流体机械

2018, v.46;No.558(12) 79-84

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组合式除湿新风系统性能分析
Performance Analysis of Combined Dehumidifying Fresh Air System

黄志甲;罗良;王晓玉;
HUANG Zhi-jia;LUO Liang;WANG Xiao-yu;Anhui University of Technology;

摘要(Abstract):

以提高除湿新风系统除湿能力和性能系数为目的,设计了高温水预冷型溶液除湿新风系统和转轮全热回收型溶液除湿新风系统。理论分析结果表明:新风相对湿度为65%,温度在32~37℃范围内时,组合式除湿新风系统的除湿能力是常规溶液除湿新风系统的1.2~1.3倍,送风参数受新风参数变化的影响很小,送风参数基本不变,系统稳定;典型工况下,高温水预冷型溶液除湿新风系统的性能系数比常规溶液除湿新风系统提升98%,转轮全热回收型溶液除湿新风系统的性能系数比常规溶液除湿新风系统提升134%。组合式除湿新风系统的性能优于常规溶液除湿新风系统,具备推广的可行性。
In order to improve the dehumidification capacity and performance coefficient of dehumidification fresh air system,the fresh air system of liquid desiccant with high temperature water precooling and the fresh air system of liquid desiccant with enthalpy recovery wheel were designed. Theoretical analysis results show that,when the relative humidity of fresh air was 65%,and the temperature was in the range of 32~37 ℃,the dehumidification capacity of the combined dehumidifying fresh air system was 1.2~1.3 times that of conventional liquid dessicant,the effect of fresh air parameter change on supply air parameters was very small,the supply air parameters basically did not change and system was stable. Under the typical operating conditions,the performance coefficient of the fresh air system of liquid desiccant with high temperature water precooling was increased by 98% compared to the conventional liquid desiccant fresh air system,and the performance coefficient of the fresh air system of liquid desiccant with enthalpy recovery wheel was increased by 134% compared to the conventional liquid desiccant fresh air system. The performance of the combined dehumidifying fresh air system was better than that of conventional liquid dessicant fresh air system,so it is feasible for extensive application.

关键词(KeyWords): 溶液除湿;高温水表冷器;全热回收转轮;除湿新风系统
liquid dessicant;high temperature water cooling coil;enthalpy recovery wheel;fresh air dehumidification system

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作者(Author): 黄志甲;罗良;王晓玉;
HUANG Zhi-jia;LUO Liang;WANG Xiao-yu;Anhui University of Technology;

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