摘要
使用耐腐蚀的10PPI氧化铝(Al2O3)陶瓷泡沫作为溶液除湿填料并对其进行了实验研究。采用氯化锂的水溶液作为除湿剂。实验在人工环境舱中进行,研究了在溶液和空气处于逆流的情况下,进口空气流量、干球温度、含湿量以及进口溶液温度、浓度、流量对除湿量和除湿效率的影响。除湿效率和除湿量最高分别可以达到62.69%和0.819g/s。进口空气流量、含湿量,进口溶液流量、浓度的增加对除湿量增加起促进作用,但是进口空气干球温度、进口溶液温度的增加时除湿量是减少的。进口空气流量、干球温度以及进口溶液温度的逐渐增加时,除湿效率呈现下降趋势。进口溶液浓度对除湿效率的影响很小。利用实验结果拟合出了除湿效率和除湿量的表达式。
Alumina （A1203） ceramic foam blocks with a pore density of 10 PPI （Pores Per Inch） were selected to be the liquid desiccant dehumidification packing. Experiments were carried out in a psychrometric chamber with controllable air temperature and humidity. The effects the dry-and wet-bulb temperature as well as mass flow rate of inlet air, the flow rate, the concentration and the temperature of the inlet solution on the dehumidification performances were analyzed. The moisture removal rate and dehumidification efficiency were chosen as the performance index. Experimental results shows the moisture removal rate of the packing increases with the inlet air flow rate ,humidity ratio, inlet solution flow rate and concentration but decreases with the temperature of inlet air and solution. The dehumidification efficiency drops with the increment of the inlet air flow rate, the dry-bulb temperature of inlet air and the inlet solution temperature. The effect of inlet solution concentration on the dehumidification efficiency is negligible. The equations of dehumidification efficiency and water removal rate were fitted.
出处
《建筑热能通风空调》
2013年第1期5-10,共6页
Building Energy & Environment
基金
十二五"国家科技支撑计划(2011BAJ03B00)
国家自然科学基金(No.51036001)
关键词
氧化铝陶瓷泡沫逆流除湿量除湿效率
alumina ceramic foams, counter flow, moisture control, dehumidification efficiency
