Analysis of liquid-desiccant dehumidifying system combined with ultrasound atomization technology
Analysis of liquid-desiccant dehumidifying system combined with ultrasound atomization technology
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发表时间：
2011
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通讯作者：
Liu Wei-wei
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作者：
Liu Wei-wei
引入超声雾化技术对填充床除湿进行改进，给出了结构图，建立了数学模型，分析了雾化液体干燥剂的需要量，对液滴的沉降过程进行了数学分析，得到了液滴尺寸、管径和管长的组合原理和一些简单的组合模式，考虑了合适的除雾器。气液混合管推荐为2~4m，合适的雾滴直径为20μm，选择网式除雾器，其效果好，压力降小。与填充床形式相比，超声雾化组合形式可以在相同数量的液体干燥剂下产生更大的反应面积。与喷淋塔形式相比，这种新的组合形式可以产生细小且极小的液滴，以低的速度喷出，保证了除湿时间。
Packed-bed dehumidification was improved by introducing ultrasound atomization technology.The structure diagram was given.Mathematical model was established to analyse the required quantity of atomized liquid-desiccant.Settlement process of liquid droplets was also mathematically analyzed to get the combination principle and some simple combination patterns of droplet size,pipe diameter and pipe length.Appropriate mist eliminator was considered.The results show that the liquid-air ratio is much lower than that of other dehumidification forms,the length of the air-liquid mixing pipe commended to be 2?4 m,the appropriate droplet diameter is 20 μm,the mesh mist eliminator is chosen for its good effect and lower pressure drop.Compared with packed-bed form,the ultrasound-atomization combined form can produce much more reacting area with the same quantity of liquid-desiccant.Compared with the spray-tower form,this new combined form can produce fine and minimal liquid droplet coming out with much low velocity,which ensures the dehumidifying time.