect of moisture
Active Publication Date: 2019-03-22
NANCHANG UNIV
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Problems solved by technology
[0003] For the above-mentioned prior art, the technical problem to be solved by the present invention is to provide a 2 / LiCl two-stage solution dehumidification fresh air treatment system, to improve the single-stage solution dehumidification system requires high temperature regeneration heat source and difficult to achieve deep dehumidification
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[0018] The present invention will be further described below in conjunction with the accompanying drawings and preferred embodiments.
[0019] Such as figure 1 Shown is a CaCl-based 2 / LiCl two-stage solution dehumidification fresh air treatment system, including CaCl 2 Solution circulation loop, LiCl solution circulation loop, primary regeneration air circulation loop, secondary regeneration air circulation loop, dehumidification air circulation loop, primary cooling water circulation loop and secondary cooling water circulation loop.
[0020] CaCl 2 In the solution circulation loop, CaCl 2 The solution outlet of the solution regenerator 1 is connected to the solution inlet of the first solution-water heat exchanger sw-1 through the first solution valve v-1, the first solution pump p-1, the first solution heat recovery device ss-1 in sequence , the solution outlet of the first solution-water heat exchanger sw-1 passes through the second solution valve v-2 and the fourth s...
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The invention provides a fresh air treatment system based on CaCl2 / LiCl double-stage solution dehumidifying. The system comprises a CaCl2 solution circulation loop, an LiCl solution circulation loop,a first-stage regeneration air circulation loop, a second-stage regeneration air circulation loop, a dehumidifying air circulation loop, a first-stage cooling water circulation loop and a second-stagecooling water circulation loop. By means of the fresh air treatment system, outdoor air with the relatively high temperature is used for manufacturing cooling water with the relatively high temperature through a cooling tower so as to cool a CaCl2 dehumidifier inlet solution, indoor exhaust with the relatively low temperature and humidity is used for manufacturing cooling water with the relatively low temperature through the cooling tower so as to cool an LiCl dehumidifier inlet solution, and meanwhile after a CaCl2 solution with the relatively high temperature is used for conducting first-stage cooling and dehumidifying treatment on outdoor fresh air, an LiCl solution with the relatively low temperature is used for conducting second-stage cooling and dehumidifying treatment on fresh air.In addition, the CaCl2 solution is used for cyclically manufacturing regeneration air of LiCl solution circulation, and double-stage efficient fresh air treatment is achieved.
Description
technical field [0001] The invention belongs to the technical field of air conditioning and building equipment energy saving, in particular to a CaCl-based 2 / LiCl two-stage solution dehumidification fresh air treatment system. Background technique [0002] With the increasing diversification of building functions, people's requirements for the indoor environment continue to increase, especially in order to meet the comfort requirements, the requirements for the heat and humidity treatment of indoor fresh air are becoming more and more stringent. Among them, the traditional cooling and dehumidification technology will reduce the heat transfer coefficient of the coil and the working performance of the air conditioning system because it is easy to condense or frost. The solution dehumidification technology can use the salt solution with hygroscopic properties to remove moisture in the air. It not only has the advantages of simple structure, optimized air quality, and low-grad...
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IPC IPC(8): F24F3/147F24F7/00
CPCF24F3/147F24F7/00F24F2003/1458
Inventor 彭冬根曹卓程小松
Owner NANCHANG UNIV