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The application of FFU in the clean room and the structure of its clean room
The application of FFU in the clean room and the structure of its clean roomFFU is a self-powered, modular, end-of-line air supply unit with filtration capability. A clean shed with a variety of clean levels and spaces with, and thus clean shed in the FFU can provide a local clean environment with air purification equipment. The clean room is mainly composed of a box, fan, primary air filter, damping layer, lamps, and so on, and the shell is sprayed. The clean shed can be both hung and supported on the ground, with a compact construction and is relatively easy to use. Can be used individually, and can also be connected to form more than one band clean area, used to reduce costs.Advantages of the clean shed: a fan from the top of the FFU air intake, filtered by the primary filter, high-efficiency filters, filtered clean air in the entire air surface to 0.45m / s ± 20% of the wind speed uniformly sent out to the clean shed. It constitutes an even flow layer, so that the clean air flow is a vertical unidirectional flow, and thus achieves the required cleanliness in the working area. Can be used individually or in combination; modular structure, easy to upgrade the cleanliness level, strong expansion, and high value of overlapping use. The structure of the clean shed: 1. Clean shed frame: structural materials to industrial aluminum (or stainless steel square, iron square spraying) as the framework of a solid, beautiful, rust-free, will not produce dust. 2. Anti-static drape: surrounded by anti-static drape (or tempered glass) covered with a seamless blind at the top, forming a seamless area, The anti-static effect is good, with high transparency, and the grid is also clear, and good flexibility, not deformed, not easy to age; 3. Fan filter unit FFU: centrifugal fan, with long life, low noise, maintenance-free, small vibration, stepless variable speed, and other characteristics, fan quality reliable, long operating life, coupled with a unique air duct design, greatly improving the efficiency of the fan, reducing the noise. Internal purification level can be 100-100000 level; especially suitable for the workshop local purification level requirements of high areas, such as assembly line operation area, and high accuracy product assembly area. 4. The interior of the clean room adopts special purification lamps for the clean room, which will not produce dust. |
