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暖通空调杂志社>期刊目次>2018年>第12期

转轮除湿系统除湿效率及空气净化效率实验研究

Experimental study on dehumidification and air purification efficiencies of rotary wheel dehumidification system

祁 冬 葛天舒
上海交通大学

摘要:

搭建了转轮除湿系统实验台,对其除湿性能及去除污染物的性能进行了测试。研究了再生温度、处理空气和再生空气风量、处理空气含湿量对转轮系统的除湿量和除湿效率的影响,同时也研究了再生温度、处理空气和再生空气风量、处理空气含湿量、污染物浓度对污染物净化效率的影响。实验结果显示:转轮除湿系统在除湿和去除污染物方面均具有良好的性能;除湿量、除湿效率及对污染物的净化效率均会随着再生温度的升高而增大;处理空气含湿量越高,除湿效率越低;处理空气风量越大,除湿量、除湿效率及对污染物的净化效率越低;再生空气风量越大,除湿量、除湿效率及对污染物的净化效率越高;当处理空气的相对湿度低于70%时,处理空气相对湿度对污染物的净化效率影响较小,当相对湿度高于80%时,随着相对湿度的增加,污染物的净化效率急剧下降。

关键词:转轮除湿系统,除湿效率,净化效率,再生温度,处理空气,再生空气

Abstract:

Sets up a rotary wheel dehumidification system and tests the dehumidification performance and contaminant removal performance. Investigates and analyses the effects of regeneration temperature, processed air rate, regenerated air rate, and humidity ratio of processed air on the dehumidification capacity and dehumidification efficiency, as well as the effects of regeneration temperature, processed air rate, regenerated air rate, humidity ratio of processed air and contaminant concentration on air purification efficiency. The experimental results show that the rotary wheel dehumidification system has good performances of dehumidification and contaminant removal. The dehumidification capacity, dehumidification efficiency and air purification efficiency increase with the increase of regeneration temperature. The higher the humidity ratio of processed air, the lower the dehumidification efficiency. The larger the processed air rate, the lower the dehumidification capacity, dehumidification efficiency and air purification efficiency. The greater the regenerated air rate, the higher the dehumidification capacity, dehumidification efficiency and air purification efficiency. When the relative humidity of processed air is lower than 70%, the effect of the relative humidity of processed air on air purification efficiency is not remarkable, and when the relative humidity of processed air is higher than 80%, the air purification efficiency will drop dramatically with the increase of relative humidity.

Keywords:rotarywheeldehumidificationsystem,dehumidificationefficiency,purificationefficiency,regenerationtemperature,processedair,regeneratedair

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