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Dynamic pass box
Dynamic pass boxHere is a more detailed description of the Dynamic pass box:Definition and use Definition: Dynamic pass box is a kind of auxiliary equipment for a clean room designed according to the type of air shower, which is mainly used for the transfer of small items between clean areas and clean areas, and between clean areas and unclean areas. Use: Reduce the number of times of open the door of the clean room, reduce the pollution of the clean area to the minimum degree, block the indoor and outdoor airflow through, prevent polluted air from entering the cleaner area, and produce cross-pollution. Working principle: The fan inhales the outside air and filters through the layers of high-efficiency filters to remove dust, microorganisms, and other pollutants in the air to form a clean airflow. Subsequently, these clean air streams are sprayed from all directions to the item's surface by the rotating nozzle, which carries out a comprehensive blow on the item, effectively removing dust, hair, and other pollutants on the surface. After the end of the blowing, the dust particles will be filtered again by the primary and high-efficiency filter, and re-circulated to the air shower area, to achieve the recycling and purification of air. Structural characteristics Box: We usually use high-quality cold-rolled steel plates with surface electrostatic spray treatment. We can also choose stainless steel plates with good sealing and corrosion resistance. Doors and interlocking devices: both sides of the door are equipped with mechanical interlocking or electronic interlocking devices to ensure that both sides of the door can not be opened at the same time to prevent accidents and air cross-pollution. Air shower system: including high-pressure head, large air volume fan, low resistance filter multiple air shower nozzles, etc., can produce high-speed airflow to blow items. Working table: short distance transfer window working table made of stainless steel plate, smooth, clean, and wear-resistant; Long distance transfer window work table with no power roller, easy to transfer items. Sealing material: Using EVA sealing material, high sealing performance, to prevent the impact of outside air on the clean area. Functional characteristics High-efficiency purification: The use of a high-efficiency filter, with a filtration efficiency of up to 99.99%, can effectively remove dust, microorganisms, and other pollutants in the air, to ensure the cleanliness of the transfer of goods. Disinfection and sterilization: part of the air shower transfer window is equipped with ultraviolet germicidal lamps, which can disinfect and sterilize the transfer items and further improve the cleanliness. Customizability: Various models and specifications can be customized according to actual needs such as the size of the clean area, and the size and weight of the item. Application scenario Electronic semiconductor industry: used for the transfer of parts and test tools between dust-free workshops to ensure that products are not contaminated by dust and microorganisms during the production process. Biopharmaceutical industry: Transfer gadgets and samples between production workshops of different clean levels, such as between raw material areas and preparation areas, to prevent cross-contamination and ensure drug quality. Food processing industry: used for the transfer of goods between the clean packaging area and the unclean raw material area to ensure the health and safety of food. Hospitals: such as operating rooms, sterile wards, and other areas to transfer medical equipment, drugs, etc., between other areas to maintain a sterile environment. Usage method Item preparation: Wipe the item to be transferred with 0.5% peracetic acid or 5% iodophor solution. Put items in: Open the side door of the transfer window, quickly place the items to be transferred, disinfect the transfer window with 0.5% peracetic acid spray, and close the side door of the transfer window. Air shower and disinfection: Open the ultraviolet lamp in the transfer window, and ultraviolet irradiation of the items to be transferred for no less than 15 minutes. At the same time, the air shower system automatically starts to purge the items. Remove items: Inform the experimenter or staff in the barrier system to open the inner side door of the transfer window, remove items, and close the inner side door of the transfer window. |
