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Korea Iron & Steel Association Chapter 3●Tour of a steel mill
Look. It glows! Wow, it looks
like lava! The molten iron
in the furnace is incredibly
Iron ore (sintered ore) + coal (coke) + limestone
hot. That’s why it glows.
Hot air
Iron ore (sintered ore), coke, and
limestone are piled layer by layer in the
furnace.
Then, 1,200℃ hot air is blown in.
When the coke that serves as fuel
burns, it generates heat measuring up
to 2,300°C, causing the iron ore to melt.
Molten It may look like simple high heat is used to melt iron. However, the quality of the
iron
steel is determined by the level and mix of fuel and blown heat. Hence, furnace
Device work requires a great deal of skill and knowhow.
for blowing
heated air
Because of the high heat,
silver protective gear is
required for workers (Scorching)
(Scorching)
(Glowing)
(Glowing)
This mill produces
the largest volume
of molten iron
in the world.
Impressive, isn’t
it? Come to think of it,
I hardly see anyone That’s because
working here!
It is! the production
processes are fully
automated and
(Swish)
(Swish) safety of a control
controlled in the
room.
Iron ore becomes molten iron,
(Swish)
(Swish)
which falls to the bottom.
Korea imports steelmaking raw materials, iron ore and coal, from other countries such as Australia, When molten iron flows out of the furnace, the temperature inside the work area rises close to
Tidbit Brazil, Russia, and Canada. Steel mills are built near the seashore to receive these imports Tidbit 300℃. Therefore, workers must wear proper gear to protect them from the heat and follow safety
transported by large ships. rules.
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