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Daily maintenance methods of clean transfer window and laminar flow transfer window
Daily maintenance methods of clean transfer window and laminar flow transfer windowThe difference between a clean transfer window and a laminar flow transfer window is mainly reflected in the following aspects:Working principle Clean transfer window: By installing the fan and high-efficiency filter in the transfer window, the fan is started before opening the window so that clean air passes through, reducing the polluting of air into the clean area when transferring items. Laminar flow transfer window: The use of laminar flow technology, through the fan to inhale the air from one side, and then out from the other side, forming a layer of stable air flow, so that the transfer window inside the formation of a high cleanliness environment, usually the airflow is sent up and down mode. Structural composition Clean transfer window: generally composed of transfer window body, fan, air filter, electronic or mechanical interlocking device. Some clean transfer Windows may also have optional accessories such as ultraviolet germicidal lamps and walkie-talkies. Laminar flow transfer window: usually consists of one or more laminar flow fans, transfer window body, primary filter, high-efficiency filter, differential pressure meter, control device, ultraviolet lamp, lighting, and so on. Its inner and outer double shell, the inner circular arc treatment, the bottom of the stainless steel cold-rolled plate punching design and set reinforcement, efficient airflow plate using stainless steel mesh plate. Use effect Clean transfer window: it can reduce the number of times of opening the door of the clean room to a certain extent, reduce the pollution of the clean area, and is suitable for places where the cleanliness requirement is not very high, such as general clean workshops. Laminar flow transfer window: It can ensure that the interior of the transfer window reaches A high degree of cleanliness, such as class A or Class B, which can effectively prevent external pollution from entering the clean room, and is suitable for places with high cleanliness requirements, such as biological clean areas of biopharmaceuticals, scientific research units, centers for Disease Control and Prevention, large hospitals, etc. Application scenario Clean transfer window: widely used in microtechnology, biological laboratories, pharmaceutical factories, hospitals, the food processing industry, LCD, electronics factories, and other places that need air purification, in some areas with relatively low cleanliness requirements between the transfer of the goods is more commonly used. Laminar flow transfer window: mainly used on occasions with harsh cleanliness requirements, especially in the transfer of small objects between purification workshops of different levels and different pressures, such as between areas of different clean levels in pharmaceutical GMP purification workshops. Wind speed and cleanliness Clean transfer window: Generally, the wind speed is not as strict as the laminar flow transfer window, and its cleanliness can usually reach thousands or higher, but it is not as clean as the laminar flow transfer window. Laminar flow transfer window: After the high-efficiency filter, the outlet wind speed is usually controlled at 0.3-0.8 m/s, and its internal cleanliness can reach ten or even one level, which can provide a cleaner environment for the delivery of goods. In general, a laminar flow transfer window is an advanced form of the clean transfer window, which performs better in scenes with high cleanliness requirements, and a clean transfer window is suitable for a wider range of general clean places. |
