Performance analysis of a novel household water purification system based on humidification-dehumidification principle
Performance analysis of a novel household water purification system based on humidification-dehumidification principle
复制标题
基于加湿除湿原理的新型家用净水系统性能分析
DOI：
10.1016/j.desal.2019.114099
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发表时间：
2019-11
期刊：
影响因子：
9.9
通讯作者：
Hua Ruoqiu
中科院分区：
文献类型：
--
作者：
Li Kun;Wu Weidong;Hu Kun;Wang Li;Hua Ruoqiu
为了避免家用膜过滤净水器中过滤器的频繁清洗和更换，本文提出了一种基于加湿-除湿（HDH）原理的新型家用水净化系统。系统采用热泵机组对密闭循环空气进行加热和冷却。通过模拟不同进水温度（5 ~ 25℃）的年工况进行了实验研究。分析了系统运行工况、电耗、出水量、单位能耗纯水产量等性能参数。结果表明，系统性能参数与进水温度有密切关系。进水温度越高，耗电量越大，纯水产率越高，最高可达692 g/h。随着进水温度的降低，单位能耗纯水产量先上升后下降，在15℃时达到最大值1996.5 g/(kWh)。该系统的纯水产率不低于580 g/h，可满足一般家庭饮用水的需要，总溶解固形物（TDS）去除率高达97%。
In order to avoid frequent cleaning and replacement of filters in the household membrane filtration water purifiers, a novel household water purification system based on the Humidification-Dehumidification (HDH) principle was proposed in this work. A heat pump (HP) unit was utilized in the system for both heating and cooling the closed circulating air. Experimental investigation was conducted by simulating annual working conditions of different water inlet temperatures (5 to 25 ℃). The performance parameters including system operating conditions, power consumption, water production rate and pure water production per unit energy consumption were analyzed. The results showed that the system performance parameters had a close relationship with the water inlet temperature. The higher water inlet temperature would lead to larger power consumption but greater pure water production rate with a maximum of 692 g/h. The pure water production per unit energy consumption firstly rose and then declined with decreasing the water inlet temperature and reached a maximum of 1996.5 g/(kWh) at 15 ℃. The pure water production rate of this system was not less than 580 g/h, which could meet the needs of general household drinking water, and the removal rate of the total dissolved solids (TDS) was up to 97%.
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影响因子：
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作者：
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DOI：
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