The conversion of iron ore to molten iron takes place in the blast furnace.
Blast Furnace
Full Code
MAN0103300
Module Type
3D Model
Description
The blast furnace uses iron ore as the iron-bearing raw materials, coke and pulverised coal as reducing agents and lime or limestone as fluxing agents.
The main objective of blast furnace ironmaking is to produce hot metal with consistent quality for the BOS steelmaking process. Typically, the specification of steel works requires a hot metal with 0.3–0.7% Si, 0.2–0.4% Mn, and 0.06–0.13% P, and a temperature as high as possible (1480–1520 °C at tapping).
A modern large blast furnace has a hearth diameter of 14–15 m, and a height of 35 m with an internal volume of about 4500 m3. One such large blast furnace can produce 10,000 tonnes hot metal per day.
What you will learn
Explain the key components and raw materials involved in the blast furnace ironmaking process, including iron ore, coke, pulverised coal, and fluxing agents such as lime or limestone.
Describe the main objective of blast furnace ironmaking, focusing on the production of hot metal for the BOS steelmaking process with consistent quality.
Module content
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