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目的了解泰安市公共场所集中空调通风系统清洗消毒效果,为加强公共场所卫生管理提供参考。方法通过现场调查和采样检测方法,对泰安市部分公共场所集中空调通风系统的清洗消毒效果进行调查与监测。结果医疗机构、宾馆和写字楼清洗消毒前集中空调通风管道卫生质量合格率分别为83.52%、56.25%和59.77%;经过对新风机组和风机盘管、主风管道及支风管道等分别用有效溴250 mg/L清洗消毒、清洗机器人和电动软轴刷分别清洗消毒后,消毒效果合格率分别为99.45%、88.54%和90.96%。结论泰安市公共场所集中空调通风系统污染超标严重,通过清洗消毒可显著改善公共场所卫生状况,应加强监督监测。
Objective To understand the cleaning and disinfection effects of central air conditioning and ventilation system in public places in Tai’an City and provide reference for strengthening the public health management. Methods Through field investigation and sample detection methods, the cleaning and disinfection effects of central air conditioning and ventilation system in some public places in Tai’an were investigated and monitored. Results The qualified rate of hygienic quality of central air-conditioning ventilation ducts before cleaning and disinfection in medical institutions, hotels and office buildings were 83.52%, 56.25% and 59.77% respectively. After passing through fresh air units and fan coils, main air pipes and branch pipes, After cleaning and disinfecting with 250 mg / L cleaning and disinfecting, cleaning robot and electric flexible shaft brush separately, the passing rate of disinfection effect was 99.45%, 88.54% and 90.96% respectively. Conclusion The pollution of central air-conditioning and ventilation system in public places in Tai’an City is seriously exceeded. Cleaning and disinfection can significantly improve the sanitary conditions in public places. Supervision and monitoring should be strengthened.