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Construction requirements for 100,000-level dust-free workshops


Construction requirements for 100,000-level dust-free workshops

The construction layout of the clean workshop of the 100,000-level dust-free workshop is generally provided with a ring-shaped sealed corridor outside the workshop. It gives the clean zone a buffer zone with the outside world. It can prevent external pollution and is relatively energy efficient. Doors and windows in the factory building should be flat on the inner wall surface without window sills. The number of layers and the structural form of the outer window must fully consider the sealing of air moisture, so that pollution particles cannot easily penetrate from the outside.


To prevent condensation from occurring due to the temperature difference between the inside and outside of the 100,000-level dust-free workshop, the gaps between doors and windows between rooms with different cleanliness should be sealed. Door and window materials should be selected with good weather resistance, small natural deformation, small manufacturing error, good air tightness, simple modeling, not easy to accumulate dust, easy to clean, and no threshold for door frames. The doors and windows of clean workshops should be made of metal or metal-coated plastic materials. Wooden doors and windows should not be used to avoid long-term exposure to moisture and bacteria. The windows on the outer wall should be flat with the inner wall surface, the windowsill is beveled or no windowsill is left, and it is a double-layer fixed window to reduce energy loss.

The floor of the 100,000-level dust-free workshop should be flat, seamless, wear-resistant and corrosion-resistant. It is not easy to collect static electricity, and it is easy to clean the overall floor. In the design of a class 100,000 dust-free workshop, a spot-water millstone floor can be used, and the diameter of the stones used should be between 6-15mm. Among them, the copper strips must be used for the separation bar, and glass bars must not be used. Currently, epoxy self-leveling floor is used, which is a resin composite floor. Its characteristics are solvent-free, non-toxic, tasteless, no seams, and self-leveling. Yes, it can achieve the effect of mirror decoration, seamless connection, oil resistance and chemical solvents of acid, alkali and salt. It has the characteristics of anti-static, small dust generation, abrasion resistance and impact resistance, but the cost is high. Most of them are used on the floor of production workshops in electronics, medicine, blood products and other industries that require high cleanliness, beautiful appearance, dust-free and sterile. Epoxy self-leveling floor has a service life of more than 1mm and can generally be used for more than 6 years. A moisture-proof layer should be laid under the above ground floor cushion, and the concrete depot line should not pass through the clean area.

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