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鉴于在考虑采取通风措施降低室内空气PM2.5浓度时,面临不掌握空气过滤器的PM2.5过滤效率的困惑,以在相同的、规范的试验条件下得到的不同材质、不同过滤效率的多台空气过滤器的计数计径过滤效率和PM2.5计重过滤效率的测试数据为基础,分析探讨了2种过滤效率之间的关系,为空调通风系统针对室内PM2.5计重浓度的空气过滤器选型提供了初步依据。
In view of the consideration of adopting ventilation measures to reduce the concentration of PM2.5 in indoor air, it is puzzled that the PM2.5 filtration efficiency of the air filter cannot be grasped, and different materials and filtration efficiency are obtained under the same and standardized test conditions. Based on the test data of the filtration efficiency of the meter and the measurement efficiency of the PM2.5, the relationship between the two filtration efficiencies was analyzed and discussed. The air conditioning system was designed for air concentration of indoor PM2.5. Filter selection provides a preliminary basis.