石家庄公共场所集中空调通风系统微生物污染监测与评价

Monitoring and evaluation on microbial pollution of centralized air ventilation system in public places in Shijiazhuang

目的分析石家庄市集中空调通风系统卫生状况,为加强集中空调通风系统的消毒管理提供技术支持。方法按照《公共场所集中空调通风系统卫生规范》,对公共场所集中空调通风系统的冷凝水、冷却水、积尘、空气分别进行采样、检测。结果通风管积尘:总合格率57.6%;送风口空气:总合格率74.8%;冷却水、冷凝水中嗜肺军团菌:总合格率79.5%。结论石家庄市的空调通风系统存在着一定的卫生问题,建议定期清洗消毒,加强监管。

Objective To analyze the sanitary conditions of central air ventilation system m 3nljlaznuang, ano provide technical support for strengthening the disinfection management of centralized air ventilation system. Method Sample and detect the condensate water, cooling water, dust, air in central air ventilation systems, respectively in accordance with Sanitary Specification of Central Air Ventilation Systems in Public Places. Re sults The overall qualified rate of dust in ventilating duct was 57.6% ; the qualified rate of air in air distribu tor was 74. 8% ; and the qualified rate of legionella pneumophila in cooling and condensate water was 79.5%. Conclusion There were some sanitation problems in air ventilation system in Shijiazhuang, thus we suggested to clean and disinfect them regularly, and strengthen supervision.