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目的掌握上海世游赛金山赛区接待宾馆集中空调通风系统卫生状况,保障比赛期间卫生安全。方法通过现场调查和卫生检测,分析接待宾馆集中空调通风系统存在的卫生安全隐患。提出对集中空调通风系统进行清洗,对空调冷却塔进行连续消毒的主要干预措施。结果空调送风中细菌总数、真菌总数、β-溶血性链球菌,风管内表面积尘量、细菌总数、真菌总数,冷却水中嗜肺军团菌等指标总体初检合格率为92.5%,实施干预措施后复检合格率为100%。结论对集中空调通风系统进行清洗,对冷却塔进行连续消毒等主要干预措施是切实有效的,保障了赛事期间无嗜肺军团菌感染及其他健康危害事故的发生。
Objective To master the sanitation of central air-conditioning and ventilation systems in reception rooms of Shanghai World Tour Games in Jinshan Division and ensure the health and safety during the competition. Methods Through the field investigation and health examination, this paper analyzes the hidden dangers of health and safety in reception of centralized air conditioning and ventilation system in hotels. Proposed cleaning of central air conditioning and ventilation systems, air conditioning cooling towers for continuous disinfection of the main interventions. Results The total number of bacteria, fungi, β-hemolytic streptococcus, the amount of dust inside the duct, the total number of bacteria, the total number of fungi, the Legionella pneumophila in the cooling air were 92.5%, and the intervention rate was 92.5% After the re-examination pass rate of 100%. Conclusion The main interventions such as cleaning the HVAC system and continuously disinfecting the cooling tower are effective and effective, ensuring that no Legionella pneumophila infection and other health hazards occur during the competition.