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化工学报  2013 

除湿方法对蒸发式过冷水制冰系统性能的影响

DOI: 10.3969/j.issn.0438-1157.2013.09.010, PP. 3145-3152

Keywords: 蒸发,除湿,过冷水,流态冰,性能系数

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Abstract:

根据不同的除湿方法,提出了两种新型蒸发式过冷水制冰系统,一种是改进型溶液除湿蒸发式过冷水制冰系统,改进的系统增加了水预冷子系统,并利用自身的冷却水对除湿后的空气进行降温,其不仅解决了传统过冷水法中的冰堵问题,也实现了低含湿量空气的梯级利用。另一种是基于冷冻除湿的蒸发式过冷水制冰系统,它包括蒸发式过冷水制冰与湿空气冷凝水过冷制冰两个子系统,其也克服了传统过冷水法中易冰堵的缺陷,与改进型溶液除湿蒸发式过冷水系统相比该系统更简单。根据系统性能计算,在一定工况下与传统过冷水法相比,改进型溶液除湿蒸发式过冷水系统的制冰性能系数可提高33.8%以上,基于冷冻除湿的蒸发式过冷水系统的制冰性能系数则与之基本相同。

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