Abstract:  Ultraviolet lamp and ozone air disinfector are applied in water disinfection and the disinfection of object surface，air disinfection and deodorization．This paper will expatiate on the principle，analyze the factors that affect disinfeetive effect and corresponding countermeasures，and attach importance to radiant intensity detection， strengthen occupational safety，and put forward that how to use ultraviolet lamp in barrier system．

Key words: Barrier System, Disinfection, Ultraviolet, Ozone, Radiant intensity, Occupational safety

摘要： 摘要：紫外线消毒灯和臭氧空气消毒机在屏障设施物体表面消毒、水的消毒、空气消毒除臭等方面有一定的应用。 本文阐述了紫外线消毒和臭氧消毒、除臭的原理，分析了影响消毒效果的众多因素并提出相应对策，重视“紫外线 辐射强度”监测，加强职业防护，并提出在屏障设施如何正确使用紫外线灯值得商榷。

关键词: 屏障设施, 消毒, 紫外线, 臭氧, 辐照强度, 职业防护