Analysis on parameters of dehumidification tower in liquid desiccant dehumidification systems

TU Min; TANG Guangfa; REN Chengqin; ZENG Yang; CAI Dehong

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Analysis on parameters of dehumidification tower in liquid desiccant dehumidification systems

更新时间：2025-12-10

- Analysis on parameters of dehumidification tower in liquid desiccant dehumidification systems
- CIESC Journal Issue 10, Pages: 2546-2551(2010)
- 作者机构：
  
  1. 湖南大学土木工程学院
  2. 湖南大学机械与运载工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：05 October 2010，
  
  Published：05 October 2010
- 稿件说明：
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TU Min, TANG Guangfa, REN Chengqin, et al. Analysis on parameters of dehumidification tower in liquid desiccant dehumidification systems[J]. CIESC Journal, 2010, (10): 2546-2551.
DOI：

TU Min, TANG Guangfa, REN Chengqin, et al. Analysis on parameters of dehumidification tower in liquid desiccant dehumidification systems[J]. CIESC Journal, 2010, (10): 2546-2551. DOI：

摘要

采用已得到实验验证的除湿塔模型以及相应的VC++语言程序模块来描述除湿塔中溶液与湿空气之间的热、质交换过程，同时用正交设计法来安排数值实验。通过对实验结果的方差分析，确定各运行参数及它们之间的交互作用的相对重要性。方差分析结果表明：以除湿塔出口空气含湿量作实验指标时，重要参数包括入口溶液的温度和浓度，入口空气的含湿量，干空气与溶质之间的质量流量比率以及换热单元数;以除湿效率作实验指标时，仅有干空气与溶质之间的质量流量比率及换热单元数是重要参数;参数之间的交互作用对除湿塔出口空气含湿量和除湿效率都没有影响。

Abstract

Liquid desiccant dehumidification systems are widely used in many industries to meet the needs for air-conditioning

in which the dehumidification tower attracts more attention.In this study

a model for the dehumidification tower

which is recognized by previous experiment

is employed and the corresponding VC++ computer program module is used to describe the heat and mass transfer processes between the liquid desiccant solution and moist air.The orthogonal design is used to arrange the numerical experiment.The results are analyzed by the method of variance analysis to determine the relative significance of operating parameters and the interactions between them.The analysis on the influence factors shows that for the humidity ratio of the outlet air from the dehumidification tower

the important parameters are the inlet temperature and concentration of the solution

the inlet humidity ratio of the air

the mass flow ratio of dry air to dehydrated desiccant

and the NTU.For the dehumidification efficiency

only the mass flow ratio of dry air to dehydrated desiccant and the NTU are important parameters.There is no interaction that influences the humidity ratio of the outlet air and the dehumidification efficiency significantly.

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