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Refractory Material for Coal-Water for Gasifiers
Counter 221   Addtime:2006-07-05 18:15:26
Brand name
Item
Chrome-Zirconia bricks
Chrome corundum bricks
Corundum heat-insulating refractory bricks
XDCZ-90
XDCZ-60
XDCA-12
XDAK-98
Cr2O3 ≥%
87
62
12
ZrO2≥%
4-5
Al2O3 ≥%
30
88
98.5
SiO2 ≤%
0.7
Fe2O3 ≤%
0.3
0.3
0.3
0.3
Bulk density ≥g/cm3
4.2
3.7
3.25
1.4
Apparent porosity
16
16
17-19
Cold crushing strength≥MPa
120
120
120
10
0.2MPa Refractoriness under load ≥℃
1700
1700
1700
1700
Thermal expansion 10-6K-1≤%
6.8
7.5
8.3
Linear change after heating ≤%
-0.3
Thermal ConductivityY≤W/m.k
400℃
 
1.25
800℃
1.4
1000℃
2.4
2.9
4.4
1.3
Application
High Deterioration(Bottom Side Wall and Taper)
Furnace insolution line

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