摘要
教室内空气品质直接影响学生的身体健康和学习效率,而新风系统对室内CO2和PM2.5浓度影响显著。针对以室内CO2和PM2.5浓度为主要指标的室内空气品质提升需求,对某国际学校多个教学楼新风系统现状进行诊断测试和测试结果总结分析,探讨了室内空气品质提升所涉及的新风系统设计关键参数,例如人均新风量、室外PM2.5计算浓度、室内PM2.5浓度标准的确定,以及PM2. 5过滤效率与现行空调系统过滤效率关系等关键问题,并结合国际学校具体案例提出具体改造建议,为后续室内空气品质提升改造提供参考。
Indoor air quality affects students’ studying performance and health which determined by fresh air system. Aiming at the request of improvement of indoor air quality with indoor CO2 and PM2.5 as main indexes,the paper summarizes testing results of fresh air systems in several teaching buildings,and researches the key points such as people outdoor air rate,outdoor PM2.5 design concentration,indoor PM2.5 concentration,the relation between particle counting and sizing efficiency and arrestance efficiency in the improvement,presents the schematic rectification proposal combined with current air conditioning system and provides guidance for subsequent rectification to improve indoor air quality.
作者
刘辉
李冉
滕聪
崔治国
仇志飞
张持
LIU Hui;LI Ran;TENG Cong;CUI Zhi-guo;QIU Zhi-fei;ZHANG Chi(China Academy of Building Research,Beijing 100013,China)
出处
《建筑节能》
CAS
2019年第5期144-148,共5页
BUILDING ENERGY EFFICIENCY
基金
“十三五”国家重点研发计划:既有公共建筑综合性能提升与改造关键技术(2016YFC0700700)
关键词
人均新风量
室外PM2.
5设计浓度
室内PM2.
5设计浓度
计重效率
计数效率
国际学校
outdoor air rate per person
outdoor PM2.5 design concentration
indoor PM2.5 design concentration
particle counting efficiency
arrestance efficiency
international school
