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25mm 50mm 76mm Plastic Polyhedrale Holle Bal CPVC Rpp PP PVC PE

Plastic polyhedral hollow balls, also known as multi-aspect hollow balls, are efficient random packing materials made of two interlocking hemispheres with staggered semi-fan-shaped blades. This structure provides a large surface area, high void ratio, and excellent hydrophilicity. They are lightweight, easy to install, and enhance mass transfer efficiency, making them ideal for use in water treatment, sewage treatment, CO₂ removal in power plants, and purified water towers.

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Plastic Polyhedral Hollow Balls are highly efficient random packing materials widely used in chemical engineering, environmental protection, and water treatment. Each ball consists of two hemispheres, each embedded with several semi-fan-shaped blades. Once assembled, the structure provides excellent gas-liquid contact and enhances mass transfer efficiency.

Material & Performance

  • Materials: Common materials include PP (Polypropylene), PE (Polyethylene), RPP (Reinforced PP), PVC, CPVC, and PVDF.
  • Density: Typically 0.89–0.91 g/cm³ for PP.
  • Max Operating Temperature: Up to 100 °C (PP), over 150 °C (PVDF).
  • Compressive Strength: Generally above 6 MPa; up to 10 MPa for reinforced plastics.
  • Chemical Resistance: Excellent resistance to strong acids, alkalis, and organic solvents.

Specificaties

Diameter
(mm)		 Oppervlakte
(m²/m³)		 Void Ratio
(%)		 Pieces per
m³		 Bulkdichtheid
(kg/m³)		 Factor droge verpakking
(m⁻¹)
25 460 ~90% ~64,000 64–70 776
38 325 ~91% ~25,000 72.5–75 494
50 237 ~91% ~11,500 52–80.5 324
76 214 ~92% ~3,000 75–90 193
100 330 ~92% ~1,500 50–56 155

Key Advantages

  • High Mass Transfer Efficiency: Large surface area and even distribution promote better gas-liquid interaction.
  • Low Pressure Drop: Hollow structure enables smooth flow with minimal resistance.
  • Lightweight & High Void Ratio: Reduces load on equipment and increases system capacity.
  • Corrosion & Heat Resistant: Suitable for harsh chemical environments and high-temperature operations.
  • Easy Maintenance: Simple shape allows for easy cleaning and replacement.

Application Fields

  • Wastewater treatment (e.g., sludge removal, oil-water separation)
  • Desulfurization towers, absorption towers, and biological filters in power plants
  • Water purification and exhaust gas treatment systems
  • Petrochemical distillation, extraction, and CO₂ removal processes

Usage Recommendations

  • Size Selection: Choose based on tower diameter, gas-liquid flow rate, and efficiency requirements.
  • Material Selection: Select PP, PVDF, or others based on temperature and chemical compatibility.
  • Installation & Maintenance: Ensure uniform filling; periodic cleaning extends lifespan and improves efficiency.

Conclusie

Plastic Polyhedral Hollow Balls are ideal for various separation and purification processes due to their outstanding mass transfer performance, chemical resistance, and economic installation. They are a preferred solution in modern environmental and industrial engineering.

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