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Plastic Raschig Rings

Raschig Ring

Raschig Ring

Raschig ring (RING -R) is used for filling work volume of packed columns and devices. It is aimed at increasing intensity of heat exchange and mass-transfer processes in chemical, petrochemical, oil-refining equipment, etc. R-Ring is also to be used in sewage and water supply systems, in ammonia and mineral fertilizers production. Raschig rings refer to random packing. Their surface is 30% larger than that of cylinders and balls. R-Rings can be made of carbon steel, stainless steel, polypropylene, PVC, PVDF, ceramics, etc. Acid-resistant ceramic packing material is used for filling packed columns of other mass transfer equipment which works at the temperature not higher than 120 Celsius degree in acid environment.

    Application Range:
  • ethylene extraction columns;
  • mass-tranfer columns separation devices;
  • carbon dioxide and hydrogen sulphide absorbers and flash tower;
  • liquid extractors;
  • carbon monoxide converters;
  • dimethyl terephthalate running column;
  • NH3 extraction devices;
  • petrochemical and medical equipment.
Table 1: The Technical Parameter of Plastic Raschig Ring
Size
(mm)
Surface Area
(m2/m3)
VoidageBulk Number
(n/m3)
Bulk Density
(kg/m3)
Dry Packing Factor
(m-1)
16 260 91% 171000 94 490
25 205 90% 50000 112 400
38 130 89% 19000 70 305
50 93 90% 6500 68 177
76 90 95% 1820 66 130
Table 2: The Technical Parameter of Plastic Raschig Ring PTFE
Size
(mm)
Surface Area
(m2/m3)
Voidage
%
Number
(n/m3)
Bulk Density 304
(kg/m3)
20 267 92.8 110000 522
25 219 93.4 56000 423
38 165 94.6 14000 368
50 113.5 94.9 6500 390
65 84 94.8 4600 480
76 73 92 1850 328
Table 3: The Technical Parameter of Plastic Super Raschig Ring
Size
(")
Surface Area
(m2/m3)
Voidage
%
Number
(n/m3)
Bulk Density 304
(kg/m3)
0.6 200 93 54000 62
2 100 93 9300 55
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