hot briquetted iron
hot briquetted iron Briquette is a by-product of sponge iron and a raw material for the production of steel ingots, which is made by compressing sponge iron with an oxide shell. The price of briquettes is usually lower than sponge iron.
The two main types of this product are HBI hot briquettes and CBI cold briquettes. This product is actually an alternative to sponge iron, which is used for better handling and lower cost. Of course, the amount of elements and its quality is lower than sponge.
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hot briquettes
Hot briquetted iron (HBI) is obtained from reduced sponge iron with an oxide shell in the baking process and reduced at a temperature above 650 degrees Celsius. The final product is usually in the form of a tube (cylindrical), ball, etc.
In this method, due to the use of high heat during regeneration, some main elements are regenerated in the final product, and as a result, the quality of the final product is slightly lower than that of sponge iron.
Hot briquette analysis
For hot briquette analysis, there are different analyzes depending on the production unit, but the main reported analyzes include the following elements.
element | amount (percentage) |
Fe Total | 80-90 |
Fe Metal | 70-80 |
MD | 70-80 |
C | 1-2.5 |
S | 0.01 |
P | 0.01 |
- HBI hot briquettes are considered as an export product due to the ease of transportation, cost-effectiveness and high quality.
- The producing countries can increase their income generation and economic growth by exporting this product to world markets.
- In addition to the steel industry, it can also be used in non-steel industries. For example, in aluminum production, iron from briquettes is used as a source of iron.
