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首页> 外文期刊>Building and Environment >Experimental analysis of the effect of moisture on air cleaning performance of desiccant wheel in a Clean Air Heat Pump
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Experimental analysis of the effect of moisture on air cleaning performance of desiccant wheel in a Clean Air Heat Pump

机译：清洁空气热泵中水分对除湿轮空气清洁性能影响的实验分析

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摘要

Clean air heat pump (CARP) is a new technology that combines air cleaning with hygro-thermal control of ventilation air, which is regarded as a potential integrated technology to improve indoor air quality. In CARP, a regenerative silica gel rotor is used for both moisture control and air cleaning. This study experimentally investigated the effect of moisture on the air cleaning performance of a desiccant wheel with the objective to guide practical operation of CAHP. The experiment was conducted in a laboratory by testing air cleaning performance of a CARP using five typical indoor pollutants - formaldehyde, acetone, ethanol, toluene and 1,2-dichloroethane as air pollutants. It was found that although the VOC concentration was low and only used a very small fraction of the wheel's adsorption capacity, the moisture load still had an adverse impact on the VOCs removal and the extent of impact was increased with the increasing of moisture load. This negative effect of moisture on the removal of non-water-soluble pollutants was more serious than on water-soluble pollutants. Faced with the results, it is suggested to achieve VOCs and moisture removal by means of controlling regeneration air temperature of desiccant wheel assisted with automation program for the CAHP system.
机译：清洁空气热泵（CARP）是将空气清洁与通风空气的湿热控制相结合的一项新技术，被认为是改善室内空气质量的潜在集成技术。在CARP中，再生硅胶转子既可用于控制湿度，又可用于空气净化。这项研究通过实验研究了水分对干燥剂轮的空气净化性能的影响，目的是指导CAHP的实际操作。该实验是在实验室中通过使用五种典型的室内污染物-甲醛，丙酮，乙醇，甲苯和1,2-二氯乙烷作为空气污染物来测试CARP的空气净化性能而进行的。结果发现，尽管VOC浓度很低并且仅使用了车轮吸附能力的很小一部分，但是湿气负荷仍然对VOC的去除产生不利影响，并且影响程度随着湿气负荷的增加而增加。水分对去除非水溶性污染物的负面影响比对水溶性污染物的负面影响更为严重。面对结果，建议通过控制CAHP系统的自动化程序，通过控制除湿轮的再生空气温度来实现VOC和水分去除。

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  • 来源
    《Building and Environment》 |2019年第1期|551-558|共8页
  • 作者

    Sheng Ying; Fang Lei;

  • 作者单位

    Tianjin Univ, Sch Environm Sci & Engn, Tianjin Key Lab Indoor Air Environm Qual Control, Tianjin, Peoples R China;

    Tech Univ Denmark, Int Ctr Indoor Environm & Energy, Dept Civil Engn, DK-2800 Lyngby, Denmark;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Ventilation; Air cleaning; VOCs; Moisture; Energy saving;

    机译：通风;空气清洁;VOCs;水分;节能;

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