Since 1914 when F.Raschig invented this type of ring for tower packing, random tower pickings have been developed extensively. The R-ring is now used in many applications, but particularly in supporting catalyst beds.
Metal Raschig Rings are available in a wide range of carbon and stainless steels, 304, 304L, 410,316, 316L etc..
Geometric Parameters
|
Size
(mm)
|
Bulk density
(kg/m3)
|
Number
per m3
|
Surface area
(m2/m3)
|
Free volume
(%)
|
|
15×15×0.3
|
379
|
230000
|
350
|
95
|
|
25×25×0.4
|
318
|
51000
|
216
|
96
|
|
25×25×0.5
|
400
|
51000
|
220
|
95
|
|
35×35×0.8
|
430
|
19000
|
150
|
93
|
|
50×50×0.5
|
203
|
6500
|
106
|
97.4
|
|
50×50×0.7
|
285
|
6500
|
108
|
96.4
|
|
50×50×0.8
|
325
|
7000
|
109
|
95
|
|
76×76×0.8
|
212
|
1830
|
69
|
97.3
|
|
80×80×1.2
|
300
|
1600
|
65
|
96
|
|
90×90×1.0
|
236
|
1160
|
62
|
95
|
Ceramic Raschig Ring has excellent acid resistance and heat resistance. It can resist to corrosion of various inorganic acids, organic acids and organic solvents except hydrofluoric acid, and can be used in high or low temperature conditions. Consequently the application range is very wide. The packing can be used in the drying columns, absorbing columns, cooling towers, scrubbing towers and actifier columns in chemical industry, metallurgy industry, coal gas industry, oxygen producing industry, etc.
Geometric Parameters
|
Sizes
(mm)
|
Thickness
(mm)
|
Surface area
(m2/m3)
|
Free volume
(%)
|
Number
per m3
|
Bulk density
(kg/m3)
|
Packing factor
( m-1)
|
|
6 × 6
|
1.6
|
712
|
62
|
3022935
|
961
|
5249
|
|
12.5 ×12.5
|
2.4
|
367
|
64
|
377867
|
881
|
1903
|
|
16×16
|
2
|
305
|
73
|
192 500
|
730
|
900
|
|
19×19
|
2.4
|
243
|
72
|
109122
|
801
|
837
|
|
25×25
|
3.2
|
190
|
74
|
47675
|
673
|
508
|
|
38×38
|
4.8
|
121
|
73
|
13667
|
689
|
312
|
|
40×40
|
4.5
|
126
|
75
|
127000
|
577
|
350
|
|
50×50
|
4.5
|
93
|
81
|
6 000
|
457
|
220
|
|
50×50
|
6.4
|
92
|
74
|
5792
|
657
|
213
|
|
80×80
|
9.5
|
46
|
80
|
1910
|
714
|
280
|
|
100×100
|
10
|
70
|
70
|
1000
|
700
|
|
Plastic Raschig ring are in thin wall, low resistance, high void and capacity. They are light, reusable, easy to load and unload result in low operation cost. They are suit for washing, dusting and absorption at low temperature.
Geometric Parameters
|
product
|
size
|
D*H*T（mm）
|
Surface area
m2/m3
|
No.elements per/m3
|
|
Plastic rasching ring
|
Φ25
|
25*25*1.0
|
88
|
48500
|
|
Φ50
|
50*50*1.5
|
65
|
6500
|
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