.jpg)
metal packing, a critical tower internal, is essential for gas-liquid separation in distillation, absorption, and extraction towers. Its working principle centers on optimizing fluid dynamics and mass transfer efficiency. Common types include ring, saddle, mesh, and metal pall rings, each with distinct geometries to enhance performance. Structurally, metal packing features high specific surface area and tortuous flow paths, ensuring uniform liquid distribution and maximizing gas-liquid contact. During operation, liquid flows downward, forming a thin wetting film across the packing surface, while gas ascends through the interconnected voids. The large surface area promotes rapid mass transfer, allowing components to separate based on equilibrium partitioning. Its mechanical strength and corrosion resistance make it suitable for harsh conditions, outperforming other packings in high-temperature or aggressive environments. Understanding this principle helps select the right packing for optimal separation efficiency in industrial towers.
