structured packing plays a crucial role in large - capacity towers, directly affecting separation efficiency and operational stability. To ensure optimal performance, several key installation requirements must be strictly followed. First, pre - installation checks are vital. The tower foundation needs to be level with a tolerance of ±1mm/m to prevent uneven packing and fluid distribution. tower internals, such as liquid distributors and gas disengagement devices, should be pre - installed and calibrated to avoid misalignment with the packing. Next, packing handling requires care. Structured packing modules must be stored horizontally to prevent deformation, and inspected for damage before installation. When placing modules, ensure they are stacked vertically with minimal gaps (≤2mm) to maintain the packing’s geometric structure. Leveling tools, like precision levels, should be used to check each layer’s flatness, as misalignment can cause channeling. For large - scale towers, mechanical fixing is necessary to prevent packing movement under fluid flow. Clamping systems, installed at intervals of 1 - 2 meters, should be tightened evenly to avoid damaging the packing. Additionally, tower internal components, such as support grids and packing clips, must be securely fastened to withstand operational vibrations. Quality control throughout installation is essential. After packing, perform a leak - test on the tower shell and internal connections to prevent fluid leakage. A grid inspection should also be conducted to ensure all packing layers are fully seated and the packing height meets design specifications. By adhering to these requirements, structured packing in large - capacity towers can achieve efficient separation and long - term reliable operation.
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