Ceramic Pall Rings are a type of high-performance packing material widely used in industrial columns, such as those for distillation, absorption, stripping, and scrubbing towers, to enhance mass transfer between gas and liquid phases. They represent an evolution from the earlier Raschig Ring design, featuring a more open structure and internal cross-supports to improve efficiency.
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The open architecture and internal reinforcements yield an increased effective surface area, reaching up to 200 m²/m³, which surpasses that of Raschig Rings, thereby enhancing mass transfer.
Reduced resistance to fluid flow lowers energy consumption in pumps or compressors.
The design optimizes for the reduction of channeling, ensuring a uniform distribution of liquid.
Ceramic materials exhibit a high degree of resistance to degradation, thereby prolonging their operational lifespan under severe environmental conditions.
|
Sizes (mm) |
Thickness (mm) |
Surface area (m2/m3) |
Free volume (%) |
Number per m3 |
Bulk density (kg/m3) |
|
25 |
3 |
210 |
73 |
53500 |
700 |
|
38 |
4 |
180 |
75 |
15000 |
650 |
|
50 |
5 |
130 |
78 |
6800 |
600 |
|
80 |
8 |
110 |
81 |
1950 |
550 |
| Other size also can be provided by custom made! | |||||
Chemical Resistance: Demonstrates a high degree of inertness to the majority of acids (with the notable exception of hydrofluoric acid), alkalis, and organic solvents, rendering them exceptionally suitable for deployment in corrosive environments.
Thermal Stability: Capable of withstanding temperatures up to 1000°C (1832°F) without undergoing deformation, thus proving appropriate for high-temperature processing applications.
Mechanical Strength: Possesses significant resistance to crushing and demonstrates resilience under pressure, typically within the range of 0.2–0.6 MPa.
Low Thermal Conductivity: Effectively reduces heat transfer to the column structure.
The 25mm ceramic Pall ring packing, with its outstanding corrosion resistance, thermal stability and mass transfer efficiency, has become the benchmark product for random packing under harsh working conditions.
Application
Chemical industry: Absorption towers in sulfuric acid/hydrochloric acid production, desulfurization towers in fertilizer plants
Environmental protection projects: Flue gas desulfurization (FGD), waste gas scrubber
Petroleum refining and chemical industry: gas refining, solvent recovery tower
Metallurgical industry: High-temperature gas purification, acid mist treatment
