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目的:优选净化间清洁方法,为净化间清洁操作提供依据。方法:以消毒剂种类(A,75%乙醇、消毒片、0.2%新洁尔灭)、紫外灯开启时间(B,10、20、30min)、净化间风机开启时间(C,30、40、50min)为考察因素,平均菌落数为考察指标进行正交试验,优选净化间清洁方法并进行验证。结果:最优清洁方法A为消毒片,B为30min,C为40min;每周1次以最优清洁方法对净化间进行清洁,结果连续4周无菌落生长。结论:优选方法操作简便,适用于净化间的日常清洁。
Objective: To optimize the clean room cleaning method, to provide the basis for clean room cleaning operations. Methods: The disinfectant was used to disinfect the foodstuffs in different time intervals (A, 75% ethanol, disinfectant, 0.2% benzalkonium bromide) Investigation factors, the average number of colonies for the study of indicators of orthogonal test, the preferred clean room cleaning methods and verified. Results: The best cleaning method A was disinfection tablets, B was 30min, C was 40min; once a week, the cleaning room was cleaned by the best cleaning method. The results showed that there was no colony growth for 4 weeks. Conclusion: The preferred method is simple and easy to operate and is suitable for daily cleaning of decontamination rooms.