|
Ceramic raschig ring is the first development of random packing. Its simple shape, its height and diameter are equal. Raschig rings large size (100mm or more) means the general rules by filling the entire puzzle, 90mm size raschig rings generally use the following method loading number.
Physical Properties
|
Item |
Value |
|
Water absorption |
<0.5% |
|
Apparent porosity (%) |
<1 |
|
Specific gravity |
2.3-2.35 |
|
Operation temp.(max) |
1000℃ |
|
Moh’s hardness |
>6.5 scale |
|
Acid resistance |
>99.6% |
|
Alkali resistance |
>85% |
Chemical Analysis
Al2O3
SiO2
Fe2O3
CaO
MgO
K2O + Na2O
Other
17-23%
>70%
<1.0%
<1%
<0.5%
<3.5%
<1%
Dimension and Other Physical Properties
Size
Surface area
Free volume
Number
Bulk density
Packing factor
6mm
712
62
3022935
1050
5249
12mm
367
64
377867
881
1903
15-16mm
305
73
192 500
750
900
19-20mm
243
72
109122
730
837
25mm
190
74
47675
700
508
38-40mm
121
73
13667
630
312
50mm
93
81
6000
600
220
80mm
46
80
1680 (random)
1960 (put in order)
590
690
280
100mm
70
70
1000
812
172
(mm)
(m2/m3)
(%)
per m3
(kg/m3)
( m-1)
