Pellet production covers the key steps of raw material preparation, pellet forming, drying, and calcination. Raw material preparation includes the mixing of ore powder and binders, followed by forming small spheres through a pelletizer. These pellets are first dried and then calcined at high temperatures to harden and consolidate them. The unit processes involved include energy usage (especially fuel consumption for pellet calcination), auxiliary material usage, and waste treatment along with pollutant emissions.

Pellet is an iron ore product, mainly used for blast furnace steelmaking. It is made into hard spherical particles through pelletizing, drying, and sintering of iron ore powder and binders. Pellets have high iron content, uniform chemical composition, and good reducibility, making them ideal raw materials for steelmaking. Its highly uniform size and shape help the permeability and thermal efficiency of the material layer inside the blast furnace, thereby improving the efficiency of steelmaking and reducing production costs.