TECHNICAL SPECIFICATION
· MATERIAL NAME : CRUSHED REFRACTORY BED MATERIAL :AFBC BOILERS
· CHEMICAL & PHYSICAL COMPOSITION :
The Crushed Refractory Bed Material shall confirm to the following specification
1. CHEMICAL COMPOSITION :
|
SL.NO |
PARMETERS |
COMPOSITION |
|
1 |
SIO2 |
55 – 60 |
|
2 |
Al2O3 |
35 - 40 |
|
3 |
Fe2O3 |
< 1.5 |
|
4 |
TiO2 |
1.5 to 1.8 |
|
5 |
Mno |
TRACES |
|
6 |
Cao |
0.45 to 0.60 |
|
7 |
Mgo |
0.23 Max |
|
8 |
P2O5 |
0.08 Max |
|
9 |
Na2O |
0.22 Max |
|
10 |
K2O |
0.45 Max |
|
11 |
Bulk Density |
1050-1100 Kg / m3 |
|
12 |
LOI |
< 2 |
|
13 |
MAG |
< 1 |
· Size distribution : 100 % ----------------- > 0.84 mm to 2.36mm
· Fusion Temp : > 1400 Deg C (Min)
· Shape : Preferably sub angular / spherical.
2. CRUSHED REFRACTORY SIZE:
|
SL. NO. |
MESH SIZE (MICRONS) |
PERCENTAGE Passing through |
|
1 |
2360 |
100 |
|
2 |
2000 |
90 – 95 |
|
3 |
1190 |
60 – 70 |
|
4 |
840 |
50 – 60 |
