packing distribution 填料 分布器.pdf

Packing and Distributor Technology Sulzer Chemtech Dan Summers | March 8, 2011 Sulzer Chemtech Packing and Distributors 2 Sulzer Chemtech Thin Sheet Metal Angled Corrugation Textured Perforated Layers are Segmented Rotated Varied Crimp Size (Surface Area) Packing and Distributors 3 Sulzer Chemtech Sheet Metal Typically 0.004” - 0.008” Larger Crimp Packings May Require More Thickness Essentially No Corrosion Allowance – Material Selection is Critical Gauze Packings Made From Woven Metal Cloth Usually for Very High Efficiency Applications Sheets Cut 8 - 12” tall Packing and Distributors 4 Sulzer Chemtech Packing and Distributors 5 Sulzer Chemtech Typically Textured Perforated Texturing Promotes Spreading of Liquid on Surface Perforation Allows Equalization of Flows and Pressures Between Sheets Lack of Texture and/or Perforation Reduces Efficiency Some Specialized Packings Do Have No Surface Treatment – Mellagrid - For Coking Resistance – SMV - For Extracti