公共场所集中空调通风管道卫生状况调查

目的通过对公共场所集中空调通风管道卫生状况的现场调查和检测,发现存在的问题,提出改进建议,预防和控制集中空调通风系统可能出现的健康危害因素。方法依照《公共场所集中空调通风系统卫生规范》要求,对我市长期使用集中空调通风的10家宾馆和6家大型商场、超市进行现场调查,对其风管内的积尘量及积尘中的细菌总数和真菌总数进行了采样与检测。结果公共场所集中空调通风管道积尘量有40.6%超标,细菌总数有52.1%超标,真菌总数有58.3%超标,且集中空调通风管道的污染与行业无关。结论公共场所集中空调通风系统存在卫生安全问题,应加大卫生监督与管理力度。

Investigation on Hygien Condition of Ventilating Device of Centralized Air-conditioning System in Public Places

Objective Based on the field investigation and examination, to prevent and control health risk factors that possibly caused by the ventilating device of centralized air-conditioning system by proposing suggestions for improvement. Methods According to the requirements of Hygienic Criterion of Ventilating Device of Centralized Air-conditioning System in Public Places, investigation was carried out on the hygienic condition of ventilating device of centralized air-conditioning system in 10 hotels and 6 large-scale supermarkets. Sampling and examining were conducted inside the ventilating devices on the dust amount and bacteria quantity as well as epiphyte quantity in the dust. Results 40.6% of the ventilating devices in public places surpassed the set standard of dust amount, 52.1% surpassed that of bacteria quantity, and 58.3% surpassed that of epiphyte quantity. The pollution in the ventilating devices had nothing to do with trades. Conclusion Problems exists in the hygien condition of ventilating devices of centralized air-conditioning system in public places. Therefore, supervision on the hygien condition of ventilation devices should be enhanced.