居民住宅室内甲醛现状及温湿度影响分析

Analysis of Indoor Formaldehyde Status and Influence of Temperature and Humidity in Residential Buildings

本文通过对乌鲁木齐市234户住宅1076个居室,根据不同功能区居室,装修完成后时间段、温度、湿度三个要素分析室内空气中甲醛数据得出,居室样本总体超标率为50.0%。甲醛超标样本(浓度大于0.150 mg/m^(3))占样本总量的20.5%。随时间变化总体呈下降趋势,室内甲醛污染最严重的时段在装修后6个月内以及每年5—9月。当温度、湿度变化幅度在1℃、5%rH时,甲醛浓度分别增加24.5%、21.6%。不同功能区居室的甲醛平均含量高低顺序为:儿童房>厨房>书房>主卧>次卧>卫生间>客厅。

The formaldehyde data in the indoor air of 1076 rooms of 234 houses in Urumqi city were analyzed,combined with the three elements of the rooms with different functions,the time period after decoration and the temperature and humidity lamp.The results show that the overall over-standard rate of the bedroom sample is 50.0%.Samples with formaldehyde concentration greater than 0.150 mg/m^(3) exceeded the standard accounted for 20.5% of the total samples.The indoor formaldehyde pollution is most serious within 6 months after decoration and from May to September every year.The indoor formaldehyde pollution is most serious within 6 months after decoration and from May to September every year.When the temperature and humidity vary at 1℃ and 5%rH,the formaldehyde concentration increases by 24.5% and 21.6%,respectively.The order of average formaldehyde content in different functional areas is:children's room>Kitchen room>The study room>The master bedroom>The Second bedroom>Toile>The living room.