新型低温等离子体消毒装置研制及性能测试

Performance Test of a New Low Temperature Plasmagenerator for Disinfection

目的研制一款新型低温等离子体消毒装置,以实现医院等室内空间环境的实时动态消毒。方法采用石英介质阻挡放电技术电离空气产生含多种带电粒子和活性氧组分的消毒因子,通过气流主动式释放消毒因子的方式实现空气环境净化和物体表面消毒。结果实验证明该装置能制造出不含氮氧化物的消毒因子,经检验其能有效消除室内空气、平板表面以及隔离服上的细菌病毒。结论该低温等离子体消毒装置具有较好的室内空气和表面的消毒能力,为阻断医院内环境中的病菌传播提供新的设备和技术手段。

Objective To develop a new type of low-temperature plasma generator to realize real-time dy⁃namic disinfection of indoor space environment.Methods Quartz Dielectric Barrier Discharge(DBD)technology was used to ionize air to generate various disinfection factors of charged particles and active oxygen components.Air environment purification and object surface disinfection were realized by actively releasing disinfection factors by air flow.The integrated intelligent induction,analysis and control system ensured the safe,effective and reliable opera⁃tion of the device.Results The device could produce disinfection factors without nitrogen oxides,and experimental tests proved that it could effectively eliminate bacteria and viruses in indoor air,flat surface and isolation clothing.Conclusion The low-temperature plasma disinfection device has better disinfection ability of indoor air and surface,and provides new equipment and technical means for indoor environment to block the spread of germs and virus.