Conjugate Rings，Double Saddle Rings
A brief introduction to random packing materials such as conjugate rings and double saddle rings.
Conjugate Rings, Double Saddle Rings
In addition to classic packing materials such as Raschig rings, Pall rings, rectangular saddle rings, and stepped rings, new packing materials such as conjugate rings and double saddle rings have undergone structural optimization for specific operating conditions.
Conjugate Rings
Features | Description |
Shape | Spiral curved surface, asymmetrical structure |
Material | Primarily metal |
Design Concept: The helical curved surface induces rotational motion between gas and liquid, enhancing interfacial renewal; the asymmetric structure allows for non-directional packing, reducing wall flow.
Performance: Pressure drop is 20%-30% lower than Pall rings, suitable for easily foaming systems.
Applications: Vacuum distillation, easily foaming systems, absorption towers.
Double Saddle Ring
Features | Description |
Shape | Two saddle-shaped curved surfaces combined (back to back) |
Material | Metal, Plastic |
Design Concept: The double-arc surface ensures that the arc surface always faces upwards to capture liquid regardless of stacking, eliminating directional stacking problems.
Performance: Mass transfer efficiency is 10%-15% higher than that of rectangular saddle rings, and pressure drop is 15%-20% lower than that of Pall rings.
Applications: Large-diameter towers, distillation, absorption, extraction.
Performance Comparison
Packing Material | Pressure Drop | Mass Transfer Efficiency | Porosity | Cost |
Pall Rings | Medium | High | 85%-95% | Low |
Rectangular Saddle Rings | Lower | Higher | 85%-95% | Medium |
Stepped Rings | Low | High | 90%-95% | Medium |
Conjugate Rings | Very Low | High | 90%-95% | Medium |
Double Saddle Rings | Low | Very High | 85%-90% | Higher |
Selection Recommendations
Scenarios | Recommendation |
Pressure drop as the primary limitation | Conjugate rings |
Mass transfer efficiency as the primary goal | Double saddle rings, stepped rings |
Easily foaming systems | Conjugate rings |
Large-diameter towers | Double saddle rings |
Summary
Conjugate rings achieve low pressure drop and anti-foaming properties with their helical curved surfaces, while double saddle rings enhance distribution and efficiency with their symmetrical double-arc surfaces. Selection should be based on the specific operating conditions, choosing packings optimized for the chosen application. We are a Chinese supplier of metal packings. For more information, please contact us via email at annayu@169chem.net or WhatsApp at +8618909016373.