With the continuous development of China's economy, the construction quality of fabric duct ventilation duct projects in high-rise buildings has also received increasing attention. However, the current ventilation engineering construction technology is constantly improving, and the ventilation system has higher and higher requirements for the production and installation of air ducts, but there are still problems affecting the construction quality. Then the fabric air duct ventilation duct manufacturer introduces the installation method of the fabric air duct ventilation duct. 1. The installation of the air supply and exhaust system and the air conditioning system should be carried out under the condition of structural maintenance. The construction is completed, the installation place is blocked, the ground is clean, the ground is free of dust, and no other pipes pass through the fabric air duct ventilation pipe. Check the reserved holes on the construction site, whether the size meets the requirements of the drawings, and whether there is leakage. The indwelling aperture should be larger than the actual duct section on each side of 100mm. 2. After derusting, set the standard height, install the air duct, hanger, and anti-rust paint. The hanging point of the air duct hanger generally adopts embedded iron, bracket, secondary grouting of hanger, expansion bolt method, etc. Through the analysis of the centerline of the ventilation duct of the fabric air duct, the installation position of the suspension device is determined, and the single hanger is located on the centerline of the air duct. Install the double boom symmetrically according to the duct centerline or the screw hole spacing of the tray. When installing, the top of the pipe should be fixed first, then the wire hammer should be placed on the center line and fixed with a clamp. When the air duct is long, a row of brackets can be installed first. Then, the two ends of the support are used as the benchmark to determine the elevation of the middle support by the method of drawing. 3. The elevation of the bracket and hanger should be correct. For example, the diameter of the round pipe should be changed from large to small, to ensure that the center line of the air duct is horizontal, and the surface elevation of the steel bracket should be improved. The elevation of the air duct bracket required by the slope should also be installed on the air duct slope. . Support points, boom bolts should not be buried or embedded in paint, and oil should be removed. Supports and hangers cannot be installed in vent holes, valves, maintenance holes, etc. Suspension devices must not be lifted directly from the flange. 4. The thickness of the liner of the insulation pipe should be the same as the thickness of the insulation layer. The right-angle insulation duct support should be placed outside the insulation layer, but the insulation layer should not be damaged. The right-angle thermal insulation duct cannot directly contact the bracket and hanger, and the solid thermal insulation material with the same thickness as the thermal insulation layer should be tightly padded to prevent 'cold bridge'. 5. Ensure that the sealing flange interface between flanges should be the same as that of ordinary air conditioning system and exhaust system with flange gasket 8501 flange gasket sealing tape, and asbestos material plate for exhaust system; flange gasket material should not be squeezed In or protruding, flange gasket gaskets should minimize joints, joints should be trapezoidal or tenon connection, flange gaskets should not be pressed in or protruding, flange gaskets should minimize joints, joints should be trapezoidal or tenon connection, method It is strictly forbidden to pack the gasket flange gap for flange connection. 6. When the flange is connected, according to the design requirements of the flange, put a few bolts on it first, and then proceed with the nuts. Don't tighten it for a while, then rush up and tap into the worn bolts and screws. The two screw levers are until all the Put all the bolts on, and then tighten the bolts. To prevent the bolts from slipping, the tightening bolts should be gradually tightened with cross-connections. The nuts connecting the flanges should be on the same side. The joint should be based on the flanges at both ends, and check whether the duct connection is smooth. 7. Fabric air duct Ventilation duct connection is mainly used to connect air ducts and components (for example: diffusers and plenum air outlets). Both ends of the hose are installed outside the connecting pipe, and the hose is equipped with a special soft clamp. Fabric air ducts are installed on the construction site, which can be connected to a certain length of ground, and then hoisted.
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