住宅内有害气体的排污效能研究

目的为研究住宅内人造板材释放甲醛等有害气体的排污效能.方法以CO2为代表性污染物,经单送风、单排风、送风加排风等工况的实验测试及理论分析,模拟出对室内甲醛的排污效果.结果在对实验数据分析整理的基础上,得出CO2气体在通风状态下体积质量浓度的变化率,进而模拟出该条件下的甲醛质量浓度变化曲线,从而得到在某初始条件下室内甲醛在各种通风状态下的质量浓度变化规律.结论对于室内的气体污染物,若其发生量为定值时,经单送风、单排风、送风加排风均可降低室内污染物的质量浓度,且这3种方式的排污效能无明显差异;在同等实验的条件下,若使住宅客厅内维持在甲醛一级空气品质状态,全天持续最小排风量不应小于35 m^3/h.

The Research on Contaminant Removing Efficiency of Harmful Air in the Residence

The aim is to research on the contaminant removing efficiency of the formaldehyde of artificial plate in the residence.The means is to take CO_2 as the representative pollutant,through the experimental test on and theoretical analysis of air supply,air removing,ventilation conditions and so on,and to simulate the contaminant removing efficiency of the formaldehyde in the residence.It results in the density change of CO_2 under the well ventilated conditions on the basis of the data analysis,simulates the contaminant-formaldehyde's density curve in the conditions,and finds the formaldehyde's density laws in the primitive condition,in ventilation and air exchange conditions.The conclusion is that,as to the contaminant in the residence,if the scattered amount is constant,it can decline the contaminant density in all the conditions,and there is not obvious divergence on the contaminant removing efficiency.In the same as the experimental conditions,if it maintains at first-class air quality condition of the formaldehyde in the residence,the minimal amount of air removing should not be smaller than 35?m~3/h all the day.