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樊越胜, 司鹏飞, 李安桂, 刘少锋. 集中空调系统积尘理化特征[J]. 环境化学, 2011, 30(8): 1500-1504.
引用本文: 樊越胜, 司鹏飞, 李安桂, 刘少锋. 集中空调系统积尘理化特征[J]. 环境化学, 2011, 30(8): 1500-1504.
shu
FAN Yuesheng, SI Pengfei, LI Angui, LIU Shaofeng. PHYSICAL AND CHEMICAL BEHAVIOR OF DUST DEPOSITION IN CENTRAL AIR-CONDITIONING SYSTEM[J]. Environmental Chemistry, 2011, 30(8): 1500-1504.
Citation: FAN Yuesheng, SI Pengfei, LI Angui, LIU Shaofeng. PHYSICAL AND CHEMICAL BEHAVIOR OF DUST DEPOSITION IN CENTRAL AIR-CONDITIONING SYSTEM[J]. Environmental Chemistry, 2011, 30(8): 1500-1504.
shu

集中空调系统积尘理化特征

  • 1.

    西安建筑科技大学环境与市政工程学院, 西安, 710055;

  • 2.

    中国建筑西南设计研究院, 成都, 610081;

  • 3.

    中国市政工程西北设计研究院, 兰州, 730000

  • 基金项目:

    中国博士后基金面上资助项目(20090461287).

PHYSICAL AND CHEMICAL BEHAVIOR OF DUST DEPOSITION IN CENTRAL AIR-CONDITIONING SYSTEM

  • 1.

    Xi'an University of Architecture and Technology, Xi'an, 710055, China;

  • 2.

    China Southwest Architectural Design & Research Institute Ltd., Chengdu, 610081, China;

  • 3.

    China Northwest Municipal Engineering Design & Research Institute Ltd., Lanzhou, 730000, China

  • Fund Project:

