Metallurgical coke is a general term for coke used in blast furnace, foundry, iron alloy and non-ferrous metal smelting. Under the condition of air isolated , bituminous coal is heated to 950-1050 C, and the coke is finally made by drying, pyrolysis, melting, bonding, curing, shrinkage and so on. This process is called high temperature coking. Because more than 90% of the metallurgical coke is used for blast furnace ironmaking, blast furnace coke is often called metallurgical coke.
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Description
Metallurgical coke is a general term for coke used in blast furnace, foundry, iron alloy and non-ferrous metal smelting. Under the condition of air isolated , bituminous coal is heated to 950-1050 C, and the coke is finally made by drying, pyrolysis, melting, bonding, curing, shrinkage and so on. This process is called high temperature coking. Because more than 90% of the metallurgical coke is used for blast furnace ironmaking, blast furnace coke is often called metallurgical coke.
Specification
The main reference standard for metallurgical coke:
Metallurgical Coke | Fixed Carbon (%) | Calorific Value(cal/kg) | Ash Content (%) | Moisture (%) | Sulfur Content (%) |
Grade A | 86 | 7300 | ＜12 | 5 | ＜0.6 |
Grade B | 84.5 - 85 | 7000 | ＜13.5 | 6 | ＜0.7 |
Grade C | 83 - 84.5 | 6500 | ＜15 | 6 | ＜1 |
