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Sponge iron
Description:
Direct-reduced iron (DRI), also called sponge iron, is produced from direct of
(in the form of lumps, pellets or fines) by a reducing gas produced from or coal. The
reducing gas is a mixture majority of (H2) and (CO) which acts as reducing agent.
This process of directly reducing the in solid form by reducing gases is called direct
reduction.
The conventional route for making consists of or plants, and . Such plants
require high and raw materials of stringent specifications. is needed to make a strong
enough to support the burden in the blast furnace. Integrated steel plants of less than
one million tons annual capacity are generally not economically viable. The coke ovens
and sintering plants in an integrated steel plant are polluting and expensive units.
Specification:
Sponge Iron is mainly used as a raw material for speciality steel as well as
substitute for scrap. Made from iron ore, sponge iron in itself is not used. It is further
processed to make wrought iron. The rise in price of scrap and other factors have led
to the increase in the use of sponge iron for making high quality steel.
The quality of sponge iron is primarily ascertained by the percentage of
metallization (removal of oxygen), which is the ratio of metallic iron to the total iron
present in the product. Sponge iron manufacture is highly sensitive to raw material
characteristics.
Therefore, it is essential to examine the chemical and physical characteristics
of raw materials, both individually and in combination.The sponge iron is a key raw
material for the manufacture of steel. The appropriate percentage of metallization
(removal of oxygen) ensures the high quality of the sponge iron. The percentage
of metallization is the ratio of metallic iron to the total iron present in the product.
Features and specifications:
Item | Test Data | Item | Test Data |
Activated iron | 98% | Bulky density | 1.7g/cm3 |
Hardness | 5-7 | Non-uniformity Factor | K80≤1.8 |
Porosity rate | 30-50% | Ash | <0.5 |
Other metal content | Within national standard |
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Granularity range | 1.0-5.0 mm |
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Product Pictures:
Product Categories : Filter Media For Water Treatment > Spong Iron
