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目的了解集中空调通风系统的设计与安装,可能对公共场所室内空气质量的影响。方法采用调查表的形式对区内16家使用集中空调的公共场所进行书面调查,并对4家公共场所的送风口、风管内表面及室内空气中的可吸入颗粒物、微生物等参数进行了检测。结果集中空调通风系统设计与安装不规范,新风口位置不符合卫生要求,是导致公共场所室内空气严重污染的重要原因。
Objective To understand the design and installation of central air-conditioning and ventilation system, which may affect the indoor air quality in public places. Methods A questionnaire was used to survey 16 public places that use centralized air conditioners in the area and to test the parameters of inhalable particles and microorganisms in the air ducts, air ducts and indoor air of 4 public places. As a result, the design and installation of the centralized air conditioning and ventilation system are not standardized and the location of the fresh air outlet does not meet the hygiene requirements, which is an important reason leading to serious indoor air pollution in public places.