Technical data

CHAP-03 BRIEF SYSTEM DESCRIPTION Page 13 of 20
1. Lime Stone (received from Koteswar)
Max Min - %
+ 75 mm - 2.0%
- 75 mm to + 60 mm 15.0%
- 60 mm to + 50 mm - 16.6%
- 50 mm to + 30 mm - 40.2%
- 30 mm to + 25 mm - 9.2%
- 25 mm - 17.0%
Moisture- 15%
2. Raw Dolomite
Max Min - %
+ 60 mm - 1.3%
- 60 mm to + 50 mm - 7.3%
- 50 mm to + 20 mm - 44.9%
- 20 mm to + 10 mm - 16.7%
- 10 mm to + 6 mm - 14.3%
- 6 mm - 15.5%
Moisture- 15%
3. Coke Breeze
Max Min - %
+ 25 mm - 4.3%
- 25 mm to + 15 mm - 12%
- 15 mm to + 10 mm - 11.5%
- 10 mm to + 5 mm - 15.3%
- 5 mm to + 3 mm - 16.5%
- 3 mm - 40.4%
Moisture- 10% (normally), 15% (in rainy season)
Tentative size distributions of raw material (sizes as required in this CS)
are shown in Table: 05.01 below. Further, the product/ output of crushed
fuel & flux shall be in accordance with the sizes is also given below:
Table: 05.01
Sl no Material Size Distribution (mm) Percentage
1 Iron ore fines - 8 mm +8mm (5% max.)
2 Lime stone/
Dolomite (Crushed)
- 5mm
- 3 mm
- 1 mm
100%
95% (Minimum)
70%(Minimum)
3 Coke breeze (Crushed) - 5mm
-3 mm
-1.0mm
-0.5mm
100%
90% or above
Not to exceed 50%
Not to exceed 30%
4 Mill scale - 8 mm +8mm (5% max.)