高炉
Meanings
1
blast furnace
Industrial furnace for smelting iron ore, used in steelmaking.
The blast furnace operates 24 hours a day at the steel mill.
Usage patterns
- 高炉を稼働するto operate a blast furnace
This plant operates the blast furnace around the clock.
- 高炉で〈物〉を溶かすto melt something in a blast furnace
Iron ore is melted in the blast furnace to produce iron.