Clean rooms are divided into non biological clean rooms and biological clean rooms, biological clean rooms, air purification system must maintain continuous operation, non biological clean room air purification system can be opened several hours ahead of time. Measure dust particles in the room with dust counter, clean indoor environmental sanitation, wait for 1 hours after cleaning, to prevent pollution caused by human factors. For the control of microbial content, the control of microorganisms in clean rooms mainly depends on the air purification equipment system. The filtration performance can reach 99%, and the dust and bacteria can be removed effectively.
About disinfection liquid disinfection, after production is finished, use 75% ethylene alcohol to wipe machine, door, window, desk top. Clean all the facilities on a regular basis and ceiling and lighting surface disinfection, microbial content to control the clean room. These measures can only control the amount of bacteria in the air in the clean room. If more molds are used, they will be sprayed indoors with calcium carbonate, which will be sterilized by formaldehyde. This is the only way to remove bacteria and mold.
Wait until after the end of each production cycle, the clean room disinfection of the next cycle before production, measuring the number of dust particles in clean room to meet the requirements, then the formaldehyde fumigation on the clean room, according to the long-term measured results show that this method under the environment sterilization effect.
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