  • 摘要: 利用现场采样与实验分析的方法,对集中空调系统内的积尘进行了粒径分布、水溶性碳物质及离子含量的分析,以评估集中空调系统内积尘对微生物滋生的影响.结果表明,集中空调系统除新风段外的6个采样段,积尘平均粒径介于6-20 μm之间,新风段积尘平均粒径为41.30 μm;沿送风方向,微粒的平均粒径减小,单位积尘量所含的水溶性离子和有机碳含量明显增大;沿送风方向,单位积尘量所含微生物呈增长趋势,但表冷段最高;微生物浓度与水溶性有机碳含量呈显著的正相关性.减少空调系统造成的微生物及化学污染,应加强对单位面积积尘量以及微小粒子的控制,减少微生物生长所需有机碳物质,同时应加强新风段与表冷段的消毒.
    Abstract: A study was carried out to assess how dust deposits affect the breeding of microorganisms in central air-conditioning systems. Dust deposits from 7 different locations of a commercial air-conditioning system were collected. Particle size distribution and content of total organic carbon (TOC), inorganic carbon(IC) and water soluble ions were analyzed. Results revealed that, with the exception of the fresh air section, the average particle size of the dust falls into the range of 6 μm to 20 μm (the average particle size of dust in the fresh air section is 41.30 μm); Along the direction of air supply, the content of carbon and water soluble ions increased and average particle size decreased. The microorganism concentration also increased along the direction, however, it is the highest in the cooling section. A positive correlation between microbial concentration and the content of soluble organic carbon per unit area was observed. In order to reduce indoor air pollution, air filters with high grade efficiency to small particles should be taken. And disinfection measures should be taken in the air-conditioning systems, especially in the fresh air section and cooling section.
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  • [1] 李先瑞.空调通风管道的管理(上)[J].节能与环保,2003,6:36-39
    [2] Homer W E,Miller J D.Microbial volatile organic compounds with emphasison those arising from filamentous fungal contaminants of buildings[J].ASHRAE Transactions,2003,109(l):215-231
    [3] Ole Fanger P.What is IAQ? [J].Indoor Air, 2006, 16:328-334
    [4] Lu Z, Lu W Z, Zhang J L, et al.Microorganisms and paricles in AHU systems: measurement and analysis [J].Building and Environment, 2009, 44(4):694-698
    [5] Ahearm D G,Crow S A,Simmons R B,et al.Fungal colonization of air filters and insulation in a multi-story office building: Production of volatile organics[J].Curr Mierobiol,1997,35:305-308
    [6] Kemp P C,Neumeister-Kemp H G,Esposito B,et al.Changes in airborne fungi from the outdoors to indoor air: large HVAC systems in non-problem buildings in two different climates[J].AIHA Journal,2003,64(2):269-275
    [7] Simmons R B,Priee D L,Noble J A,et al.Fungal colonization of air filters from hospitals[J].AIHA Journal, 1997,58:900-904
    [8] 沈晋明,许钟麟.空调系统的二次污染与细菌控制[J].暖通空调,2002,32(5):30-33
    [9] Pasanen P, Pasanen A, Jantunen M. Water condensation promotes fungal growth in ventilation ducts [J]. Indoor Air, 1993, 3: 106-112
    [10] Murtoniemi T, Hirvonen M R, Nevalainen A, et al. The relation between growth of four microbes on six different plasterboards and biological activity of spores [J]. Indoor Air, 2003, 13: 65-73
    [11] Jamriska M, Morawska L, Ensor D S. Control strategies for sub-micrometer particles indoors: model study of air filtration and ventilation [J].Indoor Air, 2003, 13: 96-105
    [12] Schneider T, Bohgard M. Airborne particle deposition onto the ocular surface [J]. Indoor Air, 2005, 15: 215-219
    [13] 刘文碧,刘迎云,廖颉,等.空调系统中温湿度与真菌污染关系的研究[J].环境科技,2009,22(3):22-25
    [14] 李安桂,姚灵芝,侯娟娟,等. 集中式空调机组系统微生物污染的实测分析[J].暖通空调, 2010, 40(3):121-125
    [15] Chow J C,Watson J G, Fujita E M, et al. Temporal and spatial variations of PM2.5 and PM10 aerosol in the Southern California air quality study[J]. Atmospheric Environment, 1994, 28:2061-2080
    [16] 霍宗权,沈振兴,田晶,等.西安市大气PM10中水溶性有机碳的季节变化及来源分析[J].西安交通大学学报,2010,44(9):128-132
    [17] 赵荣义,范存养,薛殿华,等.空气调节[M].北京:中国建筑工业出版社,2006:117-117
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  • 收稿日期:  2010-10-06
樊越胜, 司鹏飞, 李安桂, 刘少锋. 集中空调系统积尘理化特征[J]. 环境化学, 2011, 30(8): 1500-1504.
引用本文: 樊越胜, 司鹏飞, 李安桂, 刘少锋. 集中空调系统积尘理化特征[J]. 环境化学, 2011, 30(8): 1500-1504.
shu
FAN Yuesheng, SI Pengfei, LI Angui, LIU Shaofeng. PHYSICAL AND CHEMICAL BEHAVIOR OF DUST DEPOSITION IN CENTRAL AIR-CONDITIONING SYSTEM[J]. Environmental Chemistry, 2011, 30(8): 1500-1504.
Citation: FAN Yuesheng, SI Pengfei, LI Angui, LIU Shaofeng. PHYSICAL AND CHEMICAL BEHAVIOR OF DUST DEPOSITION IN CENTRAL AIR-CONDITIONING SYSTEM[J]. Environmental Chemistry, 2011, 30(8): 1500-1504.
shu

集中空调系统积尘理化特征

  • 1.  西安建筑科技大学环境与市政工程学院, 西安, 710055;
  • 2.  中国建筑西南设计研究院, 成都, 610081;
  • 3.  中国市政工程西北设计研究院, 兰州, 730000
  • 收稿日期:  2010-10-06
基金项目:

中国博士后基金面上资助项目(20090461287).

摘要: 利用现场采样与实验分析的方法,对集中空调系统内的积尘进行了粒径分布、水溶性碳物质及离子含量的分析,以评估集中空调系统内积尘对微生物滋生的影响.结果表明,集中空调系统除新风段外的6个采样段,积尘平均粒径介于6-20 μm之间,新风段积尘平均粒径为41.30 μm;沿送风方向,微粒的平均粒径减小,单位积尘量所含的水溶性离子和有机碳含量明显增大;沿送风方向,单位积尘量所含微生物呈增长趋势,但表冷段最高;微生物浓度与水溶性有机碳含量呈显著的正相关性.减少空调系统造成的微生物及化学污染,应加强对单位面积积尘量以及微小粒子的控制,减少微生物生长所需有机碳物质,同时应加强新风段与表冷段的消毒.

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