| Product Name: | Ceramic Cascade Mini Ring Tower Packing |
|---|---|
| Material: | Industrial Ceramic Alumina Silicate |
| Keywords: | Ceramic Cascade Mini Ring |
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Ceramic Cascade Mini Rings represent a revolutionary evolution in random tower packing, combining the structural integrity of rings with the efficiency of saddles. Engineered from high-purity alumina ceramics (≥75% Al2O3), these packings feature a unique stepped-cone geometry with internal cross-ribs that deliver unmatched mass transfer efficiency, ultra-low pressure drop, and exceptional resistance to thermal shock/corrosion. Ideal for:
*High-temperature acid gas scrubbing (H2SO4, HCl, HF)
*Sulfur recovery unit (SRU) tail gas treatment
*Molten salt heat transfer systems
*Regenerative thermal oxidizers (RTOs)
Key Design Innovations:
1.Stepped-Cone Profile: Breaks liquid films → enhances surface renewal (+22% vs. Pall Rings).
2.Internal Cross-Ribs (4-6): Create micro-turbulence zones → intensifies gas-liquid contact.
3.Asymmetric "Broken Tooth" Rim: Prevents nesting → ensures >98% random orientation.
4.Reinforced Base: Withstands >12 MPa crush loads (deep bed stability).
| Parameter | Specifications | Competitive Advantage |
|---|---|---|
| Material | 75-99% Al2O3 Ceramic | HF-resistant grades available |
| Standard Sizes | 16mm, 25mm, 38mm, 50mm, 75mm | DN25/DN38 for precision columns |
| Height/Diameter | 0.4-0.5 ratio | Low height → faster liquid drainage |
| Bulk Density | 690-760 kg/m³ (43-47 lb/ft³) | Optimized strength/void balance |
| Void Fraction | 80-88% | Highest among ceramic rings (+15% vs. Pall) |
| Surface Area | 200-450 m²/m³ (61-137 ft²/ft³) | DN25: 430 m²/m³; DN50: 210 m²/m³ |
| Packing Factor (Fp) | 90-300 m-¹ (27-91 ft-¹) | 40% lower ΔP vs. Raschig Rings |
| Crush Strength | 12-18 MPa (1740-2610 psi) | Deep bed (>20m) capable |
| Max. Temperature | 1120°C (2050°F) continuous | Thermal shock resistance: ΔT>600°C |
| Acid Resistance | <0.02% wt. loss (50% H2SO4, 120°C, 168h) | ASTM C279 verified |
*Sulfuric Acid Drying Towers: Replaces SiC packing at 50% cost (180°C, 93% H2SO4)
*HF Alkylation Units: Zero degradation in HF regenerators
*CO2 Capture (MEA/MDEA): 25% lower reboiler duty vs. structured packing
*Cooling Towers: Resists wet Cl2 corrosion at 0.3 MPa
*Biomass Gasification: Tar cracking at 850°C reducing atmosphere
1.Size Selection:
High Efficiency: DN16/DN25 (columns <1.2m dia.)
Balanced Performance: DN38 (1.5-3m dia.)
High Capacity: DN50/DN75 (>3m dia.)
2.Material Grade:
Standard: 75% Al2O3 (<100°C acids)
Premium: 99% Al2O3 (HF/hot H3PO4)
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