Iron Runner 1450 degree Refractory Castable Material For Blast Furnace
Iron Runner Castable
Description
The iron runner castable that developed by CH Refractories is low cement Al2O3-SiC-C ramming mass, and self-flowing refractory castable, which divided three levels to meet different sizes of blast furnace iron runner and achieved very good performance.
Applications of Iron Runner Castable:
Different size blast furnace iron runner
Advantages of Iron Runner Castable:
High strength at high temperature
Good thermal shock stability
No cracking with fast baking
Not stick to slag
Long service life and easy to construct
Easy to patch
|
Item |
CH-TG1 |
CH-TG2 |
CH-TG3 |
CH-TG4 |
CH-TG5 |
CH-TG6 |
CH-TG7 |
CH-TG8 |
CH-TG9 |
|
|
Chemical composition/ |
AL2O3 |
78 |
58 |
71 |
65 |
76 |
77 |
74 |
65 |
70 |
|
SiC+C≥ |
10 |
30 |
13 |
18 |
14 |
15 |
10 |
18 |
9 |
|
|
Bulk density g/cm3 |
110℃×24h |
3.00 |
2.93 |
2.77 |
2.64 |
3.00 |
2.96 |
2.86 |
2.80 |
2.70 |
|
1450℃×3h |
2.95 |
2.85 |
2.56 |
2.54 |
2.95 |
2.95 |
2.85 |
2.76 |
2.68 |
|
|
Flexural strength/MPa ≥ |
110℃×24h |
8 |
9 |
7 |
7 |
4 |
7 |
3 |
7 |
7 |
|
1000℃×3h |
7 |
7 |
8 |
7 |
6 |
8 |
5 |
7 |
6 |
|
|
1450℃×3h |
7 |
7 |
13 |
9 |
12 |
13 |
9 |
7 |
7 |
|
|
Compressive strength/MPa |
110℃×24h |
44 |
41 |
29 |
27 |
32 |
41 |
15 |
33 |
30 |
|
1450℃×3h |
45 |
53 |
41 |
39 |
76 |
83 |
76 |
46 |
43 |
|
|
Permanent Linear Change(1450℃×3h) |
0.10 |
0.03 |
0.32 |
0.25 |
0.10 |
0.10 |
0.10 |
0.20 |
0.20 |
|
|
Casting water requirement /% |
4.5 |
5.0 |
5.5 |
6.0 |
4.5 |
4.5 |
5.0 |
5.0 |
5.2 |
|
|
Application |
Blast furnace(≥2000m3) |
Blast furnace(1000-2000m3) |
Blast furnace(＜1000m3) |
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|
Iron line for main runner |
Slag line of main runner |
iron runner Branch runner |
Slag runner of Branch runner |
Main runner |
Swing spout |
Branch runner |
Slag line |
Main runner |
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