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通风正压干预对存在潮湿问题的校舍室内空气质量的影响。

Ventilation Positive Pressure Intervention Effect on Indoor Air Quality in a School Building with Moisture Problems.

机构信息

Department of Civil Engineering, Aalto University, Rakentajanaukio 4, 02150 Espoo, Finland.

Department of Microbiology, University of Szeged, Közép Fasor 52, H-6726 Szeged, Hungary.

出版信息

Int J Environ Res Public Health. 2018 Jan 30;15(2):230. doi: 10.3390/ijerph15020230.

DOI:10.3390/ijerph15020230
PMID:29385772
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5858299/
Abstract

This case study investigates the effects of ventilation intervention on measured and perceived indoor air quality (IAQ) in a repaired school where occupants reported IAQ problems. Occupants' symptoms were suspected to be related to the impurities leaked indoors through the building envelope. The study's aim was to determine whether a positive pressure of 5-7 Pa prevents the infiltration of harmful chemical and microbiological agents from structures, thus decreasing symptoms and discomfort. Ventilation intervention was conducted in a building section comprising 12 classrooms and was completed with IAQ measurements and occupants' questionnaires. After intervention, the concentration of total volatile organic compounds (TVOC) and fine particulate matter (PM) decreased, and occupants' negative perceptions became more moderate compared to those for other parts of the building. The indoor mycobiota differed in species composition from the outdoor mycobiota, and changed remarkably with the intervention, indicating that some species may have emanated from an indoor source before the intervention.

摘要

本案例研究调查了通风干预对一所修复后学校的室内空气质量（IAQ）的实际测量值和感知值的影响，该校的使用者报告了室内空气质量问题。使用者的症状被怀疑与通过建筑围护结构泄漏到室内的杂质有关。本研究的目的是确定 5-7 帕的正压是否可以防止有害化学和微生物制剂从建筑物中渗透进来，从而减少症状和不适。在包含 12 间教室的建筑物部分进行了通风干预，并进行了室内空气质量测量和使用者问卷调查。干预后，总挥发性有机化合物（TVOC）和细颗粒物（PM）的浓度降低，与建筑物其他部分相比，使用者的负面感知变得更为适中。室内真菌区系与室外真菌区系在物种组成上有所不同，并且随着干预而发生显著变化，这表明某些物种在干预前可能源自室内来源。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2042/5858299/47e05307f8fa/ijerph-15-00230-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2042/5858299/09c804f4824b/ijerph-15-00230-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2042/5858299/f63834585cd2/ijerph-15-00230-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2042/5858299/84420f80502e/ijerph-15-00230-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2042/5858299/cc3e6a37d87d/ijerph-15-00230-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2042/5858299/27f34f5427d1/ijerph-15-00230-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2042/5858299/a4520410a18d/ijerph-15-00230-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2042/5858299/8ae7a571995a/ijerph-15-00230-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2042/5858299/aaefe689484d/ijerph-15-00230-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2042/5858299/47e05307f8fa/ijerph-15-00230-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2042/5858299/09c804f4824b/ijerph-15-00230-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2042/5858299/f63834585cd2/ijerph-15-00230-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2042/5858299/84420f80502e/ijerph-15-00230-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2042/5858299/cc3e6a37d87d/ijerph-15-00230-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2042/5858299/27f34f5427d1/ijerph-15-00230-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2042/5858299/a4520410a18d/ijerph-15-00230-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2042/5858299/8ae7a571995a/ijerph-15-00230-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2042/5858299/aaefe689484d/ijerph-15-00230-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2042/5858299/47e05307f8fa/ijerph-15-00230-g009.jpg

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