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Which high-efficiency filters are generally suitable for clean rooms?
Which high-efficiency filters are generally suitable for clean rooms?In various clean room environments, high-efficiency filters can effectively filter and intercept tiny particles, bacteria, viruses, and other impurities in the air through their special design and materials. They are key equipment to ensure that the air quality reaches extremely high standards. In a clean room, how should we choose the type of high-efficiency filter? What are the differences between these different filters?According to the appearance, there are three main types of high-efficiency filters, such as: Liquid tank type high-efficiency filter: It can provide reliable sealing and ensure an extremely high filtering effect. Its filtering efficiency can usually reach more than 99.999%. For example, in some high-level standard clean workshops, such as ISO5 clean workshops, liquid tank-type high-efficiency filters can effectively intercept particles with a particle size of more than 0.3 microns, ensuring that the air quality in the workshop reaches extremely high standards; in biological laboratories, it can provide a stable sterile environment for experimental operations and effectively prevent microbial contamination. High-efficiency filter with partition: The filtering efficiency can reach 95% to 99.99%, and the dust holding capacity can reach up to several hundred grams. In electronic manufacturing clean rooms, such as clean rooms for semiconductor production, partition-free high-efficiency filters can effectively remove tiny dust in the air and ensure the production quality of chips; in precision instrument production workshops, it can ensure that the dust and other impurities in the production environment are extremely low so that the produced instruments have higher precision and reliability. Non-partitioned high-efficiency filters: The wind resistance is usually around 100 to 200 Pascals, which has a smaller wind resistance advantage than other types. It has a compact structure and occupies a small space. In some clean rooms with high requirements for airflow uniformity, such as some high-end medical equipment production clean rooms, non-partitioned high-efficiency filters can make the air evenly distributed and provide a good environment for product production; in places that focus on energy saving, its smaller wind resistance can reduce energy consumption, such as some energy-saving electronic clean rooms, using non-partitioned high-efficiency filters can save a certain proportion of energy costs each year. In addition, some special types of high-efficiency filters may be selected according to specific needs, such as: Ultra-low resistance high-efficiency filters: The wind resistance is as low as about 50 Pascals, but the filtration efficiency can be as high as 99.9% or even higher. It is more suitable for clean room scenarios that need to minimize wind resistance while ensuring high-efficiency filtration. High-efficiency filter with high-temperature resistance: can withstand temperatures of around 300°C or even higher, and the filtration efficiency is not less than 99%. In some clean rooms with high-temperature environments, such as some special process production areas. Chemical corrosion-resistant high-efficiency filter: has a strong tolerance to common corrosive substances such as high-concentration acids and alkalis, and the filtration efficiency is usually above 95%. Used when there are corrosive gases or substances in the clean room. |
