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1. Introduction:
The Plastic Conjugate Ring is made from heat resistant and chemical corrosion resistant plastics, including polyethylene (PE), polypropylene (PP), reinforced polypropylene (RPP), polyvinyl chloride (PVC), chlorinated polyvinyl chloride (CPVC) and polyvinylidene fluoride (PVDF). It has features such as large void space, low pressure drop, low mass-transfer unit height, high flooding point, uniform gas-liquid contact, small specific gravity, high mass transfer efficiency and so on, and the application temperature in media ranges from 60to 150. For these reasons it is widely used in the packing towers in petroleum industry, chemical industry, alkali-Chloride industry, coal gas industry and environmental protection, etc.
2. Features: Owing to conjugate curve rib structure and appropriate length, there are point contact and aren’t intussusceptive between packing and tower packing. It has better hydrodynamics and mass transfer performance.
3. Application: Distillation, Gas absorption, Deabsorption system
4. Technical data of the Plastic Conjugate Ring
| Type | Diameter*Height*Thickness (mm) | Number per m³ | Bulk density (kg/m³) | Surface area (m²/m³) | Void space m3/m3 | Packing factor (m-1) |
| 25(Ⅰ) | 25×25×1.2 | 7400 | 96 | 243 | 0.95 | 216 |
| 38(Ⅰ) | 40×34×1.5 | 16321 | 69 | 185 | 0.93 | 162 |
| 38(Ⅱ) | 37×37×1.5 | 16321 | 80 | 194 | 0.93 | 188 |
| 50(Ⅰ) | 50×40×1.4 | 9200 | 84 | 137 | 0.86 | 164 |
| 76(Ⅰ) | 76Ⅰ76Ⅰ2.6 | 3980 | 89 | 108 | 0.95 | 102 |
Physical & Chemical properties of plastic tower packing
Performance / Material | PE | PP | RPP | PVC | CPVC | PVDF |
Density (kg/m3) | 0.94-0.96 | 0.89-0.91 | 0.93-0.94 | 1.32-1.44 | 1.50-1.54 | 1.75-1.78 |
Operation Temp.(Degree C) | 90 | >100 | >120 | >60 | >90 | >150 |
Chemical corrosion resistance | Good | Good | Good | Good | Good | Good |
Compression Strength(Mpa) | >6.0 | >6.5 | >7.0 | >6.0 | >8.0 | >10.0 |
Plastic Conjugate Ring