Investigation of adsorption isotherms and rotational speeds for low temperature regeneration of desiccant wheel systems
Investigation of adsorption isotherms and rotational speeds for low temperature regeneration of desiccant wheel systems
复制标题
除湿轮系统低温再生的吸附等温线和转速研究
DOI：
10.1016/j.ijrefrig.2017.11.008
复制
发表时间：
2018-02
影响因子：
3.9
通讯作者：
Xiao Hansong
中科院分区：
文献类型：
--
作者：
Tu Rang;Hwang Yunho;Cao Tao;Hou Mingdong;Xiao Hansong
研究了吸附等温线（即形状因子和最大吸附容量）以及转速对干燥剂轮系统再生温度的影响。较大的最大吸附量有利于降低再生温度，特别是对于潮湿气候下单级系统的深度除湿，而除湿量较小时影响不明显。对于高相对湿度下的除湿，建议使用较高的形状因子 (=1)，而对于低相对湿度时，建议使用较低的形状因子。当转轮厚度为 0.2 m、最大吸附能力为 0.8 kg kg−1 时，对于深度除湿和常规除湿应用，单级和两级系统在各种工作条件下建议转速在 10–15 r h−1 范围内。从理论上讨论了常规应用和深度应用对形状因子要求不同的原因。推荐不同轮厚和最大吸附能力的转速范围。
Effects of adsorption isotherms, namely shape factor and maximum adsorption capacity, and rotational speed on regeneration temperature of desiccant wheel systems are investigated. Higher maximum adsorption capacity is beneficial for reducing regeneration temperature especially for deep dehumidification of single-stage systems under humid climate, while the influence is not obvious with small dehumidification capacity. Higher shape factor (=1) is recommended for dehumidification at high relative humidity, while lower shape factor is better for low relative humidity. Rotational speed in the range of 10–15 r h−1is advised for single and two-stage systems under a wide range of working conditions for both deep and regular dehumidification applications when wheel thickness is 0.2 m and maximum adsorption capacity is 0.8 kg kg−1. The reasons for different requirements of shape factor for regular and deep applications are discussed theoretically. Rotational speed ranges for different wheel thickness and maximum adsorption capacity are recommended.
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