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目的了解内置光氢离子空气净化装置的集中空调通风系统对综合性医院诊疗环境空气的净化效果。方法开启集中空调通风系统光氢离子空气净化消毒装置前及开启30 min后,在静态环境下采用沉降法进行采样,采样后立即送细菌培养。结果经内置光氢离子空气净化装置的集中空调通风系统净化消毒后,Ⅱ类、Ⅲ类环境住院病房空气合格率分别为94.3%、98.3%。结论内置光氢离子空气净化装置的集中空调通风系统对综合性医院空气净化效果良好。
Objective To understand the purifying effect of the centralized air conditioning and ventilation system with built-in photon ion air purification device on the ambient air in the general hospital. Methods Before starting and turning on the hydrogen-hydrogen air disinfection device of the centralized air-conditioning and ventilation system for 30 min, the method of sedimentation was adopted under the static environment to sample and the bacteria culture was sent immediately after sampling. Results After passing through the centralized air-conditioning and ventilation system for purification of hydrogen-ionized air purification device, the passing rates of air in the in-patient ward of type II and III environment were 94.3% and 98.3% respectively. Conclusion The centralized air conditioning and ventilation system with built-in photon ion air purification device has a good effect on air purification in a general hospital.