Precautions for installation of color steel plate in clean room
Color steel plate construction steps:
1. The dust, dirt, alkali film and other objects on the base surface should be carefully cleaned before installation.
2. The process of decorating and installing the color steel partition wall is carried out according to the principle of "first down then up" in order to reduce repairs and protect the finished products.
3. Seal with the same color sealant at the joint of the wall.
4. Clean the surface after installing the wall.
Color plate quality requirements:
1. The wall panel should be installed vertically and the top panel should be installed horizontally.
2. The process seam is even and the sealant should be enriched.
3. There shall be no scratches on the surface of the siding.
Color steel plate construction requirements:
1. Familiar with the clean room drawings, carefully review the layout of the color steel plate, the node requirements, the relationship between the color steel plate and the building, the color, filler, basic size requirements of the color steel plate itself, the size and layout of the doors and windows in the color steel plate partition Types of auxiliary materials and other unknown contents.
2. Drawing of secondary row boards, which is an important step in prefabrication and installation of color steel plates. It is to convert the design drawings into the second processing in the factory, and convert the standard specification boards into different types of wall panels, and combine them to reflect The intermediate conversion diagram of the design intent, and the standard plate produced in the color steel plate factory, assembled at the construction site, that can ensure the firmness of the wall plate and accelerate the installation speed of the color steel plate.
3. When prefabricating in the clean room factory, according to experience, the gaps and installation margins are fully considered in the door holes, window holes and gaps. And in the entire transportation production, installation process, prevent scratches, heavy pressure and surface impact to prevent uncorrectable pits and scratches. The plastic protective films on both sides of the color steel plate are only allowed to be torn off after the installation is completed and thoroughly cleaned.
4. The pay-off before the installation of the clean room color steel plate should be carried out after the ground (floor) surface is completed, and other relevant conditions for installation such as larger equipment have been shipped in place, the underground pipeline has been adjusted and the technical interlayer The main installation work is basically completed before it can be carried out. The pay-off is to draw a horizontal projection (50mm wide) of color steel plates and the position of doors and windows on the ground. The centerline of the upper and lower mangers should be within 1.0% of the same vertical plane, that is, 3mm.
5. Install the upper and lower mangers. The lower mangers generally use aluminum alloy profiles with inner and outer R angles. Fix it with the nail on the line drawn by the ground. The position of the nail should be a straight line with a distance of 1.2-1.5m, and the corner and the terminal should be 0.2m away from the side. Ф2-3) Put it under the slot and form a waterproof isolation seal after the nail is fixed. The upper horse trough is made of pressed aluminum, when the hard ceiling is fixed with a nail gun on the top plate, when the soft ceiling is suspended with a boom, the height is subject to the net height of the ceiling.
6. The thin vertical wall panels are loaded into the prefabricated components according to the layout, and the adjacent wall panels are locked with fixed inserts between the components. It is worth paying special attention to the electrical concealed pipelines and boxes when assembling the wall panels. The siding should be vertical, the standing seam should be close, the smaller the gap, the more beautiful, the standing seam is even. During operation, carefully clean the protective film on the standing seam and temporarily lift it, and never remove it. Clean up the debris in the tank and the solidified hardened glue. Otherwise, it will be difficult to adjust the standing seam evenly and densely even with great force.
7. Install the ceiling plate of the clean room: the weight of the ceiling plate is supported by the vertical plates fixed in the periphery and the T-shaped aluminum suspended in the middle. The long side seam is fixed and reinforced by a fixed insert, and the short side is fixed by T-shaped aluminum and connecting plate core pulling rivets. The flat top is strived to be smooth, the board seam is dense and even, smooth, no traces, and no injuries. Pay attention to the same operation as the standing wall.
8. Color steel plate column, box, and Yin and Yang R angle
The columns in the purification zone are wrapped with б = 50 color steel plates, which is conducive to saving materials and the uniform Yin and Yang R angles are both 50. First install the stainless steel door and window frame at the opening of the door and window to fix it firmly, pay attention to the opening direction of the door, and install the window glass. The door closer should adjust the opening speed and power. Generally, when closing the door, the speed in the first half is fast, the torque in the second half is small, and the speed is slow, to reduce the impact and noise of the door.
9. Sealing silicone: In the purification zone, all the following gaps that may affect the cleanliness should be coated with sealing silicone: the joint between color steel plates, all the gaps between the R corner and the wall panel and the top panel; air conditioning duct , The gap between the tuyere, the high-efficiency filter and the wall top plate; the gap between the protective tube groove of the wall plate top wall and the edge of the opening; the gap between all the switch socket lamps and the color steel plate top plate surface; all processes, water supply and drainage, protection The gap between the tube and the hole; the gap between the glass and the frame; the sealing silicone should be basically installed on the color plate, and the hygienic conditions are good. After a thorough cleaning and dust removal, the clean room should be unified. Otherwise, the silicone joints are easily contaminated and blackened. Within 24 hours after the silicone is laid, there should not be a lot of dust work and the ground washed with water, etc., which may affect the curing and fastness of the sealed silicone.
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