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Plastic Polyhedral Hollow Ball – High Temperature and Chemical Resistance

A 360° overview of plastic polyhedral hollow ring on the blue background.
PPHB-01: 360° shows of plastic polyhedral hollow ring for comprehensive understanding.

Plastic polyhedral hollow ball, also called multi-aspect hollow ball or polyhedral hollow ball packing, is a new type of high efficient random packing. It is made from heat resistant and chemical stable plastic material, such as PP, PE, PVC, CPVC and RPP. It is composed of two hemispheres to form a whole ball shape. Each hemisphere surface has several half fan-shape leaves, the upper and lower leaves are staggered arranged.

This design make the polyhedral hollow ball lighter weight, small wind and flowing resistance and good hydrophilic surface.

It is widely used in the sewage treatment, vacuum distillation and desulfuration of CO2 in power plant and other applications.

Specifications of plastic polyhedral hollow ball

  • Material: PP, PE, PVC, CPVC, RPP and so on.
  • Suitable temperature: 60 °C to 150 °C.
Table 1: Common Specification of Plastic Polyhedral Hollow Ball
Item Size
(mm)		 Surface Area
(m2/m3)		 Voidage Bulk Number
(n/m3)		 Bulk Density
(kg/m3)		 Dry Packing Factor
(m-1)
PPHT-01 25 460 90% 64000 64 776
PPHT-02 38 325 91% 25000 72.5 494
PPHT-03 50 237 91% 11500 52 324
PPHT-04 76 214 92% 3000 75 193
PPHT-05 100 330 92% 1500 56 155

Features of plastic polyhedral hollow ball

  • High voidage.
  • Low pressure drop.
  • Large flux.
  • Low mass-transfer unit height.
  • Uniform distribution of gas and liquid.
  • High mass transfer performance.
  • Lighter weight.
  • Small wind and flowing resistance.
  • Good hydrophilic surface
A top view of plastic polyhedral hollow ball on the blue background.
PPHB-02: Top view of plastic polyhedral hollow ball.
A bottom view of plastic polyhedral hollow ball on the blue background.
PPHB-03: Bottom view of plastic polyhedral hollow ball.
A plastic polyhedral hollow ball on the blue background.
PPHB-04: Plastic polyhedral hollow is composed of two hemispheres.
A plastic polyhedral hollow ball is reclining and we can see the fan-shape leaves clearly.
PPHB-05: Plastic polyhedral hollow ball has several half fan-shape leaves.

Applications of plastic polyhedral hollow ball

  • Sewage treatment.
  • Desulfuration of CO2 in power plant.
  • Desulfuration and water purification tower packing.
  • Crude oil distillation.
  • Vacuum distillation.
  • Extraction distillation
  • Olefin separation.
  • Isomer separation.

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Boegger Industech Limited
E-mail: summer@randompacking.org

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