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How are clean bench selected?
How are clean bench selected?In the production of various industries, it is inevitable to encounter only some small parts or a process of cleanliness level requirements, this time building a certain area of the clean room is not cost-effective, which requires a clean workbench to show their skills. The clean bench can provide a local dust-free sterile working environment for air purification equipment, the clean level can reach 100 and can be widely used in medical and pharmaceutical, food, scientific experiments, optical semiconductors, electronics, aseptic chamber experiments, and other needs of the local clean and sterile working environment of the scientific research and production sector. At the same time can also be used with the production line, with low noise, mobility, and other characteristics, the use of a clean bench to improve process conditions, improve product quality and enhance the yield rate have better results. The clean bench is generally divided into vertical flow clean bench, return air type clean bench, and other different types, according to the use of different environments, the selection of clean bench type is also different. Usually, in the clean room or clean laboratory choose to use a vertical flow bench, positive pressure under the clean airflow can effectively prevent the outside air from entering the operating area without filtration; and in the absence of cleanliness control of the ordinary environment, more suitable for the choice of using the return-type clean workbench, this type of workbench will generally be retrofitted with lifting doors and windows, the use of cleanroom air circulation principle, the workbench surface punched back to the wind, the formation of a small This type of workbench is usually equipped with lifting doors and windows, and adopts the principle of cleanroom air circulation, with perforated return air on the working surface to form a small internal circulation, which can effectively prolong the service life of high-efficiency filters, and is especially suitable for use in ordinary environments, and it is more convenient to control cleanliness. |
